diff --git a/.profile b/.profile index 4fd34a7..75ea98d 100644 --- a/.profile +++ b/.profile @@ -1,3 +1,5 @@ export PS1='\e[1m\e[31m[\h] \e[32m($(docker-prompt)) \e[34m\u@$(hostname -i)\e[35m \w\e[0m\n$ ' alias vi='vim' +export PATH=$PATH:/root/go/bin cat /etc/motd +echo $BASHPID > /var/run/cwd diff --git a/Dockerfile b/Dockerfile index 7e75229..5f06e3f 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,9 +1,5 @@ FROM golang:1.8 -# Copy the runtime dockerfile into the context as Dockerfile -COPY Dockerfile.run /go/bin/Dockerfile -COPY ./www /go/bin/www - COPY . /go/src/github.com/play-with-docker/play-with-docker WORKDIR /go/src/github.com/play-with-docker/play-with-docker diff --git a/Dockerfile.dind b/Dockerfile.dind index 2b7378f..4c58bc3 100644 --- a/Dockerfile.dind +++ b/Dockerfile.dind @@ -1,8 +1,18 @@ -ARG VERSION=docker:17.05.0-ce-dind +ARG VERSION=docker:17.06.0-ce-dind FROM ${VERSION} -RUN apk add --no-cache git tmux py2-pip apache2-utils vim build-base gettext-dev curl bash-completion bash util-linux jq openssh +RUN apk add --no-cache git tmux py2-pip apache2-utils vim build-base gettext-dev curl bash-completion bash util-linux jq openssh qemu-img qemu-system-x86_64 +ENV GOPATH /root/go +ENV PATH $PATH:$GOPATH + +# Use specific moby commit due to vendoring mismatch +ENV MOBY_COMMIT="a73c3d3667f32fd61febcd2e824aa0341a57bafd" + +RUN mkdir /root/go && apk add --no-cache go \ + && go get -u -d github.com/moby/tool/cmd/moby && (cd $GOPATH/src/github.com/moby/tool/cmd/moby && git checkout $MOBY_COMMIT && go install) \ + && go get -u github.com/linuxkit/linuxkit/src/cmd/linuxkit \ + && rm -rf /root/go/pkg && rm -rf /root/go/src && rm -rf /usr/lib/go # Compile and install httping # (used in orchestration workshop, and very useful anyway) diff --git a/Dockerfile.run b/Dockerfile.run deleted file mode 100644 index bc5db60..0000000 --- a/Dockerfile.run +++ /dev/null @@ -1,12 +0,0 @@ -FROM alpine - -RUN apk --update add ca-certificates -RUN mkdir -p /app/pwd - -ADD play-with-docker /app/play-with-docker -COPY ./www /app/www - -WORKDIR /app -CMD ["./play-with-docker"] - -EXPOSE 3000 diff --git a/config/config.go b/config/config.go index d16ce65..b165620 100644 --- a/config/config.go +++ b/config/config.go @@ -20,7 +20,7 @@ const ( var NameFilter = regexp.MustCompile(PWDHostPortGroupRegex) var AliasFilter = regexp.MustCompile(AliasPortGroupRegex) -var SSLPortNumber, PortNumber, Key, Cert, SessionsFile, PWDContainerName, PWDCName, HashKey +var SSLPortNumber, PortNumber, Key, Cert, SessionsFile, PWDContainerName, PWDCName, HashKey string var MaxLoadAvg float64 func ParseFlags() { diff --git a/handlers/file_upload.go b/handlers/file_upload.go index f261d9e..dda880b 100644 --- a/handlers/file_upload.go +++ b/handlers/file_upload.go @@ -4,6 +4,7 @@ import ( "io" "log" "net/http" + "path/filepath" "github.com/gorilla/mux" ) @@ -20,7 +21,10 @@ func FileUpload(rw http.ResponseWriter, req *http.Request) { // has a url query parameter, ignore body if url := req.URL.Query().Get("url"); url != "" { - err := core.InstanceUploadFromUrl(i, req.URL.Query().Get("url")) + + _, fileName := filepath.Split(url) + + err := core.InstanceUploadFromUrl(i, fileName, "", req.URL.Query().Get("url")) if err != nil { log.Println(err) rw.WriteHeader(http.StatusInternalServerError) @@ -35,6 +39,8 @@ func FileUpload(rw http.ResponseWriter, req *http.Request) { rw.WriteHeader(http.StatusBadRequest) return } + path := req.URL.Query().Get("path") + for { p, err := red.NextPart() if err == io.EOF { @@ -48,12 +54,13 @@ func FileUpload(rw http.ResponseWriter, req *http.Request) { if p.FileName() == "" { continue } - err = core.InstanceUploadFromReader(i, p.FileName(), p) + err = core.InstanceUploadFromReader(i, p.FileName(), path, p) if err != nil { log.Println(err) rw.WriteHeader(http.StatusInternalServerError) return } + log.Printf("Uploaded [%s] to [%s]\n", p.FileName(), i.Name) } rw.WriteHeader(http.StatusOK) diff --git a/motd b/motd index 54aee9c..2c1701b 100644 --- a/motd +++ b/motd @@ -1,7 +1,7 @@ ############################################################### # WARNING!!!! # # This is a sandbox environment. Using personal credentials # -# is HIGHLY! discouraged. Any consequences of doing so, are # +# is HIGHLY! discouraged. Any consequences of doing so are # # completely the user's responsibilites. # # # # The PWD team. # diff --git a/pwd/instance.go b/pwd/instance.go index a217c13..a024c0b 100644 --- a/pwd/instance.go +++ b/pwd/instance.go @@ -1,6 +1,7 @@ package pwd import ( + "bytes" "fmt" "io" "log" @@ -66,10 +67,11 @@ func (p *pwd) InstanceAttachTerminal(instance *types.Instance) error { terms[instance.SessionId][instance.Name] = conn } io.Copy(encoder.Writer(sw), conn) + return nil } -func (p *pwd) InstanceUploadFromUrl(instance *types.Instance, url string) error { +func (p *pwd) InstanceUploadFromUrl(instance *types.Instance, fileName, dest string, url string) error { defer observeAction("InstanceUploadFromUrl", time.Now()) log.Printf("Downloading file [%s]\n", url) resp, err := http.Get(url) @@ -81,9 +83,7 @@ func (p *pwd) InstanceUploadFromUrl(instance *types.Instance, url string) error return fmt.Errorf("Could not download file [%s]. Status code: %d\n", url, resp.StatusCode) } - _, fileName := filepath.Split(url) - - copyErr := p.docker.CopyToContainer(instance.Name, "/var/run/pwd/uploads", fileName, resp.Body) + copyErr := p.docker.CopyToContainer(instance.Name, dest, fileName, resp.Body) if copyErr != nil { return fmt.Errorf("Error while downloading file [%s]. Error: %s\n", url, copyErr) @@ -92,10 +92,36 @@ func (p *pwd) InstanceUploadFromUrl(instance *types.Instance, url string) error return nil } -func (p *pwd) InstanceUploadFromReader(instance *types.Instance, fileName string, reader io.Reader) error { +func (p *pwd) getInstanceCWD(instance *types.Instance) (string, error) { + b := bytes.NewBufferString("") + + if c, err := p.docker.ExecAttach(instance.Name, []string{"bash", "-c", `pwdx $( 0 { + log.Println(b.String()) + return "", fmt.Errorf("Error %d trying to get CWD", c) + } else if err != nil { + return "", err + } + + cwd := strings.TrimSpace(strings.Split(b.String(), ":")[1]) + + return cwd, nil +} + +func (p *pwd) InstanceUploadFromReader(instance *types.Instance, fileName, dest string, reader io.Reader) error { defer observeAction("InstanceUploadFromReader", time.Now()) - copyErr := p.docker.CopyToContainer(instance.Name, "/var/run/pwd/uploads", fileName, reader) + var finalDest string + if filepath.IsAbs(dest) { + finalDest = dest + } else { + if cwd, err := p.getInstanceCWD(instance); err != nil { + return err + } else { + finalDest = fmt.Sprintf("%s/%s", cwd, dest) + } + } + + copyErr := p.docker.CopyToContainer(instance.Name, finalDest, fileName, reader) if copyErr != nil { return fmt.Errorf("Error while uploading file [%s]. Error: %s\n", fileName, copyErr) diff --git a/pwd/pwd.go b/pwd/pwd.go index f2fe9ac..1d5782f 100644 --- a/pwd/pwd.go +++ b/pwd/pwd.go @@ -61,8 +61,8 @@ type PWDApi interface { InstanceNew(session *types.Session, conf InstanceConfig) (*types.Instance, error) InstanceResizeTerminal(instance *types.Instance, cols, rows uint) error InstanceAttachTerminal(instance *types.Instance) error - InstanceUploadFromUrl(instance *types.Instance, url string) error - InstanceUploadFromReader(instance *types.Instance, filename string, reader io.Reader) error + InstanceUploadFromUrl(instance *types.Instance, fileName, dest, url string) error + InstanceUploadFromReader(instance *types.Instance, fileName, dest string, reader io.Reader) error InstanceGet(session *types.Session, name string) *types.Instance // TODO remove this function when we add the session prefix to the PWD url InstanceFindByIP(ip string) *types.Instance diff --git a/pwd/session.go b/pwd/session.go index ff03349..9dd26a2 100644 --- a/pwd/session.go +++ b/pwd/session.go @@ -5,6 +5,7 @@ import ( "log" "math" "path" + "path/filepath" "strings" "sync" "time" @@ -154,13 +155,15 @@ func (p *pwd) SessionDeployStack(s *types.Session) error { log.Printf("Error creating instance for stack [%s]: %s\n", s.Stack, err) return err } - err = p.InstanceUploadFromUrl(i, s.Stack) + + _, fileName := filepath.Split(s.Stack) + err = p.InstanceUploadFromUrl(i, fileName, "/var/run/pwd/uploads", s.Stack) if err != nil { log.Printf("Error uploading stack file [%s]: %s\n", s.Stack, err) return err } - fileName := path.Base(s.Stack) + fileName = path.Base(s.Stack) file := fmt.Sprintf("/var/run/pwd/uploads/%s", fileName) cmd := fmt.Sprintf("docker swarm init --advertise-addr eth0 && docker-compose -f %s pull && docker stack deploy -c %s %s", file, file, s.StackName) diff --git a/www/assets/app.js b/www/assets/app.js index 75d735b..c04d774 100644 --- a/www/assets/app.js +++ b/www/assets/app.js @@ -1,7 +1,7 @@ (function() { 'use strict'; - var app = angular.module('DockerPlay', ['ngMaterial']); + var app = angular.module('DockerPlay', ['ngMaterial', 'ngFileUpload']); // Automatically redirects user to a new session when bypassing captcha. // Controller keeps code/logic separate from the HTML @@ -19,7 +19,7 @@ } } - app.controller('PlayController', ['$scope', '$log', '$http', '$location', '$timeout', '$mdDialog', '$window', 'TerminalService', 'KeyboardShortcutService', 'InstanceService', 'SessionService', function($scope, $log, $http, $location, $timeout, $mdDialog, $window, TerminalService, KeyboardShortcutService, InstanceService, SessionService) { + app.controller('PlayController', ['$scope', '$log', '$http', '$location', '$timeout', '$mdDialog', '$window', 'TerminalService', 'KeyboardShortcutService', 'InstanceService', 'SessionService', 'Upload', function($scope, $log, $http, $location, $timeout, $mdDialog, $window, TerminalService, KeyboardShortcutService, InstanceService, SessionService, Upload) { $scope.sessionId = SessionService.getCurrentSessionId(); $scope.instances = []; $scope.idx = {}; @@ -31,6 +31,30 @@ $scope.newInstanceBtnText = '+ Add new instance'; $scope.deleteInstanceBtnText = 'Delete'; $scope.isInstanceBeingDeleted = false; + $scope.uploadProgress = 0; + + + $scope.uploadFiles = function (files, invalidFiles) { + let total = files.length; + let uploadFile = function() { + let file = files.shift(); + if (!file){ + $scope.uploadMessage = ""; + $scope.uploadProgress = 0; + return + } + $scope.uploadMessage = "Uploading file(s) " + (total - files.length) + "/"+ total + " : " + file.name; + let upload = Upload.upload({url: '/sessions/' + $scope.sessionId + '/instances/' + $scope.selectedInstance.name + '/uploads', data: {file: file}, method: 'POST'}) + .then(function(){}, function(){}, function(evt) { + $scope.uploadProgress = parseInt(100.0 * evt.loaded / evt.total); + }); + + // process next file + upload.finally(uploadFile); + } + + uploadFile(); + } var selectedKeyboardShortcuts = KeyboardShortcutService.getCurrentShortcuts(); @@ -105,7 +129,7 @@ if (!state) { $mdDialog.show({ - controller: SessionBuilderModalController, + onComplete: function(){SessionBuilderModalController($mdDialog, $scope)}, contentElement: '#builderDialog', parent: angular.element(document.body), clickOutsideToClose: false, @@ -273,11 +297,6 @@ $scope.createBuilderTerminal = function() { var builderTerminalContainer = document.getElementById('builder-terminal'); - // For some reason the dialog DOM might not be ready, so we just keep trying - if (!builderTerminalContainer) { - setTimeout($scope.createBuilderTerminal, 100); - return; - } let term = new Terminal({ cursorBlink: false }); diff --git a/www/assets/full_horizontal.svg b/www/assets/full_horizontal.svg new file mode 100644 index 0000000..d220140 --- /dev/null +++ b/www/assets/full_horizontal.svg @@ -0,0 +1,72 @@ + + + + full_horizontal + Created with Sketch. + + background + + + + Layer 1 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/www/assets/large_h.png b/www/assets/large_h.png deleted file mode 100644 index eddd2b6..0000000 Binary files a/www/assets/large_h.png and /dev/null differ diff --git a/www/assets/style.css b/www/assets/style.css index 0d429f0..d676c89 100644 --- a/www/assets/style.css +++ b/www/assets/style.css @@ -35,6 +35,29 @@ md-card-content.terminal-container { margin-top: 50px; } +.uploadStatus .bottom-block { + display: block; + position: relative; + background-color: rgba(255, 235, 169, 0.25); + height: 30px; + width: 100%; +} + +.uploadStatus .bottom-block > span { + display: inline-block; + padding: 8px; + font-size: 0.9em; +} + +.uploadStatus { + display: block; + position: relative; + width: 100%; + border: 2px solid #aad1f9; + transition: opacity 0.1s linear; + border-top: 0px; +} + .disconnected { background-color: #FDF4B6; } @@ -62,3 +85,7 @@ md-input-container .md-errors-spacer { .md-mini { min-width: 24px; } + +.dragover { + opacity: 0.5; +} diff --git a/www/assets/xterm.css b/www/assets/xterm.css index 4877f86..6d6f48f 100644 --- a/www/assets/xterm.css +++ b/www/assets/xterm.css @@ -41,6 +41,9 @@ font-family: courier-new, courier, monospace; font-feature-settings: "liga" 0; position: relative; + user-select: none; + -ms-user-select: none; + -webkit-user-select: none; } .terminal.focus, @@ -71,7 +74,22 @@ resize: none; } -.terminal .terminal-cursor { +.terminal a { + color: inherit; + text-decoration: none; +} + +.terminal a:hover { + cursor: pointer; + text-decoration: underline; +} + +.terminal a.xterm-invalid-link:hover { + cursor: text; + text-decoration: none; +} + +.terminal.focus:not(.xterm-cursor-style-underline):not(.xterm-cursor-style-bar) .terminal-cursor { background-color: #fff; color: #000; } @@ -82,19 +100,41 @@ background-color: transparent; } -.terminal.focus .terminal-cursor.blinking { - animation: blink-cursor 1.2s infinite step-end; +.terminal:not(.xterm-cursor-style-underline):not(.xterm-cursor-style-bar).focus.xterm-cursor-blink-on .terminal-cursor { + background-color: transparent; + color: inherit; } -@keyframes blink-cursor { - 0% { - background-color: #fff; - color: #000; - } - 50% { - background-color: transparent; - color: #FFF; - } +.terminal.xterm-cursor-style-bar .terminal-cursor, +.terminal.xterm-cursor-style-underline .terminal-cursor { + position: relative; +} +.terminal.xterm-cursor-style-bar .terminal-cursor::before, +.terminal.xterm-cursor-style-underline .terminal-cursor::before { + content: ""; + display: block; + position: absolute; + background-color: #fff; +} +.terminal.xterm-cursor-style-bar .terminal-cursor::before { + top: 0; + bottom: 0; + left: 0; + width: 1px; +} +.terminal.xterm-cursor-style-underline .terminal-cursor::before { + bottom: 0; + left: 0; + right: 0; + height: 1px; +} +.terminal.xterm-cursor-style-bar.focus.xterm-cursor-blink.xterm-cursor-blink-on .terminal-cursor::before, +.terminal.xterm-cursor-style-underline.focus.xterm-cursor-blink.xterm-cursor-blink-on .terminal-cursor::before { + background-color: transparent; +} +.terminal.xterm-cursor-style-bar.focus.xterm-cursor-blink .terminal-cursor::before, +.terminal.xterm-cursor-style-underline.focus.xterm-cursor-blink .terminal-cursor::before { + background-color: #fff; } .terminal .composition-view { @@ -116,6 +156,11 @@ overflow-y: scroll; } +.terminal .xterm-wide-char, +.terminal .xterm-normal-char { + display: inline-block; +} + .terminal .xterm-rows { position: absolute; left: 0; @@ -138,6 +183,25 @@ left: -9999em; } +.terminal.enable-mouse-events { + /* When mouse events are enabled (eg. tmux), revert to the standard pointer cursor */ + cursor: default; +} + +.terminal .xterm-selection { + position: absolute; + top: 0; + left: 0; + z-index: 1; + opacity: 0.3; + pointer-events: none; +} + +.terminal .xterm-selection div { + position: absolute; + background-color: #fff; +} + /* * Determine default colors for xterm.js */ diff --git a/www/assets/xterm.js b/www/assets/xterm.js index f44b6e1..357939c 100644 --- a/www/assets/xterm.js +++ b/www/assets/xterm.js @@ -1,4894 +1,9 @@ (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Terminal = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o 0) { - self.terminal.handler(diff); - } - } - }, 0); - }; - /** - * Positions the composition view on top of the cursor and the textarea just below it (so the - * IME helper dialog is positioned correctly). - * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is - * necessary as the IME events across browsers are not consistently triggered. - */ - CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) { - if (!this.isComposing) { - return; - } - var cursor = this.terminal.element.querySelector('.terminal-cursor'); - if (cursor) { - // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within - // the .xterm element. - var xtermRows = this.terminal.element.querySelector('.xterm-rows'); - var cursorTop = xtermRows.offsetTop + cursor.offsetTop; - this.compositionView.style.left = cursor.offsetLeft + 'px'; - this.compositionView.style.top = cursorTop + 'px'; - this.compositionView.style.height = cursor.offsetHeight + 'px'; - this.compositionView.style.lineHeight = cursor.offsetHeight + 'px'; - // Sync the textarea to the exact position of the composition view so the IME knows where the - // text is. - var compositionViewBounds = this.compositionView.getBoundingClientRect(); - this.textarea.style.left = cursor.offsetLeft + 'px'; - this.textarea.style.top = cursorTop + 'px'; - this.textarea.style.width = compositionViewBounds.width + 'px'; - this.textarea.style.height = compositionViewBounds.height + 'px'; - this.textarea.style.lineHeight = compositionViewBounds.height + 'px'; - } - if (!dontRecurse) { - setTimeout(this.updateCompositionElements.bind(this, true), 0); - } - }; - ; - /** - * Clears the textarea's position so that the cursor does not blink on IE. - * @private - */ - CompositionHelper.prototype.clearTextareaPosition = function () { - this.textarea.style.left = ''; - this.textarea.style.top = ''; - }; - ; - return CompositionHelper; -}()); -exports.CompositionHelper = CompositionHelper; - -},{}],2:[function(require,module,exports){ -/** - * @license MIT - */ -"use strict"; -function EventEmitter() { - this._events = this._events || {}; -} -exports.EventEmitter = EventEmitter; -EventEmitter.prototype.addListener = function (type, listener) { - this._events[type] = this._events[type] || []; - this._events[type].push(listener); -}; -EventEmitter.prototype.on = EventEmitter.prototype.addListener; -EventEmitter.prototype.removeListener = function (type, listener) { - if (!this._events[type]) - return; - var obj = this._events[type], i = obj.length; - while (i--) { - if (obj[i] === listener || obj[i].listener === listener) { - obj.splice(i, 1); - return; - } - } -}; -EventEmitter.prototype.off = EventEmitter.prototype.removeListener; -EventEmitter.prototype.removeAllListeners = function (type) { - if (this._events[type]) - delete this._events[type]; -}; -EventEmitter.prototype.once = function (type, listener) { - var self = this; - function on() { - var args = Array.prototype.slice.call(arguments); - this.removeListener(type, on); - return listener.apply(this, args); - } - on.listener = listener; - return this.on(type, on); -}; -EventEmitter.prototype.emit = function (type) { - if (!this._events[type]) - return; - var args = Array.prototype.slice.call(arguments, 1), obj = this._events[type], l = obj.length, i = 0; - for (; i < l; i++) { - obj[i].apply(this, args); - } -}; -EventEmitter.prototype.listeners = function (type) { - return this._events[type] = this._events[type] || []; -}; - -},{}],3:[function(require,module,exports){ -/** - * @license MIT - */ -"use strict"; -/** - * Represents the viewport of a terminal, the visible area within the larger buffer of output. - * Logic for the virtual scroll bar is included in this object. - */ -var Viewport = (function () { - /** - * Creates a new Viewport. - * @param terminal The terminal this viewport belongs to. - * @param viewportElement The DOM element acting as the viewport. - * @param scrollArea The DOM element acting as the scroll area. - * @param charMeasureElement A DOM element used to measure the character size of. the terminal. - */ - function Viewport(terminal, viewportElement, scrollArea, charMeasureElement) { - this.terminal = terminal; - this.viewportElement = viewportElement; - this.scrollArea = scrollArea; - this.charMeasureElement = charMeasureElement; - this.currentRowHeight = 0; - this.lastRecordedBufferLength = 0; - this.lastRecordedViewportHeight = 0; - this.terminal.on('scroll', this.syncScrollArea.bind(this)); - this.terminal.on('resize', this.syncScrollArea.bind(this)); - this.viewportElement.addEventListener('scroll', this.onScroll.bind(this)); - this.syncScrollArea(); - } - /** - * Refreshes row height, setting line-height, viewport height and scroll area height if - * necessary. - * @param charSize A character size measurement bounding rect object, if it doesn't exist it will - * be created. - */ - Viewport.prototype.refresh = function (charSize) { - var size = charSize || this.charMeasureElement.getBoundingClientRect(); - if (size.height > 0) { - var rowHeightChanged = size.height !== this.currentRowHeight; - if (rowHeightChanged) { - this.currentRowHeight = size.height; - this.viewportElement.style.lineHeight = size.height + 'px'; - this.terminal.rowContainer.style.lineHeight = size.height + 'px'; - } - var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows; - if (rowHeightChanged || viewportHeightChanged) { - this.lastRecordedViewportHeight = this.terminal.rows; - this.viewportElement.style.height = size.height * this.terminal.rows + 'px'; - } - this.scrollArea.style.height = (size.height * this.lastRecordedBufferLength) + 'px'; - } - }; - /** - * Updates dimensions and synchronizes the scroll area if necessary. - */ - Viewport.prototype.syncScrollArea = function () { - if (this.lastRecordedBufferLength !== this.terminal.lines.length) { - // If buffer height changed - this.lastRecordedBufferLength = this.terminal.lines.length; - this.refresh(); - } - else if (this.lastRecordedViewportHeight !== this.terminal.rows) { - // If viewport height changed - this.refresh(); - } - else { - // If size has changed, refresh viewport - var size = this.charMeasureElement.getBoundingClientRect(); - if (size.height !== this.currentRowHeight) { - this.refresh(size); - } - } - // Sync scrollTop - var scrollTop = this.terminal.ydisp * this.currentRowHeight; - if (this.viewportElement.scrollTop !== scrollTop) { - this.viewportElement.scrollTop = scrollTop; - } - }; - /** - * Handles scroll events on the viewport, calculating the new viewport and requesting the - * terminal to scroll to it. - * @param ev The scroll event. - */ - Viewport.prototype.onScroll = function (ev) { - var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight); - var diff = newRow - this.terminal.ydisp; - this.terminal.scrollDisp(diff, true); - }; - /** - * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual - * scrolling to `onScroll`, this event needs to be attached manually by the consumer of - * `Viewport`. - * @param ev The mouse wheel event. - */ - Viewport.prototype.onWheel = function (ev) { - if (ev.deltaY === 0) { - // Do nothing if it's not a vertical scroll event - return; - } - // Fallback to WheelEvent.DOM_DELTA_PIXEL - var multiplier = 1; - if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) { - multiplier = this.currentRowHeight; - } - else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) { - multiplier = this.currentRowHeight * this.terminal.rows; - } - this.viewportElement.scrollTop += ev.deltaY * multiplier; - // Prevent the page from scrolling when the terminal scrolls - ev.preventDefault(); - }; - ; - return Viewport; -}()); -exports.Viewport = Viewport; - -},{}],4:[function(require,module,exports){ -/** - * Clipboard handler module: exports methods for handling all clipboard-related events in the - * terminal. - * @module xterm/handlers/Clipboard - * @license MIT - */ -"use strict"; -/** - * Prepares text copied from terminal selection, to be saved in the clipboard by: - * 1. stripping all trailing white spaces - * 2. converting all non-breaking spaces to regular spaces - * @param {string} text The copied text that needs processing for storing in clipboard - * @returns {string} - */ -function prepareTextForClipboard(text) { - var space = String.fromCharCode(32), nonBreakingSpace = String.fromCharCode(160), allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'), processedText = text.split('\n').map(function (line) { - // Strip all trailing white spaces and convert all non-breaking spaces - // to regular spaces. - var processedLine = line.replace(/\s+$/g, '').replace(allNonBreakingSpaces, space); - return processedLine; - }).join('\n'); - return processedText; -} -exports.prepareTextForClipboard = prepareTextForClipboard; -/** - * Binds copy functionality to the given terminal. - * @param {ClipboardEvent} ev The original copy event to be handled - */ -function copyHandler(ev, term) { - // We cast `window` to `any` type, because TypeScript has not declared the `clipboardData` - // property that we use below for Internet Explorer. - var copiedText = window.getSelection().toString(), text = prepareTextForClipboard(copiedText); - if (term.browser.isMSIE) { - window.clipboardData.setData('Text', text); - } - else { - ev.clipboardData.setData('text/plain', text); - } - ev.preventDefault(); // Prevent or the original text will be copied. -} -exports.copyHandler = copyHandler; -/** - * Redirect the clipboard's data to the terminal's input handler. - * @param {ClipboardEvent} ev The original paste event to be handled - * @param {Terminal} term The terminal on which to apply the handled paste event - */ -function pasteHandler(ev, term) { - ev.stopPropagation(); - var text; - var dispatchPaste = function (text) { - term.handler(text); - term.textarea.value = ''; - return term.cancel(ev); - }; - if (term.browser.isMSIE) { - if (window.clipboardData) { - text = window.clipboardData.getData('Text'); - dispatchPaste(text); - } - } - else { - if (ev.clipboardData) { - text = ev.clipboardData.getData('text/plain'); - dispatchPaste(text); - } - } -} -exports.pasteHandler = pasteHandler; -/** - * Bind to right-click event and allow right-click copy and paste. - * - * **Logic** - * If text is selected and right-click happens on selected text, then - * do nothing to allow seamless copying. - * If no text is selected or right-click is outside of the selection - * area, then bring the terminal's input below the cursor, in order to - * trigger the event on the textarea and allow-right click paste, without - * caring about disappearing selection. - * @param {MouseEvent} ev The original right click event to be handled - * @param {Terminal} term The terminal on which to apply the handled paste event - */ -function rightClickHandler(ev, term) { - var s = document.getSelection(), selectedText = prepareTextForClipboard(s.toString()), clickIsOnSelection = false, x = ev.clientX, y = ev.clientY; - if (s.rangeCount) { - var r = s.getRangeAt(0), cr = r.getClientRects(); - for (var i = 0; i < cr.length; i++) { - var rect = cr[i]; - clickIsOnSelection = ((x > rect.left) && (x < rect.right) && - (y > rect.top) && (y < rect.bottom)); - if (clickIsOnSelection) { - break; - } - } - // If we clicked on selection and selection is not a single space, - // then mark the right click as copy-only. We check for the single - // space selection, as this can happen when clicking on an   - // and there is not much pointing in copying a single space. - if (selectedText.match(/^\s$/) || !selectedText.length) { - clickIsOnSelection = false; - } - } - // Bring textarea at the cursor position - if (!clickIsOnSelection) { - term.textarea.style.position = 'fixed'; - term.textarea.style.width = '20px'; - term.textarea.style.height = '20px'; - term.textarea.style.left = (x - 10) + 'px'; - term.textarea.style.top = (y - 10) + 'px'; - term.textarea.style.zIndex = '1000'; - term.textarea.focus(); - // Reset the terminal textarea's styling - setTimeout(function () { - term.textarea.style.position = null; - term.textarea.style.width = null; - term.textarea.style.height = null; - term.textarea.style.left = null; - term.textarea.style.top = null; - term.textarea.style.zIndex = null; - }, 4); - } -} -exports.rightClickHandler = rightClickHandler; - -},{}],5:[function(require,module,exports){ -/** - * Attributes and methods to help with identifying the current browser and platform. - * @module xterm/utils/Browser - * @license MIT - */ -"use strict"; -var Generic_js_1 = require('./Generic.js'); -var isNode = (typeof navigator == 'undefined') ? true : false; -var userAgent = (isNode) ? 'node' : navigator.userAgent; -var platform = (isNode) ? 'node' : navigator.platform; -exports.isFirefox = !!~userAgent.indexOf('Firefox'); -exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident'); -// Find the users platform. We use this to interpret the meta key -// and ISO third level shifts. -// http://stackoverflow.com/q/19877924/577598 -exports.isMac = Generic_js_1.contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform); -exports.isIpad = platform === 'iPad'; -exports.isIphone = platform === 'iPhone'; -exports.isMSWindows = Generic_js_1.contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform); - -},{"./Generic.js":6}],6:[function(require,module,exports){ -/** - * Generic utilities module with methods that can be helpful at different parts of the code base. - * @module xterm/utils/Generic - * @license MIT - */ -"use strict"; -/** - * Return if the given array contains the given element - * @param {Array} array The array to search for the given element. - * @param {Object} el The element to look for into the array - */ -exports.contains = function (arr, el) { - return arr.indexOf(el) >= 0; -}; - -},{}],7:[function(require,module,exports){ -/** - * xterm.js: xterm, in the browser - * Originally forked from (with the author's permission): - * Fabrice Bellard's javascript vt100 for jslinux: - * http://bellard.org/jslinux/ - * Copyright (c) 2011 Fabrice Bellard - * The original design remains. The terminal itself - * has been extended to include xterm CSI codes, among - * other features. - * @license MIT - */ -"use strict"; -var CompositionHelper_js_1 = require('./CompositionHelper.js'); -var EventEmitter_js_1 = require('./EventEmitter.js'); -var Viewport_js_1 = require('./Viewport.js'); -var Clipboard_js_1 = require('./handlers/Clipboard.js'); -var Browser = require('./utils/Browser'); -/** - * Terminal Emulation References: - * http://vt100.net/ - * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt - * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html - * http://invisible-island.net/vttest/ - * http://www.inwap.com/pdp10/ansicode.txt - * http://linux.die.net/man/4/console_codes - * http://linux.die.net/man/7/urxvt - */ -// Let it work inside Node.js for automated testing purposes. -var document = (typeof window != 'undefined') ? window.document : null; -/** - * States - */ -var normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6; -/** - * Terminal - */ -/** - * Creates a new `Terminal` object. - * - * @param {object} options An object containing a set of options, the available options are: - * - `cursorBlink` (boolean): Whether the terminal cursor blinks - * - `cols` (number): The number of columns of the terminal (horizontal size) - * - `rows` (number): The number of rows of the terminal (vertical size) - * - * @public - * @class Xterm Xterm - * @alias module:xterm/src/xterm - */ -function Terminal(options) { - var self = this; - if (!(this instanceof Terminal)) { - return new Terminal(arguments[0], arguments[1], arguments[2]); - } - self.browser = Browser; - self.cancel = Terminal.cancel; - EventEmitter_js_1.EventEmitter.call(this); - if (typeof options === 'number') { - options = { - cols: arguments[0], - rows: arguments[1], - handler: arguments[2] - }; - } - options = options || {}; - Object.keys(Terminal.defaults).forEach(function (key) { - if (options[key] == null) { - options[key] = Terminal.options[key]; - if (Terminal[key] !== Terminal.defaults[key]) { - options[key] = Terminal[key]; - } - } - self[key] = options[key]; - }); - if (options.colors.length === 8) { - options.colors = options.colors.concat(Terminal._colors.slice(8)); - } - else if (options.colors.length === 16) { - options.colors = options.colors.concat(Terminal._colors.slice(16)); - } - else if (options.colors.length === 10) { - options.colors = options.colors.slice(0, -2).concat(Terminal._colors.slice(8, -2), options.colors.slice(-2)); - } - else if (options.colors.length === 18) { - options.colors = options.colors.concat(Terminal._colors.slice(16, -2), options.colors.slice(-2)); - } - this.colors = options.colors; - this.options = options; - // this.context = options.context || window; - // this.document = options.document || document; - this.parent = options.body || options.parent || (document ? document.getElementsByTagName('body')[0] : null); - this.cols = options.cols || options.geometry[0]; - this.rows = options.rows || options.geometry[1]; - this.geometry = [this.cols, this.rows]; - if (options.handler) { - this.on('data', options.handler); - } - /** - * The scroll position of the y cursor, ie. ybase + y = the y position within the entire - * buffer - */ - this.ybase = 0; - /** - * The scroll position of the viewport - */ - this.ydisp = 0; - /** - * The cursor's x position after ybase - */ - this.x = 0; - /** - * The cursor's y position after ybase - */ - this.y = 0; - /** - * Used to debounce the refresh function - */ - this.isRefreshing = false; - /** - * Whether there is a full terminal refresh queued - */ - this.cursorState = 0; - this.cursorHidden = false; - this.convertEol; - this.state = 0; - this.queue = ''; - this.scrollTop = 0; - this.scrollBottom = this.rows - 1; - this.customKeydownHandler = null; - // modes - this.applicationKeypad = false; - this.applicationCursor = false; - this.originMode = false; - this.insertMode = false; - this.wraparoundMode = true; // defaults: xterm - true, vt100 - false - this.normal = null; - // charset - this.charset = null; - this.gcharset = null; - this.glevel = 0; - this.charsets = [null]; - // mouse properties - this.decLocator; - this.x10Mouse; - this.vt200Mouse; - this.vt300Mouse; - this.normalMouse; - this.mouseEvents; - this.sendFocus; - this.utfMouse; - this.sgrMouse; - this.urxvtMouse; - // misc - this.element; - this.children; - this.refreshStart; - this.refreshEnd; - this.savedX; - this.savedY; - this.savedCols; - // stream - this.readable = true; - this.writable = true; - this.defAttr = (0 << 18) | (257 << 9) | (256 << 0); - this.curAttr = this.defAttr; - this.params = []; - this.currentParam = 0; - this.prefix = ''; - this.postfix = ''; - // leftover surrogate high from previous write invocation - this.surrogate_high = ''; - /** - * An array of all lines in the entire buffer, including the prompt. The lines are array of - * characters which are 2-length arrays where [0] is an attribute and [1] is the character. - */ - this.lines = []; - var i = this.rows; - while (i--) { - this.lines.push(this.blankLine()); - } - this.tabs; - this.setupStops(); - // Store if user went browsing history in scrollback - this.userScrolling = false; -} -inherits(Terminal, EventEmitter_js_1.EventEmitter); -/** - * back_color_erase feature for xterm. - */ -Terminal.prototype.eraseAttr = function () { - // if (this.is('screen')) return this.defAttr; - return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff); -}; -/** - * Colors - */ -// Colors 0-15 -Terminal.tangoColors = [ - // dark: - '#2e3436', - '#cc0000', - '#4e9a06', - '#c4a000', - '#3465a4', - '#75507b', - '#06989a', - '#d3d7cf', - // bright: - '#555753', - '#ef2929', - '#8ae234', - '#fce94f', - '#729fcf', - '#ad7fa8', - '#34e2e2', - '#eeeeec' -]; -// Colors 0-15 + 16-255 -// Much thanks to TooTallNate for writing this. -Terminal.colors = (function () { - var colors = Terminal.tangoColors.slice(), r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff], i; - // 16-231 - i = 0; - for (; i < 216; i++) { - out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]); - } - // 232-255 (grey) - i = 0; - for (; i < 24; i++) { - r = 8 + i * 10; - out(r, r, r); - } - function out(r, g, b) { - colors.push('#' + hex(r) + hex(g) + hex(b)); - } - function hex(c) { - c = c.toString(16); - return c.length < 2 ? '0' + c : c; - } - return colors; -})(); -Terminal._colors = Terminal.colors.slice(); -Terminal.vcolors = (function () { - var out = [], colors = Terminal.colors, i = 0, color; - for (; i < 256; i++) { - color = parseInt(colors[i].substring(1), 16); - out.push([ - (color >> 16) & 0xff, - (color >> 8) & 0xff, - color & 0xff - ]); - } - return out; -})(); -/** - * Options - */ -Terminal.defaults = { - colors: Terminal.colors, - theme: 'default', - convertEol: false, - termName: 'xterm', - geometry: [80, 24], - cursorBlink: false, - visualBell: false, - popOnBell: false, - scrollback: 1000, - screenKeys: false, - debug: false, - cancelEvents: false -}; -Terminal.options = {}; -Terminal.focus = null; -each(keys(Terminal.defaults), function (key) { - Terminal[key] = Terminal.defaults[key]; - Terminal.options[key] = Terminal.defaults[key]; -}); -/** - * Focus the terminal. Delegates focus handling to the terminal's DOM element. - */ -Terminal.prototype.focus = function () { - return this.textarea.focus(); -}; -/** - * Retrieves an option's value from the terminal. - * @param {string} key The option key. - */ -Terminal.prototype.getOption = function (key, value) { - if (!(key in Terminal.defaults)) { - throw new Error('No option with key "' + key + '"'); - } - if (typeof this.options[key] !== 'undefined') { - return this.options[key]; - } - return this[key]; -}; -/** - * Sets an option on the terminal. - * @param {string} key The option key. - * @param {string} value The option value. - */ -Terminal.prototype.setOption = function (key, value) { - if (!(key in Terminal.defaults)) { - throw new Error('No option with key "' + key + '"'); - } - this[key] = value; - this.options[key] = value; -}; -/** - * Binds the desired focus behavior on a given terminal object. - * - * @static - */ -Terminal.bindFocus = function (term) { - on(term.textarea, 'focus', function (ev) { - if (term.sendFocus) { - term.send('\x1b[I'); - } - term.element.classList.add('focus'); - term.showCursor(); - Terminal.focus = term; - term.emit('focus', { terminal: term }); - }); -}; -/** - * Blur the terminal. Delegates blur handling to the terminal's DOM element. - */ -Terminal.prototype.blur = function () { - return this.textarea.blur(); -}; -/** - * Binds the desired blur behavior on a given terminal object. - * - * @static - */ -Terminal.bindBlur = function (term) { - on(term.textarea, 'blur', function (ev) { - term.refresh(term.y, term.y); - if (term.sendFocus) { - term.send('\x1b[O'); - } - term.element.classList.remove('focus'); - Terminal.focus = null; - term.emit('blur', { terminal: term }); - }); -}; -/** - * Initialize default behavior - */ -Terminal.prototype.initGlobal = function () { - var term = this; - Terminal.bindKeys(this); - Terminal.bindFocus(this); - Terminal.bindBlur(this); - // Bind clipboard functionality - on(this.element, 'copy', function (ev) { - Clipboard_js_1.copyHandler.call(this, ev, term); - }); - on(this.textarea, 'paste', function (ev) { - Clipboard_js_1.pasteHandler.call(this, ev, term); - }); - on(this.element, 'paste', function (ev) { - Clipboard_js_1.pasteHandler.call(this, ev, term); - }); - function rightClickHandlerWrapper(ev) { - Clipboard_js_1.rightClickHandler.call(this, ev, term); - } - if (term.browser.isFirefox) { - on(this.element, 'mousedown', function (ev) { - if (ev.button == 2) { - rightClickHandlerWrapper(ev); - } - }); - } - else { - on(this.element, 'contextmenu', rightClickHandlerWrapper); - } -}; -/** - * Apply key handling to the terminal - */ -Terminal.bindKeys = function (term) { - on(term.element, 'keydown', function (ev) { - if (document.activeElement != this) { - return; - } - term.keyDown(ev); - }, true); - on(term.element, 'keypress', function (ev) { - if (document.activeElement != this) { - return; - } - term.keyPress(ev); - }, true); - on(term.element, 'keyup', term.focus.bind(term)); - on(term.textarea, 'keydown', function (ev) { - term.keyDown(ev); - }, true); - on(term.textarea, 'keypress', function (ev) { - term.keyPress(ev); - // Truncate the textarea's value, since it is not needed - this.value = ''; - }, true); - on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper)); - on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper)); - on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper)); - term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper)); -}; -/** - * Insert the given row to the terminal or produce a new one - * if no row argument is passed. Return the inserted row. - * @param {HTMLElement} row (optional) The row to append to the terminal. - */ -Terminal.prototype.insertRow = function (row) { - if (typeof row != 'object') { - row = document.createElement('div'); - } - this.rowContainer.appendChild(row); - this.children.push(row); - return row; -}; -/** - * Opens the terminal within an element. - * - * @param {HTMLElement} parent The element to create the terminal within. - */ -Terminal.prototype.open = function (parent) { - var self = this, i = 0, div; - this.parent = parent || this.parent; - if (!this.parent) { - throw new Error('Terminal requires a parent element.'); - } - // Grab global elements - this.context = this.parent.ownerDocument.defaultView; - this.document = this.parent.ownerDocument; - this.body = this.document.getElementsByTagName('body')[0]; - //Create main element container - this.element = this.document.createElement('div'); - this.element.classList.add('terminal'); - this.element.classList.add('xterm'); - this.element.classList.add('xterm-theme-' + this.theme); - this.element.style.height; - this.element.setAttribute('tabindex', 0); - this.viewportElement = document.createElement('div'); - this.viewportElement.classList.add('xterm-viewport'); - this.element.appendChild(this.viewportElement); - this.viewportScrollArea = document.createElement('div'); - this.viewportScrollArea.classList.add('xterm-scroll-area'); - this.viewportElement.appendChild(this.viewportScrollArea); - // Create the container that will hold the lines of the terminal and then - // produce the lines the lines. - this.rowContainer = document.createElement('div'); - this.rowContainer.classList.add('xterm-rows'); - this.element.appendChild(this.rowContainer); - this.children = []; - // Create the container that will hold helpers like the textarea for - // capturing DOM Events. Then produce the helpers. - this.helperContainer = document.createElement('div'); - this.helperContainer.classList.add('xterm-helpers'); - // TODO: This should probably be inserted once it's filled to prevent an additional layout - this.element.appendChild(this.helperContainer); - this.textarea = document.createElement('textarea'); - this.textarea.classList.add('xterm-helper-textarea'); - this.textarea.setAttribute('autocorrect', 'off'); - this.textarea.setAttribute('autocapitalize', 'off'); - this.textarea.setAttribute('spellcheck', 'false'); - this.textarea.tabIndex = 0; - this.textarea.addEventListener('focus', function () { - self.emit('focus', { terminal: self }); - }); - this.textarea.addEventListener('blur', function () { - self.emit('blur', { terminal: self }); - }); - this.helperContainer.appendChild(this.textarea); - this.compositionView = document.createElement('div'); - this.compositionView.classList.add('composition-view'); - this.compositionHelper = new CompositionHelper_js_1.CompositionHelper(this.textarea, this.compositionView, this); - this.helperContainer.appendChild(this.compositionView); - this.charMeasureElement = document.createElement('div'); - this.charMeasureElement.classList.add('xterm-char-measure-element'); - this.charMeasureElement.innerHTML = 'W'; - this.helperContainer.appendChild(this.charMeasureElement); - for (; i < this.rows; i++) { - this.insertRow(); - } - this.parent.appendChild(this.element); - this.viewport = new Viewport_js_1.Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement); - // Draw the screen. - this.refresh(0, this.rows - 1); - // Initialize global actions that - // need to be taken on the document. - this.initGlobal(); - // Ensure there is a Terminal.focus. - this.focus(); - on(this.element, 'click', function () { - var selection = document.getSelection(), collapsed = selection.isCollapsed, isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range'; - if (!isRange) { - self.focus(); - } - }); - // Listen for mouse events and translate - // them into terminal mouse protocols. - this.bindMouse(); - // Figure out whether boldness affects - // the character width of monospace fonts. - if (Terminal.brokenBold == null) { - Terminal.brokenBold = isBoldBroken(this.document); - } - /** - * This event is emitted when terminal has completed opening. - * - * @event open - */ - this.emit('open'); -}; -/** - * Attempts to load an add-on using CommonJS or RequireJS (whichever is available). - * @param {string} addon The name of the addon to load - * @static - */ -Terminal.loadAddon = function (addon, callback) { - if (typeof exports === 'object' && typeof module === 'object') { - // CommonJS - return require('./addons/' + addon + '/' + addon); - } - else if (typeof define == 'function') { - // RequireJS - return require(['./addons/' + addon + '/' + addon], callback); - } - else { - console.error('Cannot load a module without a CommonJS or RequireJS environment.'); - return false; - } -}; -/** - * XTerm mouse events - * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking - * To better understand these - * the xterm code is very helpful: - * Relevant files: - * button.c, charproc.c, misc.c - * Relevant functions in xterm/button.c: - * BtnCode, EmitButtonCode, EditorButton, SendMousePosition - */ -Terminal.prototype.bindMouse = function () { - var el = this.element, self = this, pressed = 32; - // mouseup, mousedown, wheel - // left click: ^[[M 3<^[[M#3< - // wheel up: ^[[M`3> - function sendButton(ev) { - var button, pos; - // get the xterm-style button - button = getButton(ev); - // get mouse coordinates - pos = getCoords(ev); - if (!pos) - return; - sendEvent(button, pos); - switch (ev.overrideType || ev.type) { - case 'mousedown': - pressed = button; - break; - case 'mouseup': - // keep it at the left - // button, just in case. - pressed = 32; - break; - case 'wheel': - // nothing. don't - // interfere with - // `pressed`. - break; - } - } - // motion example of a left click: - // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7< - function sendMove(ev) { - var button = pressed, pos; - pos = getCoords(ev); - if (!pos) - return; - // buttons marked as motions - // are incremented by 32 - button += 32; - sendEvent(button, pos); - } - // encode button and - // position to characters - function encode(data, ch) { - if (!self.utfMouse) { - if (ch === 255) - return data.push(0); - if (ch > 127) - ch = 127; - data.push(ch); - } - else { - if (ch === 2047) - return data.push(0); - if (ch < 127) { - data.push(ch); - } - else { - if (ch > 2047) - ch = 2047; - data.push(0xC0 | (ch >> 6)); - data.push(0x80 | (ch & 0x3F)); - } - } - } - // send a mouse event: - // regular/utf8: ^[[M Cb Cx Cy - // urxvt: ^[[ Cb ; Cx ; Cy M - // sgr: ^[[ Cb ; Cx ; Cy M/m - // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \r - // locator: CSI P e ; P b ; P r ; P c ; P p & w - function sendEvent(button, pos) { - // self.emit('mouse', { - // x: pos.x - 32, - // y: pos.x - 32, - // button: button - // }); - if (self.vt300Mouse) { - // NOTE: Unstable. - // http://www.vt100.net/docs/vt3xx-gp/chapter15.html - button &= 3; - pos.x -= 32; - pos.y -= 32; - var data = '\x1b[24'; - if (button === 0) - data += '1'; - else if (button === 1) - data += '3'; - else if (button === 2) - data += '5'; - else if (button === 3) - return; - else - data += '0'; - data += '~[' + pos.x + ',' + pos.y + ']\r'; - self.send(data); - return; - } - if (self.decLocator) { - // NOTE: Unstable. - button &= 3; - pos.x -= 32; - pos.y -= 32; - if (button === 0) - button = 2; - else if (button === 1) - button = 4; - else if (button === 2) - button = 6; - else if (button === 3) - button = 3; - self.send('\x1b[' - + button - + ';' - + (button === 3 ? 4 : 0) - + ';' - + pos.y - + ';' - + pos.x - + ';' - + (pos.page || 0) - + '&w'); - return; - } - if (self.urxvtMouse) { - pos.x -= 32; - pos.y -= 32; - pos.x++; - pos.y++; - self.send('\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M'); - return; - } - if (self.sgrMouse) { - pos.x -= 32; - pos.y -= 32; - self.send('\x1b[<' - + (((button & 3) === 3 ? button & ~3 : button) - 32) - + ';' - + pos.x - + ';' - + pos.y - + ((button & 3) === 3 ? 'm' : 'M')); - return; - } - var data = []; - encode(data, button); - encode(data, pos.x); - encode(data, pos.y); - self.send('\x1b[M' + String.fromCharCode.apply(String, data)); - } - function getButton(ev) { - var button, shift, meta, ctrl, mod; - // two low bits: - // 0 = left - // 1 = middle - // 2 = right - // 3 = release - // wheel up/down: - // 1, and 2 - with 64 added - switch (ev.overrideType || ev.type) { - case 'mousedown': - button = ev.button != null - ? +ev.button - : ev.which != null - ? ev.which - 1 - : null; - if (self.browser.isMSIE) { - button = button === 1 ? 0 : button === 4 ? 1 : button; - } - break; - case 'mouseup': - button = 3; - break; - case 'DOMMouseScroll': - button = ev.detail < 0 - ? 64 - : 65; - break; - case 'wheel': - button = ev.wheelDeltaY > 0 - ? 64 - : 65; - break; - } - // next three bits are the modifiers: - // 4 = shift, 8 = meta, 16 = control - shift = ev.shiftKey ? 4 : 0; - meta = ev.metaKey ? 8 : 0; - ctrl = ev.ctrlKey ? 16 : 0; - mod = shift | meta | ctrl; - // no mods - if (self.vt200Mouse) { - // ctrl only - mod &= ctrl; - } - else if (!self.normalMouse) { - mod = 0; - } - // increment to SP - button = (32 + (mod << 2)) + button; - return button; - } - // mouse coordinates measured in cols/rows - function getCoords(ev) { - var x, y, w, h, el; - // ignore browsers without pageX for now - if (ev.pageX == null) - return; - x = ev.pageX; - y = ev.pageY; - el = self.element; - // should probably check offsetParent - // but this is more portable - while (el && el !== self.document.documentElement) { - x -= el.offsetLeft; - y -= el.offsetTop; - el = 'offsetParent' in el - ? el.offsetParent - : el.parentNode; - } - // convert to cols/rows - w = self.element.clientWidth; - h = self.element.clientHeight; - x = Math.ceil((x / w) * self.cols); - y = Math.ceil((y / h) * self.rows); - // be sure to avoid sending - // bad positions to the program - if (x < 0) - x = 0; - if (x > self.cols) - x = self.cols; - if (y < 0) - y = 0; - if (y > self.rows) - y = self.rows; - // xterm sends raw bytes and - // starts at 32 (SP) for each. - x += 32; - y += 32; - return { - x: x, - y: y, - type: 'wheel' - }; - } - on(el, 'mousedown', function (ev) { - if (!self.mouseEvents) - return; - // send the button - sendButton(ev); - // ensure focus - self.focus(); - // fix for odd bug - //if (self.vt200Mouse && !self.normalMouse) { - if (self.vt200Mouse) { - ev.overrideType = 'mouseup'; - sendButton(ev); - return self.cancel(ev); - } - // bind events - if (self.normalMouse) - on(self.document, 'mousemove', sendMove); - // x10 compatibility mode can't send button releases - if (!self.x10Mouse) { - on(self.document, 'mouseup', function up(ev) { - sendButton(ev); - if (self.normalMouse) - off(self.document, 'mousemove', sendMove); - off(self.document, 'mouseup', up); - return self.cancel(ev); - }); - } - return self.cancel(ev); - }); - //if (self.normalMouse) { - // on(self.document, 'mousemove', sendMove); - //} - on(el, 'wheel', function (ev) { - if (!self.mouseEvents) - return; - if (self.x10Mouse - || self.vt300Mouse - || self.decLocator) - return; - sendButton(ev); - return self.cancel(ev); - }); - // allow wheel scrolling in - // the shell for example - on(el, 'wheel', function (ev) { - if (self.mouseEvents) - return; - self.viewport.onWheel(ev); - return self.cancel(ev); - }); -}; -/** - * Destroys the terminal. - */ -Terminal.prototype.destroy = function () { - this.readable = false; - this.writable = false; - this._events = {}; - this.handler = function () { }; - this.write = function () { }; - if (this.element.parentNode) { - this.element.parentNode.removeChild(this.element); - } - //this.emit('close'); -}; -/** - * Flags used to render terminal text properly - */ -Terminal.flags = { - BOLD: 1, - UNDERLINE: 2, - BLINK: 4, - INVERSE: 8, - INVISIBLE: 16 -}; -/** - * Refreshes (re-renders) terminal content within two rows (inclusive) - * - * Rendering Engine: - * - * In the screen buffer, each character is stored as a an array with a character - * and a 32-bit integer: - * - First value: a utf-16 character. - * - Second value: - * - Next 9 bits: background color (0-511). - * - Next 9 bits: foreground color (0-511). - * - Next 14 bits: a mask for misc. flags: - * - 1=bold - * - 2=underline - * - 4=blink - * - 8=inverse - * - 16=invisible - * - * @param {number} start The row to start from (between 0 and terminal's height terminal - 1) - * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1) - * @param {boolean} queue Whether the refresh should ran right now or be queued - */ -Terminal.prototype.refresh = function (start, end, queue) { - var self = this; - // queue defaults to true - queue = (typeof queue == 'undefined') ? true : queue; - /** - * The refresh queue allows refresh to execute only approximately 30 times a second. For - * commands that pass a significant amount of output to the write function, this prevents the - * terminal from maxing out the CPU and making the UI unresponsive. While commands can still - * run beyond what they do on the terminal, it is far better with a debounce in place as - * every single terminal manipulation does not need to be constructed in the DOM. - * - * A side-effect of this is that it makes ^C to interrupt a process seem more responsive. - */ - if (queue) { - // If refresh should be queued, order the refresh and return. - if (this._refreshIsQueued) { - // If a refresh has already been queued, just order a full refresh next - this._fullRefreshNext = true; - } - else { - setTimeout(function () { - self.refresh(start, end, false); - }, 34); - this._refreshIsQueued = true; - } - return; - } - // If refresh should be run right now (not be queued), release the lock - this._refreshIsQueued = false; - // If multiple refreshes were requested, make a full refresh. - if (this._fullRefreshNext) { - start = 0; - end = this.rows - 1; - this._fullRefreshNext = false; // reset lock - } - var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement; - // If this is a big refresh, remove the terminal rows from the DOM for faster calculations - if (end - start >= this.rows / 2) { - parent = this.element.parentNode; - if (parent) { - this.element.removeChild(this.rowContainer); - } - } - width = this.cols; - y = start; - if (end >= this.rows.length) { - this.log('`end` is too large. Most likely a bad CSR.'); - end = this.rows.length - 1; - } - for (; y <= end; y++) { - row = y + this.ydisp; - line = this.lines[row]; - out = ''; - if (this.y === y - (this.ybase - this.ydisp) - && this.cursorState - && !this.cursorHidden) { - x = this.x; - } - else { - x = -1; - } - attr = this.defAttr; - i = 0; - for (; i < width; i++) { - data = line[i][0]; - ch = line[i][1]; - ch_width = line[i][2]; - if (!ch_width) - continue; - if (i === x) - data = -1; - if (data !== attr) { - if (attr !== this.defAttr) { - out += ''; - } - if (data !== this.defAttr) { - if (data === -1) { - out += ''; - } - else { - var classNames = []; - bg = data & 0x1ff; - fg = (data >> 9) & 0x1ff; - flags = data >> 18; - if (flags & Terminal.flags.BOLD) { - if (!Terminal.brokenBold) { - classNames.push('xterm-bold'); - } - // See: XTerm*boldColors - if (fg < 8) - fg += 8; - } - if (flags & Terminal.flags.UNDERLINE) { - classNames.push('xterm-underline'); - } - if (flags & Terminal.flags.BLINK) { - classNames.push('xterm-blink'); - } - // If inverse flag is on, then swap the foreground and background variables. - if (flags & Terminal.flags.INVERSE) { - /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */ - bg = [fg, fg = bg][0]; - // Should inverse just be before the - // above boldColors effect instead? - if ((flags & 1) && fg < 8) - fg += 8; - } - if (flags & Terminal.flags.INVISIBLE) { - classNames.push('xterm-hidden'); - } - /** - * Weird situation: Invert flag used black foreground and white background results - * in invalid background color, positioned at the 256 index of the 256 terminal - * color map. Pin the colors manually in such a case. - * - * Source: https://github.com/sourcelair/xterm.js/issues/57 - */ - if (flags & Terminal.flags.INVERSE) { - if (bg == 257) { - bg = 15; - } - if (fg == 256) { - fg = 0; - } - } - if (bg < 256) { - classNames.push('xterm-bg-color-' + bg); - } - if (fg < 256) { - classNames.push('xterm-color-' + fg); - } - out += '': - out += '>'; - break; - default: - if (ch <= ' ') { - out += ' '; - } - else { - out += ch; - } - break; - } - attr = data; - } - if (attr !== this.defAttr) { - out += ''; - } - this.children[y].innerHTML = out; - } - if (parent) { - this.element.appendChild(this.rowContainer); - } - this.emit('refresh', { element: this.element, start: start, end: end }); -}; -/** - * Display the cursor element - */ -Terminal.prototype.showCursor = function () { - if (!this.cursorState) { - this.cursorState = 1; - this.refresh(this.y, this.y); - } -}; -/** - * Scroll the terminal - */ -Terminal.prototype.scroll = function () { - var row; - if (++this.ybase === this.scrollback) { - this.ybase = this.ybase / 2 | 0; - this.lines = this.lines.slice(-(this.ybase + this.rows) + 1); - } - if (!this.userScrolling) { - this.ydisp = this.ybase; - } - // last line - row = this.ybase + this.rows - 1; - // subtract the bottom scroll region - row -= this.rows - 1 - this.scrollBottom; - if (row === this.lines.length) { - // potential optimization: - // pushing is faster than splicing - // when they amount to the same - // behavior. - this.lines.push(this.blankLine()); - } - else { - // add our new line - this.lines.splice(row, 0, this.blankLine()); - } - if (this.scrollTop !== 0) { - if (this.ybase !== 0) { - this.ybase--; - if (!this.userScrolling) { - this.ydisp = this.ybase; - } - } - this.lines.splice(this.ybase + this.scrollTop, 1); - } - // this.maxRange(); - this.updateRange(this.scrollTop); - this.updateRange(this.scrollBottom); - /** - * This event is emitted whenever the terminal is scrolled. - * The one parameter passed is the new y display position. - * - * @event scroll - */ - this.emit('scroll', this.ydisp); -}; -/** - * Scroll the display of the terminal - * @param {number} disp The number of lines to scroll down (negatives scroll up). - * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used - * to avoid unwanted events being handled by the veiwport when the event was triggered from the - * viewport originally. - */ -Terminal.prototype.scrollDisp = function (disp, suppressScrollEvent) { - if (disp < 0) { - this.userScrolling = true; - } - else if (disp + this.ydisp >= this.ybase) { - this.userScrolling = false; - } - this.ydisp += disp; - if (this.ydisp > this.ybase) { - this.ydisp = this.ybase; - } - else if (this.ydisp < 0) { - this.ydisp = 0; - } - if (!suppressScrollEvent) { - this.emit('scroll', this.ydisp); - } - this.refresh(0, this.rows - 1); -}; -/** - * Scroll the display of the terminal by a number of pages. - * @param {number} pageCount The number of pages to scroll (negative scrolls up). - */ -Terminal.prototype.scrollPages = function (pageCount) { - this.scrollDisp(pageCount * (this.rows - 1)); -}; -/** - * Scrolls the display of the terminal to the top. - */ -Terminal.prototype.scrollToTop = function () { - this.scrollDisp(-this.ydisp); -}; -/** - * Scrolls the display of the terminal to the bottom. - */ -Terminal.prototype.scrollToBottom = function () { - this.scrollDisp(this.ybase - this.ydisp); -}; -/** - * Writes text to the terminal. - * @param {string} text The text to write to the terminal. - */ -Terminal.prototype.write = function (data) { - var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row; - this.refreshStart = this.y; - this.refreshEnd = this.y; - // apply leftover surrogate high from last write - if (this.surrogate_high) { - data = this.surrogate_high + data; - this.surrogate_high = ''; - } - for (; i < l; i++) { - ch = data[i]; - // FIXME: higher chars than 0xa0 are not allowed in escape sequences - // --> maybe move to default - code = data.charCodeAt(i); - if (0xD800 <= code && code <= 0xDBFF) { - // we got a surrogate high - // get surrogate low (next 2 bytes) - low = data.charCodeAt(i + 1); - if (isNaN(low)) { - // end of data stream, save surrogate high - this.surrogate_high = ch; - continue; - } - code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000; - ch += data.charAt(i + 1); - } - // surrogate low - already handled above - if (0xDC00 <= code && code <= 0xDFFF) - continue; - switch (this.state) { - case normal: - switch (ch) { - case '\x07': - this.bell(); - break; - // '\n', '\v', '\f' - case '\n': - case '\x0b': - case '\x0c': - if (this.convertEol) { - this.x = 0; - } - this.y++; - if (this.y > this.scrollBottom) { - this.y--; - this.scroll(); - } - break; - // '\r' - case '\r': - this.x = 0; - break; - // '\b' - case '\x08': - if (this.x > 0) { - this.x--; - } - break; - // '\t' - case '\t': - this.x = this.nextStop(); - break; - // shift out - case '\x0e': - this.setgLevel(1); - break; - // shift in - case '\x0f': - this.setgLevel(0); - break; - // '\e' - case '\x1b': - this.state = escaped; - break; - default: - // ' ' - // calculate print space - // expensive call, therefore we save width in line buffer - ch_width = wcwidth(code); - if (ch >= ' ') { - if (this.charset && this.charset[ch]) { - ch = this.charset[ch]; - } - row = this.y + this.ybase; - // insert combining char in last cell - // FIXME: needs handling after cursor jumps - if (!ch_width && this.x) { - // dont overflow left - if (this.lines[row][this.x - 1]) { - if (!this.lines[row][this.x - 1][2]) { - // found empty cell after fullwidth, need to go 2 cells back - if (this.lines[row][this.x - 2]) - this.lines[row][this.x - 2][1] += ch; - } - else { - this.lines[row][this.x - 1][1] += ch; - } - this.updateRange(this.y); - } - break; - } - // goto next line if ch would overflow - // TODO: needs a global min terminal width of 2 - if (this.x + ch_width - 1 >= this.cols) { - // autowrap - DECAWM - if (this.wraparoundMode) { - this.x = 0; - this.y++; - if (this.y > this.scrollBottom) { - this.y--; - this.scroll(); - } - } - else { - this.x = this.cols - 1; - if (ch_width === 2) - continue; - } - } - row = this.y + this.ybase; - // insert mode: move characters to right - if (this.insertMode) { - // do this twice for a fullwidth char - for (var moves = 0; moves < ch_width; ++moves) { - // remove last cell, if it's width is 0 - // we have to adjust the second last cell as well - var removed = this.lines[this.y + this.ybase].pop(); - if (removed[2] === 0 - && this.lines[row][this.cols - 2] - && this.lines[row][this.cols - 2][2] === 2) - this.lines[row][this.cols - 2] = [this.curAttr, ' ', 1]; - // insert empty cell at cursor - this.lines[row].splice(this.x, 0, [this.curAttr, ' ', 1]); - } - } - this.lines[row][this.x] = [this.curAttr, ch, ch_width]; - this.x++; - this.updateRange(this.y); - // fullwidth char - set next cell width to zero and advance cursor - if (ch_width === 2) { - this.lines[row][this.x] = [this.curAttr, '', 0]; - this.x++; - } - } - break; - } - break; - case escaped: - switch (ch) { - // ESC [ Control Sequence Introducer ( CSI is 0x9b). - case '[': - this.params = []; - this.currentParam = 0; - this.state = csi; - break; - // ESC ] Operating System Command ( OSC is 0x9d). - case ']': - this.params = []; - this.currentParam = 0; - this.state = osc; - break; - // ESC P Device Control String ( DCS is 0x90). - case 'P': - this.params = []; - this.currentParam = 0; - this.state = dcs; - break; - // ESC _ Application Program Command ( APC is 0x9f). - case '_': - this.state = ignore; - break; - // ESC ^ Privacy Message ( PM is 0x9e). - case '^': - this.state = ignore; - break; - // ESC c Full Reset (RIS). - case 'c': - this.reset(); - break; - // ESC E Next Line ( NEL is 0x85). - // ESC D Index ( IND is 0x84). - case 'E': - this.x = 0; - ; - case 'D': - this.index(); - break; - // ESC M Reverse Index ( RI is 0x8d). - case 'M': - this.reverseIndex(); - break; - // ESC % Select default/utf-8 character set. - // @ = default, G = utf-8 - case '%': - //this.charset = null; - this.setgLevel(0); - this.setgCharset(0, Terminal.charsets.US); - this.state = normal; - i++; - break; - // ESC (,),*,+,-,. Designate G0-G2 Character Set. - case '(': // <-- this seems to get all the attention - case ')': - case '*': - case '+': - case '-': - case '.': - switch (ch) { - case '(': - this.gcharset = 0; - break; - case ')': - this.gcharset = 1; - break; - case '*': - this.gcharset = 2; - break; - case '+': - this.gcharset = 3; - break; - case '-': - this.gcharset = 1; - break; - case '.': - this.gcharset = 2; - break; - } - this.state = charset; - break; - // Designate G3 Character Set (VT300). - // A = ISO Latin-1 Supplemental. - // Not implemented. - case '/': - this.gcharset = 3; - this.state = charset; - i--; - break; - // ESC N - // Single Shift Select of G2 Character Set - // ( SS2 is 0x8e). This affects next character only. - case 'N': - break; - // ESC O - // Single Shift Select of G3 Character Set - // ( SS3 is 0x8f). This affects next character only. - case 'O': - break; - // ESC n - // Invoke the G2 Character Set as GL (LS2). - case 'n': - this.setgLevel(2); - break; - // ESC o - // Invoke the G3 Character Set as GL (LS3). - case 'o': - this.setgLevel(3); - break; - // ESC | - // Invoke the G3 Character Set as GR (LS3R). - case '|': - this.setgLevel(3); - break; - // ESC } - // Invoke the G2 Character Set as GR (LS2R). - case '}': - this.setgLevel(2); - break; - // ESC ~ - // Invoke the G1 Character Set as GR (LS1R). - case '~': - this.setgLevel(1); - break; - // ESC 7 Save Cursor (DECSC). - case '7': - this.saveCursor(); - this.state = normal; - break; - // ESC 8 Restore Cursor (DECRC). - case '8': - this.restoreCursor(); - this.state = normal; - break; - // ESC # 3 DEC line height/width - case '#': - this.state = normal; - i++; - break; - // ESC H Tab Set (HTS is 0x88). - case 'H': - this.tabSet(); - break; - // ESC = Application Keypad (DECKPAM). - case '=': - this.log('Serial port requested application keypad.'); - this.applicationKeypad = true; - this.viewport.syncScrollArea(); - this.state = normal; - break; - // ESC > Normal Keypad (DECKPNM). - case '>': - this.log('Switching back to normal keypad.'); - this.applicationKeypad = false; - this.viewport.syncScrollArea(); - this.state = normal; - break; - default: - this.state = normal; - this.error('Unknown ESC control: %s.', ch); - break; - } - break; - case charset: - switch (ch) { - case '0': - cs = Terminal.charsets.SCLD; - break; - case 'A': - cs = Terminal.charsets.UK; - break; - case 'B': - cs = Terminal.charsets.US; - break; - case '4': - cs = Terminal.charsets.Dutch; - break; - case 'C': // Finnish - case '5': - cs = Terminal.charsets.Finnish; - break; - case 'R': - cs = Terminal.charsets.French; - break; - case 'Q': - cs = Terminal.charsets.FrenchCanadian; - break; - case 'K': - cs = Terminal.charsets.German; - break; - case 'Y': - cs = Terminal.charsets.Italian; - break; - case 'E': // NorwegianDanish - case '6': - cs = Terminal.charsets.NorwegianDanish; - break; - case 'Z': - cs = Terminal.charsets.Spanish; - break; - case 'H': // Swedish - case '7': - cs = Terminal.charsets.Swedish; - break; - case '=': - cs = Terminal.charsets.Swiss; - break; - case '/': - cs = Terminal.charsets.ISOLatin; - i++; - break; - default: - cs = Terminal.charsets.US; - break; - } - this.setgCharset(this.gcharset, cs); - this.gcharset = null; - this.state = normal; - break; - case osc: - // OSC Ps ; Pt ST - // OSC Ps ; Pt BEL - // Set Text Parameters. - if (ch === '\x1b' || ch === '\x07') { - if (ch === '\x1b') - i++; - this.params.push(this.currentParam); - switch (this.params[0]) { - case 0: - case 1: - case 2: - if (this.params[1]) { - this.title = this.params[1]; - this.handleTitle(this.title); - } - break; - case 3: - // set X property - break; - case 4: - case 5: - // change dynamic colors - break; - case 10: - case 11: - case 12: - case 13: - case 14: - case 15: - case 16: - case 17: - case 18: - case 19: - // change dynamic ui colors - break; - case 46: - // change log file - break; - case 50: - // dynamic font - break; - case 51: - // emacs shell - break; - case 52: - // manipulate selection data - break; - case 104: - case 105: - case 110: - case 111: - case 112: - case 113: - case 114: - case 115: - case 116: - case 117: - case 118: - // reset colors - break; - } - this.params = []; - this.currentParam = 0; - this.state = normal; - } - else { - if (!this.params.length) { - if (ch >= '0' && ch <= '9') { - this.currentParam = - this.currentParam * 10 + ch.charCodeAt(0) - 48; - } - else if (ch === ';') { - this.params.push(this.currentParam); - this.currentParam = ''; - } - } - else { - this.currentParam += ch; - } - } - break; - case csi: - // '?', '>', '!' - if (ch === '?' || ch === '>' || ch === '!') { - this.prefix = ch; - break; - } - // 0 - 9 - if (ch >= '0' && ch <= '9') { - this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48; - break; - } - // '$', '"', ' ', '\'' - if (ch === '$' || ch === '"' || ch === ' ' || ch === '\'') { - this.postfix = ch; - break; - } - this.params.push(this.currentParam); - this.currentParam = 0; - // ';' - if (ch === ';') - break; - this.state = normal; - switch (ch) { - // CSI Ps A - // Cursor Up Ps Times (default = 1) (CUU). - case 'A': - this.cursorUp(this.params); - break; - // CSI Ps B - // Cursor Down Ps Times (default = 1) (CUD). - case 'B': - this.cursorDown(this.params); - break; - // CSI Ps C - // Cursor Forward Ps Times (default = 1) (CUF). - case 'C': - this.cursorForward(this.params); - break; - // CSI Ps D - // Cursor Backward Ps Times (default = 1) (CUB). - case 'D': - this.cursorBackward(this.params); - break; - // CSI Ps ; Ps H - // Cursor Position [row;column] (default = [1,1]) (CUP). - case 'H': - this.cursorPos(this.params); - break; - // CSI Ps J Erase in Display (ED). - case 'J': - this.eraseInDisplay(this.params); - break; - // CSI Ps K Erase in Line (EL). - case 'K': - this.eraseInLine(this.params); - break; - // CSI Pm m Character Attributes (SGR). - case 'm': - if (!this.prefix) { - this.charAttributes(this.params); - } - break; - // CSI Ps n Device Status Report (DSR). - case 'n': - if (!this.prefix) { - this.deviceStatus(this.params); - } - break; - /** - * Additions - */ - // CSI Ps @ - // Insert Ps (Blank) Character(s) (default = 1) (ICH). - case '@': - this.insertChars(this.params); - break; - // CSI Ps E - // Cursor Next Line Ps Times (default = 1) (CNL). - case 'E': - this.cursorNextLine(this.params); - break; - // CSI Ps F - // Cursor Preceding Line Ps Times (default = 1) (CNL). - case 'F': - this.cursorPrecedingLine(this.params); - break; - // CSI Ps G - // Cursor Character Absolute [column] (default = [row,1]) (CHA). - case 'G': - this.cursorCharAbsolute(this.params); - break; - // CSI Ps L - // Insert Ps Line(s) (default = 1) (IL). - case 'L': - this.insertLines(this.params); - break; - // CSI Ps M - // Delete Ps Line(s) (default = 1) (DL). - case 'M': - this.deleteLines(this.params); - break; - // CSI Ps P - // Delete Ps Character(s) (default = 1) (DCH). - case 'P': - this.deleteChars(this.params); - break; - // CSI Ps X - // Erase Ps Character(s) (default = 1) (ECH). - case 'X': - this.eraseChars(this.params); - break; - // CSI Pm ` Character Position Absolute - // [column] (default = [row,1]) (HPA). - case '`': - this.charPosAbsolute(this.params); - break; - // 141 61 a * HPR - - // Horizontal Position Relative - case 'a': - this.HPositionRelative(this.params); - break; - // CSI P s c - // Send Device Attributes (Primary DA). - // CSI > P s c - // Send Device Attributes (Secondary DA) - case 'c': - this.sendDeviceAttributes(this.params); - break; - // CSI Pm d - // Line Position Absolute [row] (default = [1,column]) (VPA). - case 'd': - this.linePosAbsolute(this.params); - break; - // 145 65 e * VPR - Vertical Position Relative - case 'e': - this.VPositionRelative(this.params); - break; - // CSI Ps ; Ps f - // Horizontal and Vertical Position [row;column] (default = - // [1,1]) (HVP). - case 'f': - this.HVPosition(this.params); - break; - // CSI Pm h Set Mode (SM). - // CSI ? Pm h - mouse escape codes, cursor escape codes - case 'h': - this.setMode(this.params); - break; - // CSI Pm l Reset Mode (RM). - // CSI ? Pm l - case 'l': - this.resetMode(this.params); - break; - // CSI Ps ; Ps r - // Set Scrolling Region [top;bottom] (default = full size of win- - // dow) (DECSTBM). - // CSI ? Pm r - case 'r': - this.setScrollRegion(this.params); - break; - // CSI s - // Save cursor (ANSI.SYS). - case 's': - this.saveCursor(this.params); - break; - // CSI u - // Restore cursor (ANSI.SYS). - case 'u': - this.restoreCursor(this.params); - break; - /** - * Lesser Used - */ - // CSI Ps I - // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). - case 'I': - this.cursorForwardTab(this.params); - break; - // CSI Ps S Scroll up Ps lines (default = 1) (SU). - case 'S': - this.scrollUp(this.params); - break; - // CSI Ps T Scroll down Ps lines (default = 1) (SD). - // CSI Ps ; Ps ; Ps ; Ps ; Ps T - // CSI > Ps; Ps T - case 'T': - // if (this.prefix === '>') { - // this.resetTitleModes(this.params); - // break; - // } - // if (this.params.length > 2) { - // this.initMouseTracking(this.params); - // break; - // } - if (this.params.length < 2 && !this.prefix) { - this.scrollDown(this.params); - } - break; - // CSI Ps Z - // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). - case 'Z': - this.cursorBackwardTab(this.params); - break; - // CSI Ps b Repeat the preceding graphic character Ps times (REP). - case 'b': - this.repeatPrecedingCharacter(this.params); - break; - // CSI Ps g Tab Clear (TBC). - case 'g': - this.tabClear(this.params); - break; - // CSI Pm i Media Copy (MC). - // CSI ? Pm i - // case 'i': - // this.mediaCopy(this.params); - // break; - // CSI Pm m Character Attributes (SGR). - // CSI > Ps; Ps m - // case 'm': // duplicate - // if (this.prefix === '>') { - // this.setResources(this.params); - // } else { - // this.charAttributes(this.params); - // } - // break; - // CSI Ps n Device Status Report (DSR). - // CSI > Ps n - // case 'n': // duplicate - // if (this.prefix === '>') { - // this.disableModifiers(this.params); - // } else { - // this.deviceStatus(this.params); - // } - // break; - // CSI > Ps p Set pointer mode. - // CSI ! p Soft terminal reset (DECSTR). - // CSI Ps$ p - // Request ANSI mode (DECRQM). - // CSI ? Ps$ p - // Request DEC private mode (DECRQM). - // CSI Ps ; Ps " p - case 'p': - switch (this.prefix) { - // case '>': - // this.setPointerMode(this.params); - // break; - case '!': - this.softReset(this.params); - break; - } - break; - // CSI Ps q Load LEDs (DECLL). - // CSI Ps SP q - // CSI Ps " q - // case 'q': - // if (this.postfix === ' ') { - // this.setCursorStyle(this.params); - // break; - // } - // if (this.postfix === '"') { - // this.setCharProtectionAttr(this.params); - // break; - // } - // this.loadLEDs(this.params); - // break; - // CSI Ps ; Ps r - // Set Scrolling Region [top;bottom] (default = full size of win- - // dow) (DECSTBM). - // CSI ? Pm r - // CSI Pt; Pl; Pb; Pr; Ps$ r - // case 'r': // duplicate - // if (this.prefix === '?') { - // this.restorePrivateValues(this.params); - // } else if (this.postfix === '$') { - // this.setAttrInRectangle(this.params); - // } else { - // this.setScrollRegion(this.params); - // } - // break; - // CSI s Save cursor (ANSI.SYS). - // CSI ? Pm s - // case 's': // duplicate - // if (this.prefix === '?') { - // this.savePrivateValues(this.params); - // } else { - // this.saveCursor(this.params); - // } - // break; - // CSI Ps ; Ps ; Ps t - // CSI Pt; Pl; Pb; Pr; Ps$ t - // CSI > Ps; Ps t - // CSI Ps SP t - // case 't': - // if (this.postfix === '$') { - // this.reverseAttrInRectangle(this.params); - // } else if (this.postfix === ' ') { - // this.setWarningBellVolume(this.params); - // } else { - // if (this.prefix === '>') { - // this.setTitleModeFeature(this.params); - // } else { - // this.manipulateWindow(this.params); - // } - // } - // break; - // CSI u Restore cursor (ANSI.SYS). - // CSI Ps SP u - // case 'u': // duplicate - // if (this.postfix === ' ') { - // this.setMarginBellVolume(this.params); - // } else { - // this.restoreCursor(this.params); - // } - // break; - // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v - // case 'v': - // if (this.postfix === '$') { - // this.copyRectagle(this.params); - // } - // break; - // CSI Pt ; Pl ; Pb ; Pr ' w - // case 'w': - // if (this.postfix === '\'') { - // this.enableFilterRectangle(this.params); - // } - // break; - // CSI Ps x Request Terminal Parameters (DECREQTPARM). - // CSI Ps x Select Attribute Change Extent (DECSACE). - // CSI Pc; Pt; Pl; Pb; Pr$ x - // case 'x': - // if (this.postfix === '$') { - // this.fillRectangle(this.params); - // } else { - // this.requestParameters(this.params); - // //this.__(this.params); - // } - // break; - // CSI Ps ; Pu ' z - // CSI Pt; Pl; Pb; Pr$ z - // case 'z': - // if (this.postfix === '\'') { - // this.enableLocatorReporting(this.params); - // } else if (this.postfix === '$') { - // this.eraseRectangle(this.params); - // } - // break; - // CSI Pm ' { - // CSI Pt; Pl; Pb; Pr$ { - // case '{': - // if (this.postfix === '\'') { - // this.setLocatorEvents(this.params); - // } else if (this.postfix === '$') { - // this.selectiveEraseRectangle(this.params); - // } - // break; - // CSI Ps ' | - // case '|': - // if (this.postfix === '\'') { - // this.requestLocatorPosition(this.params); - // } - // break; - // CSI P m SP } - // Insert P s Column(s) (default = 1) (DECIC), VT420 and up. - // case '}': - // if (this.postfix === ' ') { - // this.insertColumns(this.params); - // } - // break; - // CSI P m SP ~ - // Delete P s Column(s) (default = 1) (DECDC), VT420 and up - // case '~': - // if (this.postfix === ' ') { - // this.deleteColumns(this.params); - // } - // break; - default: - this.error('Unknown CSI code: %s.', ch); - break; - } - this.prefix = ''; - this.postfix = ''; - break; - case dcs: - if (ch === '\x1b' || ch === '\x07') { - if (ch === '\x1b') - i++; - switch (this.prefix) { - // User-Defined Keys (DECUDK). - case '': - break; - // Request Status String (DECRQSS). - // test: echo -e '\eP$q"p\e\\' - case '$q': - var pt = this.currentParam, valid = false; - switch (pt) { - // DECSCA - case '"q': - pt = '0"q'; - break; - // DECSCL - case '"p': - pt = '61"p'; - break; - // DECSTBM - case 'r': - pt = '' - + (this.scrollTop + 1) - + ';' - + (this.scrollBottom + 1) - + 'r'; - break; - // SGR - case 'm': - pt = '0m'; - break; - default: - this.error('Unknown DCS Pt: %s.', pt); - pt = ''; - break; - } - this.send('\x1bP' + +valid + '$r' + pt + '\x1b\\'); - break; - // Set Termcap/Terminfo Data (xterm, experimental). - case '+p': - break; - // Request Termcap/Terminfo String (xterm, experimental) - // Regular xterm does not even respond to this sequence. - // This can cause a small glitch in vim. - // test: echo -ne '\eP+q6b64\e\\' - case '+q': - var pt = this.currentParam, valid = false; - this.send('\x1bP' + +valid + '+r' + pt + '\x1b\\'); - break; - default: - this.error('Unknown DCS prefix: %s.', this.prefix); - break; - } - this.currentParam = 0; - this.prefix = ''; - this.state = normal; - } - else if (!this.currentParam) { - if (!this.prefix && ch !== '$' && ch !== '+') { - this.currentParam = ch; - } - else if (this.prefix.length === 2) { - this.currentParam = ch; - } - else { - this.prefix += ch; - } - } - else { - this.currentParam += ch; - } - break; - case ignore: - // For PM and APC. - if (ch === '\x1b' || ch === '\x07') { - if (ch === '\x1b') - i++; - this.state = normal; - } - break; - } - } - this.updateRange(this.y); - this.refresh(this.refreshStart, this.refreshEnd); -}; -/** - * Writes text to the terminal, followed by a break line character (\n). - * @param {string} text The text to write to the terminal. - */ -Terminal.prototype.writeln = function (data) { - this.write(data + '\r\n'); -}; -/** - * Attaches a custom keydown handler which is run before keys are processed, giving consumers of - * xterm.js ultimate control as to what keys should be processed by the terminal and what keys - * should not. - * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a - * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent - * the default action. The function returns whether the event should be processed by xterm.js. - */ -Terminal.prototype.attachCustomKeydownHandler = function (customKeydownHandler) { - this.customKeydownHandler = customKeydownHandler; -}; -/** - * Handle a keydown event - * Key Resources: - * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent - * @param {KeyboardEvent} ev The keydown event to be handled. - */ -Terminal.prototype.keyDown = function (ev) { - if (this.customKeydownHandler && this.customKeydownHandler(ev) === false) { - return false; - } - if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) { - if (this.ybase !== this.ydisp) { - this.scrollToBottom(); - } - return false; - } - var self = this; - var result = this.evaluateKeyEscapeSequence(ev); - if (result.scrollDisp) { - this.scrollDisp(result.scrollDisp); - return this.cancel(ev, true); - } - if (isThirdLevelShift(this, ev)) { - return true; - } - if (result.cancel) { - // The event is canceled at the end already, is this necessary? - this.cancel(ev, true); - } - if (!result.key) { - return true; - } - this.emit('keydown', ev); - this.emit('key', result.key, ev); - this.showCursor(); - this.handler(result.key); - return this.cancel(ev, true); -}; -/** - * Returns an object that determines how a KeyboardEvent should be handled. The key of the - * returned value is the new key code to pass to the PTY. - * - * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html - * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence. - */ -Terminal.prototype.evaluateKeyEscapeSequence = function (ev) { - var result = { - // Whether to cancel event propogation (NOTE: this may not be needed since the event is - // canceled at the end of keyDown - cancel: false, - // The new key even to emit - key: undefined, - // The number of characters to scroll, if this is defined it will cancel the event - scrollDisp: undefined - }; - var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3; - switch (ev.keyCode) { - case 8: - // backspace - if (ev.shiftKey) { - result.key = '\x08'; // ^H - break; - } - result.key = '\x7f'; // ^? - break; - case 9: - // tab - if (ev.shiftKey) { - result.key = '\x1b[Z'; - break; - } - result.key = '\t'; - result.cancel = true; - break; - case 13: - // return/enter - result.key = '\r'; - result.cancel = true; - break; - case 27: - // escape - result.key = '\x1b'; - result.cancel = true; - break; - case 37: - // left-arrow - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'D'; - // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards - // http://unix.stackexchange.com/a/108106 - if (result.key == '\x1b[1;3D') { - result.key = '\x1b[1;5D'; - } - } - else if (this.applicationCursor) { - result.key = '\x1bOD'; - } - else { - result.key = '\x1b[D'; - } - break; - case 39: - // right-arrow - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'C'; - // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward - // http://unix.stackexchange.com/a/108106 - if (result.key == '\x1b[1;3C') { - result.key = '\x1b[1;5C'; - } - } - else if (this.applicationCursor) { - result.key = '\x1bOC'; - } - else { - result.key = '\x1b[C'; - } - break; - case 38: - // up-arrow - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'A'; - // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow - // http://unix.stackexchange.com/a/108106 - if (result.key == '\x1b[1;3A') { - result.key = '\x1b[1;5A'; - } - } - else if (this.applicationCursor) { - result.key = '\x1bOA'; - } - else { - result.key = '\x1b[A'; - } - break; - case 40: - // down-arrow - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'B'; - // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow - // http://unix.stackexchange.com/a/108106 - if (result.key == '\x1b[1;3B') { - result.key = '\x1b[1;5B'; - } - } - else if (this.applicationCursor) { - result.key = '\x1bOB'; - } - else { - result.key = '\x1b[B'; - } - break; - case 45: - // insert - if (!ev.shiftKey && !ev.ctrlKey) { - // or + are used to - // copy-paste on some systems. - result.key = '\x1b[2~'; - } - break; - case 46: - // delete - if (modifiers) { - result.key = '\x1b[3;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[3~'; - } - break; - case 36: - // home - if (modifiers) - result.key = '\x1b[1;' + (modifiers + 1) + 'H'; - else if (this.applicationCursor) - result.key = '\x1bOH'; - else - result.key = '\x1b[H'; - break; - case 35: - // end - if (modifiers) - result.key = '\x1b[1;' + (modifiers + 1) + 'F'; - else if (this.applicationCursor) - result.key = '\x1bOF'; - else - result.key = '\x1b[F'; - break; - case 33: - // page up - if (ev.shiftKey) { - result.scrollDisp = -(this.rows - 1); - } - else { - result.key = '\x1b[5~'; - } - break; - case 34: - // page down - if (ev.shiftKey) { - result.scrollDisp = this.rows - 1; - } - else { - result.key = '\x1b[6~'; - } - break; - case 112: - // F1-F12 - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'P'; - } - else { - result.key = '\x1bOP'; - } - break; - case 113: - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'Q'; - } - else { - result.key = '\x1bOQ'; - } - break; - case 114: - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'R'; - } - else { - result.key = '\x1bOR'; - } - break; - case 115: - if (modifiers) { - result.key = '\x1b[1;' + (modifiers + 1) + 'S'; - } - else { - result.key = '\x1bOS'; - } - break; - case 116: - if (modifiers) { - result.key = '\x1b[15;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[15~'; - } - break; - case 117: - if (modifiers) { - result.key = '\x1b[17;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[17~'; - } - break; - case 118: - if (modifiers) { - result.key = '\x1b[18;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[18~'; - } - break; - case 119: - if (modifiers) { - result.key = '\x1b[19;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[19~'; - } - break; - case 120: - if (modifiers) { - result.key = '\x1b[20;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[20~'; - } - break; - case 121: - if (modifiers) { - result.key = '\x1b[21;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[21~'; - } - break; - case 122: - if (modifiers) { - result.key = '\x1b[23;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[23~'; - } - break; - case 123: - if (modifiers) { - result.key = '\x1b[24;' + (modifiers + 1) + '~'; - } - else { - result.key = '\x1b[24~'; - } - break; - default: - // a-z and space - if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) { - if (ev.keyCode >= 65 && ev.keyCode <= 90) { - result.key = String.fromCharCode(ev.keyCode - 64); - } - else if (ev.keyCode === 32) { - // NUL - result.key = String.fromCharCode(0); - } - else if (ev.keyCode >= 51 && ev.keyCode <= 55) { - // escape, file sep, group sep, record sep, unit sep - result.key = String.fromCharCode(ev.keyCode - 51 + 27); - } - else if (ev.keyCode === 56) { - // delete - result.key = String.fromCharCode(127); - } - else if (ev.keyCode === 219) { - // ^[ - Control Sequence Introducer (CSI) - result.key = String.fromCharCode(27); - } - else if (ev.keyCode === 220) { - // ^\ - String Terminator (ST) - result.key = String.fromCharCode(28); - } - else if (ev.keyCode === 221) { - // ^] - Operating System Command (OSC) - result.key = String.fromCharCode(29); - } - } - else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) { - // On Mac this is a third level shift. Use instead. - if (ev.keyCode >= 65 && ev.keyCode <= 90) { - result.key = '\x1b' + String.fromCharCode(ev.keyCode + 32); - } - else if (ev.keyCode === 192) { - result.key = '\x1b`'; - } - else if (ev.keyCode >= 48 && ev.keyCode <= 57) { - result.key = '\x1b' + (ev.keyCode - 48); - } - } - break; - } - return result; -}; -/** - * Set the G level of the terminal - * @param g - */ -Terminal.prototype.setgLevel = function (g) { - this.glevel = g; - this.charset = this.charsets[g]; -}; -/** - * Set the charset for the given G level of the terminal - * @param g - * @param charset - */ -Terminal.prototype.setgCharset = function (g, charset) { - this.charsets[g] = charset; - if (this.glevel === g) { - this.charset = charset; - } -}; -/** - * Handle a keypress event. - * Key Resources: - * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent - * @param {KeyboardEvent} ev The keypress event to be handled. - */ -Terminal.prototype.keyPress = function (ev) { - var key; - this.cancel(ev); - if (ev.charCode) { - key = ev.charCode; - } - else if (ev.which == null) { - key = ev.keyCode; - } - else if (ev.which !== 0 && ev.charCode !== 0) { - key = ev.which; - } - else { - return false; - } - if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev))) { - return false; - } - key = String.fromCharCode(key); - this.emit('keypress', key, ev); - this.emit('key', key, ev); - this.showCursor(); - this.handler(key); - return false; -}; -/** - * Send data for handling to the terminal - * @param {string} data - */ -Terminal.prototype.send = function (data) { - var self = this; - if (!this.queue) { - setTimeout(function () { - self.handler(self.queue); - self.queue = ''; - }, 1); - } - this.queue += data; -}; -/** - * Ring the bell. - * Note: We could do sweet things with webaudio here - */ -Terminal.prototype.bell = function () { - if (!this.visualBell) - return; - var self = this; - this.element.style.borderColor = 'white'; - setTimeout(function () { - self.element.style.borderColor = ''; - }, 10); - if (this.popOnBell) - this.focus(); -}; -/** - * Log the current state to the console. - */ -Terminal.prototype.log = function () { - if (!this.debug) - return; - if (!this.context.console || !this.context.console.log) - return; - var args = Array.prototype.slice.call(arguments); - this.context.console.log.apply(this.context.console, args); -}; -/** - * Log the current state as error to the console. - */ -Terminal.prototype.error = function () { - if (!this.debug) - return; - if (!this.context.console || !this.context.console.error) - return; - var args = Array.prototype.slice.call(arguments); - this.context.console.error.apply(this.context.console, args); -}; -/** - * Resizes the terminal. - * - * @param {number} x The number of columns to resize to. - * @param {number} y The number of rows to resize to. - */ -Terminal.prototype.resize = function (x, y) { - var line, el, i, j, ch, addToY; - if (x === this.cols && y === this.rows) { - return; - } - if (x < 1) - x = 1; - if (y < 1) - y = 1; - // resize cols - j = this.cols; - if (j < x) { - ch = [this.defAttr, ' ', 1]; // does xterm use the default attr? - i = this.lines.length; - while (i--) { - while (this.lines[i].length < x) { - this.lines[i].push(ch); - } - } - } - else { - i = this.lines.length; - while (i--) { - while (this.lines[i].length > x) { - this.lines[i].pop(); - } - } - } - this.setupStops(j); - this.cols = x; - // resize rows - j = this.rows; - addToY = 0; - if (j < y) { - el = this.element; - while (j++ < y) { - // y is rows, not this.y - if (this.lines.length < y + this.ybase) { - if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) { - // There is room above the buffer and there are no empty elements below the line, - // scroll up - this.ybase--; - addToY++; - if (this.ydisp > 0) { - // Viewport is at the top of the buffer, must increase downwards - this.ydisp--; - } - } - else { - // Add a blank line if there is no buffer left at the top to scroll to, or if there - // are blank lines after the cursor - this.lines.push(this.blankLine()); - } - } - if (this.children.length < y) { - this.insertRow(); - } - } - } - else { - while (j-- > y) { - if (this.lines.length > y + this.ybase) { - if (this.lines.length > this.ybase + this.y + 1) { - // The line is a blank line below the cursor, remove it - this.lines.pop(); - } - else { - // The line is the cursor, scroll down - this.ybase++; - this.ydisp++; - } - } - if (this.children.length > y) { - el = this.children.shift(); - if (!el) - continue; - el.parentNode.removeChild(el); - } - } - } - this.rows = y; - // Make sure that the cursor stays on screen - if (this.y >= y) { - this.y = y - 1; - } - if (addToY) { - this.y += addToY; - } - if (this.x >= x) { - this.x = x - 1; - } - this.scrollTop = 0; - this.scrollBottom = y - 1; - this.refresh(0, this.rows - 1); - this.normal = null; - this.geometry = [this.cols, this.rows]; - this.emit('resize', { terminal: this, cols: x, rows: y }); -}; -/** - * Updates the range of rows to refresh - * @param {number} y The number of rows to refresh next. - */ -Terminal.prototype.updateRange = function (y) { - if (y < this.refreshStart) - this.refreshStart = y; - if (y > this.refreshEnd) - this.refreshEnd = y; - // if (y > this.refreshEnd) { - // this.refreshEnd = y; - // if (y > this.rows - 1) { - // this.refreshEnd = this.rows - 1; - // } - // } -}; -/** - * Set the range of refreshing to the maximum value - */ -Terminal.prototype.maxRange = function () { - this.refreshStart = 0; - this.refreshEnd = this.rows - 1; -}; -/** - * Setup the tab stops. - * @param {number} i - */ -Terminal.prototype.setupStops = function (i) { - if (i != null) { - if (!this.tabs[i]) { - i = this.prevStop(i); - } - } - else { - this.tabs = {}; - i = 0; - } - for (; i < this.cols; i += 8) { - this.tabs[i] = true; - } -}; -/** - * Move the cursor to the previous tab stop from the given position (default is current). - * @param {number} x The position to move the cursor to the previous tab stop. - */ -Terminal.prototype.prevStop = function (x) { - if (x == null) - x = this.x; - while (!this.tabs[--x] && x > 0) - ; - return x >= this.cols - ? this.cols - 1 - : x < 0 ? 0 : x; -}; -/** - * Move the cursor one tab stop forward from the given position (default is current). - * @param {number} x The position to move the cursor one tab stop forward. - */ -Terminal.prototype.nextStop = function (x) { - if (x == null) - x = this.x; - while (!this.tabs[++x] && x < this.cols) - ; - return x >= this.cols - ? this.cols - 1 - : x < 0 ? 0 : x; -}; -/** - * Erase in the identified line everything from "x" to the end of the line (right). - * @param {number} x The column from which to start erasing to the end of the line. - * @param {number} y The line in which to operate. - */ -Terminal.prototype.eraseRight = function (x, y) { - var line = this.lines[this.ybase + y], ch = [this.eraseAttr(), ' ', 1]; // xterm - for (; x < this.cols; x++) { - line[x] = ch; - } - this.updateRange(y); -}; -/** - * Erase in the identified line everything from "x" to the start of the line (left). - * @param {number} x The column from which to start erasing to the start of the line. - * @param {number} y The line in which to operate. - */ -Terminal.prototype.eraseLeft = function (x, y) { - var line = this.lines[this.ybase + y], ch = [this.eraseAttr(), ' ', 1]; // xterm - x++; - while (x--) - line[x] = ch; - this.updateRange(y); -}; -/** - * Clears the entire buffer, making the prompt line the new first line. - */ -Terminal.prototype.clear = function () { - if (this.ybase === 0 && this.y === 0) { - // Don't clear if it's already clear - return; - } - this.lines = [this.lines[this.ybase + this.y]]; - this.ydisp = 0; - this.ybase = 0; - this.y = 0; - for (var i = 1; i < this.rows; i++) { - this.lines.push(this.blankLine()); - } - this.refresh(0, this.rows - 1); - this.emit('scroll', this.ydisp); -}; -/** - * Erase all content in the given line - * @param {number} y The line to erase all of its contents. - */ -Terminal.prototype.eraseLine = function (y) { - this.eraseRight(0, y); -}; -/** - * Return the data array of a blank line/ - * @param {number} cur First bunch of data for each "blank" character. - */ -Terminal.prototype.blankLine = function (cur) { - var attr = cur - ? this.eraseAttr() - : this.defAttr; - var ch = [attr, ' ', 1] // width defaults to 1 halfwidth character - , line = [], i = 0; - for (; i < this.cols; i++) { - line[i] = ch; - } - return line; -}; -/** - * If cur return the back color xterm feature attribute. Else return defAttr. - * @param {object} cur - */ -Terminal.prototype.ch = function (cur) { - return cur - ? [this.eraseAttr(), ' ', 1] - : [this.defAttr, ' ', 1]; -}; -/** - * Evaluate if the current erminal is the given argument. - * @param {object} term The terminal to evaluate - */ -Terminal.prototype.is = function (term) { - var name = this.termName; - return (name + '').indexOf(term) === 0; -}; -/** - * Emit the 'data' event and populate the given data. - * @param {string} data The data to populate in the event. - */ -Terminal.prototype.handler = function (data) { - // Input is being sent to the terminal, the terminal should focus the prompt. - if (this.ybase !== this.ydisp) { - this.scrollToBottom(); - } - this.emit('data', data); -}; -/** - * Emit the 'title' event and populate the given title. - * @param {string} title The title to populate in the event. - */ -Terminal.prototype.handleTitle = function (title) { - /** - * This event is emitted when the title of the terminal is changed - * from inside the terminal. The parameter is the new title. - * - * @event title - */ - this.emit('title', title); -}; -/** - * ESC - */ -/** - * ESC D Index (IND is 0x84). - */ -Terminal.prototype.index = function () { - this.y++; - if (this.y > this.scrollBottom) { - this.y--; - this.scroll(); - } - this.state = normal; -}; -/** - * ESC M Reverse Index (RI is 0x8d). - */ -Terminal.prototype.reverseIndex = function () { - var j; - this.y--; - if (this.y < this.scrollTop) { - this.y++; - // possibly move the code below to term.reverseScroll(); - // test: echo -ne '\e[1;1H\e[44m\eM\e[0m' - // blankLine(true) is xterm/linux behavior - this.lines.splice(this.y + this.ybase, 0, this.blankLine(true)); - j = this.rows - 1 - this.scrollBottom; - this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1); - // this.maxRange(); - this.updateRange(this.scrollTop); - this.updateRange(this.scrollBottom); - } - this.state = normal; -}; -/** - * ESC c Full Reset (RIS). - */ -Terminal.prototype.reset = function () { - this.options.rows = this.rows; - this.options.cols = this.cols; - var customKeydownHandler = this.customKeydownHandler; - Terminal.call(this, this.options); - this.customKeydownHandler = customKeydownHandler; - this.refresh(0, this.rows - 1); - this.viewport.syncScrollArea(); -}; -/** - * ESC H Tab Set (HTS is 0x88). - */ -Terminal.prototype.tabSet = function () { - this.tabs[this.x] = true; - this.state = normal; -}; -/** - * CSI - */ -/** - * CSI Ps A - * Cursor Up Ps Times (default = 1) (CUU). - */ -Terminal.prototype.cursorUp = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.y -= param; - if (this.y < 0) - this.y = 0; -}; -/** - * CSI Ps B - * Cursor Down Ps Times (default = 1) (CUD). - */ -Terminal.prototype.cursorDown = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.y += param; - if (this.y >= this.rows) { - this.y = this.rows - 1; - } -}; -/** - * CSI Ps C - * Cursor Forward Ps Times (default = 1) (CUF). - */ -Terminal.prototype.cursorForward = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.x += param; - if (this.x >= this.cols) { - this.x = this.cols - 1; - } -}; -/** - * CSI Ps D - * Cursor Backward Ps Times (default = 1) (CUB). - */ -Terminal.prototype.cursorBackward = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.x -= param; - if (this.x < 0) - this.x = 0; -}; -/** - * CSI Ps ; Ps H - * Cursor Position [row;column] (default = [1,1]) (CUP). - */ -Terminal.prototype.cursorPos = function (params) { - var row, col; - row = params[0] - 1; - if (params.length >= 2) { - col = params[1] - 1; - } - else { - col = 0; - } - if (row < 0) { - row = 0; - } - else if (row >= this.rows) { - row = this.rows - 1; - } - if (col < 0) { - col = 0; - } - else if (col >= this.cols) { - col = this.cols - 1; - } - this.x = col; - this.y = row; -}; -/** - * CSI Ps J Erase in Display (ED). - * Ps = 0 -> Erase Below (default). - * Ps = 1 -> Erase Above. - * Ps = 2 -> Erase All. - * Ps = 3 -> Erase Saved Lines (xterm). - * CSI ? Ps J - * Erase in Display (DECSED). - * Ps = 0 -> Selective Erase Below (default). - * Ps = 1 -> Selective Erase Above. - * Ps = 2 -> Selective Erase All. - */ -Terminal.prototype.eraseInDisplay = function (params) { - var j; - switch (params[0]) { - case 0: - this.eraseRight(this.x, this.y); - j = this.y + 1; - for (; j < this.rows; j++) { - this.eraseLine(j); - } - break; - case 1: - this.eraseLeft(this.x, this.y); - j = this.y; - while (j--) { - this.eraseLine(j); - } - break; - case 2: - j = this.rows; - while (j--) - this.eraseLine(j); - break; - case 3: - ; // no saved lines - break; - } -}; -/** - * CSI Ps K Erase in Line (EL). - * Ps = 0 -> Erase to Right (default). - * Ps = 1 -> Erase to Left. - * Ps = 2 -> Erase All. - * CSI ? Ps K - * Erase in Line (DECSEL). - * Ps = 0 -> Selective Erase to Right (default). - * Ps = 1 -> Selective Erase to Left. - * Ps = 2 -> Selective Erase All. - */ -Terminal.prototype.eraseInLine = function (params) { - switch (params[0]) { - case 0: - this.eraseRight(this.x, this.y); - break; - case 1: - this.eraseLeft(this.x, this.y); - break; - case 2: - this.eraseLine(this.y); - break; - } -}; -/** - * CSI Pm m Character Attributes (SGR). - * Ps = 0 -> Normal (default). - * Ps = 1 -> Bold. - * Ps = 4 -> Underlined. - * Ps = 5 -> Blink (appears as Bold). - * Ps = 7 -> Inverse. - * Ps = 8 -> Invisible, i.e., hidden (VT300). - * Ps = 2 2 -> Normal (neither bold nor faint). - * Ps = 2 4 -> Not underlined. - * Ps = 2 5 -> Steady (not blinking). - * Ps = 2 7 -> Positive (not inverse). - * Ps = 2 8 -> Visible, i.e., not hidden (VT300). - * Ps = 3 0 -> Set foreground color to Black. - * Ps = 3 1 -> Set foreground color to Red. - * Ps = 3 2 -> Set foreground color to Green. - * Ps = 3 3 -> Set foreground color to Yellow. - * Ps = 3 4 -> Set foreground color to Blue. - * Ps = 3 5 -> Set foreground color to Magenta. - * Ps = 3 6 -> Set foreground color to Cyan. - * Ps = 3 7 -> Set foreground color to White. - * Ps = 3 9 -> Set foreground color to default (original). - * Ps = 4 0 -> Set background color to Black. - * Ps = 4 1 -> Set background color to Red. - * Ps = 4 2 -> Set background color to Green. - * Ps = 4 3 -> Set background color to Yellow. - * Ps = 4 4 -> Set background color to Blue. - * Ps = 4 5 -> Set background color to Magenta. - * Ps = 4 6 -> Set background color to Cyan. - * Ps = 4 7 -> Set background color to White. - * Ps = 4 9 -> Set background color to default (original). - * - * If 16-color support is compiled, the following apply. Assume - * that xterm's resources are set so that the ISO color codes are - * the first 8 of a set of 16. Then the aixterm colors are the - * bright versions of the ISO colors: - * Ps = 9 0 -> Set foreground color to Black. - * Ps = 9 1 -> Set foreground color to Red. - * Ps = 9 2 -> Set foreground color to Green. - * Ps = 9 3 -> Set foreground color to Yellow. - * Ps = 9 4 -> Set foreground color to Blue. - * Ps = 9 5 -> Set foreground color to Magenta. - * Ps = 9 6 -> Set foreground color to Cyan. - * Ps = 9 7 -> Set foreground color to White. - * Ps = 1 0 0 -> Set background color to Black. - * Ps = 1 0 1 -> Set background color to Red. - * Ps = 1 0 2 -> Set background color to Green. - * Ps = 1 0 3 -> Set background color to Yellow. - * Ps = 1 0 4 -> Set background color to Blue. - * Ps = 1 0 5 -> Set background color to Magenta. - * Ps = 1 0 6 -> Set background color to Cyan. - * Ps = 1 0 7 -> Set background color to White. - * - * If xterm is compiled with the 16-color support disabled, it - * supports the following, from rxvt: - * Ps = 1 0 0 -> Set foreground and background color to - * default. - * - * If 88- or 256-color support is compiled, the following apply. - * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second - * Ps. - * Ps = 4 8 ; 5 ; Ps -> Set background color to the second - * Ps. - */ -Terminal.prototype.charAttributes = function (params) { - // Optimize a single SGR0. - if (params.length === 1 && params[0] === 0) { - this.curAttr = this.defAttr; - return; - } - var l = params.length, i = 0, flags = this.curAttr >> 18, fg = (this.curAttr >> 9) & 0x1ff, bg = this.curAttr & 0x1ff, p; - for (; i < l; i++) { - p = params[i]; - if (p >= 30 && p <= 37) { - // fg color 8 - fg = p - 30; - } - else if (p >= 40 && p <= 47) { - // bg color 8 - bg = p - 40; - } - else if (p >= 90 && p <= 97) { - // fg color 16 - p += 8; - fg = p - 90; - } - else if (p >= 100 && p <= 107) { - // bg color 16 - p += 8; - bg = p - 100; - } - else if (p === 0) { - // default - flags = this.defAttr >> 18; - fg = (this.defAttr >> 9) & 0x1ff; - bg = this.defAttr & 0x1ff; - } - else if (p === 1) { - // bold text - flags |= 1; - } - else if (p === 4) { - // underlined text - flags |= 2; - } - else if (p === 5) { - // blink - flags |= 4; - } - else if (p === 7) { - // inverse and positive - // test with: echo -e '\e[31m\e[42mhello\e[7mworld\e[27mhi\e[m' - flags |= 8; - } - else if (p === 8) { - // invisible - flags |= 16; - } - else if (p === 22) { - // not bold - flags &= ~1; - } - else if (p === 24) { - // not underlined - flags &= ~2; - } - else if (p === 25) { - // not blink - flags &= ~4; - } - else if (p === 27) { - // not inverse - flags &= ~8; - } - else if (p === 28) { - // not invisible - flags &= ~16; - } - else if (p === 39) { - // reset fg - fg = (this.defAttr >> 9) & 0x1ff; - } - else if (p === 49) { - // reset bg - bg = this.defAttr & 0x1ff; - } - else if (p === 38) { - // fg color 256 - if (params[i + 1] === 2) { - i += 2; - fg = matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff); - if (fg === -1) - fg = 0x1ff; - i += 2; - } - else if (params[i + 1] === 5) { - i += 2; - p = params[i] & 0xff; - fg = p; - } - } - else if (p === 48) { - // bg color 256 - if (params[i + 1] === 2) { - i += 2; - bg = matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff); - if (bg === -1) - bg = 0x1ff; - i += 2; - } - else if (params[i + 1] === 5) { - i += 2; - p = params[i] & 0xff; - bg = p; - } - } - else if (p === 100) { - // reset fg/bg - fg = (this.defAttr >> 9) & 0x1ff; - bg = this.defAttr & 0x1ff; - } - else { - this.error('Unknown SGR attribute: %d.', p); - } - } - this.curAttr = (flags << 18) | (fg << 9) | bg; -}; -/** - * CSI Ps n Device Status Report (DSR). - * Ps = 5 -> Status Report. Result (``OK'') is - * CSI 0 n - * Ps = 6 -> Report Cursor Position (CPR) [row;column]. - * Result is - * CSI r ; c R - * CSI ? Ps n - * Device Status Report (DSR, DEC-specific). - * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI - * ? r ; c R (assumes page is zero). - * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready). - * or CSI ? 1 1 n (not ready). - * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked) - * or CSI ? 2 1 n (locked). - * Ps = 2 6 -> Report Keyboard status as - * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American). - * The last two parameters apply to VT400 & up, and denote key- - * board ready and LK01 respectively. - * Ps = 5 3 -> Report Locator status as - * CSI ? 5 3 n Locator available, if compiled-in, or - * CSI ? 5 0 n No Locator, if not. - */ -Terminal.prototype.deviceStatus = function (params) { - if (!this.prefix) { - switch (params[0]) { - case 5: - // status report - this.send('\x1b[0n'); - break; - case 6: - // cursor position - this.send('\x1b[' - + (this.y + 1) - + ';' - + (this.x + 1) - + 'R'); - break; - } - } - else if (this.prefix === '?') { - // modern xterm doesnt seem to - // respond to any of these except ?6, 6, and 5 - switch (params[0]) { - case 6: - // cursor position - this.send('\x1b[?' - + (this.y + 1) - + ';' - + (this.x + 1) - + 'R'); - break; - case 15: - // no printer - // this.send('\x1b[?11n'); - break; - case 25: - // dont support user defined keys - // this.send('\x1b[?21n'); - break; - case 26: - // north american keyboard - // this.send('\x1b[?27;1;0;0n'); - break; - case 53: - // no dec locator/mouse - // this.send('\x1b[?50n'); - break; - } - } -}; -/** - * Additions - */ -/** - * CSI Ps @ - * Insert Ps (Blank) Character(s) (default = 1) (ICH). - */ -Terminal.prototype.insertChars = function (params) { - var param, row, j, ch; - param = params[0]; - if (param < 1) - param = 1; - row = this.y + this.ybase; - j = this.x; - ch = [this.eraseAttr(), ' ', 1]; // xterm - while (param-- && j < this.cols) { - this.lines[row].splice(j++, 0, ch); - this.lines[row].pop(); - } -}; -/** - * CSI Ps E - * Cursor Next Line Ps Times (default = 1) (CNL). - * same as CSI Ps B ? - */ -Terminal.prototype.cursorNextLine = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.y += param; - if (this.y >= this.rows) { - this.y = this.rows - 1; - } - this.x = 0; -}; -/** - * CSI Ps F - * Cursor Preceding Line Ps Times (default = 1) (CNL). - * reuse CSI Ps A ? - */ -Terminal.prototype.cursorPrecedingLine = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.y -= param; - if (this.y < 0) - this.y = 0; - this.x = 0; -}; -/** - * CSI Ps G - * Cursor Character Absolute [column] (default = [row,1]) (CHA). - */ -Terminal.prototype.cursorCharAbsolute = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.x = param - 1; -}; -/** - * CSI Ps L - * Insert Ps Line(s) (default = 1) (IL). - */ -Terminal.prototype.insertLines = function (params) { - var param, row, j; - param = params[0]; - if (param < 1) - param = 1; - row = this.y + this.ybase; - j = this.rows - 1 - this.scrollBottom; - j = this.rows - 1 + this.ybase - j + 1; - while (param--) { - // test: echo -e '\e[44m\e[1L\e[0m' - // blankLine(true) - xterm/linux behavior - this.lines.splice(row, 0, this.blankLine(true)); - this.lines.splice(j, 1); - } - // this.maxRange(); - this.updateRange(this.y); - this.updateRange(this.scrollBottom); -}; -/** - * CSI Ps M - * Delete Ps Line(s) (default = 1) (DL). - */ -Terminal.prototype.deleteLines = function (params) { - var param, row, j; - param = params[0]; - if (param < 1) - param = 1; - row = this.y + this.ybase; - j = this.rows - 1 - this.scrollBottom; - j = this.rows - 1 + this.ybase - j; - while (param--) { - // test: echo -e '\e[44m\e[1M\e[0m' - // blankLine(true) - xterm/linux behavior - this.lines.splice(j + 1, 0, this.blankLine(true)); - this.lines.splice(row, 1); - } - // this.maxRange(); - this.updateRange(this.y); - this.updateRange(this.scrollBottom); -}; -/** - * CSI Ps P - * Delete Ps Character(s) (default = 1) (DCH). - */ -Terminal.prototype.deleteChars = function (params) { - var param, row, ch; - param = params[0]; - if (param < 1) - param = 1; - row = this.y + this.ybase; - ch = [this.eraseAttr(), ' ', 1]; // xterm - while (param--) { - this.lines[row].splice(this.x, 1); - this.lines[row].push(ch); - } -}; -/** - * CSI Ps X - * Erase Ps Character(s) (default = 1) (ECH). - */ -Terminal.prototype.eraseChars = function (params) { - var param, row, j, ch; - param = params[0]; - if (param < 1) - param = 1; - row = this.y + this.ybase; - j = this.x; - ch = [this.eraseAttr(), ' ', 1]; // xterm - while (param-- && j < this.cols) { - this.lines[row][j++] = ch; - } -}; -/** - * CSI Pm ` Character Position Absolute - * [column] (default = [row,1]) (HPA). - */ -Terminal.prototype.charPosAbsolute = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.x = param - 1; - if (this.x >= this.cols) { - this.x = this.cols - 1; - } -}; -/** - * 141 61 a * HPR - - * Horizontal Position Relative - * reuse CSI Ps C ? - */ -Terminal.prototype.HPositionRelative = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.x += param; - if (this.x >= this.cols) { - this.x = this.cols - 1; - } -}; -/** - * CSI Ps c Send Device Attributes (Primary DA). - * Ps = 0 or omitted -> request attributes from terminal. The - * response depends on the decTerminalID resource setting. - * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'') - * -> CSI ? 1 ; 0 c (``VT101 with No Options'') - * -> CSI ? 6 c (``VT102'') - * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'') - * The VT100-style response parameters do not mean anything by - * themselves. VT220 parameters do, telling the host what fea- - * tures the terminal supports: - * Ps = 1 -> 132-columns. - * Ps = 2 -> Printer. - * Ps = 6 -> Selective erase. - * Ps = 8 -> User-defined keys. - * Ps = 9 -> National replacement character sets. - * Ps = 1 5 -> Technical characters. - * Ps = 2 2 -> ANSI color, e.g., VT525. - * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode). - * CSI > Ps c - * Send Device Attributes (Secondary DA). - * Ps = 0 or omitted -> request the terminal's identification - * code. The response depends on the decTerminalID resource set- - * ting. It should apply only to VT220 and up, but xterm extends - * this to VT100. - * -> CSI > Pp ; Pv ; Pc c - * where Pp denotes the terminal type - * Pp = 0 -> ``VT100''. - * Pp = 1 -> ``VT220''. - * and Pv is the firmware version (for xterm, this was originally - * the XFree86 patch number, starting with 95). In a DEC termi- - * nal, Pc indicates the ROM cartridge registration number and is - * always zero. - * More information: - * xterm/charproc.c - line 2012, for more information. - * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?) - */ -Terminal.prototype.sendDeviceAttributes = function (params) { - if (params[0] > 0) - return; - if (!this.prefix) { - if (this.is('xterm') - || this.is('rxvt-unicode') - || this.is('screen')) { - this.send('\x1b[?1;2c'); - } - else if (this.is('linux')) { - this.send('\x1b[?6c'); - } - } - else if (this.prefix === '>') { - // xterm and urxvt - // seem to spit this - // out around ~370 times (?). - if (this.is('xterm')) { - this.send('\x1b[>0;276;0c'); - } - else if (this.is('rxvt-unicode')) { - this.send('\x1b[>85;95;0c'); - } - else if (this.is('linux')) { - // not supported by linux console. - // linux console echoes parameters. - this.send(params[0] + 'c'); - } - else if (this.is('screen')) { - this.send('\x1b[>83;40003;0c'); - } - } -}; -/** - * CSI Pm d - * Line Position Absolute [row] (default = [1,column]) (VPA). - */ -Terminal.prototype.linePosAbsolute = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.y = param - 1; - if (this.y >= this.rows) { - this.y = this.rows - 1; - } -}; -/** - * 145 65 e * VPR - Vertical Position Relative - * reuse CSI Ps B ? - */ -Terminal.prototype.VPositionRelative = function (params) { - var param = params[0]; - if (param < 1) - param = 1; - this.y += param; - if (this.y >= this.rows) { - this.y = this.rows - 1; - } -}; -/** - * CSI Ps ; Ps f - * Horizontal and Vertical Position [row;column] (default = - * [1,1]) (HVP). - */ -Terminal.prototype.HVPosition = function (params) { - if (params[0] < 1) - params[0] = 1; - if (params[1] < 1) - params[1] = 1; - this.y = params[0] - 1; - if (this.y >= this.rows) { - this.y = this.rows - 1; - } - this.x = params[1] - 1; - if (this.x >= this.cols) { - this.x = this.cols - 1; - } -}; -/** - * CSI Pm h Set Mode (SM). - * Ps = 2 -> Keyboard Action Mode (AM). - * Ps = 4 -> Insert Mode (IRM). - * Ps = 1 2 -> Send/receive (SRM). - * Ps = 2 0 -> Automatic Newline (LNM). - * CSI ? Pm h - * DEC Private Mode Set (DECSET). - * Ps = 1 -> Application Cursor Keys (DECCKM). - * Ps = 2 -> Designate USASCII for character sets G0-G3 - * (DECANM), and set VT100 mode. - * Ps = 3 -> 132 Column Mode (DECCOLM). - * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM). - * Ps = 5 -> Reverse Video (DECSCNM). - * Ps = 6 -> Origin Mode (DECOM). - * Ps = 7 -> Wraparound Mode (DECAWM). - * Ps = 8 -> Auto-repeat Keys (DECARM). - * Ps = 9 -> Send Mouse X & Y on button press. See the sec- - * tion Mouse Tracking. - * Ps = 1 0 -> Show toolbar (rxvt). - * Ps = 1 2 -> Start Blinking Cursor (att610). - * Ps = 1 8 -> Print form feed (DECPFF). - * Ps = 1 9 -> Set print extent to full screen (DECPEX). - * Ps = 2 5 -> Show Cursor (DECTCEM). - * Ps = 3 0 -> Show scrollbar (rxvt). - * Ps = 3 5 -> Enable font-shifting functions (rxvt). - * Ps = 3 8 -> Enter Tektronix Mode (DECTEK). - * Ps = 4 0 -> Allow 80 -> 132 Mode. - * Ps = 4 1 -> more(1) fix (see curses resource). - * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN- - * RCM). - * Ps = 4 4 -> Turn On Margin Bell. - * Ps = 4 5 -> Reverse-wraparound Mode. - * Ps = 4 6 -> Start Logging. This is normally disabled by a - * compile-time option. - * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis- - * abled by the titeInhibit resource). - * Ps = 6 6 -> Application keypad (DECNKM). - * Ps = 6 7 -> Backarrow key sends backspace (DECBKM). - * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and - * release. See the section Mouse Tracking. - * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking. - * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking. - * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking. - * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events. - * Ps = 1 0 0 5 -> Enable Extended Mouse Mode. - * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt). - * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt). - * Ps = 1 0 3 4 -> Interpret "meta" key, sets eighth bit. - * (enables the eightBitInput resource). - * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num- - * Lock keys. (This enables the numLock resource). - * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This - * enables the metaSendsEscape resource). - * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete - * key. - * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This - * enables the altSendsEscape resource). - * Ps = 1 0 4 0 -> Keep selection even if not highlighted. - * (This enables the keepSelection resource). - * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables - * the selectToClipboard resource). - * Ps = 1 0 4 2 -> Enable Urgency window manager hint when - * Control-G is received. (This enables the bellIsUrgent - * resource). - * Ps = 1 0 4 3 -> Enable raising of the window when Control-G - * is received. (enables the popOnBell resource). - * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be - * disabled by the titeInhibit resource). - * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis- - * abled by the titeInhibit resource). - * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate - * Screen Buffer, clearing it first. (This may be disabled by - * the titeInhibit resource). This combines the effects of the 1 - * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based - * applications rather than the 4 7 mode. - * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode. - * Ps = 1 0 5 1 -> Set Sun function-key mode. - * Ps = 1 0 5 2 -> Set HP function-key mode. - * Ps = 1 0 5 3 -> Set SCO function-key mode. - * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6). - * Ps = 1 0 6 1 -> Set VT220 keyboard emulation. - * Ps = 2 0 0 4 -> Set bracketed paste mode. - * Modes: - * http: *vt100.net/docs/vt220-rm/chapter4.html - */ -Terminal.prototype.setMode = function (params) { - if (typeof params === 'object') { - var l = params.length, i = 0; - for (; i < l; i++) { - this.setMode(params[i]); - } - return; - } - if (!this.prefix) { - switch (params) { - case 4: - this.insertMode = true; - break; - case 20: - //this.convertEol = true; - break; - } - } - else if (this.prefix === '?') { - switch (params) { - case 1: - this.applicationCursor = true; - break; - case 2: - this.setgCharset(0, Terminal.charsets.US); - this.setgCharset(1, Terminal.charsets.US); - this.setgCharset(2, Terminal.charsets.US); - this.setgCharset(3, Terminal.charsets.US); - // set VT100 mode here - break; - case 3: - this.savedCols = this.cols; - this.resize(132, this.rows); - break; - case 6: - this.originMode = true; - break; - case 7: - this.wraparoundMode = true; - break; - case 12: - // this.cursorBlink = true; - break; - case 66: - this.log('Serial port requested application keypad.'); - this.applicationKeypad = true; - this.viewport.syncScrollArea(); - break; - case 9: // X10 Mouse - // no release, no motion, no wheel, no modifiers. - case 1000: // vt200 mouse - // no motion. - // no modifiers, except control on the wheel. - case 1002: // button event mouse - case 1003: - // any event - sends motion events, - // even if there is no button held down. - this.x10Mouse = params === 9; - this.vt200Mouse = params === 1000; - this.normalMouse = params > 1000; - this.mouseEvents = true; - this.element.style.cursor = 'default'; - this.log('Binding to mouse events.'); - break; - case 1004: - // focusin: ^[[I - // focusout: ^[[O - this.sendFocus = true; - break; - case 1005: - this.utfMouse = true; - // for wide terminals - // simply encodes large values as utf8 characters - break; - case 1006: - this.sgrMouse = true; - // for wide terminals - // does not add 32 to fields - // press: ^[[ Keyboard Action Mode (AM). - * Ps = 4 -> Replace Mode (IRM). - * Ps = 1 2 -> Send/receive (SRM). - * Ps = 2 0 -> Normal Linefeed (LNM). - * CSI ? Pm l - * DEC Private Mode Reset (DECRST). - * Ps = 1 -> Normal Cursor Keys (DECCKM). - * Ps = 2 -> Designate VT52 mode (DECANM). - * Ps = 3 -> 80 Column Mode (DECCOLM). - * Ps = 4 -> Jump (Fast) Scroll (DECSCLM). - * Ps = 5 -> Normal Video (DECSCNM). - * Ps = 6 -> Normal Cursor Mode (DECOM). - * Ps = 7 -> No Wraparound Mode (DECAWM). - * Ps = 8 -> No Auto-repeat Keys (DECARM). - * Ps = 9 -> Don't send Mouse X & Y on button press. - * Ps = 1 0 -> Hide toolbar (rxvt). - * Ps = 1 2 -> Stop Blinking Cursor (att610). - * Ps = 1 8 -> Don't print form feed (DECPFF). - * Ps = 1 9 -> Limit print to scrolling region (DECPEX). - * Ps = 2 5 -> Hide Cursor (DECTCEM). - * Ps = 3 0 -> Don't show scrollbar (rxvt). - * Ps = 3 5 -> Disable font-shifting functions (rxvt). - * Ps = 4 0 -> Disallow 80 -> 132 Mode. - * Ps = 4 1 -> No more(1) fix (see curses resource). - * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC- - * NRCM). - * Ps = 4 4 -> Turn Off Margin Bell. - * Ps = 4 5 -> No Reverse-wraparound Mode. - * Ps = 4 6 -> Stop Logging. (This is normally disabled by a - * compile-time option). - * Ps = 4 7 -> Use Normal Screen Buffer. - * Ps = 6 6 -> Numeric keypad (DECNKM). - * Ps = 6 7 -> Backarrow key sends delete (DECBKM). - * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and - * release. See the section Mouse Tracking. - * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking. - * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking. - * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking. - * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events. - * Ps = 1 0 0 5 -> Disable Extended Mouse Mode. - * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output - * (rxvt). - * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt). - * Ps = 1 0 3 4 -> Don't interpret "meta" key. (This disables - * the eightBitInput resource). - * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num- - * Lock keys. (This disables the numLock resource). - * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key. - * (This disables the metaSendsEscape resource). - * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad - * Delete key. - * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key. - * (This disables the altSendsEscape resource). - * Ps = 1 0 4 0 -> Do not keep selection when not highlighted. - * (This disables the keepSelection resource). - * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables - * the selectToClipboard resource). - * Ps = 1 0 4 2 -> Disable Urgency window manager hint when - * Control-G is received. (This disables the bellIsUrgent - * resource). - * Ps = 1 0 4 3 -> Disable raising of the window when Control- - * G is received. (This disables the popOnBell resource). - * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen - * first if in the Alternate Screen. (This may be disabled by - * the titeInhibit resource). - * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be - * disabled by the titeInhibit resource). - * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor - * as in DECRC. (This may be disabled by the titeInhibit - * resource). This combines the effects of the 1 0 4 7 and 1 0 - * 4 8 modes. Use this with terminfo-based applications rather - * than the 4 7 mode. - * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode. - * Ps = 1 0 5 1 -> Reset Sun function-key mode. - * Ps = 1 0 5 2 -> Reset HP function-key mode. - * Ps = 1 0 5 3 -> Reset SCO function-key mode. - * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6). - * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style. - * Ps = 2 0 0 4 -> Reset bracketed paste mode. - */ -Terminal.prototype.resetMode = function (params) { - if (typeof params === 'object') { - var l = params.length, i = 0; - for (; i < l; i++) { - this.resetMode(params[i]); - } - return; - } - if (!this.prefix) { - switch (params) { - case 4: - this.insertMode = false; - break; - case 20: - //this.convertEol = false; - break; - } - } - else if (this.prefix === '?') { - switch (params) { - case 1: - this.applicationCursor = false; - break; - case 3: - if (this.cols === 132 && this.savedCols) { - this.resize(this.savedCols, this.rows); - } - delete this.savedCols; - break; - case 6: - this.originMode = false; - break; - case 7: - this.wraparoundMode = false; - break; - case 12: - // this.cursorBlink = false; - break; - case 66: - this.log('Switching back to normal keypad.'); - this.applicationKeypad = false; - this.viewport.syncScrollArea(); - break; - case 9: // X10 Mouse - case 1000: // vt200 mouse - case 1002: // button event mouse - case 1003: - this.x10Mouse = false; - this.vt200Mouse = false; - this.normalMouse = false; - this.mouseEvents = false; - this.element.style.cursor = ''; - break; - case 1004: - this.sendFocus = false; - break; - case 1005: - this.utfMouse = false; - break; - case 1006: - this.sgrMouse = false; - break; - case 1015: - this.urxvtMouse = false; - break; - case 25: - this.cursorHidden = true; - break; - case 1049: - ; // FALL-THROUGH - case 47: // normal screen buffer - case 1047: - if (this.normal) { - this.lines = this.normal.lines; - this.ybase = this.normal.ybase; - this.ydisp = this.normal.ydisp; - this.x = this.normal.x; - this.y = this.normal.y; - this.scrollTop = this.normal.scrollTop; - this.scrollBottom = this.normal.scrollBottom; - this.tabs = this.normal.tabs; - this.normal = null; - // if (params === 1049) { - // this.x = this.savedX; - // this.y = this.savedY; - // } - this.refresh(0, this.rows - 1); - this.showCursor(); - } - break; - } - } -}; -/** - * CSI Ps ; Ps r - * Set Scrolling Region [top;bottom] (default = full size of win- - * dow) (DECSTBM). - * CSI ? Pm r - */ -Terminal.prototype.setScrollRegion = function (params) { - if (this.prefix) - return; - this.scrollTop = (params[0] || 1) - 1; - this.scrollBottom = (params[1] || this.rows) - 1; - this.x = 0; - this.y = 0; -}; -/** - * CSI s - * Save cursor (ANSI.SYS). - */ -Terminal.prototype.saveCursor = function (params) { - this.savedX = this.x; - this.savedY = this.y; -}; -/** - * CSI u - * Restore cursor (ANSI.SYS). - */ -Terminal.prototype.restoreCursor = function (params) { - this.x = this.savedX || 0; - this.y = this.savedY || 0; -}; -/** - * Lesser Used - */ -/** - * CSI Ps I - * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT). - */ -Terminal.prototype.cursorForwardTab = function (params) { - var param = params[0] || 1; - while (param--) { - this.x = this.nextStop(); - } -}; -/** - * CSI Ps S Scroll up Ps lines (default = 1) (SU). - */ -Terminal.prototype.scrollUp = function (params) { - var param = params[0] || 1; - while (param--) { - this.lines.splice(this.ybase + this.scrollTop, 1); - this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine()); - } - // this.maxRange(); - this.updateRange(this.scrollTop); - this.updateRange(this.scrollBottom); -}; -/** - * CSI Ps T Scroll down Ps lines (default = 1) (SD). - */ -Terminal.prototype.scrollDown = function (params) { - var param = params[0] || 1; - while (param--) { - this.lines.splice(this.ybase + this.scrollBottom, 1); - this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine()); - } - // this.maxRange(); - this.updateRange(this.scrollTop); - this.updateRange(this.scrollBottom); -}; -/** - * CSI Ps ; Ps ; Ps ; Ps ; Ps T - * Initiate highlight mouse tracking. Parameters are - * [func;startx;starty;firstrow;lastrow]. See the section Mouse - * Tracking. - */ -Terminal.prototype.initMouseTracking = function (params) { - // Relevant: DECSET 1001 -}; -/** - * CSI > Ps; Ps T - * Reset one or more features of the title modes to the default - * value. Normally, "reset" disables the feature. It is possi- - * ble to disable the ability to reset features by compiling a - * different default for the title modes into xterm. - * Ps = 0 -> Do not set window/icon labels using hexadecimal. - * Ps = 1 -> Do not query window/icon labels using hexadeci- - * mal. - * Ps = 2 -> Do not set window/icon labels using UTF-8. - * Ps = 3 -> Do not query window/icon labels using UTF-8. - * (See discussion of "Title Modes"). - */ -Terminal.prototype.resetTitleModes = function (params) { - ; -}; -/** - * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT). - */ -Terminal.prototype.cursorBackwardTab = function (params) { - var param = params[0] || 1; - while (param--) { - this.x = this.prevStop(); - } -}; -/** - * CSI Ps b Repeat the preceding graphic character Ps times (REP). - */ -Terminal.prototype.repeatPrecedingCharacter = function (params) { - var param = params[0] || 1, line = this.lines[this.ybase + this.y], ch = line[this.x - 1] || [this.defAttr, ' ', 1]; - while (param--) - line[this.x++] = ch; -}; -/** - * CSI Ps g Tab Clear (TBC). - * Ps = 0 -> Clear Current Column (default). - * Ps = 3 -> Clear All. - * Potentially: - * Ps = 2 -> Clear Stops on Line. - * http://vt100.net/annarbor/aaa-ug/section6.html - */ -Terminal.prototype.tabClear = function (params) { - var param = params[0]; - if (param <= 0) { - delete this.tabs[this.x]; - } - else if (param === 3) { - this.tabs = {}; - } -}; -/** - * CSI Pm i Media Copy (MC). - * Ps = 0 -> Print screen (default). - * Ps = 4 -> Turn off printer controller mode. - * Ps = 5 -> Turn on printer controller mode. - * CSI ? Pm i - * Media Copy (MC, DEC-specific). - * Ps = 1 -> Print line containing cursor. - * Ps = 4 -> Turn off autoprint mode. - * Ps = 5 -> Turn on autoprint mode. - * Ps = 1 0 -> Print composed display, ignores DECPEX. - * Ps = 1 1 -> Print all pages. - */ -Terminal.prototype.mediaCopy = function (params) { - ; -}; -/** - * CSI > Ps; Ps m - * Set or reset resource-values used by xterm to decide whether - * to construct escape sequences holding information about the - * modifiers pressed with a given key. The first parameter iden- - * tifies the resource to set/reset. The second parameter is the - * value to assign to the resource. If the second parameter is - * omitted, the resource is reset to its initial value. - * Ps = 1 -> modifyCursorKeys. - * Ps = 2 -> modifyFunctionKeys. - * Ps = 4 -> modifyOtherKeys. - * If no parameters are given, all resources are reset to their - * initial values. - */ -Terminal.prototype.setResources = function (params) { - ; -}; -/** - * CSI > Ps n - * Disable modifiers which may be enabled via the CSI > Ps; Ps m - * sequence. This corresponds to a resource value of "-1", which - * cannot be set with the other sequence. The parameter identi- - * fies the resource to be disabled: - * Ps = 1 -> modifyCursorKeys. - * Ps = 2 -> modifyFunctionKeys. - * Ps = 4 -> modifyOtherKeys. - * If the parameter is omitted, modifyFunctionKeys is disabled. - * When modifyFunctionKeys is disabled, xterm uses the modifier - * keys to make an extended sequence of functions rather than - * adding a parameter to each function key to denote the modi- - * fiers. - */ -Terminal.prototype.disableModifiers = function (params) { - ; -}; -/** - * CSI > Ps p - * Set resource value pointerMode. This is used by xterm to - * decide whether to hide the pointer cursor as the user types. - * Valid values for the parameter: - * Ps = 0 -> never hide the pointer. - * Ps = 1 -> hide if the mouse tracking mode is not enabled. - * Ps = 2 -> always hide the pointer. If no parameter is - * given, xterm uses the default, which is 1 . - */ -Terminal.prototype.setPointerMode = function (params) { - ; -}; -/** - * CSI ! p Soft terminal reset (DECSTR). - * http://vt100.net/docs/vt220-rm/table4-10.html - */ -Terminal.prototype.softReset = function (params) { - this.cursorHidden = false; - this.insertMode = false; - this.originMode = false; - this.wraparoundMode = false; // autowrap - this.applicationKeypad = false; // ? - this.viewport.syncScrollArea(); - this.applicationCursor = false; - this.scrollTop = 0; - this.scrollBottom = this.rows - 1; - this.curAttr = this.defAttr; - this.x = this.y = 0; // ? - this.charset = null; - this.glevel = 0; // ?? - this.charsets = [null]; // ?? -}; -/** - * CSI Ps$ p - * Request ANSI mode (DECRQM). For VT300 and up, reply is - * CSI Ps; Pm$ y - * where Ps is the mode number as in RM, and Pm is the mode - * value: - * 0 - not recognized - * 1 - set - * 2 - reset - * 3 - permanently set - * 4 - permanently reset - */ -Terminal.prototype.requestAnsiMode = function (params) { - ; -}; -/** - * CSI ? Ps$ p - * Request DEC private mode (DECRQM). For VT300 and up, reply is - * CSI ? Ps; Pm$ p - * where Ps is the mode number as in DECSET, Pm is the mode value - * as in the ANSI DECRQM. - */ -Terminal.prototype.requestPrivateMode = function (params) { - ; -}; -/** - * CSI Ps ; Ps " p - * Set conformance level (DECSCL). Valid values for the first - * parameter: - * Ps = 6 1 -> VT100. - * Ps = 6 2 -> VT200. - * Ps = 6 3 -> VT300. - * Valid values for the second parameter: - * Ps = 0 -> 8-bit controls. - * Ps = 1 -> 7-bit controls (always set for VT100). - * Ps = 2 -> 8-bit controls. - */ -Terminal.prototype.setConformanceLevel = function (params) { - ; -}; -/** - * CSI Ps q Load LEDs (DECLL). - * Ps = 0 -> Clear all LEDS (default). - * Ps = 1 -> Light Num Lock. - * Ps = 2 -> Light Caps Lock. - * Ps = 3 -> Light Scroll Lock. - * Ps = 2 1 -> Extinguish Num Lock. - * Ps = 2 2 -> Extinguish Caps Lock. - * Ps = 2 3 -> Extinguish Scroll Lock. - */ -Terminal.prototype.loadLEDs = function (params) { - ; -}; -/** - * CSI Ps SP q - * Set cursor style (DECSCUSR, VT520). - * Ps = 0 -> blinking block. - * Ps = 1 -> blinking block (default). - * Ps = 2 -> steady block. - * Ps = 3 -> blinking underline. - * Ps = 4 -> steady underline. - */ -Terminal.prototype.setCursorStyle = function (params) { - ; -}; -/** - * CSI Ps " q - * Select character protection attribute (DECSCA). Valid values - * for the parameter: - * Ps = 0 -> DECSED and DECSEL can erase (default). - * Ps = 1 -> DECSED and DECSEL cannot erase. - * Ps = 2 -> DECSED and DECSEL can erase. - */ -Terminal.prototype.setCharProtectionAttr = function (params) { - ; -}; -/** - * CSI ? Pm r - * Restore DEC Private Mode Values. The value of Ps previously - * saved is restored. Ps values are the same as for DECSET. - */ -Terminal.prototype.restorePrivateValues = function (params) { - ; -}; -/** - * CSI Pt; Pl; Pb; Pr; Ps$ r - * Change Attributes in Rectangular Area (DECCARA), VT400 and up. - * Pt; Pl; Pb; Pr denotes the rectangle. - * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7. - * NOTE: xterm doesn't enable this code by default. - */ -Terminal.prototype.setAttrInRectangle = function (params) { - var t = params[0], l = params[1], b = params[2], r = params[3], attr = params[4]; - var line, i; - for (; t < b + 1; t++) { - line = this.lines[this.ybase + t]; - for (i = l; i < r; i++) { - line[i] = [attr, line[i][1]]; - } - } - // this.maxRange(); - this.updateRange(params[0]); - this.updateRange(params[2]); -}; -/** - * CSI Pc; Pt; Pl; Pb; Pr$ x - * Fill Rectangular Area (DECFRA), VT420 and up. - * Pc is the character to use. - * Pt; Pl; Pb; Pr denotes the rectangle. - * NOTE: xterm doesn't enable this code by default. - */ -Terminal.prototype.fillRectangle = function (params) { - var ch = params[0], t = params[1], l = params[2], b = params[3], r = params[4]; - var line, i; - for (; t < b + 1; t++) { - line = this.lines[this.ybase + t]; - for (i = l; i < r; i++) { - line[i] = [line[i][0], String.fromCharCode(ch)]; - } - } - // this.maxRange(); - this.updateRange(params[1]); - this.updateRange(params[3]); -}; -/** - * CSI Ps ; Pu ' z - * Enable Locator Reporting (DECELR). - * Valid values for the first parameter: - * Ps = 0 -> Locator disabled (default). - * Ps = 1 -> Locator enabled. - * Ps = 2 -> Locator enabled for one report, then disabled. - * The second parameter specifies the coordinate unit for locator - * reports. - * Valid values for the second parameter: - * Pu = 0 <- or omitted -> default to character cells. - * Pu = 1 <- device physical pixels. - * Pu = 2 <- character cells. - */ -Terminal.prototype.enableLocatorReporting = function (params) { - var val = params[0] > 0; - //this.mouseEvents = val; - //this.decLocator = val; -}; -/** - * CSI Pt; Pl; Pb; Pr$ z - * Erase Rectangular Area (DECERA), VT400 and up. - * Pt; Pl; Pb; Pr denotes the rectangle. - * NOTE: xterm doesn't enable this code by default. - */ -Terminal.prototype.eraseRectangle = function (params) { - var t = params[0], l = params[1], b = params[2], r = params[3]; - var line, i, ch; - ch = [this.eraseAttr(), ' ', 1]; // xterm? - for (; t < b + 1; t++) { - line = this.lines[this.ybase + t]; - for (i = l; i < r; i++) { - line[i] = ch; - } - } - // this.maxRange(); - this.updateRange(params[0]); - this.updateRange(params[2]); -}; -/** - * CSI P m SP } - * Insert P s Column(s) (default = 1) (DECIC), VT420 and up. - * NOTE: xterm doesn't enable this code by default. - */ -Terminal.prototype.insertColumns = function () { - var param = params[0], l = this.ybase + this.rows, ch = [this.eraseAttr(), ' ', 1] // xterm? - , i; - while (param--) { - for (i = this.ybase; i < l; i++) { - this.lines[i].splice(this.x + 1, 0, ch); - this.lines[i].pop(); - } - } - this.maxRange(); -}; -/** - * CSI P m SP ~ - * Delete P s Column(s) (default = 1) (DECDC), VT420 and up - * NOTE: xterm doesn't enable this code by default. - */ -Terminal.prototype.deleteColumns = function () { - var param = params[0], l = this.ybase + this.rows, ch = [this.eraseAttr(), ' ', 1] // xterm? - , i; - while (param--) { - for (i = this.ybase; i < l; i++) { - this.lines[i].splice(this.x, 1); - this.lines[i].push(ch); - } - } - this.maxRange(); -}; -/** - * Character Sets - */ -Terminal.charsets = {}; -// DEC Special Character and Line Drawing Set. -// http://vt100.net/docs/vt102-ug/table5-13.html -// A lot of curses apps use this if they see TERM=xterm. -// testing: echo -e '\e(0a\e(B' -// The xterm output sometimes seems to conflict with the -// reference above. xterm seems in line with the reference -// when running vttest however. -// The table below now uses xterm's output from vttest. -Terminal.charsets.SCLD = { +Object.defineProperty(exports, "__esModule", { value: true }); +exports.CHARSETS = {}; +exports.DEFAULT_CHARSET = exports.CHARSETS['B']; +exports.CHARSETS['0'] = { '`': '\u25c6', 'a': '\u2592', 'b': '\u0009', @@ -4919,131 +34,1206 @@ Terminal.charsets.SCLD = { '{': '\u03c0', '|': '\u2260', '}': '\u00a3', - '~': '\u00b7' // '·' + '~': '\u00b7' }; -Terminal.charsets.UK = null; // (A -Terminal.charsets.US = null; // (B (USASCII) -Terminal.charsets.Dutch = null; // (4 -Terminal.charsets.Finnish = null; // (C or (5 -Terminal.charsets.French = null; // (R -Terminal.charsets.FrenchCanadian = null; // (Q -Terminal.charsets.German = null; // (K -Terminal.charsets.Italian = null; // (Y -Terminal.charsets.NorwegianDanish = null; // (E or (6 -Terminal.charsets.Spanish = null; // (Z -Terminal.charsets.Swedish = null; // (H or (7 -Terminal.charsets.Swiss = null; // (= -Terminal.charsets.ISOLatin = null; // /A -/** - * Helpers - */ -function on(el, type, handler, capture) { - if (!Array.isArray(el)) { - el = [el]; - } - el.forEach(function (element) { - element.addEventListener(type, handler, capture || false); - }); -} -function off(el, type, handler, capture) { - el.removeEventListener(type, handler, capture || false); -} -function cancel(ev, force) { - if (!this.cancelEvents && !force) { - return; - } - ev.preventDefault(); - ev.stopPropagation(); - return false; -} -function inherits(child, parent) { - function f() { - this.constructor = child; - } - f.prototype = parent.prototype; - child.prototype = new f; -} -// if bold is broken, we can't -// use it in the terminal. -function isBoldBroken(document) { - var body = document.getElementsByTagName('body')[0]; - var el = document.createElement('span'); - el.innerHTML = 'hello world'; - body.appendChild(el); - var w1 = el.scrollWidth; - el.style.fontWeight = 'bold'; - var w2 = el.scrollWidth; - body.removeChild(el); - return w1 !== w2; -} -function indexOf(obj, el) { - var i = obj.length; - while (i--) { - if (obj[i] === el) - return i; - } - return -1; -} -function isThirdLevelShift(term, ev) { - var thirdLevelKey = (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) || - (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey); - if (ev.type == 'keypress') { - return thirdLevelKey; - } - // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events) - return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47); -} -function matchColor(r1, g1, b1) { - var hash = (r1 << 16) | (g1 << 8) | b1; - if (matchColor._cache[hash] != null) { - return matchColor._cache[hash]; - } - var ldiff = Infinity, li = -1, i = 0, c, r2, g2, b2, diff; - for (; i < Terminal.vcolors.length; i++) { - c = Terminal.vcolors[i]; - r2 = c[0]; - g2 = c[1]; - b2 = c[2]; - diff = matchColor.distance(r1, g1, b1, r2, g2, b2); - if (diff === 0) { - li = i; - break; - } - if (diff < ldiff) { - ldiff = diff; - li = i; - } - } - return matchColor._cache[hash] = li; -} -matchColor._cache = {}; -// http://stackoverflow.com/questions/1633828 -matchColor.distance = function (r1, g1, b1, r2, g2, b2) { - return Math.pow(30 * (r1 - r2), 2) - + Math.pow(59 * (g1 - g2), 2) - + Math.pow(11 * (b1 - b2), 2); +exports.CHARSETS['A'] = { + '#': '£' }; -function each(obj, iter, con) { - if (obj.forEach) - return obj.forEach(iter, con); - for (var i = 0; i < obj.length; i++) { - iter.call(con, obj[i], i, obj); +exports.CHARSETS['B'] = null; +exports.CHARSETS['4'] = { + '#': '£', + '@': '¾', + '[': 'ij', + '\\': '½', + ']': '|', + '{': '¨', + '|': 'f', + '}': '¼', + '~': '´' +}; +exports.CHARSETS['C'] = + exports.CHARSETS['5'] = { + '[': 'Ä', + '\\': 'Ö', + ']': 'Å', + '^': 'Ü', + '`': 'é', + '{': 'ä', + '|': 'ö', + '}': 'å', + '~': 'ü' + }; +exports.CHARSETS['R'] = { + '#': '£', + '@': 'à', + '[': '°', + '\\': 'ç', + ']': '§', + '{': 'é', + '|': 'ù', + '}': 'è', + '~': '¨' +}; +exports.CHARSETS['Q'] = { + '@': 'à', + '[': 'â', + '\\': 'ç', + ']': 'ê', + '^': 'î', + '`': 'ô', + '{': 'é', + '|': 'ù', + '}': 'è', + '~': 'û' +}; +exports.CHARSETS['K'] = { + '@': '§', + '[': 'Ä', + '\\': 'Ö', + ']': 'Ü', + '{': 'ä', + '|': 'ö', + '}': 'ü', + '~': 'ß' +}; +exports.CHARSETS['Y'] = { + '#': '£', + '@': '§', + '[': '°', + '\\': 'ç', + ']': 'é', + '`': 'ù', + '{': 'à', + '|': 'ò', + '}': 'è', + '~': 'ì' +}; +exports.CHARSETS['E'] = + exports.CHARSETS['6'] = { + '@': 'Ä', + '[': 'Æ', + '\\': 'Ø', + ']': 'Å', + '^': 'Ü', + '`': 'ä', + '{': 'æ', + '|': 'ø', + '}': 'å', + '~': 'ü' + }; +exports.CHARSETS['Z'] = { + '#': '£', + '@': '§', + '[': '¡', + '\\': 'Ñ', + ']': '¿', + '{': '°', + '|': 'ñ', + '}': 'ç' +}; +exports.CHARSETS['H'] = + exports.CHARSETS['7'] = { + '@': 'É', + '[': 'Ä', + '\\': 'Ö', + ']': 'Å', + '^': 'Ü', + '`': 'é', + '{': 'ä', + '|': 'ö', + '}': 'å', + '~': 'ü' + }; +exports.CHARSETS['='] = { + '#': 'ù', + '@': 'à', + '[': 'é', + '\\': 'ç', + ']': 'ê', + '^': 'î', + '_': 'è', + '`': 'ô', + '{': 'ä', + '|': 'ö', + '}': 'ü', + '~': 'û' +}; + + + +},{}],2:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var CompositionHelper = (function () { + function CompositionHelper(textarea, compositionView, terminal) { + this.textarea = textarea; + this.compositionView = compositionView; + this.terminal = terminal; + this.isComposing = false; + this.isSendingComposition = false; + this.compositionPosition = { start: null, end: null }; } -} -function keys(obj) { - if (Object.keys) - return Object.keys(obj); - var key, keys = []; - for (key in obj) { - if (Object.prototype.hasOwnProperty.call(obj, key)) { - keys.push(key); + CompositionHelper.prototype.compositionstart = function () { + this.isComposing = true; + this.compositionPosition.start = this.textarea.value.length; + this.compositionView.textContent = ''; + this.compositionView.classList.add('active'); + }; + CompositionHelper.prototype.compositionupdate = function (ev) { + var _this = this; + this.compositionView.textContent = ev.data; + this.updateCompositionElements(); + setTimeout(function () { + _this.compositionPosition.end = _this.textarea.value.length; + }, 0); + }; + CompositionHelper.prototype.compositionend = function () { + this.finalizeComposition(true); + }; + CompositionHelper.prototype.keydown = function (ev) { + if (this.isComposing || this.isSendingComposition) { + if (ev.keyCode === 229) { + return false; + } + else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) { + return false; + } + else { + this.finalizeComposition(false); + } } + if (ev.keyCode === 229) { + this.handleAnyTextareaChanges(); + return false; + } + return true; + }; + CompositionHelper.prototype.finalizeComposition = function (waitForPropogation) { + var _this = this; + this.compositionView.classList.remove('active'); + this.isComposing = false; + this.clearTextareaPosition(); + if (!waitForPropogation) { + this.isSendingComposition = false; + var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end); + this.terminal.handler(input); + } + else { + var currentCompositionPosition_1 = { + start: this.compositionPosition.start, + end: this.compositionPosition.end, + }; + this.isSendingComposition = true; + setTimeout(function () { + if (_this.isSendingComposition) { + _this.isSendingComposition = false; + var input = void 0; + if (_this.isComposing) { + input = _this.textarea.value.substring(currentCompositionPosition_1.start, currentCompositionPosition_1.end); + } + else { + input = _this.textarea.value.substring(currentCompositionPosition_1.start); + } + _this.terminal.handler(input); + } + }, 0); + } + }; + CompositionHelper.prototype.handleAnyTextareaChanges = function () { + var _this = this; + var oldValue = this.textarea.value; + setTimeout(function () { + if (!_this.isComposing) { + var newValue = _this.textarea.value; + var diff = newValue.replace(oldValue, ''); + if (diff.length > 0) { + _this.terminal.handler(diff); + } + } + }, 0); + }; + CompositionHelper.prototype.updateCompositionElements = function (dontRecurse) { + var _this = this; + if (!this.isComposing) { + return; + } + var cursor = this.terminal.element.querySelector('.terminal-cursor'); + if (cursor) { + var xtermRows = this.terminal.element.querySelector('.xterm-rows'); + var cursorTop = xtermRows.offsetTop + cursor.offsetTop; + this.compositionView.style.left = cursor.offsetLeft + 'px'; + this.compositionView.style.top = cursorTop + 'px'; + this.compositionView.style.height = cursor.offsetHeight + 'px'; + this.compositionView.style.lineHeight = cursor.offsetHeight + 'px'; + var compositionViewBounds = this.compositionView.getBoundingClientRect(); + this.textarea.style.left = cursor.offsetLeft + 'px'; + this.textarea.style.top = cursorTop + 'px'; + this.textarea.style.width = compositionViewBounds.width + 'px'; + this.textarea.style.height = compositionViewBounds.height + 'px'; + this.textarea.style.lineHeight = compositionViewBounds.height + 'px'; + } + if (!dontRecurse) { + setTimeout(function () { return _this.updateCompositionElements(true); }, 0); + } + }; + ; + CompositionHelper.prototype.clearTextareaPosition = function () { + this.textarea.style.left = ''; + this.textarea.style.top = ''; + }; + ; + return CompositionHelper; +}()); +exports.CompositionHelper = CompositionHelper; + + + +},{}],3:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var C0; +(function (C0) { + C0.NUL = '\x00'; + C0.SOH = '\x01'; + C0.STX = '\x02'; + C0.ETX = '\x03'; + C0.EOT = '\x04'; + C0.ENQ = '\x05'; + C0.ACK = '\x06'; + C0.BEL = '\x07'; + C0.BS = '\x08'; + C0.HT = '\x09'; + C0.LF = '\x0a'; + C0.VT = '\x0b'; + C0.FF = '\x0c'; + C0.CR = '\x0d'; + C0.SO = '\x0e'; + C0.SI = '\x0f'; + C0.DLE = '\x10'; + C0.DC1 = '\x11'; + C0.DC2 = '\x12'; + C0.DC3 = '\x13'; + C0.DC4 = '\x14'; + C0.NAK = '\x15'; + C0.SYN = '\x16'; + C0.ETB = '\x17'; + C0.CAN = '\x18'; + C0.EM = '\x19'; + C0.SUB = '\x1a'; + C0.ESC = '\x1b'; + C0.FS = '\x1c'; + C0.GS = '\x1d'; + C0.RS = '\x1e'; + C0.US = '\x1f'; + C0.SP = '\x20'; + C0.DEL = '\x7f'; +})(C0 = exports.C0 || (exports.C0 = {})); +; + + + +},{}],4:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +; +var EventEmitter = (function () { + function EventEmitter() { + this._events = this._events || {}; } - return keys; -} + EventEmitter.prototype.on = function (type, listener) { + this._events[type] = this._events[type] || []; + this._events[type].push(listener); + }; + EventEmitter.prototype.off = function (type, listener) { + if (!this._events[type]) { + return; + } + var obj = this._events[type]; + var i = obj.length; + while (i--) { + if (obj[i] === listener || obj[i].listener === listener) { + obj.splice(i, 1); + return; + } + } + }; + EventEmitter.prototype.removeAllListeners = function (type) { + if (this._events[type]) { + delete this._events[type]; + } + }; + EventEmitter.prototype.once = function (type, listener) { + function on() { + var args = Array.prototype.slice.call(arguments); + this.off(type, on); + return listener.apply(this, args); + } + on.listener = listener; + return this.on(type, on); + }; + EventEmitter.prototype.emit = function (type) { + var args = []; + for (var _i = 1; _i < arguments.length; _i++) { + args[_i - 1] = arguments[_i]; + } + if (!this._events[type]) { + return; + } + var obj = this._events[type]; + for (var i = 0; i < obj.length; i++) { + obj[i].apply(this, args); + } + }; + EventEmitter.prototype.listeners = function (type) { + return this._events[type] || []; + }; + return EventEmitter; +}()); +exports.EventEmitter = EventEmitter; + + + +},{}],5:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var EscapeSequences_1 = require("./EscapeSequences"); +var Charsets_1 = require("./Charsets"); +var InputHandler = (function () { + function InputHandler(_terminal) { + this._terminal = _terminal; + } + InputHandler.prototype.addChar = function (char, code) { + if (char >= ' ') { + var ch_width = wcwidth(code); + if (this._terminal.charset && this._terminal.charset[char]) { + char = this._terminal.charset[char]; + } + var row = this._terminal.y + this._terminal.ybase; + if (!ch_width && this._terminal.x) { + if (this._terminal.lines.get(row)[this._terminal.x - 1]) { + if (!this._terminal.lines.get(row)[this._terminal.x - 1][2]) { + if (this._terminal.lines.get(row)[this._terminal.x - 2]) + this._terminal.lines.get(row)[this._terminal.x - 2][1] += char; + } + else { + this._terminal.lines.get(row)[this._terminal.x - 1][1] += char; + } + this._terminal.updateRange(this._terminal.y); + } + return; + } + if (this._terminal.x + ch_width - 1 >= this._terminal.cols) { + if (this._terminal.wraparoundMode) { + this._terminal.x = 0; + this._terminal.y++; + if (this._terminal.y > this._terminal.scrollBottom) { + this._terminal.y--; + this._terminal.scroll(true); + } + else { + this._terminal.lines.get(this._terminal.y).isWrapped = true; + } + } + else { + if (ch_width === 2) + return; + } + } + row = this._terminal.y + this._terminal.ybase; + if (this._terminal.insertMode) { + for (var moves = 0; moves < ch_width; ++moves) { + var removed = this._terminal.lines.get(this._terminal.y + this._terminal.ybase).pop(); + if (removed[2] === 0 + && this._terminal.lines.get(row)[this._terminal.cols - 2] + && this._terminal.lines.get(row)[this._terminal.cols - 2][2] === 2) { + this._terminal.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1]; + } + this._terminal.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]); + } + } + this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, char, ch_width]; + this._terminal.x++; + this._terminal.updateRange(this._terminal.y); + if (ch_width === 2) { + this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0]; + this._terminal.x++; + } + } + }; + InputHandler.prototype.bell = function () { + var _this = this; + if (!this._terminal.visualBell) { + return; + } + this._terminal.element.style.borderColor = 'white'; + setTimeout(function () { return _this._terminal.element.style.borderColor = ''; }, 10); + if (this._terminal.popOnBell) { + this._terminal.focus(); + } + }; + InputHandler.prototype.lineFeed = function () { + if (this._terminal.convertEol) { + this._terminal.x = 0; + } + this._terminal.y++; + if (this._terminal.y > this._terminal.scrollBottom) { + this._terminal.y--; + this._terminal.scroll(); + } + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x--; + } + }; + InputHandler.prototype.carriageReturn = function () { + this._terminal.x = 0; + }; + InputHandler.prototype.backspace = function () { + if (this._terminal.x > 0) { + this._terminal.x--; + } + }; + InputHandler.prototype.tab = function () { + this._terminal.x = this._terminal.nextStop(); + }; + InputHandler.prototype.shiftOut = function () { + this._terminal.setgLevel(1); + }; + InputHandler.prototype.shiftIn = function () { + this._terminal.setgLevel(0); + }; + InputHandler.prototype.insertChars = function (params) { + var param, row, j, ch; + param = params[0]; + if (param < 1) + param = 1; + row = this._terminal.y + this._terminal.ybase; + j = this._terminal.x; + ch = [this._terminal.eraseAttr(), ' ', 1]; + while (param-- && j < this._terminal.cols) { + this._terminal.lines.get(row).splice(j++, 0, ch); + this._terminal.lines.get(row).pop(); + } + }; + InputHandler.prototype.cursorUp = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.y -= param; + if (this._terminal.y < 0) { + this._terminal.y = 0; + } + }; + InputHandler.prototype.cursorDown = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.y += param; + if (this._terminal.y >= this._terminal.rows) { + this._terminal.y = this._terminal.rows - 1; + } + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x--; + } + }; + InputHandler.prototype.cursorForward = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.x += param; + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x = this._terminal.cols - 1; + } + }; + InputHandler.prototype.cursorBackward = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x--; + } + this._terminal.x -= param; + if (this._terminal.x < 0) { + this._terminal.x = 0; + } + }; + InputHandler.prototype.cursorNextLine = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.y += param; + if (this._terminal.y >= this._terminal.rows) { + this._terminal.y = this._terminal.rows - 1; + } + this._terminal.x = 0; + }; + ; + InputHandler.prototype.cursorPrecedingLine = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.y -= param; + if (this._terminal.y < 0) { + this._terminal.y = 0; + } + this._terminal.x = 0; + }; + ; + InputHandler.prototype.cursorCharAbsolute = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.x = param - 1; + }; + InputHandler.prototype.cursorPosition = function (params) { + var row, col; + row = params[0] - 1; + if (params.length >= 2) { + col = params[1] - 1; + } + else { + col = 0; + } + if (row < 0) { + row = 0; + } + else if (row >= this._terminal.rows) { + row = this._terminal.rows - 1; + } + if (col < 0) { + col = 0; + } + else if (col >= this._terminal.cols) { + col = this._terminal.cols - 1; + } + this._terminal.x = col; + this._terminal.y = row; + }; + InputHandler.prototype.cursorForwardTab = function (params) { + var param = params[0] || 1; + while (param--) { + this._terminal.x = this._terminal.nextStop(); + } + }; + InputHandler.prototype.eraseInDisplay = function (params) { + var j; + switch (params[0]) { + case 0: + this._terminal.eraseRight(this._terminal.x, this._terminal.y); + j = this._terminal.y + 1; + for (; j < this._terminal.rows; j++) { + this._terminal.eraseLine(j); + } + break; + case 1: + this._terminal.eraseLeft(this._terminal.x, this._terminal.y); + j = this._terminal.y; + while (j--) { + this._terminal.eraseLine(j); + } + break; + case 2: + j = this._terminal.rows; + while (j--) + this._terminal.eraseLine(j); + break; + case 3: + var scrollBackSize = this._terminal.lines.length - this._terminal.rows; + if (scrollBackSize > 0) { + this._terminal.lines.trimStart(scrollBackSize); + this._terminal.ybase = Math.max(this._terminal.ybase - scrollBackSize, 0); + this._terminal.ydisp = Math.max(this._terminal.ydisp - scrollBackSize, 0); + } + break; + } + }; + InputHandler.prototype.eraseInLine = function (params) { + switch (params[0]) { + case 0: + this._terminal.eraseRight(this._terminal.x, this._terminal.y); + break; + case 1: + this._terminal.eraseLeft(this._terminal.x, this._terminal.y); + break; + case 2: + this._terminal.eraseLine(this._terminal.y); + break; + } + }; + InputHandler.prototype.insertLines = function (params) { + var param, row, j; + param = params[0]; + if (param < 1) { + param = 1; + } + row = this._terminal.y + this._terminal.ybase; + j = this._terminal.rows - 1 - this._terminal.scrollBottom; + j = this._terminal.rows - 1 + this._terminal.ybase - j + 1; + while (param--) { + if (this._terminal.lines.length === this._terminal.lines.maxLength) { + this._terminal.lines.trimStart(1); + this._terminal.ybase--; + this._terminal.ydisp--; + row--; + j--; + } + this._terminal.lines.splice(row, 0, this._terminal.blankLine(true)); + this._terminal.lines.splice(j, 1); + } + this._terminal.updateRange(this._terminal.y); + this._terminal.updateRange(this._terminal.scrollBottom); + }; + InputHandler.prototype.deleteLines = function (params) { + var param, row, j; + param = params[0]; + if (param < 1) { + param = 1; + } + row = this._terminal.y + this._terminal.ybase; + j = this._terminal.rows - 1 - this._terminal.scrollBottom; + j = this._terminal.rows - 1 + this._terminal.ybase - j; + while (param--) { + if (this._terminal.lines.length === this._terminal.lines.maxLength) { + this._terminal.lines.trimStart(1); + this._terminal.ybase -= 1; + this._terminal.ydisp -= 1; + } + this._terminal.lines.splice(j + 1, 0, this._terminal.blankLine(true)); + this._terminal.lines.splice(row, 1); + } + this._terminal.updateRange(this._terminal.y); + this._terminal.updateRange(this._terminal.scrollBottom); + }; + InputHandler.prototype.deleteChars = function (params) { + var param, row, ch; + param = params[0]; + if (param < 1) { + param = 1; + } + row = this._terminal.y + this._terminal.ybase; + ch = [this._terminal.eraseAttr(), ' ', 1]; + while (param--) { + this._terminal.lines.get(row).splice(this._terminal.x, 1); + this._terminal.lines.get(row).push(ch); + } + }; + InputHandler.prototype.scrollUp = function (params) { + var param = params[0] || 1; + while (param--) { + this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 1); + this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine()); + } + this._terminal.updateRange(this._terminal.scrollTop); + this._terminal.updateRange(this._terminal.scrollBottom); + }; + InputHandler.prototype.scrollDown = function (params) { + var param = params[0] || 1; + while (param--) { + this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 1); + this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine()); + } + this._terminal.updateRange(this._terminal.scrollTop); + this._terminal.updateRange(this._terminal.scrollBottom); + }; + InputHandler.prototype.eraseChars = function (params) { + var param, row, j, ch; + param = params[0]; + if (param < 1) { + param = 1; + } + row = this._terminal.y + this._terminal.ybase; + j = this._terminal.x; + ch = [this._terminal.eraseAttr(), ' ', 1]; + while (param-- && j < this._terminal.cols) { + this._terminal.lines.get(row)[j++] = ch; + } + }; + InputHandler.prototype.cursorBackwardTab = function (params) { + var param = params[0] || 1; + while (param--) { + this._terminal.x = this._terminal.prevStop(); + } + }; + InputHandler.prototype.charPosAbsolute = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.x = param - 1; + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x = this._terminal.cols - 1; + } + }; + InputHandler.prototype.HPositionRelative = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.x += param; + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x = this._terminal.cols - 1; + } + }; + InputHandler.prototype.repeatPrecedingCharacter = function (params) { + var param = params[0] || 1, line = this._terminal.lines.get(this._terminal.ybase + this._terminal.y), ch = line[this._terminal.x - 1] || [this._terminal.defAttr, ' ', 1]; + while (param--) { + line[this._terminal.x++] = ch; + } + }; + InputHandler.prototype.sendDeviceAttributes = function (params) { + if (params[0] > 0) { + return; + } + if (!this._terminal.prefix) { + if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) { + this._terminal.send(EscapeSequences_1.C0.ESC + '[?1;2c'); + } + else if (this._terminal.is('linux')) { + this._terminal.send(EscapeSequences_1.C0.ESC + '[?6c'); + } + } + else if (this._terminal.prefix === '>') { + if (this._terminal.is('xterm')) { + this._terminal.send(EscapeSequences_1.C0.ESC + '[>0;276;0c'); + } + else if (this._terminal.is('rxvt-unicode')) { + this._terminal.send(EscapeSequences_1.C0.ESC + '[>85;95;0c'); + } + else if (this._terminal.is('linux')) { + this._terminal.send(params[0] + 'c'); + } + else if (this._terminal.is('screen')) { + this._terminal.send(EscapeSequences_1.C0.ESC + '[>83;40003;0c'); + } + } + }; + InputHandler.prototype.linePosAbsolute = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.y = param - 1; + if (this._terminal.y >= this._terminal.rows) { + this._terminal.y = this._terminal.rows - 1; + } + }; + InputHandler.prototype.VPositionRelative = function (params) { + var param = params[0]; + if (param < 1) { + param = 1; + } + this._terminal.y += param; + if (this._terminal.y >= this._terminal.rows) { + this._terminal.y = this._terminal.rows - 1; + } + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x--; + } + }; + InputHandler.prototype.HVPosition = function (params) { + if (params[0] < 1) + params[0] = 1; + if (params[1] < 1) + params[1] = 1; + this._terminal.y = params[0] - 1; + if (this._terminal.y >= this._terminal.rows) { + this._terminal.y = this._terminal.rows - 1; + } + this._terminal.x = params[1] - 1; + if (this._terminal.x >= this._terminal.cols) { + this._terminal.x = this._terminal.cols - 1; + } + }; + InputHandler.prototype.tabClear = function (params) { + var param = params[0]; + if (param <= 0) { + delete this._terminal.tabs[this._terminal.x]; + } + else if (param === 3) { + this._terminal.tabs = {}; + } + }; + InputHandler.prototype.setMode = function (params) { + if (params.length > 1) { + for (var i = 0; i < params.length; i++) { + this.setMode([params[i]]); + } + return; + } + if (!this._terminal.prefix) { + switch (params[0]) { + case 4: + this._terminal.insertMode = true; + break; + case 20: + break; + } + } + else if (this._terminal.prefix === '?') { + switch (params[0]) { + case 1: + this._terminal.applicationCursor = true; + break; + case 2: + this._terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET); + this._terminal.setgCharset(1, Charsets_1.DEFAULT_CHARSET); + this._terminal.setgCharset(2, Charsets_1.DEFAULT_CHARSET); + this._terminal.setgCharset(3, Charsets_1.DEFAULT_CHARSET); + break; + case 3: + this._terminal.savedCols = this._terminal.cols; + this._terminal.resize(132, this._terminal.rows); + break; + case 6: + this._terminal.originMode = true; + break; + case 7: + this._terminal.wraparoundMode = true; + break; + case 12: + break; + case 66: + this._terminal.log('Serial port requested application keypad.'); + this._terminal.applicationKeypad = true; + this._terminal.viewport.syncScrollArea(); + break; + case 9: + case 1000: + case 1002: + case 1003: + this._terminal.x10Mouse = params[0] === 9; + this._terminal.vt200Mouse = params[0] === 1000; + this._terminal.normalMouse = params[0] > 1000; + this._terminal.mouseEvents = true; + this._terminal.element.classList.add('enable-mouse-events'); + this._terminal.selectionManager.disable(); + this._terminal.log('Binding to mouse events.'); + break; + case 1004: + this._terminal.sendFocus = true; + break; + case 1005: + this._terminal.utfMouse = true; + break; + case 1006: + this._terminal.sgrMouse = true; + break; + case 1015: + this._terminal.urxvtMouse = true; + break; + case 25: + this._terminal.cursorHidden = false; + break; + case 1049: + ; + case 47: + case 1047: + if (!this._terminal.normal) { + var normal = { + lines: this._terminal.lines, + ybase: this._terminal.ybase, + ydisp: this._terminal.ydisp, + x: this._terminal.x, + y: this._terminal.y, + scrollTop: this._terminal.scrollTop, + scrollBottom: this._terminal.scrollBottom, + tabs: this._terminal.tabs + }; + this._terminal.reset(); + this._terminal.viewport.syncScrollArea(); + this._terminal.normal = normal; + this._terminal.showCursor(); + } + break; + } + } + }; + InputHandler.prototype.resetMode = function (params) { + if (params.length > 1) { + for (var i = 0; i < params.length; i++) { + this.resetMode([params[i]]); + } + return; + } + if (!this._terminal.prefix) { + switch (params[0]) { + case 4: + this._terminal.insertMode = false; + break; + case 20: + break; + } + } + else if (this._terminal.prefix === '?') { + switch (params[0]) { + case 1: + this._terminal.applicationCursor = false; + break; + case 3: + if (this._terminal.cols === 132 && this._terminal.savedCols) { + this._terminal.resize(this._terminal.savedCols, this._terminal.rows); + } + delete this._terminal.savedCols; + break; + case 6: + this._terminal.originMode = false; + break; + case 7: + this._terminal.wraparoundMode = false; + break; + case 12: + break; + case 66: + this._terminal.log('Switching back to normal keypad.'); + this._terminal.applicationKeypad = false; + this._terminal.viewport.syncScrollArea(); + break; + case 9: + case 1000: + case 1002: + case 1003: + this._terminal.x10Mouse = false; + this._terminal.vt200Mouse = false; + this._terminal.normalMouse = false; + this._terminal.mouseEvents = false; + this._terminal.element.classList.remove('enable-mouse-events'); + this._terminal.selectionManager.enable(); + break; + case 1004: + this._terminal.sendFocus = false; + break; + case 1005: + this._terminal.utfMouse = false; + break; + case 1006: + this._terminal.sgrMouse = false; + break; + case 1015: + this._terminal.urxvtMouse = false; + break; + case 25: + this._terminal.cursorHidden = true; + break; + case 1049: + ; + case 47: + case 1047: + if (this._terminal.normal) { + this._terminal.lines = this._terminal.normal.lines; + this._terminal.ybase = this._terminal.normal.ybase; + this._terminal.ydisp = this._terminal.normal.ydisp; + this._terminal.x = this._terminal.normal.x; + this._terminal.y = this._terminal.normal.y; + this._terminal.scrollTop = this._terminal.normal.scrollTop; + this._terminal.scrollBottom = this._terminal.normal.scrollBottom; + this._terminal.tabs = this._terminal.normal.tabs; + this._terminal.normal = null; + this._terminal.selectionManager.setBuffer(this._terminal.lines); + this._terminal.refresh(0, this._terminal.rows - 1); + this._terminal.viewport.syncScrollArea(); + this._terminal.showCursor(); + } + break; + } + } + }; + InputHandler.prototype.charAttributes = function (params) { + if (params.length === 1 && params[0] === 0) { + this._terminal.curAttr = this._terminal.defAttr; + return; + } + var l = params.length, i = 0, flags = this._terminal.curAttr >> 18, fg = (this._terminal.curAttr >> 9) & 0x1ff, bg = this._terminal.curAttr & 0x1ff, p; + for (; i < l; i++) { + p = params[i]; + if (p >= 30 && p <= 37) { + fg = p - 30; + } + else if (p >= 40 && p <= 47) { + bg = p - 40; + } + else if (p >= 90 && p <= 97) { + p += 8; + fg = p - 90; + } + else if (p >= 100 && p <= 107) { + p += 8; + bg = p - 100; + } + else if (p === 0) { + flags = this._terminal.defAttr >> 18; + fg = (this._terminal.defAttr >> 9) & 0x1ff; + bg = this._terminal.defAttr & 0x1ff; + } + else if (p === 1) { + flags |= 1; + } + else if (p === 4) { + flags |= 2; + } + else if (p === 5) { + flags |= 4; + } + else if (p === 7) { + flags |= 8; + } + else if (p === 8) { + flags |= 16; + } + else if (p === 22) { + flags &= ~1; + } + else if (p === 24) { + flags &= ~2; + } + else if (p === 25) { + flags &= ~4; + } + else if (p === 27) { + flags &= ~8; + } + else if (p === 28) { + flags &= ~16; + } + else if (p === 39) { + fg = (this._terminal.defAttr >> 9) & 0x1ff; + } + else if (p === 49) { + bg = this._terminal.defAttr & 0x1ff; + } + else if (p === 38) { + if (params[i + 1] === 2) { + i += 2; + fg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff); + if (fg === -1) + fg = 0x1ff; + i += 2; + } + else if (params[i + 1] === 5) { + i += 2; + p = params[i] & 0xff; + fg = p; + } + } + else if (p === 48) { + if (params[i + 1] === 2) { + i += 2; + bg = this._terminal.matchColor(params[i] & 0xff, params[i + 1] & 0xff, params[i + 2] & 0xff); + if (bg === -1) + bg = 0x1ff; + i += 2; + } + else if (params[i + 1] === 5) { + i += 2; + p = params[i] & 0xff; + bg = p; + } + } + else if (p === 100) { + fg = (this._terminal.defAttr >> 9) & 0x1ff; + bg = this._terminal.defAttr & 0x1ff; + } + else { + this._terminal.error('Unknown SGR attribute: %d.', p); + } + } + this._terminal.curAttr = (flags << 18) | (fg << 9) | bg; + }; + InputHandler.prototype.deviceStatus = function (params) { + if (!this._terminal.prefix) { + switch (params[0]) { + case 5: + this._terminal.send(EscapeSequences_1.C0.ESC + '[0n'); + break; + case 6: + this._terminal.send(EscapeSequences_1.C0.ESC + '[' + + (this._terminal.y + 1) + + ';' + + (this._terminal.x + 1) + + 'R'); + break; + } + } + else if (this._terminal.prefix === '?') { + switch (params[0]) { + case 6: + this._terminal.send(EscapeSequences_1.C0.ESC + '[?' + + (this._terminal.y + 1) + + ';' + + (this._terminal.x + 1) + + 'R'); + break; + case 15: + break; + case 25: + break; + case 26: + break; + case 53: + break; + } + } + }; + InputHandler.prototype.softReset = function (params) { + this._terminal.cursorHidden = false; + this._terminal.insertMode = false; + this._terminal.originMode = false; + this._terminal.wraparoundMode = true; + this._terminal.applicationKeypad = false; + this._terminal.viewport.syncScrollArea(); + this._terminal.applicationCursor = false; + this._terminal.scrollTop = 0; + this._terminal.scrollBottom = this._terminal.rows - 1; + this._terminal.curAttr = this._terminal.defAttr; + this._terminal.x = this._terminal.y = 0; + this._terminal.charset = null; + this._terminal.glevel = 0; + this._terminal.charsets = [null]; + }; + InputHandler.prototype.setCursorStyle = function (params) { + var param = params[0] < 1 ? 1 : params[0]; + switch (param) { + case 1: + case 2: + this._terminal.setOption('cursorStyle', 'block'); + break; + case 3: + case 4: + this._terminal.setOption('cursorStyle', 'underline'); + break; + case 5: + case 6: + this._terminal.setOption('cursorStyle', 'bar'); + break; + } + var isBlinking = param % 2 === 1; + this._terminal.setOption('cursorBlink', isBlinking); + }; + InputHandler.prototype.setScrollRegion = function (params) { + if (this._terminal.prefix) + return; + this._terminal.scrollTop = (params[0] || 1) - 1; + this._terminal.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1; + this._terminal.x = 0; + this._terminal.y = 0; + }; + InputHandler.prototype.saveCursor = function (params) { + this._terminal.savedX = this._terminal.x; + this._terminal.savedY = this._terminal.y; + }; + InputHandler.prototype.restoreCursor = function (params) { + this._terminal.x = this._terminal.savedX || 0; + this._terminal.y = this._terminal.savedY || 0; + }; + return InputHandler; +}()); +exports.InputHandler = InputHandler; var wcwidth = (function (opts) { - // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c - // combining characters var COMBINING = [ [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489], [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2], @@ -5094,7 +1284,6 @@ var wcwidth = (function (opts) { [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F], [0xE0100, 0xE01EF] ]; - // binary search function bisearch(ucs) { var min = 0; var max = COMBINING.length - 1; @@ -5113,48 +1302,3657 @@ var wcwidth = (function (opts) { return false; } function wcwidth(ucs) { - // test for 8-bit control characters if (ucs === 0) return opts.nul; if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0)) return opts.control; - // binary search in table of non-spacing characters if (bisearch(ucs)) return 0; - // if we arrive here, ucs is not a combining or C0/C1 control character - return 1 + - (ucs >= 0x1100 && - (ucs <= 0x115f || - ucs == 0x2329 || - ucs == 0x232a || - (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || - (ucs >= 0xac00 && ucs <= 0xd7a3) || - (ucs >= 0xf900 && ucs <= 0xfaff) || - (ucs >= 0xfe10 && ucs <= 0xfe19) || - (ucs >= 0xfe30 && ucs <= 0xfe6f) || - (ucs >= 0xff00 && ucs <= 0xff60) || - (ucs >= 0xffe0 && ucs <= 0xffe6) || - (ucs >= 0x20000 && ucs <= 0x2fffd) || - (ucs >= 0x30000 && ucs <= 0x3fffd))); + if (isWide(ucs)) { + return 2; + } + return 1; + } + function isWide(ucs) { + return (ucs >= 0x1100 && (ucs <= 0x115f || + ucs === 0x2329 || + ucs === 0x232a || + (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) || + (ucs >= 0xac00 && ucs <= 0xd7a3) || + (ucs >= 0xf900 && ucs <= 0xfaff) || + (ucs >= 0xfe10 && ucs <= 0xfe19) || + (ucs >= 0xfe30 && ucs <= 0xfe6f) || + (ucs >= 0xff00 && ucs <= 0xff60) || + (ucs >= 0xffe0 && ucs <= 0xffe6) || + (ucs >= 0x20000 && ucs <= 0x2fffd) || + (ucs >= 0x30000 && ucs <= 0x3fffd))); } return wcwidth; -})({ nul: 0, control: 0 }); // configurable options -/** - * Expose - */ -Terminal.EventEmitter = EventEmitter_js_1.EventEmitter; +})({ nul: 0, control: 0 }); + + + +},{"./Charsets":1,"./EscapeSequences":3}],6:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var INVALID_LINK_CLASS = 'xterm-invalid-link'; +var protocolClause = '(https?:\\/\\/)'; +var domainCharacterSet = '[\\da-z\\.-]+'; +var negatedDomainCharacterSet = '[^\\da-z\\.-]+'; +var domainBodyClause = '(' + domainCharacterSet + ')'; +var tldClause = '([a-z\\.]{2,6})'; +var ipClause = '((\\d{1,3}\\.){3}\\d{1,3})'; +var localHostClause = '(localhost)'; +var portClause = '(:\\d{1,5})'; +var hostClause = '((' + domainBodyClause + '\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?'; +var pathClause = '(\\/[\\/\\w\\.\\-%~]*)*'; +var queryStringHashFragmentCharacterSet = '[0-9\\w\\[\\]\\(\\)\\/\\?\\!#@$%&\'*+,:;~\\=\\.\\-]*'; +var queryStringClause = '(\\?' + queryStringHashFragmentCharacterSet + ')?'; +var hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?'; +var negatedPathCharacterSet = '[^\\/\\w\\.\\-%]+'; +var bodyClause = hostClause + pathClause + queryStringClause + hashFragmentClause; +var start = '(?:^|' + negatedDomainCharacterSet + ')('; +var end = ')($|' + negatedPathCharacterSet + ')'; +var strictUrlRegex = new RegExp(start + protocolClause + bodyClause + end); +var HYPERTEXT_LINK_MATCHER_ID = 0; +var Linkifier = (function () { + function Linkifier() { + this._nextLinkMatcherId = HYPERTEXT_LINK_MATCHER_ID; + this._rowTimeoutIds = []; + this._linkMatchers = []; + this.registerLinkMatcher(strictUrlRegex, null, { matchIndex: 1 }); + } + Linkifier.prototype.attachToDom = function (document, rows) { + this._document = document; + this._rows = rows; + }; + Linkifier.prototype.linkifyRow = function (rowIndex) { + if (!this._document) { + return; + } + var timeoutId = this._rowTimeoutIds[rowIndex]; + if (timeoutId) { + clearTimeout(timeoutId); + } + this._rowTimeoutIds[rowIndex] = setTimeout(this._linkifyRow.bind(this, rowIndex), Linkifier.TIME_BEFORE_LINKIFY); + }; + Linkifier.prototype.setHypertextLinkHandler = function (handler) { + this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler; + }; + Linkifier.prototype.setHypertextValidationCallback = function (callback) { + this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback; + }; + Linkifier.prototype.registerLinkMatcher = function (regex, handler, options) { + if (options === void 0) { options = {}; } + if (this._nextLinkMatcherId !== HYPERTEXT_LINK_MATCHER_ID && !handler) { + throw new Error('handler must be defined'); + } + var matcher = { + id: this._nextLinkMatcherId++, + regex: regex, + handler: handler, + matchIndex: options.matchIndex, + validationCallback: options.validationCallback, + priority: options.priority || 0 + }; + this._addLinkMatcherToList(matcher); + return matcher.id; + }; + Linkifier.prototype._addLinkMatcherToList = function (matcher) { + if (this._linkMatchers.length === 0) { + this._linkMatchers.push(matcher); + return; + } + for (var i = this._linkMatchers.length - 1; i >= 0; i--) { + if (matcher.priority <= this._linkMatchers[i].priority) { + this._linkMatchers.splice(i + 1, 0, matcher); + return; + } + } + this._linkMatchers.splice(0, 0, matcher); + }; + Linkifier.prototype.deregisterLinkMatcher = function (matcherId) { + for (var i = 1; i < this._linkMatchers.length; i++) { + if (this._linkMatchers[i].id === matcherId) { + this._linkMatchers.splice(i, 1); + return true; + } + } + return false; + }; + Linkifier.prototype._linkifyRow = function (rowIndex) { + var row = this._rows[rowIndex]; + if (!row) { + return; + } + var text = row.textContent; + for (var i = 0; i < this._linkMatchers.length; i++) { + var matcher = this._linkMatchers[i]; + var linkElements = this._doLinkifyRow(row, matcher); + if (linkElements.length > 0) { + if (matcher.validationCallback) { + var _loop_1 = function (j) { + var element = linkElements[j]; + matcher.validationCallback(element.textContent, element, function (isValid) { + if (!isValid) { + element.classList.add(INVALID_LINK_CLASS); + } + }); + }; + for (var j = 0; j < linkElements.length; j++) { + _loop_1(j); + } + } + return; + } + } + }; + Linkifier.prototype._doLinkifyRow = function (row, matcher) { + var result = []; + var isHttpLinkMatcher = matcher.id === HYPERTEXT_LINK_MATCHER_ID; + var nodes = row.childNodes; + var match = row.textContent.match(matcher.regex); + if (!match || match.length === 0) { + return result; + } + var uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex]; + var rowStartIndex = match.index + uri.length; + for (var i = 0; i < nodes.length; i++) { + var node = nodes[i]; + var searchIndex = node.textContent.indexOf(uri); + if (searchIndex >= 0) { + var linkElement = this._createAnchorElement(uri, matcher.handler, isHttpLinkMatcher); + if (node.textContent.length === uri.length) { + if (node.nodeType === 3) { + this._replaceNode(node, linkElement); + } + else { + var element = node; + if (element.nodeName === 'A') { + return result; + } + element.innerHTML = ''; + element.appendChild(linkElement); + } + } + else if (node.childNodes.length > 1) { + for (var j = 0; j < node.childNodes.length; j++) { + var childNode = node.childNodes[j]; + var childSearchIndex = childNode.textContent.indexOf(uri); + if (childSearchIndex !== -1) { + this._replaceNodeSubstringWithNode(childNode, linkElement, uri, childSearchIndex); + break; + } + } + } + else { + var nodesAdded = this._replaceNodeSubstringWithNode(node, linkElement, uri, searchIndex); + i += nodesAdded; + } + result.push(linkElement); + match = row.textContent.substring(rowStartIndex).match(matcher.regex); + if (!match || match.length === 0) { + return result; + } + uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex]; + rowStartIndex += match.index + uri.length; + } + } + return result; + }; + Linkifier.prototype._createAnchorElement = function (uri, handler, isHypertextLinkHandler) { + var element = this._document.createElement('a'); + element.textContent = uri; + element.draggable = false; + if (isHypertextLinkHandler) { + element.href = uri; + element.target = '_blank'; + element.addEventListener('click', function (event) { + if (handler) { + return handler(event, uri); + } + }); + } + else { + element.addEventListener('click', function (event) { + if (element.classList.contains(INVALID_LINK_CLASS)) { + return; + } + return handler(event, uri); + }); + } + return element; + }; + Linkifier.prototype._replaceNode = function (oldNode) { + var newNodes = []; + for (var _i = 1; _i < arguments.length; _i++) { + newNodes[_i - 1] = arguments[_i]; + } + var parent = oldNode.parentNode; + for (var i = 0; i < newNodes.length; i++) { + parent.insertBefore(newNodes[i], oldNode); + } + parent.removeChild(oldNode); + }; + Linkifier.prototype._replaceNodeSubstringWithNode = function (targetNode, newNode, substring, substringIndex) { + if (targetNode.childNodes.length === 1) { + targetNode = targetNode.childNodes[0]; + } + if (targetNode.nodeType !== 3) { + throw new Error('targetNode must be a text node or only contain a single text node'); + } + var fullText = targetNode.textContent; + if (substringIndex === 0) { + var rightText_1 = fullText.substring(substring.length); + var rightTextNode_1 = this._document.createTextNode(rightText_1); + this._replaceNode(targetNode, newNode, rightTextNode_1); + return 0; + } + if (substringIndex === targetNode.textContent.length - substring.length) { + var leftText_1 = fullText.substring(0, substringIndex); + var leftTextNode_1 = this._document.createTextNode(leftText_1); + this._replaceNode(targetNode, leftTextNode_1, newNode); + return 0; + } + var leftText = fullText.substring(0, substringIndex); + var leftTextNode = this._document.createTextNode(leftText); + var rightText = fullText.substring(substringIndex + substring.length); + var rightTextNode = this._document.createTextNode(rightText); + this._replaceNode(targetNode, leftTextNode, newNode, rightTextNode); + return 1; + }; + return Linkifier; +}()); +Linkifier.TIME_BEFORE_LINKIFY = 200; +exports.Linkifier = Linkifier; + + + +},{}],7:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var EscapeSequences_1 = require("./EscapeSequences"); +var Charsets_1 = require("./Charsets"); +var normalStateHandler = {}; +normalStateHandler[EscapeSequences_1.C0.BEL] = function (parser, handler) { return handler.bell(); }; +normalStateHandler[EscapeSequences_1.C0.LF] = function (parser, handler) { return handler.lineFeed(); }; +normalStateHandler[EscapeSequences_1.C0.VT] = normalStateHandler[EscapeSequences_1.C0.LF]; +normalStateHandler[EscapeSequences_1.C0.FF] = normalStateHandler[EscapeSequences_1.C0.LF]; +normalStateHandler[EscapeSequences_1.C0.CR] = function (parser, handler) { return handler.carriageReturn(); }; +normalStateHandler[EscapeSequences_1.C0.BS] = function (parser, handler) { return handler.backspace(); }; +normalStateHandler[EscapeSequences_1.C0.HT] = function (parser, handler) { return handler.tab(); }; +normalStateHandler[EscapeSequences_1.C0.SO] = function (parser, handler) { return handler.shiftOut(); }; +normalStateHandler[EscapeSequences_1.C0.SI] = function (parser, handler) { return handler.shiftIn(); }; +normalStateHandler[EscapeSequences_1.C0.ESC] = function (parser, handler) { return parser.setState(ParserState.ESCAPED); }; +var escapedStateHandler = {}; +escapedStateHandler['['] = function (parser, terminal) { + terminal.params = []; + terminal.currentParam = 0; + parser.setState(ParserState.CSI_PARAM); +}; +escapedStateHandler[']'] = function (parser, terminal) { + terminal.params = []; + terminal.currentParam = 0; + parser.setState(ParserState.OSC); +}; +escapedStateHandler['P'] = function (parser, terminal) { + terminal.params = []; + terminal.currentParam = 0; + parser.setState(ParserState.DCS); +}; +escapedStateHandler['_'] = function (parser, terminal) { + parser.setState(ParserState.IGNORE); +}; +escapedStateHandler['^'] = function (parser, terminal) { + parser.setState(ParserState.IGNORE); +}; +escapedStateHandler['c'] = function (parser, terminal) { + terminal.reset(); +}; +escapedStateHandler['E'] = function (parser, terminal) { + terminal.x = 0; + terminal.index(); + parser.setState(ParserState.NORMAL); +}; +escapedStateHandler['D'] = function (parser, terminal) { + terminal.index(); + parser.setState(ParserState.NORMAL); +}; +escapedStateHandler['M'] = function (parser, terminal) { + terminal.reverseIndex(); + parser.setState(ParserState.NORMAL); +}; +escapedStateHandler['%'] = function (parser, terminal) { + terminal.setgLevel(0); + terminal.setgCharset(0, Charsets_1.DEFAULT_CHARSET); + parser.setState(ParserState.NORMAL); + parser.skipNextChar(); +}; +escapedStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); }; +var csiParamStateHandler = {}; +csiParamStateHandler['?'] = function (parser) { return parser.setPrefix('?'); }; +csiParamStateHandler['>'] = function (parser) { return parser.setPrefix('>'); }; +csiParamStateHandler['!'] = function (parser) { return parser.setPrefix('!'); }; +csiParamStateHandler['0'] = function (parser) { return parser.setParam(parser.getParam() * 10); }; +csiParamStateHandler['1'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 1); }; +csiParamStateHandler['2'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 2); }; +csiParamStateHandler['3'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 3); }; +csiParamStateHandler['4'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 4); }; +csiParamStateHandler['5'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 5); }; +csiParamStateHandler['6'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 6); }; +csiParamStateHandler['7'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 7); }; +csiParamStateHandler['8'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 8); }; +csiParamStateHandler['9'] = function (parser) { return parser.setParam(parser.getParam() * 10 + 9); }; +csiParamStateHandler['$'] = function (parser) { return parser.setPostfix('$'); }; +csiParamStateHandler['"'] = function (parser) { return parser.setPostfix('"'); }; +csiParamStateHandler[' '] = function (parser) { return parser.setPostfix(' '); }; +csiParamStateHandler['\''] = function (parser) { return parser.setPostfix('\''); }; +csiParamStateHandler[';'] = function (parser) { return parser.finalizeParam(); }; +csiParamStateHandler[EscapeSequences_1.C0.CAN] = function (parser) { return parser.setState(ParserState.NORMAL); }; +var csiStateHandler = {}; +csiStateHandler['@'] = function (handler, params, prefix) { return handler.insertChars(params); }; +csiStateHandler['A'] = function (handler, params, prefix) { return handler.cursorUp(params); }; +csiStateHandler['B'] = function (handler, params, prefix) { return handler.cursorDown(params); }; +csiStateHandler['C'] = function (handler, params, prefix) { return handler.cursorForward(params); }; +csiStateHandler['D'] = function (handler, params, prefix) { return handler.cursorBackward(params); }; +csiStateHandler['E'] = function (handler, params, prefix) { return handler.cursorNextLine(params); }; +csiStateHandler['F'] = function (handler, params, prefix) { return handler.cursorPrecedingLine(params); }; +csiStateHandler['G'] = function (handler, params, prefix) { return handler.cursorCharAbsolute(params); }; +csiStateHandler['H'] = function (handler, params, prefix) { return handler.cursorPosition(params); }; +csiStateHandler['I'] = function (handler, params, prefix) { return handler.cursorForwardTab(params); }; +csiStateHandler['J'] = function (handler, params, prefix) { return handler.eraseInDisplay(params); }; +csiStateHandler['K'] = function (handler, params, prefix) { return handler.eraseInLine(params); }; +csiStateHandler['L'] = function (handler, params, prefix) { return handler.insertLines(params); }; +csiStateHandler['M'] = function (handler, params, prefix) { return handler.deleteLines(params); }; +csiStateHandler['P'] = function (handler, params, prefix) { return handler.deleteChars(params); }; +csiStateHandler['S'] = function (handler, params, prefix) { return handler.scrollUp(params); }; +csiStateHandler['T'] = function (handler, params, prefix) { + if (params.length < 2 && !prefix) { + handler.scrollDown(params); + } +}; +csiStateHandler['X'] = function (handler, params, prefix) { return handler.eraseChars(params); }; +csiStateHandler['Z'] = function (handler, params, prefix) { return handler.cursorBackwardTab(params); }; +csiStateHandler['`'] = function (handler, params, prefix) { return handler.charPosAbsolute(params); }; +csiStateHandler['a'] = function (handler, params, prefix) { return handler.HPositionRelative(params); }; +csiStateHandler['b'] = function (handler, params, prefix) { return handler.repeatPrecedingCharacter(params); }; +csiStateHandler['c'] = function (handler, params, prefix) { return handler.sendDeviceAttributes(params); }; +csiStateHandler['d'] = function (handler, params, prefix) { return handler.linePosAbsolute(params); }; +csiStateHandler['e'] = function (handler, params, prefix) { return handler.VPositionRelative(params); }; +csiStateHandler['f'] = function (handler, params, prefix) { return handler.HVPosition(params); }; +csiStateHandler['g'] = function (handler, params, prefix) { return handler.tabClear(params); }; +csiStateHandler['h'] = function (handler, params, prefix) { return handler.setMode(params); }; +csiStateHandler['l'] = function (handler, params, prefix) { return handler.resetMode(params); }; +csiStateHandler['m'] = function (handler, params, prefix) { return handler.charAttributes(params); }; +csiStateHandler['n'] = function (handler, params, prefix) { return handler.deviceStatus(params); }; +csiStateHandler['p'] = function (handler, params, prefix) { + switch (prefix) { + case '!': + handler.softReset(params); + break; + } +}; +csiStateHandler['q'] = function (handler, params, prefix, postfix) { + if (postfix === ' ') { + handler.setCursorStyle(params); + } +}; +csiStateHandler['r'] = function (handler, params) { return handler.setScrollRegion(params); }; +csiStateHandler['s'] = function (handler, params) { return handler.saveCursor(params); }; +csiStateHandler['u'] = function (handler, params) { return handler.restoreCursor(params); }; +csiStateHandler[EscapeSequences_1.C0.CAN] = function (handler, params, prefix, postfix, parser) { return parser.setState(ParserState.NORMAL); }; +var ParserState; +(function (ParserState) { + ParserState[ParserState["NORMAL"] = 0] = "NORMAL"; + ParserState[ParserState["ESCAPED"] = 1] = "ESCAPED"; + ParserState[ParserState["CSI_PARAM"] = 2] = "CSI_PARAM"; + ParserState[ParserState["CSI"] = 3] = "CSI"; + ParserState[ParserState["OSC"] = 4] = "OSC"; + ParserState[ParserState["CHARSET"] = 5] = "CHARSET"; + ParserState[ParserState["DCS"] = 6] = "DCS"; + ParserState[ParserState["IGNORE"] = 7] = "IGNORE"; +})(ParserState || (ParserState = {})); +var Parser = (function () { + function Parser(_inputHandler, _terminal) { + this._inputHandler = _inputHandler; + this._terminal = _terminal; + this._state = ParserState.NORMAL; + } + Parser.prototype.parse = function (data) { + var l = data.length, j, cs, ch, code, low; + this._position = 0; + if (this._terminal.surrogate_high) { + data = this._terminal.surrogate_high + data; + this._terminal.surrogate_high = ''; + } + for (; this._position < l; this._position++) { + ch = data[this._position]; + code = data.charCodeAt(this._position); + if (0xD800 <= code && code <= 0xDBFF) { + low = data.charCodeAt(this._position + 1); + if (isNaN(low)) { + this._terminal.surrogate_high = ch; + continue; + } + code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000; + ch += data.charAt(this._position + 1); + } + if (0xDC00 <= code && code <= 0xDFFF) + continue; + switch (this._state) { + case ParserState.NORMAL: + if (ch in normalStateHandler) { + normalStateHandler[ch](this, this._inputHandler); + } + else { + this._inputHandler.addChar(ch, code); + } + break; + case ParserState.ESCAPED: + if (ch in escapedStateHandler) { + escapedStateHandler[ch](this, this._terminal); + break; + } + switch (ch) { + case '(': + case ')': + case '*': + case '+': + case '-': + case '.': + switch (ch) { + case '(': + this._terminal.gcharset = 0; + break; + case ')': + this._terminal.gcharset = 1; + break; + case '*': + this._terminal.gcharset = 2; + break; + case '+': + this._terminal.gcharset = 3; + break; + case '-': + this._terminal.gcharset = 1; + break; + case '.': + this._terminal.gcharset = 2; + break; + } + this._state = ParserState.CHARSET; + break; + case '/': + this._terminal.gcharset = 3; + this._state = ParserState.CHARSET; + this._position--; + break; + case 'N': + break; + case 'O': + break; + case 'n': + this._terminal.setgLevel(2); + break; + case 'o': + this._terminal.setgLevel(3); + break; + case '|': + this._terminal.setgLevel(3); + break; + case '}': + this._terminal.setgLevel(2); + break; + case '~': + this._terminal.setgLevel(1); + break; + case '7': + this._inputHandler.saveCursor(); + this._state = ParserState.NORMAL; + break; + case '8': + this._inputHandler.restoreCursor(); + this._state = ParserState.NORMAL; + break; + case '#': + this._state = ParserState.NORMAL; + this._position++; + break; + case 'H': + this._terminal.tabSet(); + this._state = ParserState.NORMAL; + break; + case '=': + this._terminal.log('Serial port requested application keypad.'); + this._terminal.applicationKeypad = true; + this._terminal.viewport.syncScrollArea(); + this._state = ParserState.NORMAL; + break; + case '>': + this._terminal.log('Switching back to normal keypad.'); + this._terminal.applicationKeypad = false; + this._terminal.viewport.syncScrollArea(); + this._state = ParserState.NORMAL; + break; + default: + this._state = ParserState.NORMAL; + this._terminal.error('Unknown ESC control: %s.', ch); + break; + } + break; + case ParserState.CHARSET: + if (ch in Charsets_1.CHARSETS) { + cs = Charsets_1.CHARSETS[ch]; + if (ch === '/') { + this.skipNextChar(); + } + } + else { + cs = Charsets_1.DEFAULT_CHARSET; + } + this._terminal.setgCharset(this._terminal.gcharset, cs); + this._terminal.gcharset = null; + this._state = ParserState.NORMAL; + break; + case ParserState.OSC: + if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) { + if (ch === EscapeSequences_1.C0.ESC) + this._position++; + this._terminal.params.push(this._terminal.currentParam); + switch (this._terminal.params[0]) { + case 0: + case 1: + case 2: + if (this._terminal.params[1]) { + this._terminal.title = this._terminal.params[1]; + this._terminal.handleTitle(this._terminal.title); + } + break; + case 3: + break; + case 4: + case 5: + break; + case 10: + case 11: + case 12: + case 13: + case 14: + case 15: + case 16: + case 17: + case 18: + case 19: + break; + case 46: + break; + case 50: + break; + case 51: + break; + case 52: + break; + case 104: + case 105: + case 110: + case 111: + case 112: + case 113: + case 114: + case 115: + case 116: + case 117: + case 118: + break; + } + this._terminal.params = []; + this._terminal.currentParam = 0; + this._state = ParserState.NORMAL; + } + else { + if (!this._terminal.params.length) { + if (ch >= '0' && ch <= '9') { + this._terminal.currentParam = + this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48; + } + else if (ch === ';') { + this._terminal.params.push(this._terminal.currentParam); + this._terminal.currentParam = ''; + } + } + else { + this._terminal.currentParam += ch; + } + } + break; + case ParserState.CSI_PARAM: + if (ch in csiParamStateHandler) { + csiParamStateHandler[ch](this); + break; + } + this.finalizeParam(); + this._state = ParserState.CSI; + case ParserState.CSI: + if (ch in csiStateHandler) { + csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this); + } + else { + this._terminal.error('Unknown CSI code: %s.', ch); + } + this._state = ParserState.NORMAL; + this._terminal.prefix = ''; + this._terminal.postfix = ''; + break; + case ParserState.DCS: + if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) { + if (ch === EscapeSequences_1.C0.ESC) + this._position++; + var pt = void 0; + var valid = void 0; + switch (this._terminal.prefix) { + case '': + break; + case '$q': + pt = this._terminal.currentParam; + valid = false; + switch (pt) { + case '"q': + pt = '0"q'; + break; + case '"p': + pt = '61"p'; + break; + case 'r': + pt = '' + + (this._terminal.scrollTop + 1) + + ';' + + (this._terminal.scrollBottom + 1) + + 'r'; + break; + case 'm': + pt = '0m'; + break; + default: + this._terminal.error('Unknown DCS Pt: %s.', pt); + pt = ''; + break; + } + this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '$r' + pt + EscapeSequences_1.C0.ESC + '\\'); + break; + case '+p': + break; + case '+q': + pt = this._terminal.currentParam; + valid = false; + this._terminal.send(EscapeSequences_1.C0.ESC + 'P' + +valid + '+r' + pt + EscapeSequences_1.C0.ESC + '\\'); + break; + default: + this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix); + break; + } + this._terminal.currentParam = 0; + this._terminal.prefix = ''; + this._state = ParserState.NORMAL; + } + else if (!this._terminal.currentParam) { + if (!this._terminal.prefix && ch !== '$' && ch !== '+') { + this._terminal.currentParam = ch; + } + else if (this._terminal.prefix.length === 2) { + this._terminal.currentParam = ch; + } + else { + this._terminal.prefix += ch; + } + } + else { + this._terminal.currentParam += ch; + } + break; + case ParserState.IGNORE: + if (ch === EscapeSequences_1.C0.ESC || ch === EscapeSequences_1.C0.BEL) { + if (ch === EscapeSequences_1.C0.ESC) + this._position++; + this._state = ParserState.NORMAL; + } + break; + } + } + return this._state; + }; + Parser.prototype.setState = function (state) { + this._state = state; + }; + Parser.prototype.setPrefix = function (prefix) { + this._terminal.prefix = prefix; + }; + Parser.prototype.setPostfix = function (postfix) { + this._terminal.postfix = postfix; + }; + Parser.prototype.setParam = function (param) { + this._terminal.currentParam = param; + }; + Parser.prototype.getParam = function () { + return this._terminal.currentParam; + }; + Parser.prototype.finalizeParam = function () { + this._terminal.params.push(this._terminal.currentParam); + this._terminal.currentParam = 0; + }; + Parser.prototype.skipNextChar = function () { + this._position++; + }; + return Parser; +}()); +exports.Parser = Parser; + + + +},{"./Charsets":1,"./EscapeSequences":3}],8:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var DomElementObjectPool_1 = require("./utils/DomElementObjectPool"); +var MAX_REFRESH_FRAME_SKIP = 5; +var FLAGS; +(function (FLAGS) { + FLAGS[FLAGS["BOLD"] = 1] = "BOLD"; + FLAGS[FLAGS["UNDERLINE"] = 2] = "UNDERLINE"; + FLAGS[FLAGS["BLINK"] = 4] = "BLINK"; + FLAGS[FLAGS["INVERSE"] = 8] = "INVERSE"; + FLAGS[FLAGS["INVISIBLE"] = 16] = "INVISIBLE"; +})(FLAGS || (FLAGS = {})); +; +var brokenBold = null; +var Renderer = (function () { + function Renderer(_terminal) { + this._terminal = _terminal; + this._refreshRowsQueue = []; + this._refreshFramesSkipped = 0; + this._refreshAnimationFrame = null; + this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span'); + if (brokenBold === null) { + brokenBold = checkBoldBroken(this._terminal.element); + } + this._spanElementObjectPool = new DomElementObjectPool_1.DomElementObjectPool('span'); + } + Renderer.prototype.queueRefresh = function (start, end) { + this._refreshRowsQueue.push({ start: start, end: end }); + if (!this._refreshAnimationFrame) { + this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this)); + } + }; + Renderer.prototype._refreshLoop = function () { + var skipFrame = this._terminal.writeBuffer.length > 0 && this._refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP; + if (skipFrame) { + this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this)); + return; + } + this._refreshFramesSkipped = 0; + var start; + var end; + if (this._refreshRowsQueue.length > 4) { + start = 0; + end = this._terminal.rows - 1; + } + else { + start = this._refreshRowsQueue[0].start; + end = this._refreshRowsQueue[0].end; + for (var i = 1; i < this._refreshRowsQueue.length; i++) { + if (this._refreshRowsQueue[i].start < start) { + start = this._refreshRowsQueue[i].start; + } + if (this._refreshRowsQueue[i].end > end) { + end = this._refreshRowsQueue[i].end; + } + } + } + this._refreshRowsQueue = []; + this._refreshAnimationFrame = null; + this._refresh(start, end); + }; + Renderer.prototype._refresh = function (start, end) { + var parent; + if (end - start >= this._terminal.rows / 2) { + parent = this._terminal.element.parentNode; + if (parent) { + this._terminal.element.removeChild(this._terminal.rowContainer); + } + } + var width = this._terminal.cols; + var y = start; + if (end >= this._terminal.rows) { + this._terminal.log('`end` is too large. Most likely a bad CSR.'); + end = this._terminal.rows - 1; + } + for (; y <= end; y++) { + var row = y + this._terminal.ydisp; + var line = this._terminal.lines.get(row); + var x = void 0; + if (this._terminal.y === y - (this._terminal.ybase - this._terminal.ydisp) && + this._terminal.cursorState && + !this._terminal.cursorHidden) { + x = this._terminal.x; + } + else { + x = -1; + } + var attr = this._terminal.defAttr; + var documentFragment = document.createDocumentFragment(); + var innerHTML = ''; + var currentElement = void 0; + while (this._terminal.children[y].children.length) { + var child = this._terminal.children[y].children[0]; + this._terminal.children[y].removeChild(child); + this._spanElementObjectPool.release(child); + } + for (var i = 0; i < width; i++) { + var data = line[i][0]; + var ch = line[i][1]; + var ch_width = line[i][2]; + if (!ch_width) { + continue; + } + if (i === x) { + data = -1; + } + if (data !== attr) { + if (attr !== this._terminal.defAttr) { + if (innerHTML) { + currentElement.innerHTML = innerHTML; + innerHTML = ''; + } + documentFragment.appendChild(currentElement); + currentElement = null; + } + if (data !== this._terminal.defAttr) { + if (innerHTML && !currentElement) { + currentElement = this._spanElementObjectPool.acquire(); + } + if (currentElement) { + if (innerHTML) { + currentElement.innerHTML = innerHTML; + innerHTML = ''; + } + documentFragment.appendChild(currentElement); + } + currentElement = this._spanElementObjectPool.acquire(); + if (data === -1) { + currentElement.classList.add('reverse-video'); + currentElement.classList.add('terminal-cursor'); + } + else { + var bg = data & 0x1ff; + var fg = (data >> 9) & 0x1ff; + var flags = data >> 18; + if (flags & FLAGS.BOLD) { + if (!brokenBold) { + currentElement.classList.add('xterm-bold'); + } + if (fg < 8) { + fg += 8; + } + } + if (flags & FLAGS.UNDERLINE) { + currentElement.classList.add('xterm-underline'); + } + if (flags & FLAGS.BLINK) { + currentElement.classList.add('xterm-blink'); + } + if (flags & FLAGS.INVERSE) { + var temp = bg; + bg = fg; + fg = temp; + if ((flags & 1) && fg < 8) { + fg += 8; + } + } + if (flags & FLAGS.INVISIBLE) { + currentElement.classList.add('xterm-hidden'); + } + if (flags & FLAGS.INVERSE) { + if (bg === 257) { + bg = 15; + } + if (fg === 256) { + fg = 0; + } + } + if (bg < 256) { + currentElement.classList.add("xterm-bg-color-" + bg); + } + if (fg < 256) { + currentElement.classList.add("xterm-color-" + fg); + } + } + } + } + if (ch_width === 2) { + innerHTML += "" + ch + ""; + } + else if (ch.charCodeAt(0) > 255) { + innerHTML += "" + ch + ""; + } + else { + switch (ch) { + case '&': + innerHTML += '&'; + break; + case '<': + innerHTML += '<'; + break; + case '>': + innerHTML += '>'; + break; + default: + if (ch <= ' ') { + innerHTML += ' '; + } + else { + innerHTML += ch; + } + break; + } + } + attr = data; + } + if (innerHTML && !currentElement) { + currentElement = this._spanElementObjectPool.acquire(); + } + if (currentElement) { + if (innerHTML) { + currentElement.innerHTML = innerHTML; + innerHTML = ''; + } + documentFragment.appendChild(currentElement); + currentElement = null; + } + this._terminal.children[y].appendChild(documentFragment); + } + if (parent) { + this._terminal.element.appendChild(this._terminal.rowContainer); + } + this._terminal.emit('refresh', { element: this._terminal.element, start: start, end: end }); + }; + ; + Renderer.prototype.refreshSelection = function (start, end) { + while (this._terminal.selectionContainer.children.length) { + this._terminal.selectionContainer.removeChild(this._terminal.selectionContainer.children[0]); + } + if (!start || !end) { + return; + } + var viewportStartRow = start[1] - this._terminal.ydisp; + var viewportEndRow = end[1] - this._terminal.ydisp; + var viewportCappedStartRow = Math.max(viewportStartRow, 0); + var viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1); + if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) { + return; + } + var documentFragment = document.createDocumentFragment(); + var startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0; + var endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols; + documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol)); + var middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1; + documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount)); + if (viewportCappedStartRow !== viewportCappedEndRow) { + var endCol_1 = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols; + documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol_1)); + } + this._terminal.selectionContainer.appendChild(documentFragment); + }; + Renderer.prototype._createSelectionElement = function (row, colStart, colEnd, rowCount) { + if (rowCount === void 0) { rowCount = 1; } + var element = document.createElement('div'); + element.style.height = rowCount * this._terminal.charMeasure.height + "px"; + element.style.top = row * this._terminal.charMeasure.height + "px"; + element.style.left = colStart * this._terminal.charMeasure.width + "px"; + element.style.width = this._terminal.charMeasure.width * (colEnd - colStart) + "px"; + return element; + }; + return Renderer; +}()); +exports.Renderer = Renderer; +function checkBoldBroken(terminal) { + var document = terminal.ownerDocument; + var el = document.createElement('span'); + el.innerHTML = 'hello world'; + terminal.appendChild(el); + var w1 = el.offsetWidth; + var h1 = el.offsetHeight; + el.style.fontWeight = 'bold'; + var w2 = el.offsetWidth; + var h2 = el.offsetHeight; + terminal.removeChild(el); + return w1 !== w2 || h1 !== h2; +} + + + +},{"./utils/DomElementObjectPool":16}],9:[function(require,module,exports){ +"use strict"; +var __extends = (this && this.__extends) || (function () { + var extendStatics = Object.setPrototypeOf || + ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || + function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; + return function (d, b) { + extendStatics(d, b); + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); + }; +})(); +Object.defineProperty(exports, "__esModule", { value: true }); +var Mouse = require("./utils/Mouse"); +var Browser = require("./utils/Browser"); +var EventEmitter_1 = require("./EventEmitter"); +var SelectionModel_1 = require("./SelectionModel"); +var DRAG_SCROLL_MAX_THRESHOLD = 50; +var DRAG_SCROLL_MAX_SPEED = 15; +var DRAG_SCROLL_INTERVAL = 50; +var CLEAR_MOUSE_DOWN_TIME = 400; +var CLEAR_MOUSE_DISTANCE = 10; +var WORD_SEPARATORS = ' ()[]{}\'"'; +var LINE_DATA_CHAR_INDEX = 1; +var LINE_DATA_WIDTH_INDEX = 2; +var NON_BREAKING_SPACE_CHAR = String.fromCharCode(160); +var ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g'); +var SelectionMode; +(function (SelectionMode) { + SelectionMode[SelectionMode["NORMAL"] = 0] = "NORMAL"; + SelectionMode[SelectionMode["WORD"] = 1] = "WORD"; + SelectionMode[SelectionMode["LINE"] = 2] = "LINE"; +})(SelectionMode || (SelectionMode = {})); +var SelectionManager = (function (_super) { + __extends(SelectionManager, _super); + function SelectionManager(_terminal, _buffer, _rowContainer, _charMeasure) { + var _this = _super.call(this) || this; + _this._terminal = _terminal; + _this._buffer = _buffer; + _this._rowContainer = _rowContainer; + _this._charMeasure = _charMeasure; + _this._initListeners(); + _this.enable(); + _this._model = new SelectionModel_1.SelectionModel(_terminal); + _this._lastMouseDownTime = 0; + _this._activeSelectionMode = SelectionMode.NORMAL; + return _this; + } + SelectionManager.prototype._initListeners = function () { + var _this = this; + this._bufferTrimListener = function (amount) { return _this._onTrim(amount); }; + this._mouseMoveListener = function (event) { return _this._onMouseMove(event); }; + this._mouseDownListener = function (event) { return _this._onMouseDown(event); }; + this._mouseUpListener = function (event) { return _this._onMouseUp(event); }; + }; + SelectionManager.prototype.disable = function () { + this.clearSelection(); + this._buffer.off('trim', this._bufferTrimListener); + this._rowContainer.removeEventListener('mousedown', this._mouseDownListener); + }; + SelectionManager.prototype.enable = function () { + this._buffer.on('trim', this._bufferTrimListener); + this._rowContainer.addEventListener('mousedown', this._mouseDownListener); + }; + SelectionManager.prototype.setBuffer = function (buffer) { + this._buffer = buffer; + this.clearSelection(); + }; + Object.defineProperty(SelectionManager.prototype, "hasSelection", { + get: function () { + var start = this._model.finalSelectionStart; + var end = this._model.finalSelectionEnd; + if (!start || !end) { + return false; + } + return start[0] !== end[0] || start[1] !== end[1]; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SelectionManager.prototype, "selectionText", { + get: function () { + var start = this._model.finalSelectionStart; + var end = this._model.finalSelectionEnd; + if (!start || !end) { + return ''; + } + var startRowEndCol = start[1] === end[1] ? end[0] : null; + var result = []; + result.push(this._translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol)); + for (var i = start[1] + 1; i <= end[1] - 1; i++) { + var bufferLine = this._buffer.get(i); + var lineText = this._translateBufferLineToString(bufferLine, true); + if (bufferLine.isWrapped) { + result[result.length - 1] += lineText; + } + else { + result.push(lineText); + } + } + if (start[1] !== end[1]) { + var bufferLine = this._buffer.get(end[1]); + var lineText = this._translateBufferLineToString(bufferLine, true, 0, end[0]); + if (bufferLine.isWrapped) { + result[result.length - 1] += lineText; + } + else { + result.push(lineText); + } + } + var formattedResult = result.map(function (line) { + return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' '); + }).join(Browser.isMSWindows ? '\r\n' : '\n'); + return formattedResult; + }, + enumerable: true, + configurable: true + }); + SelectionManager.prototype.clearSelection = function () { + this._model.clearSelection(); + this._removeMouseDownListeners(); + this.refresh(); + }; + SelectionManager.prototype._translateBufferLineToString = function (line, trimRight, startCol, endCol) { + if (startCol === void 0) { startCol = 0; } + if (endCol === void 0) { endCol = null; } + var lineString = ''; + var widthAdjustedStartCol = startCol; + var widthAdjustedEndCol = endCol; + for (var i = 0; i < line.length; i++) { + var char = line[i]; + lineString += char[LINE_DATA_CHAR_INDEX]; + if (char[LINE_DATA_WIDTH_INDEX] === 0) { + if (startCol >= i) { + widthAdjustedStartCol--; + } + if (endCol >= i) { + widthAdjustedEndCol--; + } + } + } + var finalEndCol = widthAdjustedEndCol || line.length; + if (trimRight) { + var rightWhitespaceIndex = lineString.search(/\s+$/); + if (rightWhitespaceIndex !== -1) { + finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex); + } + if (finalEndCol <= widthAdjustedStartCol) { + return ''; + } + } + return lineString.substring(widthAdjustedStartCol, finalEndCol); + }; + SelectionManager.prototype.refresh = function (isNewSelection) { + var _this = this; + if (!this._refreshAnimationFrame) { + this._refreshAnimationFrame = window.requestAnimationFrame(function () { return _this._refresh(); }); + } + if (Browser.isLinux && isNewSelection) { + var selectionText = this.selectionText; + if (selectionText.length) { + this.emit('newselection', this.selectionText); + } + } + }; + SelectionManager.prototype._refresh = function () { + this._refreshAnimationFrame = null; + this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd }); + }; + SelectionManager.prototype.selectAll = function () { + this._model.isSelectAllActive = true; + this.refresh(); + }; + SelectionManager.prototype._onTrim = function (amount) { + var needsRefresh = this._model.onTrim(amount); + if (needsRefresh) { + this.refresh(); + } + }; + SelectionManager.prototype._getMouseBufferCoords = function (event) { + var coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true); + coords[0]--; + coords[1]--; + coords[1] += this._terminal.ydisp; + return coords; + }; + SelectionManager.prototype._getMouseEventScrollAmount = function (event) { + var offset = Mouse.getCoordsRelativeToElement(event, this._rowContainer)[1]; + var terminalHeight = this._terminal.rows * this._charMeasure.height; + if (offset >= 0 && offset <= terminalHeight) { + return 0; + } + if (offset > terminalHeight) { + offset -= terminalHeight; + } + offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD); + offset /= DRAG_SCROLL_MAX_THRESHOLD; + return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1)); + }; + SelectionManager.prototype._onMouseDown = function (event) { + if (event.button !== 0) { + return; + } + event.preventDefault(); + this._dragScrollAmount = 0; + this._setMouseClickCount(event); + if (event.shiftKey) { + this._onShiftClick(event); + } + else { + if (this._clickCount === 1) { + this._onSingleClick(event); + } + else if (this._clickCount === 2) { + this._onDoubleClick(event); + } + else if (this._clickCount === 3) { + this._onTripleClick(event); + } + } + this._addMouseDownListeners(); + this.refresh(true); + }; + SelectionManager.prototype._addMouseDownListeners = function () { + var _this = this; + this._rowContainer.ownerDocument.addEventListener('mousemove', this._mouseMoveListener); + this._rowContainer.ownerDocument.addEventListener('mouseup', this._mouseUpListener); + this._dragScrollIntervalTimer = setInterval(function () { return _this._dragScroll(); }, DRAG_SCROLL_INTERVAL); + }; + SelectionManager.prototype._removeMouseDownListeners = function () { + this._rowContainer.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener); + this._rowContainer.ownerDocument.removeEventListener('mouseup', this._mouseUpListener); + clearInterval(this._dragScrollIntervalTimer); + this._dragScrollIntervalTimer = null; + }; + SelectionManager.prototype._onShiftClick = function (event) { + if (this._model.selectionStart) { + this._model.selectionEnd = this._getMouseBufferCoords(event); + } + }; + SelectionManager.prototype._onSingleClick = function (event) { + this._model.selectionStartLength = 0; + this._model.isSelectAllActive = false; + this._activeSelectionMode = SelectionMode.NORMAL; + this._model.selectionStart = this._getMouseBufferCoords(event); + if (this._model.selectionStart) { + this._model.selectionEnd = null; + var char = this._buffer.get(this._model.selectionStart[1])[this._model.selectionStart[0]]; + if (char[LINE_DATA_WIDTH_INDEX] === 0) { + this._model.selectionStart[0]++; + } + } + }; + SelectionManager.prototype._onDoubleClick = function (event) { + var coords = this._getMouseBufferCoords(event); + if (coords) { + this._activeSelectionMode = SelectionMode.WORD; + this._selectWordAt(coords); + } + }; + SelectionManager.prototype._onTripleClick = function (event) { + var coords = this._getMouseBufferCoords(event); + if (coords) { + this._activeSelectionMode = SelectionMode.LINE; + this._selectLineAt(coords[1]); + } + }; + SelectionManager.prototype._setMouseClickCount = function (event) { + var currentTime = (new Date()).getTime(); + if (currentTime - this._lastMouseDownTime > CLEAR_MOUSE_DOWN_TIME || this._distanceFromLastMousePosition(event) > CLEAR_MOUSE_DISTANCE) { + this._clickCount = 0; + } + this._lastMouseDownTime = currentTime; + this._lastMousePosition = [event.pageX, event.pageY]; + this._clickCount++; + }; + SelectionManager.prototype._distanceFromLastMousePosition = function (event) { + var result = Math.max(Math.abs(this._lastMousePosition[0] - event.pageX), Math.abs(this._lastMousePosition[1] - event.pageY)); + return result; + }; + SelectionManager.prototype._onMouseMove = function (event) { + var previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null; + this._model.selectionEnd = this._getMouseBufferCoords(event); + if (this._activeSelectionMode === SelectionMode.LINE) { + if (this._model.selectionEnd[1] < this._model.selectionStart[1]) { + this._model.selectionEnd[0] = 0; + } + else { + this._model.selectionEnd[0] = this._terminal.cols; + } + } + else if (this._activeSelectionMode === SelectionMode.WORD) { + this._selectToWordAt(this._model.selectionEnd); + } + this._dragScrollAmount = this._getMouseEventScrollAmount(event); + if (this._dragScrollAmount > 0) { + this._model.selectionEnd[0] = this._terminal.cols - 1; + } + else if (this._dragScrollAmount < 0) { + this._model.selectionEnd[0] = 0; + } + if (this._model.selectionEnd[1] < this._buffer.length) { + var char = this._buffer.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]]; + if (char && char[2] === 0) { + this._model.selectionEnd[0]++; + } + } + if (!previousSelectionEnd || + previousSelectionEnd[0] !== this._model.selectionEnd[0] || + previousSelectionEnd[1] !== this._model.selectionEnd[1]) { + this.refresh(true); + } + }; + SelectionManager.prototype._dragScroll = function () { + if (this._dragScrollAmount) { + this._terminal.scrollDisp(this._dragScrollAmount, false); + if (this._dragScrollAmount > 0) { + this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.ydisp + this._terminal.rows]; + } + else { + this._model.selectionEnd = [0, this._terminal.ydisp]; + } + this.refresh(); + } + }; + SelectionManager.prototype._onMouseUp = function (event) { + this._removeMouseDownListeners(); + }; + SelectionManager.prototype._convertViewportColToCharacterIndex = function (bufferLine, coords) { + var charIndex = coords[0]; + for (var i = 0; coords[0] >= i; i++) { + var char = bufferLine[i]; + if (char[LINE_DATA_WIDTH_INDEX] === 0) { + charIndex--; + } + } + return charIndex; + }; + SelectionManager.prototype._getWordAt = function (coords) { + var bufferLine = this._buffer.get(coords[1]); + var line = this._translateBufferLineToString(bufferLine, false); + var endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords); + var startIndex = endIndex; + var charOffset = coords[0] - startIndex; + var leftWideCharCount = 0; + var rightWideCharCount = 0; + if (line.charAt(startIndex) === ' ') { + while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') { + startIndex--; + } + while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') { + endIndex++; + } + } + else { + var startCol = coords[0]; + var endCol = coords[0]; + if (bufferLine[startCol][LINE_DATA_WIDTH_INDEX] === 0) { + leftWideCharCount++; + startCol--; + } + if (bufferLine[endCol][LINE_DATA_WIDTH_INDEX] === 2) { + rightWideCharCount++; + endCol++; + } + while (startIndex > 0 && !this._isCharWordSeparator(line.charAt(startIndex - 1))) { + if (bufferLine[startCol - 1][LINE_DATA_WIDTH_INDEX] === 0) { + leftWideCharCount++; + startCol--; + } + startIndex--; + startCol--; + } + while (endIndex + 1 < line.length && !this._isCharWordSeparator(line.charAt(endIndex + 1))) { + if (bufferLine[endCol + 1][LINE_DATA_WIDTH_INDEX] === 2) { + rightWideCharCount++; + endCol++; + } + endIndex++; + endCol++; + } + } + var start = startIndex + charOffset - leftWideCharCount; + var length = Math.min(endIndex - startIndex + leftWideCharCount + rightWideCharCount + 1, this._terminal.cols); + return { start: start, length: length }; + }; + SelectionManager.prototype._selectWordAt = function (coords) { + var wordPosition = this._getWordAt(coords); + this._model.selectionStart = [wordPosition.start, coords[1]]; + this._model.selectionStartLength = wordPosition.length; + }; + SelectionManager.prototype._selectToWordAt = function (coords) { + var wordPosition = this._getWordAt(coords); + this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]]; + }; + SelectionManager.prototype._isCharWordSeparator = function (char) { + return WORD_SEPARATORS.indexOf(char) >= 0; + }; + SelectionManager.prototype._selectLineAt = function (line) { + this._model.selectionStart = [0, line]; + this._model.selectionStartLength = this._terminal.cols; + }; + return SelectionManager; +}(EventEmitter_1.EventEmitter)); +exports.SelectionManager = SelectionManager; + + + +},{"./EventEmitter":4,"./SelectionModel":10,"./utils/Browser":13,"./utils/Mouse":18}],10:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var SelectionModel = (function () { + function SelectionModel(_terminal) { + this._terminal = _terminal; + this.clearSelection(); + } + SelectionModel.prototype.clearSelection = function () { + this.selectionStart = null; + this.selectionEnd = null; + this.isSelectAllActive = false; + this.selectionStartLength = 0; + }; + Object.defineProperty(SelectionModel.prototype, "finalSelectionStart", { + get: function () { + if (this.isSelectAllActive) { + return [0, 0]; + } + if (!this.selectionEnd || !this.selectionStart) { + return this.selectionStart; + } + return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(SelectionModel.prototype, "finalSelectionEnd", { + get: function () { + if (this.isSelectAllActive) { + return [this._terminal.cols, this._terminal.ybase + this._terminal.rows - 1]; + } + if (!this.selectionStart) { + return null; + } + if (!this.selectionEnd || this.areSelectionValuesReversed()) { + return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]]; + } + if (this.selectionStartLength) { + if (this.selectionEnd[1] === this.selectionStart[1]) { + return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]]; + } + } + return this.selectionEnd; + }, + enumerable: true, + configurable: true + }); + SelectionModel.prototype.areSelectionValuesReversed = function () { + var start = this.selectionStart; + var end = this.selectionEnd; + return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]); + }; + SelectionModel.prototype.onTrim = function (amount) { + if (this.selectionStart) { + this.selectionStart[1] -= amount; + } + if (this.selectionEnd) { + this.selectionEnd[1] -= amount; + } + if (this.selectionEnd && this.selectionEnd[1] < 0) { + this.clearSelection(); + return true; + } + if (this.selectionStart && this.selectionStart[1] < 0) { + this.selectionStart[1] = 0; + } + return false; + }; + return SelectionModel; +}()); +exports.SelectionModel = SelectionModel; + + + +},{}],11:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var Viewport = (function () { + function Viewport(terminal, viewportElement, scrollArea, charMeasure) { + var _this = this; + this.terminal = terminal; + this.viewportElement = viewportElement; + this.scrollArea = scrollArea; + this.charMeasure = charMeasure; + this.currentRowHeight = 0; + this.lastRecordedBufferLength = 0; + this.lastRecordedViewportHeight = 0; + this.terminal.on('scroll', this.syncScrollArea.bind(this)); + this.terminal.on('resize', this.syncScrollArea.bind(this)); + this.viewportElement.addEventListener('scroll', this.onScroll.bind(this)); + setTimeout(function () { return _this.syncScrollArea(); }, 0); + } + Viewport.prototype.refresh = function () { + if (this.charMeasure.height > 0) { + var rowHeightChanged = this.charMeasure.height !== this.currentRowHeight; + if (rowHeightChanged) { + this.currentRowHeight = this.charMeasure.height; + this.viewportElement.style.lineHeight = this.charMeasure.height + 'px'; + this.terminal.rowContainer.style.lineHeight = this.charMeasure.height + 'px'; + } + var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows; + if (rowHeightChanged || viewportHeightChanged) { + this.lastRecordedViewportHeight = this.terminal.rows; + this.viewportElement.style.height = this.charMeasure.height * this.terminal.rows + 'px'; + this.terminal.selectionContainer.style.height = this.viewportElement.style.height; + } + this.scrollArea.style.height = (this.charMeasure.height * this.lastRecordedBufferLength) + 'px'; + } + }; + Viewport.prototype.syncScrollArea = function () { + if (this.lastRecordedBufferLength !== this.terminal.lines.length) { + this.lastRecordedBufferLength = this.terminal.lines.length; + this.refresh(); + } + else if (this.lastRecordedViewportHeight !== this.terminal.rows) { + this.refresh(); + } + else { + if (this.charMeasure.height !== this.currentRowHeight) { + this.refresh(); + } + } + var scrollTop = this.terminal.ydisp * this.currentRowHeight; + if (this.viewportElement.scrollTop !== scrollTop) { + this.viewportElement.scrollTop = scrollTop; + } + }; + Viewport.prototype.onScroll = function (ev) { + var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight); + var diff = newRow - this.terminal.ydisp; + this.terminal.scrollDisp(diff, true); + }; + Viewport.prototype.onWheel = function (ev) { + if (ev.deltaY === 0) { + return; + } + var multiplier = 1; + if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) { + multiplier = this.currentRowHeight; + } + else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) { + multiplier = this.currentRowHeight * this.terminal.rows; + } + this.viewportElement.scrollTop += ev.deltaY * multiplier; + ev.preventDefault(); + }; + ; + Viewport.prototype.onTouchStart = function (ev) { + this.lastTouchY = ev.touches[0].pageY; + }; + ; + Viewport.prototype.onTouchMove = function (ev) { + var deltaY = this.lastTouchY - ev.touches[0].pageY; + this.lastTouchY = ev.touches[0].pageY; + if (deltaY === 0) { + return; + } + this.viewportElement.scrollTop += deltaY; + ev.preventDefault(); + }; + ; + return Viewport; +}()); +exports.Viewport = Viewport; + + + +},{}],12:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +function prepareTextForTerminal(text, isMSWindows) { + if (isMSWindows) { + return text.replace(/\r?\n/g, '\r'); + } + return text; +} +exports.prepareTextForTerminal = prepareTextForTerminal; +function copyHandler(ev, term, selectionManager) { + if (term.browser.isMSIE) { + window.clipboardData.setData('Text', selectionManager.selectionText); + } + else { + ev.clipboardData.setData('text/plain', selectionManager.selectionText); + } + ev.preventDefault(); +} +exports.copyHandler = copyHandler; +function pasteHandler(ev, term) { + ev.stopPropagation(); + var text; + var dispatchPaste = function (text) { + text = prepareTextForTerminal(text, term.browser.isMSWindows); + term.handler(text); + term.textarea.value = ''; + term.emit('paste', text); + return term.cancel(ev); + }; + if (term.browser.isMSIE) { + if (window.clipboardData) { + text = window.clipboardData.getData('Text'); + dispatchPaste(text); + } + } + else { + if (ev.clipboardData) { + text = ev.clipboardData.getData('text/plain'); + dispatchPaste(text); + } + } +} +exports.pasteHandler = pasteHandler; +function moveTextAreaUnderMouseCursor(ev, textarea) { + textarea.style.position = 'fixed'; + textarea.style.width = '20px'; + textarea.style.height = '20px'; + textarea.style.left = (ev.clientX - 10) + 'px'; + textarea.style.top = (ev.clientY - 10) + 'px'; + textarea.style.zIndex = '1000'; + textarea.focus(); + setTimeout(function () { + textarea.style.position = null; + textarea.style.width = null; + textarea.style.height = null; + textarea.style.left = null; + textarea.style.top = null; + textarea.style.zIndex = null; + }, 4); +} +exports.moveTextAreaUnderMouseCursor = moveTextAreaUnderMouseCursor; +function rightClickHandler(ev, textarea, selectionManager) { + moveTextAreaUnderMouseCursor(ev, textarea); + textarea.value = selectionManager.selectionText; + textarea.select(); +} +exports.rightClickHandler = rightClickHandler; + + + +},{}],13:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var Generic_1 = require("./Generic"); +var isNode = (typeof navigator === 'undefined') ? true : false; +var userAgent = (isNode) ? 'node' : navigator.userAgent; +var platform = (isNode) ? 'node' : navigator.platform; +exports.isFirefox = !!~userAgent.indexOf('Firefox'); +exports.isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident'); +exports.isMac = Generic_1.contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform); +exports.isIpad = platform === 'iPad'; +exports.isIphone = platform === 'iPhone'; +exports.isMSWindows = Generic_1.contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform); +exports.isLinux = platform.indexOf('Linux') >= 0; + + + +},{"./Generic":17}],14:[function(require,module,exports){ +"use strict"; +var __extends = (this && this.__extends) || (function () { + var extendStatics = Object.setPrototypeOf || + ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || + function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; + return function (d, b) { + extendStatics(d, b); + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); + }; +})(); +Object.defineProperty(exports, "__esModule", { value: true }); +var EventEmitter_js_1 = require("../EventEmitter.js"); +var CharMeasure = (function (_super) { + __extends(CharMeasure, _super); + function CharMeasure(document, parentElement) { + var _this = _super.call(this) || this; + _this._document = document; + _this._parentElement = parentElement; + return _this; + } + Object.defineProperty(CharMeasure.prototype, "width", { + get: function () { + return this._width; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(CharMeasure.prototype, "height", { + get: function () { + return this._height; + }, + enumerable: true, + configurable: true + }); + CharMeasure.prototype.measure = function () { + var _this = this; + if (!this._measureElement) { + this._measureElement = this._document.createElement('span'); + this._measureElement.style.position = 'absolute'; + this._measureElement.style.top = '0'; + this._measureElement.style.left = '-9999em'; + this._measureElement.textContent = 'W'; + this._measureElement.setAttribute('aria-hidden', 'true'); + this._parentElement.appendChild(this._measureElement); + setTimeout(function () { return _this._doMeasure(); }, 0); + } + else { + this._doMeasure(); + } + }; + CharMeasure.prototype._doMeasure = function () { + var geometry = this._measureElement.getBoundingClientRect(); + if (geometry.width === 0 || geometry.height === 0) { + return; + } + if (this._width !== geometry.width || this._height !== geometry.height) { + this._width = geometry.width; + this._height = geometry.height; + this.emit('charsizechanged'); + } + }; + return CharMeasure; +}(EventEmitter_js_1.EventEmitter)); +exports.CharMeasure = CharMeasure; + + + +},{"../EventEmitter.js":4}],15:[function(require,module,exports){ +"use strict"; +var __extends = (this && this.__extends) || (function () { + var extendStatics = Object.setPrototypeOf || + ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || + function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; + return function (d, b) { + extendStatics(d, b); + function __() { this.constructor = d; } + d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); + }; +})(); +Object.defineProperty(exports, "__esModule", { value: true }); +var EventEmitter_1 = require("../EventEmitter"); +var CircularList = (function (_super) { + __extends(CircularList, _super); + function CircularList(maxLength) { + var _this = _super.call(this) || this; + _this._array = new Array(maxLength); + _this._startIndex = 0; + _this._length = 0; + return _this; + } + Object.defineProperty(CircularList.prototype, "maxLength", { + get: function () { + return this._array.length; + }, + set: function (newMaxLength) { + var newArray = new Array(newMaxLength); + for (var i = 0; i < Math.min(newMaxLength, this.length); i++) { + newArray[i] = this._array[this._getCyclicIndex(i)]; + } + this._array = newArray; + this._startIndex = 0; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(CircularList.prototype, "length", { + get: function () { + return this._length; + }, + set: function (newLength) { + if (newLength > this._length) { + for (var i = this._length; i < newLength; i++) { + this._array[i] = undefined; + } + } + this._length = newLength; + }, + enumerable: true, + configurable: true + }); + Object.defineProperty(CircularList.prototype, "forEach", { + get: function () { + var _this = this; + return function (callbackfn) { + var i = 0; + var length = _this.length; + for (var i_1 = 0; i_1 < length; i_1++) { + callbackfn(_this.get(i_1), i_1); + } + }; + }, + enumerable: true, + configurable: true + }); + CircularList.prototype.get = function (index) { + return this._array[this._getCyclicIndex(index)]; + }; + CircularList.prototype.set = function (index, value) { + this._array[this._getCyclicIndex(index)] = value; + }; + CircularList.prototype.push = function (value) { + this._array[this._getCyclicIndex(this._length)] = value; + if (this._length === this.maxLength) { + this._startIndex++; + if (this._startIndex === this.maxLength) { + this._startIndex = 0; + } + this.emit('trim', 1); + } + else { + this._length++; + } + }; + CircularList.prototype.pop = function () { + return this._array[this._getCyclicIndex(this._length-- - 1)]; + }; + CircularList.prototype.splice = function (start, deleteCount) { + var items = []; + for (var _i = 2; _i < arguments.length; _i++) { + items[_i - 2] = arguments[_i]; + } + if (deleteCount) { + for (var i = start; i < this._length - deleteCount; i++) { + this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)]; + } + this._length -= deleteCount; + } + if (items && items.length) { + for (var i = this._length - 1; i >= start; i--) { + this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)]; + } + for (var i = 0; i < items.length; i++) { + this._array[this._getCyclicIndex(start + i)] = items[i]; + } + if (this._length + items.length > this.maxLength) { + var countToTrim = (this._length + items.length) - this.maxLength; + this._startIndex += countToTrim; + this._length = this.maxLength; + this.emit('trim', countToTrim); + } + else { + this._length += items.length; + } + } + }; + CircularList.prototype.trimStart = function (count) { + if (count > this._length) { + count = this._length; + } + this._startIndex += count; + this._length -= count; + this.emit('trim', count); + }; + CircularList.prototype.shiftElements = function (start, count, offset) { + if (count <= 0) { + return; + } + if (start < 0 || start >= this._length) { + throw new Error('start argument out of range'); + } + if (start + offset < 0) { + throw new Error('Cannot shift elements in list beyond index 0'); + } + if (offset > 0) { + for (var i = count - 1; i >= 0; i--) { + this.set(start + i + offset, this.get(start + i)); + } + var expandListBy = (start + count + offset) - this._length; + if (expandListBy > 0) { + this._length += expandListBy; + while (this._length > this.maxLength) { + this._length--; + this._startIndex++; + this.emit('trim', 1); + } + } + } + else { + for (var i = 0; i < count; i++) { + this.set(start + i + offset, this.get(start + i)); + } + } + }; + CircularList.prototype._getCyclicIndex = function (index) { + return (this._startIndex + index) % this.maxLength; + }; + return CircularList; +}(EventEmitter_1.EventEmitter)); +exports.CircularList = CircularList; + + + +},{"../EventEmitter":4}],16:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var DomElementObjectPool = (function () { + function DomElementObjectPool(type) { + this.type = type; + this._type = type; + this._pool = []; + this._inUse = {}; + } + DomElementObjectPool.prototype.acquire = function () { + var element; + if (this._pool.length === 0) { + element = this._createNew(); + } + else { + element = this._pool.pop(); + } + this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)] = element; + return element; + }; + DomElementObjectPool.prototype.release = function (element) { + if (!this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]) { + throw new Error('Could not release an element not yet acquired'); + } + delete this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]; + this._cleanElement(element); + this._pool.push(element); + }; + DomElementObjectPool.prototype._createNew = function () { + var element = document.createElement(this._type); + var id = DomElementObjectPool._objectCount++; + element.setAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE, id.toString(10)); + return element; + }; + DomElementObjectPool.prototype._cleanElement = function (element) { + element.className = ''; + element.innerHTML = ''; + }; + return DomElementObjectPool; +}()); +DomElementObjectPool.OBJECT_ID_ATTRIBUTE = 'data-obj-id'; +DomElementObjectPool._objectCount = 0; +exports.DomElementObjectPool = DomElementObjectPool; + + + +},{}],17:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +function contains(arr, el) { + return arr.indexOf(el) >= 0; +} +exports.contains = contains; +; + + + +},{}],18:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +function getCoordsRelativeToElement(event, element) { + if (event.pageX == null) { + return null; + } + var x = event.pageX; + var y = event.pageY; + while (element && element !== self.document.documentElement) { + x -= element.offsetLeft; + y -= element.offsetTop; + element = 'offsetParent' in element ? element.offsetParent : element.parentElement; + } + return [x, y]; +} +exports.getCoordsRelativeToElement = getCoordsRelativeToElement; +function getCoords(event, rowContainer, charMeasure, colCount, rowCount, isSelection) { + var coords = getCoordsRelativeToElement(event, rowContainer); + coords[0] = Math.ceil((coords[0] + (isSelection ? charMeasure.width / 2 : 0)) / charMeasure.width); + coords[1] = Math.ceil(coords[1] / charMeasure.height); + coords[0] = Math.min(Math.max(coords[0], 1), colCount + 1); + coords[1] = Math.min(Math.max(coords[1], 1), rowCount + 1); + return coords; +} +exports.getCoords = getCoords; +function getRawByteCoords(event, rowContainer, charMeasure, colCount, rowCount) { + var coords = getCoords(event, rowContainer, charMeasure, colCount, rowCount); + var x = coords[0]; + var y = coords[1]; + x += 32; + y += 32; + return { x: x, y: y }; +} +exports.getRawByteCoords = getRawByteCoords; + + + +},{}],19:[function(require,module,exports){ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +var CompositionHelper_1 = require("./CompositionHelper"); +var EventEmitter_1 = require("./EventEmitter"); +var Viewport_1 = require("./Viewport"); +var Clipboard_1 = require("./handlers/Clipboard"); +var CircularList_1 = require("./utils/CircularList"); +var EscapeSequences_1 = require("./EscapeSequences"); +var InputHandler_1 = require("./InputHandler"); +var Parser_1 = require("./Parser"); +var Renderer_1 = require("./Renderer"); +var Linkifier_1 = require("./Linkifier"); +var SelectionManager_1 = require("./SelectionManager"); +var CharMeasure_1 = require("./utils/CharMeasure"); +var Browser = require("./utils/Browser"); +var Mouse_1 = require("./utils/Mouse"); +var document = (typeof window != 'undefined') ? window.document : null; +var WRITE_BUFFER_PAUSE_THRESHOLD = 5; +var WRITE_BATCH_SIZE = 300; +var CURSOR_BLINK_INTERVAL = 600; +function Terminal(options) { + var self = this; + if (!(this instanceof Terminal)) { + return new Terminal(arguments[0], arguments[1], arguments[2]); + } + self.browser = Browser; + self.cancel = Terminal.cancel; + EventEmitter_1.EventEmitter.call(this); + if (typeof options === 'number') { + options = { + cols: arguments[0], + rows: arguments[1], + handler: arguments[2] + }; + } + options = options || {}; + Object.keys(Terminal.defaults).forEach(function (key) { + if (options[key] == null) { + options[key] = Terminal.options[key]; + if (Terminal[key] !== Terminal.defaults[key]) { + options[key] = Terminal[key]; + } + } + self[key] = options[key]; + }); + if (options.colors.length === 8) { + options.colors = options.colors.concat(Terminal._colors.slice(8)); + } + else if (options.colors.length === 16) { + options.colors = options.colors.concat(Terminal._colors.slice(16)); + } + else if (options.colors.length === 10) { + options.colors = options.colors.slice(0, -2).concat(Terminal._colors.slice(8, -2), options.colors.slice(-2)); + } + else if (options.colors.length === 18) { + options.colors = options.colors.concat(Terminal._colors.slice(16, -2), options.colors.slice(-2)); + } + this.colors = options.colors; + this.options = options; + this.parent = options.body || options.parent || (document ? document.getElementsByTagName('body')[0] : null); + this.cols = options.cols || options.geometry[0]; + this.rows = options.rows || options.geometry[1]; + this.geometry = [this.cols, this.rows]; + if (options.handler) { + this.on('data', options.handler); + } + this.ybase = 0; + this.ydisp = 0; + this.x = 0; + this.y = 0; + this.cursorState = 0; + this.cursorHidden = false; + this.convertEol; + this.queue = ''; + this.scrollTop = 0; + this.scrollBottom = this.rows - 1; + this.customKeyEventHandler = null; + this.cursorBlinkInterval = null; + this.applicationKeypad = false; + this.applicationCursor = false; + this.originMode = false; + this.insertMode = false; + this.wraparoundMode = true; + this.normal = null; + this.charset = null; + this.gcharset = null; + this.glevel = 0; + this.charsets = [null]; + this.decLocator; + this.x10Mouse; + this.vt200Mouse; + this.vt300Mouse; + this.normalMouse; + this.mouseEvents; + this.sendFocus; + this.utfMouse; + this.sgrMouse; + this.urxvtMouse; + this.element; + this.children; + this.refreshStart; + this.refreshEnd; + this.savedX; + this.savedY; + this.savedCols; + this.readable = true; + this.writable = true; + this.defAttr = (0 << 18) | (257 << 9) | (256 << 0); + this.curAttr = this.defAttr; + this.params = []; + this.currentParam = 0; + this.prefix = ''; + this.postfix = ''; + this.inputHandler = new InputHandler_1.InputHandler(this); + this.parser = new Parser_1.Parser(this.inputHandler, this); + this.renderer = this.renderer || null; + this.selectionManager = this.selectionManager || null; + this.linkifier = this.linkifier || new Linkifier_1.Linkifier(); + this.writeBuffer = []; + this.writeInProgress = false; + this.xoffSentToCatchUp = false; + this.writeStopped = false; + this.surrogate_high = ''; + this.lines = new CircularList_1.CircularList(this.scrollback); + var i = this.rows; + while (i--) { + this.lines.push(this.blankLine()); + } + if (this.selectionManager) { + this.selectionManager.setBuffer(this.lines); + } + this.tabs; + this.setupStops(); + this.userScrolling = false; +} +inherits(Terminal, EventEmitter_1.EventEmitter); +Terminal.prototype.eraseAttr = function () { + return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff); +}; +Terminal.tangoColors = [ + '#2e3436', + '#cc0000', + '#4e9a06', + '#c4a000', + '#3465a4', + '#75507b', + '#06989a', + '#d3d7cf', + '#555753', + '#ef2929', + '#8ae234', + '#fce94f', + '#729fcf', + '#ad7fa8', + '#34e2e2', + '#eeeeec' +]; +Terminal.colors = (function () { + var colors = Terminal.tangoColors.slice(), r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff], i; + i = 0; + for (; i < 216; i++) { + out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]); + } + i = 0; + for (; i < 24; i++) { + r = 8 + i * 10; + out(r, r, r); + } + function out(r, g, b) { + colors.push('#' + hex(r) + hex(g) + hex(b)); + } + function hex(c) { + c = c.toString(16); + return c.length < 2 ? '0' + c : c; + } + return colors; +})(); +Terminal._colors = Terminal.colors.slice(); +Terminal.vcolors = (function () { + var out = [], colors = Terminal.colors, i = 0, color; + for (; i < 256; i++) { + color = parseInt(colors[i].substring(1), 16); + out.push([ + (color >> 16) & 0xff, + (color >> 8) & 0xff, + color & 0xff + ]); + } + return out; +})(); +Terminal.defaults = { + colors: Terminal.colors, + theme: 'default', + convertEol: false, + termName: 'xterm', + geometry: [80, 24], + cursorBlink: false, + cursorStyle: 'block', + visualBell: false, + popOnBell: false, + scrollback: 1000, + screenKeys: false, + debug: false, + cancelEvents: false, + disableStdin: false, + useFlowControl: false, + tabStopWidth: 8 +}; +Terminal.options = {}; +Terminal.focus = null; +each(keys(Terminal.defaults), function (key) { + Terminal[key] = Terminal.defaults[key]; + Terminal.options[key] = Terminal.defaults[key]; +}); +Terminal.prototype.focus = function () { + return this.textarea.focus(); +}; +Terminal.prototype.getOption = function (key, value) { + if (!(key in Terminal.defaults)) { + throw new Error('No option with key "' + key + '"'); + } + if (typeof this.options[key] !== 'undefined') { + return this.options[key]; + } + return this[key]; +}; +Terminal.prototype.setOption = function (key, value) { + if (!(key in Terminal.defaults)) { + throw new Error('No option with key "' + key + '"'); + } + switch (key) { + case 'scrollback': + if (value < this.rows) { + var msg = 'Setting the scrollback value less than the number of rows '; + msg += "(" + this.rows + ") is not allowed."; + console.warn(msg); + return false; + } + if (this.options[key] !== value) { + if (this.lines.length > value) { + var amountToTrim = this.lines.length - value; + var needsRefresh = (this.ydisp - amountToTrim < 0); + this.lines.trimStart(amountToTrim); + this.ybase = Math.max(this.ybase - amountToTrim, 0); + this.ydisp = Math.max(this.ydisp - amountToTrim, 0); + if (needsRefresh) { + this.refresh(0, this.rows - 1); + } + } + this.lines.maxLength = value; + this.viewport.syncScrollArea(); + } + break; + } + this[key] = value; + this.options[key] = value; + switch (key) { + case 'cursorBlink': + this.setCursorBlinking(value); + break; + case 'cursorStyle': + this.element.classList.toggle("xterm-cursor-style-underline", value === 'underline'); + this.element.classList.toggle("xterm-cursor-style-bar", value === 'bar'); + break; + case 'tabStopWidth': + this.setupStops(); + break; + } +}; +Terminal.prototype.restartCursorBlinking = function () { + this.setCursorBlinking(this.options.cursorBlink); +}; +Terminal.prototype.setCursorBlinking = function (enabled) { + this.element.classList.toggle('xterm-cursor-blink', enabled); + this.clearCursorBlinkingInterval(); + if (enabled) { + var self = this; + this.cursorBlinkInterval = setInterval(function () { + self.element.classList.toggle('xterm-cursor-blink-on'); + }, CURSOR_BLINK_INTERVAL); + } +}; +Terminal.prototype.clearCursorBlinkingInterval = function () { + this.element.classList.remove('xterm-cursor-blink-on'); + if (this.cursorBlinkInterval) { + clearInterval(this.cursorBlinkInterval); + this.cursorBlinkInterval = null; + } +}; +Terminal.bindFocus = function (term) { + on(term.textarea, 'focus', function (ev) { + if (term.sendFocus) { + term.send(EscapeSequences_1.C0.ESC + '[I'); + } + term.element.classList.add('focus'); + term.showCursor(); + term.restartCursorBlinking.apply(term); + Terminal.focus = term; + term.emit('focus', { terminal: term }); + }); +}; +Terminal.prototype.blur = function () { + return this.textarea.blur(); +}; +Terminal.bindBlur = function (term) { + on(term.textarea, 'blur', function (ev) { + term.refresh(term.y, term.y); + if (term.sendFocus) { + term.send(EscapeSequences_1.C0.ESC + '[O'); + } + term.element.classList.remove('focus'); + term.clearCursorBlinkingInterval.apply(term); + Terminal.focus = null; + term.emit('blur', { terminal: term }); + }); +}; +Terminal.prototype.initGlobal = function () { + var _this = this; + var term = this; + Terminal.bindKeys(this); + Terminal.bindFocus(this); + Terminal.bindBlur(this); + on(this.element, 'copy', function (event) { + if (_this.mouseEvents) { + return; + } + Clipboard_1.copyHandler(event, term, _this.selectionManager); + }); + var pasteHandlerWrapper = function (event) { return Clipboard_1.pasteHandler(event, term); }; + on(this.textarea, 'paste', pasteHandlerWrapper); + on(this.element, 'paste', pasteHandlerWrapper); + if (term.browser.isFirefox) { + on(this.element, 'mousedown', function (event) { + if (event.button == 2) { + Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager); + } + }); + } + else { + on(this.element, 'contextmenu', function (event) { + Clipboard_1.rightClickHandler(event, _this.textarea, _this.selectionManager); + }); + } + if (term.browser.isLinux) { + on(this.element, 'auxclick', function (event) { + if (event.button === 1) { + Clipboard_1.moveTextAreaUnderMouseCursor(event, _this.textarea, _this.selectionManager); + } + }); + } +}; +Terminal.bindKeys = function (term) { + on(term.element, 'keydown', function (ev) { + if (document.activeElement != this) { + return; + } + term.keyDown(ev); + }, true); + on(term.element, 'keypress', function (ev) { + if (document.activeElement != this) { + return; + } + term.keyPress(ev); + }, true); + on(term.element, 'keyup', function (ev) { + if (!wasMondifierKeyOnlyEvent(ev)) { + term.focus(term); + } + }, true); + on(term.textarea, 'keydown', function (ev) { + term.keyDown(ev); + }, true); + on(term.textarea, 'keypress', function (ev) { + term.keyPress(ev); + this.value = ''; + }, true); + on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper)); + on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper)); + on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper)); + term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper)); + term.on('refresh', function (data) { + term.queueLinkification(data.start, data.end); + }); +}; +Terminal.prototype.insertRow = function (row) { + if (typeof row != 'object') { + row = document.createElement('div'); + } + this.rowContainer.appendChild(row); + this.children.push(row); + return row; +}; +Terminal.prototype.open = function (parent, focus) { + var _this = this; + var self = this, i = 0, div; + this.parent = parent || this.parent; + if (!this.parent) { + throw new Error('Terminal requires a parent element.'); + } + this.context = this.parent.ownerDocument.defaultView; + this.document = this.parent.ownerDocument; + this.body = this.document.getElementsByTagName('body')[0]; + this.element = this.document.createElement('div'); + this.element.classList.add('terminal'); + this.element.classList.add('xterm'); + this.element.classList.add('xterm-theme-' + this.theme); + this.setCursorBlinking(this.options.cursorBlink); + this.element.setAttribute('tabindex', 0); + this.viewportElement = document.createElement('div'); + this.viewportElement.classList.add('xterm-viewport'); + this.element.appendChild(this.viewportElement); + this.viewportScrollArea = document.createElement('div'); + this.viewportScrollArea.classList.add('xterm-scroll-area'); + this.viewportElement.appendChild(this.viewportScrollArea); + this.selectionContainer = document.createElement('div'); + this.selectionContainer.classList.add('xterm-selection'); + this.element.appendChild(this.selectionContainer); + this.rowContainer = document.createElement('div'); + this.rowContainer.classList.add('xterm-rows'); + this.element.appendChild(this.rowContainer); + this.children = []; + this.linkifier.attachToDom(document, this.children); + this.helperContainer = document.createElement('div'); + this.helperContainer.classList.add('xterm-helpers'); + this.element.appendChild(this.helperContainer); + this.textarea = document.createElement('textarea'); + this.textarea.classList.add('xterm-helper-textarea'); + this.textarea.setAttribute('autocorrect', 'off'); + this.textarea.setAttribute('autocapitalize', 'off'); + this.textarea.setAttribute('spellcheck', 'false'); + this.textarea.tabIndex = 0; + this.textarea.addEventListener('focus', function () { + self.emit('focus', { terminal: self }); + }); + this.textarea.addEventListener('blur', function () { + self.emit('blur', { terminal: self }); + }); + this.helperContainer.appendChild(this.textarea); + this.compositionView = document.createElement('div'); + this.compositionView.classList.add('composition-view'); + this.compositionHelper = new CompositionHelper_1.CompositionHelper(this.textarea, this.compositionView, this); + this.helperContainer.appendChild(this.compositionView); + this.charSizeStyleElement = document.createElement('style'); + this.helperContainer.appendChild(this.charSizeStyleElement); + for (; i < this.rows; i++) { + this.insertRow(); + } + this.parent.appendChild(this.element); + this.charMeasure = new CharMeasure_1.CharMeasure(document, this.helperContainer); + this.charMeasure.on('charsizechanged', function () { + self.updateCharSizeStyles(); + }); + this.charMeasure.measure(); + this.viewport = new Viewport_1.Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure); + this.renderer = new Renderer_1.Renderer(this); + this.selectionManager = new SelectionManager_1.SelectionManager(this, this.lines, this.rowContainer, this.charMeasure); + this.selectionManager.on('refresh', function (data) { + _this.renderer.refreshSelection(data.start, data.end); + }); + this.selectionManager.on('newselection', function (text) { + _this.textarea.value = text; + _this.textarea.focus(); + _this.textarea.select(); + }); + this.on('scroll', function () { return _this.selectionManager.refresh(); }); + this.viewportElement.addEventListener('scroll', function () { return _this.selectionManager.refresh(); }); + this.refresh(0, this.rows - 1); + this.initGlobal(); + if (typeof focus == 'undefined') { + var message = 'You did not pass the `focus` argument in `Terminal.prototype.open()`.\n'; + message += 'The `focus` argument now defaults to `true` but starting with xterm.js 3.0 '; + message += 'it will default to `false`.'; + console.warn(message); + focus = true; + } + if (focus) { + this.focus(); + } + on(this.element, 'click', function () { + var selection = document.getSelection(), collapsed = selection.isCollapsed, isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range'; + if (!isRange) { + self.focus(); + } + }); + this.bindMouse(); + this.emit('open'); +}; +Terminal.loadAddon = function (addon, callback) { + if (typeof exports === 'object' && typeof module === 'object') { + return require('./addons/' + addon + '/' + addon); + } + else if (typeof define == 'function') { + return require(['./addons/' + addon + '/' + addon], callback); + } + else { + console.error('Cannot load a module without a CommonJS or RequireJS environment.'); + return false; + } +}; +Terminal.prototype.updateCharSizeStyles = function () { + this.charSizeStyleElement.textContent = + ".xterm-wide-char{width:" + this.charMeasure.width * 2 + "px;}" + + (".xterm-normal-char{width:" + this.charMeasure.width + "px;}") + + (".xterm-rows > div{height:" + this.charMeasure.height + "px;}"); +}; +Terminal.prototype.bindMouse = function () { + var el = this.element, self = this, pressed = 32; + function sendButton(ev) { + var button, pos; + button = getButton(ev); + pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows); + if (!pos) + return; + sendEvent(button, pos); + switch (ev.overrideType || ev.type) { + case 'mousedown': + pressed = button; + break; + case 'mouseup': + pressed = 32; + break; + case 'wheel': + break; + } + } + function sendMove(ev) { + var button = pressed, pos; + pos = Mouse_1.getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows); + if (!pos) + return; + button += 32; + sendEvent(button, pos); + } + function encode(data, ch) { + if (!self.utfMouse) { + if (ch === 255) + return data.push(0); + if (ch > 127) + ch = 127; + data.push(ch); + } + else { + if (ch === 2047) + return data.push(0); + if (ch < 127) { + data.push(ch); + } + else { + if (ch > 2047) + ch = 2047; + data.push(0xC0 | (ch >> 6)); + data.push(0x80 | (ch & 0x3F)); + } + } + } + function sendEvent(button, pos) { + if (self.vt300Mouse) { + button &= 3; + pos.x -= 32; + pos.y -= 32; + var data = EscapeSequences_1.C0.ESC + '[24'; + if (button === 0) + data += '1'; + else if (button === 1) + data += '3'; + else if (button === 2) + data += '5'; + else if (button === 3) + return; + else + data += '0'; + data += '~[' + pos.x + ',' + pos.y + ']\r'; + self.send(data); + return; + } + if (self.decLocator) { + button &= 3; + pos.x -= 32; + pos.y -= 32; + if (button === 0) + button = 2; + else if (button === 1) + button = 4; + else if (button === 2) + button = 6; + else if (button === 3) + button = 3; + self.send(EscapeSequences_1.C0.ESC + '[' + + button + + ';' + + (button === 3 ? 4 : 0) + + ';' + + pos.y + + ';' + + pos.x + + ';' + + (pos.page || 0) + + '&w'); + return; + } + if (self.urxvtMouse) { + pos.x -= 32; + pos.y -= 32; + pos.x++; + pos.y++; + self.send(EscapeSequences_1.C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M'); + return; + } + if (self.sgrMouse) { + pos.x -= 32; + pos.y -= 32; + self.send(EscapeSequences_1.C0.ESC + '[<' + + (((button & 3) === 3 ? button & ~3 : button) - 32) + + ';' + + pos.x + + ';' + + pos.y + + ((button & 3) === 3 ? 'm' : 'M')); + return; + } + var data = []; + encode(data, button); + encode(data, pos.x); + encode(data, pos.y); + self.send(EscapeSequences_1.C0.ESC + '[M' + String.fromCharCode.apply(String, data)); + } + function getButton(ev) { + var button, shift, meta, ctrl, mod; + switch (ev.overrideType || ev.type) { + case 'mousedown': + button = ev.button != null + ? +ev.button + : ev.which != null + ? ev.which - 1 + : null; + if (self.browser.isMSIE) { + button = button === 1 ? 0 : button === 4 ? 1 : button; + } + break; + case 'mouseup': + button = 3; + break; + case 'DOMMouseScroll': + button = ev.detail < 0 + ? 64 + : 65; + break; + case 'wheel': + button = ev.wheelDeltaY > 0 + ? 64 + : 65; + break; + } + shift = ev.shiftKey ? 4 : 0; + meta = ev.metaKey ? 8 : 0; + ctrl = ev.ctrlKey ? 16 : 0; + mod = shift | meta | ctrl; + if (self.vt200Mouse) { + mod &= ctrl; + } + else if (!self.normalMouse) { + mod = 0; + } + button = (32 + (mod << 2)) + button; + return button; + } + on(el, 'mousedown', function (ev) { + if (!self.mouseEvents) + return; + sendButton(ev); + self.focus(); + if (self.vt200Mouse) { + ev.overrideType = 'mouseup'; + sendButton(ev); + return self.cancel(ev); + } + if (self.normalMouse) + on(self.document, 'mousemove', sendMove); + if (!self.x10Mouse) { + on(self.document, 'mouseup', function up(ev) { + sendButton(ev); + if (self.normalMouse) + off(self.document, 'mousemove', sendMove); + off(self.document, 'mouseup', up); + return self.cancel(ev); + }); + } + return self.cancel(ev); + }); + on(el, 'wheel', function (ev) { + if (!self.mouseEvents) + return; + if (self.x10Mouse + || self.vt300Mouse + || self.decLocator) + return; + sendButton(ev); + return self.cancel(ev); + }); + on(el, 'wheel', function (ev) { + if (self.mouseEvents) + return; + self.viewport.onWheel(ev); + return self.cancel(ev); + }); + on(el, 'touchstart', function (ev) { + if (self.mouseEvents) + return; + self.viewport.onTouchStart(ev); + return self.cancel(ev); + }); + on(el, 'touchmove', function (ev) { + if (self.mouseEvents) + return; + self.viewport.onTouchMove(ev); + return self.cancel(ev); + }); +}; +Terminal.prototype.destroy = function () { + this.readable = false; + this.writable = false; + this._events = {}; + this.handler = function () { }; + this.write = function () { }; + if (this.element && this.element.parentNode) { + this.element.parentNode.removeChild(this.element); + } +}; +Terminal.prototype.refresh = function (start, end) { + if (this.renderer) { + this.renderer.queueRefresh(start, end); + } +}; +Terminal.prototype.queueLinkification = function (start, end) { + if (this.linkifier) { + for (var i = start; i <= end; i++) { + this.linkifier.linkifyRow(i); + } + } +}; +Terminal.prototype.showCursor = function () { + if (!this.cursorState) { + this.cursorState = 1; + this.refresh(this.y, this.y); + } +}; +Terminal.prototype.scroll = function (isWrapped) { + var row; + if (this.lines.length === this.lines.maxLength) { + this.lines.trimStart(1); + this.ybase--; + if (this.ydisp !== 0) { + this.ydisp--; + } + } + this.ybase++; + if (!this.userScrolling) { + this.ydisp = this.ybase; + } + row = this.ybase + this.rows - 1; + row -= this.rows - 1 - this.scrollBottom; + if (row === this.lines.length) { + this.lines.push(this.blankLine(undefined, isWrapped)); + } + else { + this.lines.splice(row, 0, this.blankLine(undefined, isWrapped)); + } + if (this.scrollTop !== 0) { + if (this.ybase !== 0) { + this.ybase--; + if (!this.userScrolling) { + this.ydisp = this.ybase; + } + } + this.lines.splice(this.ybase + this.scrollTop, 1); + } + this.updateRange(this.scrollTop); + this.updateRange(this.scrollBottom); + this.emit('scroll', this.ydisp); +}; +Terminal.prototype.scrollDisp = function (disp, suppressScrollEvent) { + if (disp < 0) { + if (this.ydisp === 0) { + return; + } + this.userScrolling = true; + } + else if (disp + this.ydisp >= this.ybase) { + this.userScrolling = false; + } + this.ydisp += disp; + if (this.ydisp > this.ybase) { + this.ydisp = this.ybase; + } + else if (this.ydisp < 0) { + this.ydisp = 0; + } + if (!suppressScrollEvent) { + this.emit('scroll', this.ydisp); + } + this.refresh(0, this.rows - 1); +}; +Terminal.prototype.scrollPages = function (pageCount) { + this.scrollDisp(pageCount * (this.rows - 1)); +}; +Terminal.prototype.scrollToTop = function () { + this.scrollDisp(-this.ydisp); +}; +Terminal.prototype.scrollToBottom = function () { + this.scrollDisp(this.ybase - this.ydisp); +}; +Terminal.prototype.write = function (data) { + this.writeBuffer.push(data); + if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) { + this.send(EscapeSequences_1.C0.DC3); + this.xoffSentToCatchUp = true; + } + if (!this.writeInProgress && this.writeBuffer.length > 0) { + this.writeInProgress = true; + var self = this; + setTimeout(function () { + self.innerWrite(); + }); + } +}; +Terminal.prototype.innerWrite = function () { + var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE); + while (writeBatch.length > 0) { + var data = writeBatch.shift(); + var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row; + if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) { + this.send(EscapeSequences_1.C0.DC1); + this.xoffSentToCatchUp = false; + } + this.refreshStart = this.y; + this.refreshEnd = this.y; + var state = this.parser.parse(data); + this.parser.setState(state); + this.updateRange(this.y); + this.refresh(this.refreshStart, this.refreshEnd); + } + if (this.writeBuffer.length > 0) { + var self = this; + setTimeout(function () { + self.innerWrite(); + }, 0); + } + else { + this.writeInProgress = false; + } +}; +Terminal.prototype.writeln = function (data) { + this.write(data + '\r\n'); +}; +Terminal.prototype.attachCustomKeydownHandler = function (customKeydownHandler) { + var message = 'attachCustomKeydownHandler() is DEPRECATED and will be removed soon. Please use attachCustomKeyEventHandler() instead.'; + console.warn(message); + this.attachCustomKeyEventHandler(customKeydownHandler); +}; +Terminal.prototype.attachCustomKeyEventHandler = function (customKeyEventHandler) { + this.customKeyEventHandler = customKeyEventHandler; +}; +Terminal.prototype.setHypertextLinkHandler = function (handler) { + if (!this.linkifier) { + throw new Error('Cannot attach a hypertext link handler before Terminal.open is called'); + } + this.linkifier.setHypertextLinkHandler(handler); + this.refresh(0, this.rows - 1); +}; +Terminal.prototype.setHypertextValidationCallback = function (callback) { + if (!this.linkifier) { + throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called'); + } + this.linkifier.setHypertextValidationCallback(callback); + this.refresh(0, this.rows - 1); +}; +Terminal.prototype.registerLinkMatcher = function (regex, handler, options) { + if (this.linkifier) { + var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options); + this.refresh(0, this.rows - 1); + return matcherId; + } +}; +Terminal.prototype.deregisterLinkMatcher = function (matcherId) { + if (this.linkifier) { + if (this.linkifier.deregisterLinkMatcher(matcherId)) { + this.refresh(0, this.rows - 1); + } + } +}; +Terminal.prototype.hasSelection = function () { + return this.selectionManager.hasSelection; +}; +Terminal.prototype.getSelection = function () { + return this.selectionManager.selectionText; +}; +Terminal.prototype.clearSelection = function () { + this.selectionManager.clearSelection(); +}; +Terminal.prototype.selectAll = function () { + this.selectionManager.selectAll(); +}; +Terminal.prototype.keyDown = function (ev) { + if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) { + return false; + } + this.restartCursorBlinking(); + if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) { + if (this.ybase !== this.ydisp) { + this.scrollToBottom(); + } + return false; + } + var self = this; + var result = this.evaluateKeyEscapeSequence(ev); + if (result.key === EscapeSequences_1.C0.DC3) { + this.writeStopped = true; + } + else if (result.key === EscapeSequences_1.C0.DC1) { + this.writeStopped = false; + } + if (result.scrollDisp) { + this.scrollDisp(result.scrollDisp); + return this.cancel(ev, true); + } + if (isThirdLevelShift(this, ev)) { + return true; + } + if (result.cancel) { + this.cancel(ev, true); + } + if (!result.key) { + return true; + } + this.emit('keydown', ev); + this.emit('key', result.key, ev); + this.showCursor(); + this.handler(result.key); + return this.cancel(ev, true); +}; +Terminal.prototype.evaluateKeyEscapeSequence = function (ev) { + var result = { + cancel: false, + key: undefined, + scrollDisp: undefined + }; + var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3; + switch (ev.keyCode) { + case 8: + if (ev.shiftKey) { + result.key = EscapeSequences_1.C0.BS; + break; + } + result.key = EscapeSequences_1.C0.DEL; + break; + case 9: + if (ev.shiftKey) { + result.key = EscapeSequences_1.C0.ESC + '[Z'; + break; + } + result.key = EscapeSequences_1.C0.HT; + result.cancel = true; + break; + case 13: + result.key = EscapeSequences_1.C0.CR; + result.cancel = true; + break; + case 27: + result.key = EscapeSequences_1.C0.ESC; + result.cancel = true; + break; + case 37: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'D'; + if (result.key == EscapeSequences_1.C0.ESC + '[1;3D') { + result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'b' : EscapeSequences_1.C0.ESC + '[1;5D'; + } + } + else if (this.applicationCursor) { + result.key = EscapeSequences_1.C0.ESC + 'OD'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[D'; + } + break; + case 39: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'C'; + if (result.key == EscapeSequences_1.C0.ESC + '[1;3C') { + result.key = (this.browser.isMac) ? EscapeSequences_1.C0.ESC + 'f' : EscapeSequences_1.C0.ESC + '[1;5C'; + } + } + else if (this.applicationCursor) { + result.key = EscapeSequences_1.C0.ESC + 'OC'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[C'; + } + break; + case 38: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'A'; + if (result.key == EscapeSequences_1.C0.ESC + '[1;3A') { + result.key = EscapeSequences_1.C0.ESC + '[1;5A'; + } + } + else if (this.applicationCursor) { + result.key = EscapeSequences_1.C0.ESC + 'OA'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[A'; + } + break; + case 40: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'B'; + if (result.key == EscapeSequences_1.C0.ESC + '[1;3B') { + result.key = EscapeSequences_1.C0.ESC + '[1;5B'; + } + } + else if (this.applicationCursor) { + result.key = EscapeSequences_1.C0.ESC + 'OB'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[B'; + } + break; + case 45: + if (!ev.shiftKey && !ev.ctrlKey) { + result.key = EscapeSequences_1.C0.ESC + '[2~'; + } + break; + case 46: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[3;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[3~'; + } + break; + case 36: + if (modifiers) + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'H'; + else if (this.applicationCursor) + result.key = EscapeSequences_1.C0.ESC + 'OH'; + else + result.key = EscapeSequences_1.C0.ESC + '[H'; + break; + case 35: + if (modifiers) + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'F'; + else if (this.applicationCursor) + result.key = EscapeSequences_1.C0.ESC + 'OF'; + else + result.key = EscapeSequences_1.C0.ESC + '[F'; + break; + case 33: + if (ev.shiftKey) { + result.scrollDisp = -(this.rows - 1); + } + else { + result.key = EscapeSequences_1.C0.ESC + '[5~'; + } + break; + case 34: + if (ev.shiftKey) { + result.scrollDisp = this.rows - 1; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[6~'; + } + break; + case 112: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'P'; + } + else { + result.key = EscapeSequences_1.C0.ESC + 'OP'; + } + break; + case 113: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'Q'; + } + else { + result.key = EscapeSequences_1.C0.ESC + 'OQ'; + } + break; + case 114: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'R'; + } + else { + result.key = EscapeSequences_1.C0.ESC + 'OR'; + } + break; + case 115: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[1;' + (modifiers + 1) + 'S'; + } + else { + result.key = EscapeSequences_1.C0.ESC + 'OS'; + } + break; + case 116: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[15;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[15~'; + } + break; + case 117: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[17;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[17~'; + } + break; + case 118: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[18;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[18~'; + } + break; + case 119: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[19;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[19~'; + } + break; + case 120: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[20;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[20~'; + } + break; + case 121: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[21;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[21~'; + } + break; + case 122: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[23;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[23~'; + } + break; + case 123: + if (modifiers) { + result.key = EscapeSequences_1.C0.ESC + '[24;' + (modifiers + 1) + '~'; + } + else { + result.key = EscapeSequences_1.C0.ESC + '[24~'; + } + break; + default: + if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) { + if (ev.keyCode >= 65 && ev.keyCode <= 90) { + result.key = String.fromCharCode(ev.keyCode - 64); + } + else if (ev.keyCode === 32) { + result.key = String.fromCharCode(0); + } + else if (ev.keyCode >= 51 && ev.keyCode <= 55) { + result.key = String.fromCharCode(ev.keyCode - 51 + 27); + } + else if (ev.keyCode === 56) { + result.key = String.fromCharCode(127); + } + else if (ev.keyCode === 219) { + result.key = String.fromCharCode(27); + } + else if (ev.keyCode === 220) { + result.key = String.fromCharCode(28); + } + else if (ev.keyCode === 221) { + result.key = String.fromCharCode(29); + } + } + else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) { + if (ev.keyCode >= 65 && ev.keyCode <= 90) { + result.key = EscapeSequences_1.C0.ESC + String.fromCharCode(ev.keyCode + 32); + } + else if (ev.keyCode === 192) { + result.key = EscapeSequences_1.C0.ESC + '`'; + } + else if (ev.keyCode >= 48 && ev.keyCode <= 57) { + result.key = EscapeSequences_1.C0.ESC + (ev.keyCode - 48); + } + } + else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) { + if (ev.keyCode === 65) { + this.selectAll(); + } + } + break; + } + return result; +}; +Terminal.prototype.setgLevel = function (g) { + this.glevel = g; + this.charset = this.charsets[g]; +}; +Terminal.prototype.setgCharset = function (g, charset) { + this.charsets[g] = charset; + if (this.glevel === g) { + this.charset = charset; + } +}; +Terminal.prototype.keyPress = function (ev) { + var key; + if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) { + return false; + } + this.cancel(ev); + if (ev.charCode) { + key = ev.charCode; + } + else if (ev.which == null) { + key = ev.keyCode; + } + else if (ev.which !== 0 && ev.charCode !== 0) { + key = ev.which; + } + else { + return false; + } + if (!key || ((ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev))) { + return false; + } + key = String.fromCharCode(key); + this.emit('keypress', key, ev); + this.emit('key', key, ev); + this.showCursor(); + this.handler(key); + return true; +}; +Terminal.prototype.send = function (data) { + var self = this; + if (!this.queue) { + setTimeout(function () { + self.handler(self.queue); + self.queue = ''; + }, 1); + } + this.queue += data; +}; +Terminal.prototype.bell = function () { + if (!this.visualBell) + return; + var self = this; + this.element.style.borderColor = 'white'; + setTimeout(function () { + self.element.style.borderColor = ''; + }, 10); + if (this.popOnBell) + this.focus(); +}; +Terminal.prototype.log = function () { + if (!this.debug) + return; + if (!this.context.console || !this.context.console.log) + return; + var args = Array.prototype.slice.call(arguments); + this.context.console.log.apply(this.context.console, args); +}; +Terminal.prototype.error = function () { + if (!this.debug) + return; + if (!this.context.console || !this.context.console.error) + return; + var args = Array.prototype.slice.call(arguments); + this.context.console.error.apply(this.context.console, args); +}; +Terminal.prototype.resize = function (x, y) { + if (isNaN(x) || isNaN(y)) { + return; + } + if (y > this.getOption('scrollback')) { + this.setOption('scrollback', y); + } + var line, el, i, j, ch, addToY; + if (x === this.cols && y === this.rows) { + return; + } + if (x < 1) + x = 1; + if (y < 1) + y = 1; + j = this.cols; + if (j < x) { + ch = [this.defAttr, ' ', 1]; + i = this.lines.length; + while (i--) { + while (this.lines.get(i).length < x) { + this.lines.get(i).push(ch); + } + } + } + this.cols = x; + this.setupStops(this.cols); + j = this.rows; + addToY = 0; + if (j < y) { + el = this.element; + while (j++ < y) { + if (this.lines.length < y + this.ybase) { + if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) { + this.ybase--; + addToY++; + if (this.ydisp > 0) { + this.ydisp--; + } + } + else { + this.lines.push(this.blankLine()); + } + } + if (this.children.length < y) { + this.insertRow(); + } + } + } + else { + while (j-- > y) { + if (this.lines.length > y + this.ybase) { + if (this.lines.length > this.ybase + this.y + 1) { + this.lines.pop(); + } + else { + this.ybase++; + this.ydisp++; + } + } + if (this.children.length > y) { + el = this.children.shift(); + if (!el) + continue; + el.parentNode.removeChild(el); + } + } + } + this.rows = y; + if (this.y >= y) { + this.y = y - 1; + } + if (addToY) { + this.y += addToY; + } + if (this.x >= x) { + this.x = x - 1; + } + this.scrollTop = 0; + this.scrollBottom = y - 1; + this.charMeasure.measure(); + this.refresh(0, this.rows - 1); + this.normal = null; + this.geometry = [this.cols, this.rows]; + this.emit('resize', { terminal: this, cols: x, rows: y }); +}; +Terminal.prototype.updateRange = function (y) { + if (y < this.refreshStart) + this.refreshStart = y; + if (y > this.refreshEnd) + this.refreshEnd = y; +}; +Terminal.prototype.maxRange = function () { + this.refreshStart = 0; + this.refreshEnd = this.rows - 1; +}; +Terminal.prototype.setupStops = function (i) { + if (i != null) { + if (!this.tabs[i]) { + i = this.prevStop(i); + } + } + else { + this.tabs = {}; + i = 0; + } + for (; i < this.cols; i += this.getOption('tabStopWidth')) { + this.tabs[i] = true; + } +}; +Terminal.prototype.prevStop = function (x) { + if (x == null) + x = this.x; + while (!this.tabs[--x] && x > 0) + ; + return x >= this.cols + ? this.cols - 1 + : x < 0 ? 0 : x; +}; +Terminal.prototype.nextStop = function (x) { + if (x == null) + x = this.x; + while (!this.tabs[++x] && x < this.cols) + ; + return x >= this.cols + ? this.cols - 1 + : x < 0 ? 0 : x; +}; +Terminal.prototype.eraseRight = function (x, y) { + var line = this.lines.get(this.ybase + y); + if (!line) { + return; + } + var ch = [this.eraseAttr(), ' ', 1]; + for (; x < this.cols; x++) { + line[x] = ch; + } + this.updateRange(y); +}; +Terminal.prototype.eraseLeft = function (x, y) { + var line = this.lines.get(this.ybase + y); + if (!line) { + return; + } + var ch = [this.eraseAttr(), ' ', 1]; + x++; + while (x--) { + line[x] = ch; + } + this.updateRange(y); +}; +Terminal.prototype.clear = function () { + if (this.ybase === 0 && this.y === 0) { + return; + } + this.lines.set(0, this.lines.get(this.ybase + this.y)); + this.lines.length = 1; + this.ydisp = 0; + this.ybase = 0; + this.y = 0; + for (var i = 1; i < this.rows; i++) { + this.lines.push(this.blankLine()); + } + this.refresh(0, this.rows - 1); + this.emit('scroll', this.ydisp); +}; +Terminal.prototype.eraseLine = function (y) { + this.eraseRight(0, y); +}; +Terminal.prototype.blankLine = function (cur, isWrapped) { + var attr = cur + ? this.eraseAttr() + : this.defAttr; + var ch = [attr, ' ', 1], line = [], i = 0; + if (isWrapped) { + line.isWrapped = isWrapped; + } + for (; i < this.cols; i++) { + line[i] = ch; + } + return line; +}; +Terminal.prototype.ch = function (cur) { + return cur + ? [this.eraseAttr(), ' ', 1] + : [this.defAttr, ' ', 1]; +}; +Terminal.prototype.is = function (term) { + var name = this.termName; + return (name + '').indexOf(term) === 0; +}; +Terminal.prototype.handler = function (data) { + if (this.options.disableStdin) { + return; + } + if (this.ybase !== this.ydisp) { + this.scrollToBottom(); + } + this.emit('data', data); +}; +Terminal.prototype.handleTitle = function (title) { + this.emit('title', title); +}; +Terminal.prototype.index = function () { + this.y++; + if (this.y > this.scrollBottom) { + this.y--; + this.scroll(); + } + if (this.x >= this.cols) { + this.x--; + } +}; +Terminal.prototype.reverseIndex = function () { + var j; + if (this.y === this.scrollTop) { + this.lines.shiftElements(this.y + this.ybase, this.rows - 1, 1); + this.lines.set(this.y + this.ybase, this.blankLine(true)); + this.updateRange(this.scrollTop); + this.updateRange(this.scrollBottom); + } + else { + this.y--; + } +}; +Terminal.prototype.reset = function () { + this.options.rows = this.rows; + this.options.cols = this.cols; + var customKeyEventHandler = this.customKeyEventHandler; + var cursorBlinkInterval = this.cursorBlinkInterval; + Terminal.call(this, this.options); + this.customKeyEventHandler = customKeyEventHandler; + this.cursorBlinkInterval = cursorBlinkInterval; + this.refresh(0, this.rows - 1); + this.viewport.syncScrollArea(); +}; +Terminal.prototype.tabSet = function () { + this.tabs[this.x] = true; +}; +function on(el, type, handler, capture) { + if (!Array.isArray(el)) { + el = [el]; + } + el.forEach(function (element) { + element.addEventListener(type, handler, capture || false); + }); +} +function off(el, type, handler, capture) { + el.removeEventListener(type, handler, capture || false); +} +function cancel(ev, force) { + if (!this.cancelEvents && !force) { + return; + } + ev.preventDefault(); + ev.stopPropagation(); + return false; +} +function inherits(child, parent) { + function f() { + this.constructor = child; + } + f.prototype = parent.prototype; + child.prototype = new f; +} +function indexOf(obj, el) { + var i = obj.length; + while (i--) { + if (obj[i] === el) + return i; + } + return -1; +} +function isThirdLevelShift(term, ev) { + var thirdLevelKey = (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) || + (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey); + if (ev.type == 'keypress') { + return thirdLevelKey; + } + return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47); +} +Terminal.prototype.matchColor = matchColor; +function matchColor(r1, g1, b1) { + var hash = (r1 << 16) | (g1 << 8) | b1; + if (matchColor._cache[hash] != null) { + return matchColor._cache[hash]; + } + var ldiff = Infinity, li = -1, i = 0, c, r2, g2, b2, diff; + for (; i < Terminal.vcolors.length; i++) { + c = Terminal.vcolors[i]; + r2 = c[0]; + g2 = c[1]; + b2 = c[2]; + diff = matchColor.distance(r1, g1, b1, r2, g2, b2); + if (diff === 0) { + li = i; + break; + } + if (diff < ldiff) { + ldiff = diff; + li = i; + } + } + return matchColor._cache[hash] = li; +} +matchColor._cache = {}; +matchColor.distance = function (r1, g1, b1, r2, g2, b2) { + return Math.pow(30 * (r1 - r2), 2) + + Math.pow(59 * (g1 - g2), 2) + + Math.pow(11 * (b1 - b2), 2); +}; +function each(obj, iter, con) { + if (obj.forEach) + return obj.forEach(iter, con); + for (var i = 0; i < obj.length; i++) { + iter.call(con, obj[i], i, obj); + } +} +function wasMondifierKeyOnlyEvent(ev) { + return ev.keyCode === 16 || + ev.keyCode === 17 || + ev.keyCode === 18; +} +function keys(obj) { + if (Object.keys) + return Object.keys(obj); + var key, keys = []; + for (key in obj) { + if (Object.prototype.hasOwnProperty.call(obj, key)) { + keys.push(key); + } + } + return keys; +} +Terminal.EventEmitter = EventEmitter_1.EventEmitter; Terminal.inherits = inherits; -/** - * Adds an event listener to the terminal. - * - * @param {string} event The name of the event. TODO: Document all event types - * @param {function} callback The function to call when the event is triggered. - */ Terminal.on = on; Terminal.off = off; Terminal.cancel = cancel; module.exports = Terminal; -},{"./CompositionHelper.js":1,"./EventEmitter.js":2,"./Viewport.js":3,"./handlers/Clipboard.js":4,"./utils/Browser":5}]},{},[7])(7) + + +},{"./CompositionHelper":2,"./EscapeSequences":3,"./EventEmitter":4,"./InputHandler":5,"./Linkifier":6,"./Parser":7,"./Renderer":8,"./SelectionManager":9,"./Viewport":11,"./handlers/Clipboard":12,"./utils/Browser":13,"./utils/CharMeasure":14,"./utils/CircularList":15,"./utils/Mouse":18}]},{},[19])(19) }); //# sourceMappingURL=xterm.js.map diff --git a/www/assets/xterm.js.map b/www/assets/xterm.js.map index 947a586..1e47101 100644 --- a/www/assets/xterm.js.map +++ b/www/assets/xterm.js.map @@ -1 +1 @@ -{"version":3,"file":"xterm.js","sources":["../src/xterm.js","../src/utils/Generic.js","../src/utils/Browser.js","../src/handlers/Clipboard.ts","../src/Viewport.ts","../src/EventEmitter.js","../src/CompositionHelper.ts","../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * xterm.js: xterm, in the browser\n * Originally forked from (with the author's permission):\n * Fabrice Bellard's javascript vt100 for jslinux:\n * http://bellard.org/jslinux/\n * Copyright (c) 2011 Fabrice Bellard\n * The original design remains. The terminal itself\n * has been extended to include xterm CSI codes, among\n * other features.\n * @license MIT\n */\n\nimport { CompositionHelper } from './CompositionHelper.js';\nimport { EventEmitter } from './EventEmitter.js';\nimport { Viewport } from './Viewport.js';\nimport { rightClickHandler, pasteHandler, copyHandler } from './handlers/Clipboard.js';\nimport * as Browser from './utils/Browser';\nimport * as Keyboard from './utils/Keyboard';\n\n/**\n * Terminal Emulation References:\n * http://vt100.net/\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.txt\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * http://invisible-island.net/vttest/\n * http://www.inwap.com/pdp10/ansicode.txt\n * http://linux.die.net/man/4/console_codes\n * http://linux.die.net/man/7/urxvt\n */\n\n// Let it work inside Node.js for automated testing purposes.\nvar document = (typeof window != 'undefined') ? window.document : null;\n\n/**\n * States\n */\nvar normal = 0, escaped = 1, csi = 2, osc = 3, charset = 4, dcs = 5, ignore = 6;\n\n/**\n * Terminal\n */\n\n/**\n * Creates a new `Terminal` object.\n *\n * @param {object} options An object containing a set of options, the available options are:\n * - `cursorBlink` (boolean): Whether the terminal cursor blinks\n * - `cols` (number): The number of columns of the terminal (horizontal size)\n * - `rows` (number): The number of rows of the terminal (vertical size)\n *\n * @public\n * @class Xterm Xterm\n * @alias module:xterm/src/xterm\n */\nfunction Terminal(options) {\n var self = this;\n\n if (!(this instanceof Terminal)) {\n return new Terminal(arguments[0], arguments[1], arguments[2]);\n }\n\n self.browser = Browser;\n self.cancel = Terminal.cancel;\n\n EventEmitter.call(this);\n\n if (typeof options === 'number') {\n options = {\n cols: arguments[0],\n rows: arguments[1],\n handler: arguments[2]\n };\n }\n\n options = options || {};\n\n\n Object.keys(Terminal.defaults).forEach(function(key) {\n if (options[key] == null) {\n options[key] = Terminal.options[key];\n\n if (Terminal[key] !== Terminal.defaults[key]) {\n options[key] = Terminal[key];\n }\n }\n self[key] = options[key];\n });\n\n if (options.colors.length === 8) {\n options.colors = options.colors.concat(Terminal._colors.slice(8));\n } else if (options.colors.length === 16) {\n options.colors = options.colors.concat(Terminal._colors.slice(16));\n } else if (options.colors.length === 10) {\n options.colors = options.colors.slice(0, -2).concat(\n Terminal._colors.slice(8, -2), options.colors.slice(-2));\n } else if (options.colors.length === 18) {\n options.colors = options.colors.concat(\n Terminal._colors.slice(16, -2), options.colors.slice(-2));\n }\n this.colors = options.colors;\n\n this.options = options;\n\n // this.context = options.context || window;\n // this.document = options.document || document;\n this.parent = options.body || options.parent || (\n document ? document.getElementsByTagName('body')[0] : null\n );\n\n this.cols = options.cols || options.geometry[0];\n this.rows = options.rows || options.geometry[1];\n this.geometry = [this.cols, this.rows];\n\n if (options.handler) {\n this.on('data', options.handler);\n }\n\n /**\n * The scroll position of the y cursor, ie. ybase + y = the y position within the entire\n * buffer\n */\n this.ybase = 0;\n\n /**\n * The scroll position of the viewport\n */\n this.ydisp = 0;\n\n /**\n * The cursor's x position after ybase\n */\n this.x = 0;\n\n /**\n * The cursor's y position after ybase\n */\n this.y = 0;\n\n /**\n * Used to debounce the refresh function\n */\n this.isRefreshing = false;\n\n /**\n * Whether there is a full terminal refresh queued\n */\n\n this.cursorState = 0;\n this.cursorHidden = false;\n this.convertEol;\n this.state = 0;\n this.queue = '';\n this.scrollTop = 0;\n this.scrollBottom = this.rows - 1;\n this.customKeydownHandler = null;\n\n // modes\n this.applicationKeypad = false;\n this.applicationCursor = false;\n this.originMode = false;\n this.insertMode = false;\n this.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this.normal = null;\n\n // charset\n this.charset = null;\n this.gcharset = null;\n this.glevel = 0;\n this.charsets = [null];\n\n // mouse properties\n this.decLocator;\n this.x10Mouse;\n this.vt200Mouse;\n this.vt300Mouse;\n this.normalMouse;\n this.mouseEvents;\n this.sendFocus;\n this.utfMouse;\n this.sgrMouse;\n this.urxvtMouse;\n\n // misc\n this.element;\n this.children;\n this.refreshStart;\n this.refreshEnd;\n this.savedX;\n this.savedY;\n this.savedCols;\n\n // stream\n this.readable = true;\n this.writable = true;\n\n this.defAttr = (0 << 18) | (257 << 9) | (256 << 0);\n this.curAttr = this.defAttr;\n\n this.params = [];\n this.currentParam = 0;\n this.prefix = '';\n this.postfix = '';\n\n // leftover surrogate high from previous write invocation\n this.surrogate_high = '';\n\n /**\n * An array of all lines in the entire buffer, including the prompt. The lines are array of\n * characters which are 2-length arrays where [0] is an attribute and [1] is the character.\n */\n this.lines = [];\n var i = this.rows;\n while (i--) {\n this.lines.push(this.blankLine());\n }\n\n this.tabs;\n this.setupStops();\n\n // Store if user went browsing history in scrollback\n this.userScrolling = false;\n}\n\ninherits(Terminal, EventEmitter);\n\n/**\n * back_color_erase feature for xterm.\n */\nTerminal.prototype.eraseAttr = function() {\n // if (this.is('screen')) return this.defAttr;\n return (this.defAttr & ~0x1ff) | (this.curAttr & 0x1ff);\n};\n\n/**\n * Colors\n */\n\n// Colors 0-15\nTerminal.tangoColors = [\n // dark:\n '#2e3436',\n '#cc0000',\n '#4e9a06',\n '#c4a000',\n '#3465a4',\n '#75507b',\n '#06989a',\n '#d3d7cf',\n // bright:\n '#555753',\n '#ef2929',\n '#8ae234',\n '#fce94f',\n '#729fcf',\n '#ad7fa8',\n '#34e2e2',\n '#eeeeec'\n];\n\n// Colors 0-15 + 16-255\n// Much thanks to TooTallNate for writing this.\nTerminal.colors = (function() {\n var colors = Terminal.tangoColors.slice()\n , r = [0x00, 0x5f, 0x87, 0xaf, 0xd7, 0xff]\n , i;\n\n // 16-231\n i = 0;\n for (; i < 216; i++) {\n out(r[(i / 36) % 6 | 0], r[(i / 6) % 6 | 0], r[i % 6]);\n }\n\n // 232-255 (grey)\n i = 0;\n for (; i < 24; i++) {\n r = 8 + i * 10;\n out(r, r, r);\n }\n\n function out(r, g, b) {\n colors.push('#' + hex(r) + hex(g) + hex(b));\n }\n\n function hex(c) {\n c = c.toString(16);\n return c.length < 2 ? '0' + c : c;\n }\n\n return colors;\n})();\n\nTerminal._colors = Terminal.colors.slice();\n\nTerminal.vcolors = (function() {\n var out = []\n , colors = Terminal.colors\n , i = 0\n , color;\n\n for (; i < 256; i++) {\n color = parseInt(colors[i].substring(1), 16);\n out.push([\n (color >> 16) & 0xff,\n (color >> 8) & 0xff,\n color & 0xff\n ]);\n }\n\n return out;\n})();\n\n/**\n * Options\n */\n\nTerminal.defaults = {\n colors: Terminal.colors,\n theme: 'default',\n convertEol: false,\n termName: 'xterm',\n geometry: [80, 24],\n cursorBlink: false,\n visualBell: false,\n popOnBell: false,\n scrollback: 1000,\n screenKeys: false,\n debug: false,\n cancelEvents: false\n // programFeatures: false,\n // focusKeys: false,\n};\n\nTerminal.options = {};\n\nTerminal.focus = null;\n\neach(keys(Terminal.defaults), function(key) {\n Terminal[key] = Terminal.defaults[key];\n Terminal.options[key] = Terminal.defaults[key];\n});\n\n/**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\nTerminal.prototype.focus = function() {\n return this.textarea.focus();\n};\n\n/**\n * Retrieves an option's value from the terminal.\n * @param {string} key The option key.\n */\nTerminal.prototype.getOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n\n if (typeof this.options[key] !== 'undefined') {\n return this.options[key];\n }\n\n return this[key];\n};\n\n/**\n * Sets an option on the terminal.\n * @param {string} key The option key.\n * @param {string} value The option value.\n */\nTerminal.prototype.setOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n this[key] = value;\n this.options[key] = value;\n};\n\n/**\n * Binds the desired focus behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindFocus = function (term) {\n on(term.textarea, 'focus', function (ev) {\n if (term.sendFocus) {\n term.send('\\x1b[I');\n }\n term.element.classList.add('focus');\n term.showCursor();\n Terminal.focus = term;\n term.emit('focus', {terminal: term});\n });\n};\n\n/**\n * Blur the terminal. Delegates blur handling to the terminal's DOM element.\n */\nTerminal.prototype.blur = function() {\n return this.textarea.blur();\n};\n\n/**\n * Binds the desired blur behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindBlur = function (term) {\n on(term.textarea, 'blur', function (ev) {\n term.refresh(term.y, term.y);\n if (term.sendFocus) {\n term.send('\\x1b[O');\n }\n term.element.classList.remove('focus');\n Terminal.focus = null;\n term.emit('blur', {terminal: term});\n });\n};\n\n/**\n * Initialize default behavior\n */\nTerminal.prototype.initGlobal = function() {\n var term = this;\n\n Terminal.bindKeys(this);\n Terminal.bindFocus(this);\n Terminal.bindBlur(this);\n\n // Bind clipboard functionality\n on(this.element, 'copy', function (ev) {\n copyHandler.call(this, ev, term);\n });\n on(this.textarea, 'paste', function (ev) {\n pasteHandler.call(this, ev, term);\n });\n on(this.element, 'paste', function (ev) {\n pasteHandler.call(this, ev, term);\n });\n\n function rightClickHandlerWrapper (ev) {\n rightClickHandler.call(this, ev, term);\n }\n\n if (term.browser.isFirefox) {\n on(this.element, 'mousedown', function (ev) {\n if (ev.button == 2) {\n rightClickHandlerWrapper(ev);\n }\n });\n } else {\n on(this.element, 'contextmenu', rightClickHandlerWrapper);\n }\n};\n\n/**\n * Apply key handling to the terminal\n */\nTerminal.bindKeys = function(term) {\n on(term.element, 'keydown', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyDown(ev);\n }, true);\n\n on(term.element, 'keypress', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyPress(ev);\n }, true);\n\n on(term.element, 'keyup', term.focus.bind(term));\n\n on(term.textarea, 'keydown', function(ev) {\n term.keyDown(ev);\n }, true);\n\n on(term.textarea, 'keypress', function(ev) {\n term.keyPress(ev);\n // Truncate the textarea's value, since it is not needed\n this.value = '';\n }, true);\n\n on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));\n on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));\n on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));\n term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));\n};\n\n\n/**\n * Insert the given row to the terminal or produce a new one\n * if no row argument is passed. Return the inserted row.\n * @param {HTMLElement} row (optional) The row to append to the terminal.\n */\nTerminal.prototype.insertRow = function (row) {\n if (typeof row != 'object') {\n row = document.createElement('div');\n }\n\n this.rowContainer.appendChild(row);\n this.children.push(row);\n\n return row;\n};\n\n/**\n * Opens the terminal within an element.\n *\n * @param {HTMLElement} parent The element to create the terminal within.\n */\nTerminal.prototype.open = function(parent) {\n var self=this, i=0, div;\n\n this.parent = parent || this.parent;\n\n if (!this.parent) {\n throw new Error('Terminal requires a parent element.');\n }\n\n // Grab global elements\n this.context = this.parent.ownerDocument.defaultView;\n this.document = this.parent.ownerDocument;\n this.body = this.document.getElementsByTagName('body')[0];\n\n //Create main element container\n this.element = this.document.createElement('div');\n this.element.classList.add('terminal');\n this.element.classList.add('xterm');\n this.element.classList.add('xterm-theme-' + this.theme);\n\n this.element.style.height\n this.element.setAttribute('tabindex', 0);\n\n this.viewportElement = document.createElement('div');\n this.viewportElement.classList.add('xterm-viewport');\n this.element.appendChild(this.viewportElement);\n this.viewportScrollArea = document.createElement('div');\n this.viewportScrollArea.classList.add('xterm-scroll-area');\n this.viewportElement.appendChild(this.viewportScrollArea);\n\n // Create the container that will hold the lines of the terminal and then\n // produce the lines the lines.\n this.rowContainer = document.createElement('div');\n this.rowContainer.classList.add('xterm-rows');\n this.element.appendChild(this.rowContainer);\n this.children = [];\n\n // Create the container that will hold helpers like the textarea for\n // capturing DOM Events. Then produce the helpers.\n this.helperContainer = document.createElement('div');\n this.helperContainer.classList.add('xterm-helpers');\n // TODO: This should probably be inserted once it's filled to prevent an additional layout\n this.element.appendChild(this.helperContainer);\n this.textarea = document.createElement('textarea');\n this.textarea.classList.add('xterm-helper-textarea');\n this.textarea.setAttribute('autocorrect', 'off');\n this.textarea.setAttribute('autocapitalize', 'off');\n this.textarea.setAttribute('spellcheck', 'false');\n this.textarea.tabIndex = 0;\n this.textarea.addEventListener('focus', function() {\n self.emit('focus', {terminal: self});\n });\n this.textarea.addEventListener('blur', function() {\n self.emit('blur', {terminal: self});\n });\n this.helperContainer.appendChild(this.textarea);\n\n this.compositionView = document.createElement('div');\n this.compositionView.classList.add('composition-view');\n this.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);\n this.helperContainer.appendChild(this.compositionView);\n\n this.charMeasureElement = document.createElement('div');\n this.charMeasureElement.classList.add('xterm-char-measure-element');\n this.charMeasureElement.innerHTML = 'W';\n this.helperContainer.appendChild(this.charMeasureElement);\n\n for (; i < this.rows; i++) {\n this.insertRow();\n }\n this.parent.appendChild(this.element);\n\n this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasureElement);\n\n // Draw the screen.\n this.refresh(0, this.rows - 1);\n\n // Initialize global actions that\n // need to be taken on the document.\n this.initGlobal();\n\n // Ensure there is a Terminal.focus.\n this.focus();\n\n on(this.element, 'click', function() {\n var selection = document.getSelection(),\n collapsed = selection.isCollapsed,\n isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';\n if (!isRange) {\n self.focus();\n }\n });\n\n // Listen for mouse events and translate\n // them into terminal mouse protocols.\n this.bindMouse();\n\n // Figure out whether boldness affects\n // the character width of monospace fonts.\n if (Terminal.brokenBold == null) {\n Terminal.brokenBold = isBoldBroken(this.document);\n }\n\n /**\n * This event is emitted when terminal has completed opening.\n *\n * @event open\n */\n this.emit('open');\n};\n\n\n/**\n * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).\n * @param {string} addon The name of the addon to load\n * @static\n */\nTerminal.loadAddon = function(addon, callback) {\n if (typeof exports === 'object' && typeof module === 'object') {\n // CommonJS\n return require('./addons/' + addon + '/' + addon);\n } else if (typeof define == 'function') {\n // RequireJS\n return require(['./addons/' + addon + '/' + addon], callback);\n } else {\n console.error('Cannot load a module without a CommonJS or RequireJS environment.');\n return false;\n }\n};\n\n\n/**\n * XTerm mouse events\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n * To better understand these\n * the xterm code is very helpful:\n * Relevant files:\n * button.c, charproc.c, misc.c\n * Relevant functions in xterm/button.c:\n * BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n */\nTerminal.prototype.bindMouse = function() {\n var el = this.element, self = this, pressed = 32;\n\n // mouseup, mousedown, wheel\n // left click: ^[[M 3<^[[M#3<\n // wheel up: ^[[M`3>\n function sendButton(ev) {\n var button\n , pos;\n\n // get the xterm-style button\n button = getButton(ev);\n\n // get mouse coordinates\n pos = getCoords(ev);\n if (!pos) return;\n\n sendEvent(button, pos);\n\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n pressed = button;\n break;\n case 'mouseup':\n // keep it at the left\n // button, just in case.\n pressed = 32;\n break;\n case 'wheel':\n // nothing. don't\n // interfere with\n // `pressed`.\n break;\n }\n }\n\n // motion example of a left click:\n // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<\n function sendMove(ev) {\n var button = pressed\n , pos;\n\n pos = getCoords(ev);\n if (!pos) return;\n\n // buttons marked as motions\n // are incremented by 32\n button += 32;\n\n sendEvent(button, pos);\n }\n\n // encode button and\n // position to characters\n function encode(data, ch) {\n if (!self.utfMouse) {\n if (ch === 255) return data.push(0);\n if (ch > 127) ch = 127;\n data.push(ch);\n } else {\n if (ch === 2047) return data.push(0);\n if (ch < 127) {\n data.push(ch);\n } else {\n if (ch > 2047) ch = 2047;\n data.push(0xC0 | (ch >> 6));\n data.push(0x80 | (ch & 0x3F));\n }\n }\n }\n\n // send a mouse event:\n // regular/utf8: ^[[M Cb Cx Cy\n // urxvt: ^[[ Cb ; Cx ; Cy M\n // sgr: ^[[ Cb ; Cx ; Cy M/m\n // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n // locator: CSI P e ; P b ; P r ; P c ; P p & w\n function sendEvent(button, pos) {\n // self.emit('mouse', {\n // x: pos.x - 32,\n // y: pos.x - 32,\n // button: button\n // });\n\n if (self.vt300Mouse) {\n // NOTE: Unstable.\n // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n var data = '\\x1b[24';\n if (button === 0) data += '1';\n else if (button === 1) data += '3';\n else if (button === 2) data += '5';\n else if (button === 3) return;\n else data += '0';\n data += '~[' + pos.x + ',' + pos.y + ']\\r';\n self.send(data);\n return;\n }\n\n if (self.decLocator) {\n // NOTE: Unstable.\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n if (button === 0) button = 2;\n else if (button === 1) button = 4;\n else if (button === 2) button = 6;\n else if (button === 3) button = 3;\n self.send('\\x1b['\n + button\n + ';'\n + (button === 3 ? 4 : 0)\n + ';'\n + pos.y\n + ';'\n + pos.x\n + ';'\n + (pos.page || 0)\n + '&w');\n return;\n }\n\n if (self.urxvtMouse) {\n pos.x -= 32;\n pos.y -= 32;\n pos.x++;\n pos.y++;\n self.send('\\x1b[' + button + ';' + pos.x + ';' + pos.y + 'M');\n return;\n }\n\n if (self.sgrMouse) {\n pos.x -= 32;\n pos.y -= 32;\n self.send('\\x1b[<'\n + (((button & 3) === 3 ? button & ~3 : button) - 32)\n + ';'\n + pos.x\n + ';'\n + pos.y\n + ((button & 3) === 3 ? 'm' : 'M'));\n return;\n }\n\n var data = [];\n\n encode(data, button);\n encode(data, pos.x);\n encode(data, pos.y);\n\n self.send('\\x1b[M' + String.fromCharCode.apply(String, data));\n }\n\n function getButton(ev) {\n var button\n , shift\n , meta\n , ctrl\n , mod;\n\n // two low bits:\n // 0 = left\n // 1 = middle\n // 2 = right\n // 3 = release\n // wheel up/down:\n // 1, and 2 - with 64 added\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n button = ev.button != null\n ? +ev.button\n : ev.which != null\n ? ev.which - 1\n : null;\n\n if (self.browser.isMSIE) {\n button = button === 1 ? 0 : button === 4 ? 1 : button;\n }\n break;\n case 'mouseup':\n button = 3;\n break;\n case 'DOMMouseScroll':\n button = ev.detail < 0\n ? 64\n : 65;\n break;\n case 'wheel':\n button = ev.wheelDeltaY > 0\n ? 64\n : 65;\n break;\n }\n\n // next three bits are the modifiers:\n // 4 = shift, 8 = meta, 16 = control\n shift = ev.shiftKey ? 4 : 0;\n meta = ev.metaKey ? 8 : 0;\n ctrl = ev.ctrlKey ? 16 : 0;\n mod = shift | meta | ctrl;\n\n // no mods\n if (self.vt200Mouse) {\n // ctrl only\n mod &= ctrl;\n } else if (!self.normalMouse) {\n mod = 0;\n }\n\n // increment to SP\n button = (32 + (mod << 2)) + button;\n\n return button;\n }\n\n // mouse coordinates measured in cols/rows\n function getCoords(ev) {\n var x, y, w, h, el;\n\n // ignore browsers without pageX for now\n if (ev.pageX == null) return;\n\n x = ev.pageX;\n y = ev.pageY;\n el = self.element;\n\n // should probably check offsetParent\n // but this is more portable\n while (el && el !== self.document.documentElement) {\n x -= el.offsetLeft;\n y -= el.offsetTop;\n el = 'offsetParent' in el\n ? el.offsetParent\n : el.parentNode;\n }\n\n // convert to cols/rows\n w = self.element.clientWidth;\n h = self.element.clientHeight;\n x = Math.ceil((x / w) * self.cols);\n y = Math.ceil((y / h) * self.rows);\n\n // be sure to avoid sending\n // bad positions to the program\n if (x < 0) x = 0;\n if (x > self.cols) x = self.cols;\n if (y < 0) y = 0;\n if (y > self.rows) y = self.rows;\n\n // xterm sends raw bytes and\n // starts at 32 (SP) for each.\n x += 32;\n y += 32;\n\n return {\n x: x,\n y: y,\n type: 'wheel'\n };\n }\n\n on(el, 'mousedown', function(ev) {\n if (!self.mouseEvents) return;\n\n // send the button\n sendButton(ev);\n\n // ensure focus\n self.focus();\n\n // fix for odd bug\n //if (self.vt200Mouse && !self.normalMouse) {\n if (self.vt200Mouse) {\n ev.overrideType = 'mouseup';\n sendButton(ev);\n return self.cancel(ev);\n }\n\n // bind events\n if (self.normalMouse) on(self.document, 'mousemove', sendMove);\n\n // x10 compatibility mode can't send button releases\n if (!self.x10Mouse) {\n on(self.document, 'mouseup', function up(ev) {\n sendButton(ev);\n if (self.normalMouse) off(self.document, 'mousemove', sendMove);\n off(self.document, 'mouseup', up);\n return self.cancel(ev);\n });\n }\n\n return self.cancel(ev);\n });\n\n //if (self.normalMouse) {\n // on(self.document, 'mousemove', sendMove);\n //}\n\n on(el, 'wheel', function(ev) {\n if (!self.mouseEvents) return;\n if (self.x10Mouse\n || self.vt300Mouse\n || self.decLocator) return;\n sendButton(ev);\n return self.cancel(ev);\n });\n\n // allow wheel scrolling in\n // the shell for example\n on(el, 'wheel', function(ev) {\n if (self.mouseEvents) return;\n self.viewport.onWheel(ev);\n return self.cancel(ev);\n });\n};\n\n/**\n * Destroys the terminal.\n */\nTerminal.prototype.destroy = function() {\n this.readable = false;\n this.writable = false;\n this._events = {};\n this.handler = function() {};\n this.write = function() {};\n if (this.element.parentNode) {\n this.element.parentNode.removeChild(this.element);\n }\n //this.emit('close');\n};\n\n\n/**\n * Flags used to render terminal text properly\n */\nTerminal.flags = {\n BOLD: 1,\n UNDERLINE: 2,\n BLINK: 4,\n INVERSE: 8,\n INVISIBLE: 16\n}\n\n/**\n * Refreshes (re-renders) terminal content within two rows (inclusive)\n *\n * Rendering Engine:\n *\n * In the screen buffer, each character is stored as a an array with a character\n * and a 32-bit integer:\n * - First value: a utf-16 character.\n * - Second value:\n * - Next 9 bits: background color (0-511).\n * - Next 9 bits: foreground color (0-511).\n * - Next 14 bits: a mask for misc. flags:\n * - 1=bold\n * - 2=underline\n * - 4=blink\n * - 8=inverse\n * - 16=invisible\n *\n * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)\n * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)\n * @param {boolean} queue Whether the refresh should ran right now or be queued\n */\nTerminal.prototype.refresh = function(start, end, queue) {\n var self = this;\n\n // queue defaults to true\n queue = (typeof queue == 'undefined') ? true : queue;\n\n /**\n * The refresh queue allows refresh to execute only approximately 30 times a second. For\n * commands that pass a significant amount of output to the write function, this prevents the\n * terminal from maxing out the CPU and making the UI unresponsive. While commands can still\n * run beyond what they do on the terminal, it is far better with a debounce in place as\n * every single terminal manipulation does not need to be constructed in the DOM.\n *\n * A side-effect of this is that it makes ^C to interrupt a process seem more responsive.\n */\n if (queue) {\n // If refresh should be queued, order the refresh and return.\n if (this._refreshIsQueued) {\n // If a refresh has already been queued, just order a full refresh next\n this._fullRefreshNext = true;\n } else {\n setTimeout(function () {\n self.refresh(start, end, false);\n }, 34)\n this._refreshIsQueued = true;\n }\n return;\n }\n\n // If refresh should be run right now (not be queued), release the lock\n this._refreshIsQueued = false;\n\n // If multiple refreshes were requested, make a full refresh.\n if (this._fullRefreshNext) {\n start = 0;\n end = this.rows - 1;\n this._fullRefreshNext = false // reset lock\n }\n\n var x, y, i, line, out, ch, ch_width, width, data, attr, bg, fg, flags, row, parent, focused = document.activeElement;\n\n // If this is a big refresh, remove the terminal rows from the DOM for faster calculations\n if (end - start >= this.rows / 2) {\n parent = this.element.parentNode;\n if (parent) {\n this.element.removeChild(this.rowContainer);\n }\n }\n\n width = this.cols;\n y = start;\n\n if (end >= this.rows.length) {\n this.log('`end` is too large. Most likely a bad CSR.');\n end = this.rows.length - 1;\n }\n\n for (; y <= end; y++) {\n row = y + this.ydisp;\n\n line = this.lines[row];\n out = '';\n\n if (this.y === y - (this.ybase - this.ydisp)\n && this.cursorState\n && !this.cursorHidden) {\n x = this.x;\n } else {\n x = -1;\n }\n\n attr = this.defAttr;\n i = 0;\n\n for (; i < width; i++) {\n data = line[i][0];\n ch = line[i][1];\n ch_width = line[i][2];\n if (!ch_width)\n continue;\n\n if (i === x) data = -1;\n\n if (data !== attr) {\n if (attr !== this.defAttr) {\n out += '';\n }\n if (data !== this.defAttr) {\n if (data === -1) {\n out += '> 9) & 0x1ff;\n flags = data >> 18;\n\n if (flags & Terminal.flags.BOLD) {\n if (!Terminal.brokenBold) {\n classNames.push('xterm-bold');\n }\n // See: XTerm*boldColors\n if (fg < 8) fg += 8;\n }\n\n if (flags & Terminal.flags.UNDERLINE) {\n classNames.push('xterm-underline');\n }\n\n if (flags & Terminal.flags.BLINK) {\n classNames.push('xterm-blink');\n }\n\n // If inverse flag is on, then swap the foreground and background variables.\n if (flags & Terminal.flags.INVERSE) {\n /* One-line variable swap in JavaScript: http://stackoverflow.com/a/16201730 */\n bg = [fg, fg = bg][0];\n // Should inverse just be before the\n // above boldColors effect instead?\n if ((flags & 1) && fg < 8) fg += 8;\n }\n\n if (flags & Terminal.flags.INVISIBLE) {\n classNames.push('xterm-hidden');\n }\n\n /**\n * Weird situation: Invert flag used black foreground and white background results\n * in invalid background color, positioned at the 256 index of the 256 terminal\n * color map. Pin the colors manually in such a case.\n *\n * Source: https://github.com/sourcelair/xterm.js/issues/57\n */\n if (flags & Terminal.flags.INVERSE) {\n if (bg == 257) {\n bg = 15;\n }\n if (fg == 256) {\n fg = 0;\n }\n }\n\n if (bg < 256) {\n classNames.push('xterm-bg-color-' + bg);\n }\n\n if (fg < 256) {\n classNames.push('xterm-color-' + fg);\n }\n\n out += '':\n out += '>';\n break;\n default:\n if (ch <= ' ') {\n out += ' ';\n } else {\n out += ch;\n }\n break;\n }\n\n attr = data;\n }\n\n if (attr !== this.defAttr) {\n out += '';\n }\n\n this.children[y].innerHTML = out;\n }\n\n if (parent) {\n this.element.appendChild(this.rowContainer);\n }\n\n this.emit('refresh', {element: this.element, start: start, end: end});\n};\n\n/**\n * Display the cursor element\n */\nTerminal.prototype.showCursor = function() {\n if (!this.cursorState) {\n this.cursorState = 1;\n this.refresh(this.y, this.y);\n }\n};\n\n/**\n * Scroll the terminal\n */\nTerminal.prototype.scroll = function() {\n var row;\n\n if (++this.ybase === this.scrollback) {\n this.ybase = this.ybase / 2 | 0;\n this.lines = this.lines.slice(-(this.ybase + this.rows) + 1);\n }\n\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n\n // last line\n row = this.ybase + this.rows - 1;\n\n // subtract the bottom scroll region\n row -= this.rows - 1 - this.scrollBottom;\n\n if (row === this.lines.length) {\n // potential optimization:\n // pushing is faster than splicing\n // when they amount to the same\n // behavior.\n this.lines.push(this.blankLine());\n } else {\n // add our new line\n this.lines.splice(row, 0, this.blankLine());\n }\n\n if (this.scrollTop !== 0) {\n if (this.ybase !== 0) {\n this.ybase--;\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n }\n this.lines.splice(this.ybase + this.scrollTop, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n\n /**\n * This event is emitted whenever the terminal is scrolled.\n * The one parameter passed is the new y display position.\n *\n * @event scroll\n */\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Scroll the display of the terminal\n * @param {number} disp The number of lines to scroll down (negatives scroll up).\n * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used\n * to avoid unwanted events being handled by the veiwport when the event was triggered from the\n * viewport originally.\n */\nTerminal.prototype.scrollDisp = function(disp, suppressScrollEvent) {\n if (disp < 0) {\n this.userScrolling = true;\n } else if (disp + this.ydisp >= this.ybase) {\n this.userScrolling = false;\n }\n\n this.ydisp += disp;\n\n if (this.ydisp > this.ybase) {\n this.ydisp = this.ybase;\n } else if (this.ydisp < 0) {\n this.ydisp = 0;\n }\n\n if (!suppressScrollEvent) {\n this.emit('scroll', this.ydisp);\n }\n\n this.refresh(0, this.rows - 1);\n};\n\n/**\n * Scroll the display of the terminal by a number of pages.\n * @param {number} pageCount The number of pages to scroll (negative scrolls up).\n */\nTerminal.prototype.scrollPages = function(pageCount) {\n this.scrollDisp(pageCount * (this.rows - 1));\n}\n\n/**\n * Scrolls the display of the terminal to the top.\n */\nTerminal.prototype.scrollToTop = function() {\n this.scrollDisp(-this.ydisp);\n}\n\n/**\n * Scrolls the display of the terminal to the bottom.\n */\nTerminal.prototype.scrollToBottom = function() {\n this.scrollDisp(this.ybase - this.ydisp);\n}\n\n/**\n * Writes text to the terminal.\n * @param {string} text The text to write to the terminal.\n */\nTerminal.prototype.write = function(data) {\n var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;\n\n this.refreshStart = this.y;\n this.refreshEnd = this.y;\n\n // apply leftover surrogate high from last write\n if (this.surrogate_high) {\n data = this.surrogate_high + data;\n this.surrogate_high = '';\n }\n\n for (; i < l; i++) {\n ch = data[i];\n\n // FIXME: higher chars than 0xa0 are not allowed in escape sequences\n // --> maybe move to default\n code = data.charCodeAt(i);\n if (0xD800 <= code && code <= 0xDBFF) {\n // we got a surrogate high\n // get surrogate low (next 2 bytes)\n low = data.charCodeAt(i+1);\n if (isNaN(low)) {\n // end of data stream, save surrogate high\n this.surrogate_high = ch;\n continue;\n }\n code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n ch += data.charAt(i+1);\n }\n // surrogate low - already handled above\n if (0xDC00 <= code && code <= 0xDFFF)\n continue;\n\n switch (this.state) {\n case normal:\n switch (ch) {\n case '\\x07':\n this.bell();\n break;\n\n // '\\n', '\\v', '\\f'\n case '\\n':\n case '\\x0b':\n case '\\x0c':\n if (this.convertEol) {\n this.x = 0;\n }\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n break;\n\n // '\\r'\n case '\\r':\n this.x = 0;\n break;\n\n // '\\b'\n case '\\x08':\n if (this.x > 0) {\n this.x--;\n }\n break;\n\n // '\\t'\n case '\\t':\n this.x = this.nextStop();\n break;\n\n // shift out\n case '\\x0e':\n this.setgLevel(1);\n break;\n\n // shift in\n case '\\x0f':\n this.setgLevel(0);\n break;\n\n // '\\e'\n case '\\x1b':\n this.state = escaped;\n break;\n\n default:\n // ' '\n // calculate print space\n // expensive call, therefore we save width in line buffer\n ch_width = wcwidth(code);\n\n if (ch >= ' ') {\n if (this.charset && this.charset[ch]) {\n ch = this.charset[ch];\n }\n\n row = this.y + this.ybase;\n\n // insert combining char in last cell\n // FIXME: needs handling after cursor jumps\n if (!ch_width && this.x) {\n\n // dont overflow left\n if (this.lines[row][this.x-1]) {\n if (!this.lines[row][this.x-1][2]) {\n\n // found empty cell after fullwidth, need to go 2 cells back\n if (this.lines[row][this.x-2])\n this.lines[row][this.x-2][1] += ch;\n\n } else {\n this.lines[row][this.x-1][1] += ch;\n }\n this.updateRange(this.y);\n }\n break;\n }\n\n // goto next line if ch would overflow\n // TODO: needs a global min terminal width of 2\n if (this.x+ch_width-1 >= this.cols) {\n // autowrap - DECAWM\n if (this.wraparoundMode) {\n this.x = 0;\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n } else {\n this.x = this.cols-1;\n if(ch_width===2) // FIXME: check for xterm behavior\n continue;\n }\n }\n row = this.y + this.ybase;\n\n // insert mode: move characters to right\n if (this.insertMode) {\n // do this twice for a fullwidth char\n for (var moves=0; moves Normal Keypad (DECKPNM).\n case '>':\n this.log('Switching back to normal keypad.');\n this.applicationKeypad = false;\n this.viewport.syncScrollArea();\n this.state = normal;\n break;\n\n default:\n this.state = normal;\n this.error('Unknown ESC control: %s.', ch);\n break;\n }\n break;\n\n case charset:\n switch (ch) {\n case '0': // DEC Special Character and Line Drawing Set.\n cs = Terminal.charsets.SCLD;\n break;\n case 'A': // UK\n cs = Terminal.charsets.UK;\n break;\n case 'B': // United States (USASCII).\n cs = Terminal.charsets.US;\n break;\n case '4': // Dutch\n cs = Terminal.charsets.Dutch;\n break;\n case 'C': // Finnish\n case '5':\n cs = Terminal.charsets.Finnish;\n break;\n case 'R': // French\n cs = Terminal.charsets.French;\n break;\n case 'Q': // FrenchCanadian\n cs = Terminal.charsets.FrenchCanadian;\n break;\n case 'K': // German\n cs = Terminal.charsets.German;\n break;\n case 'Y': // Italian\n cs = Terminal.charsets.Italian;\n break;\n case 'E': // NorwegianDanish\n case '6':\n cs = Terminal.charsets.NorwegianDanish;\n break;\n case 'Z': // Spanish\n cs = Terminal.charsets.Spanish;\n break;\n case 'H': // Swedish\n case '7':\n cs = Terminal.charsets.Swedish;\n break;\n case '=': // Swiss\n cs = Terminal.charsets.Swiss;\n break;\n case '/': // ISOLatin (actually /A)\n cs = Terminal.charsets.ISOLatin;\n i++;\n break;\n default: // Default\n cs = Terminal.charsets.US;\n break;\n }\n this.setgCharset(this.gcharset, cs);\n this.gcharset = null;\n this.state = normal;\n break;\n\n case osc:\n // OSC Ps ; Pt ST\n // OSC Ps ; Pt BEL\n // Set Text Parameters.\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n\n this.params.push(this.currentParam);\n\n switch (this.params[0]) {\n case 0:\n case 1:\n case 2:\n if (this.params[1]) {\n this.title = this.params[1];\n this.handleTitle(this.title);\n }\n break;\n case 3:\n // set X property\n break;\n case 4:\n case 5:\n // change dynamic colors\n break;\n case 10:\n case 11:\n case 12:\n case 13:\n case 14:\n case 15:\n case 16:\n case 17:\n case 18:\n case 19:\n // change dynamic ui colors\n break;\n case 46:\n // change log file\n break;\n case 50:\n // dynamic font\n break;\n case 51:\n // emacs shell\n break;\n case 52:\n // manipulate selection data\n break;\n case 104:\n case 105:\n case 110:\n case 111:\n case 112:\n case 113:\n case 114:\n case 115:\n case 116:\n case 117:\n case 118:\n // reset colors\n break;\n }\n\n this.params = [];\n this.currentParam = 0;\n this.state = normal;\n } else {\n if (!this.params.length) {\n if (ch >= '0' && ch <= '9') {\n this.currentParam =\n this.currentParam * 10 + ch.charCodeAt(0) - 48;\n } else if (ch === ';') {\n this.params.push(this.currentParam);\n this.currentParam = '';\n }\n } else {\n this.currentParam += ch;\n }\n }\n break;\n\n case csi:\n // '?', '>', '!'\n if (ch === '?' || ch === '>' || ch === '!') {\n this.prefix = ch;\n break;\n }\n\n // 0 - 9\n if (ch >= '0' && ch <= '9') {\n this.currentParam = this.currentParam * 10 + ch.charCodeAt(0) - 48;\n break;\n }\n\n // '$', '\"', ' ', '\\''\n if (ch === '$' || ch === '\"' || ch === ' ' || ch === '\\'') {\n this.postfix = ch;\n break;\n }\n\n this.params.push(this.currentParam);\n this.currentParam = 0;\n\n // ';'\n if (ch === ';') break;\n\n this.state = normal;\n\n switch (ch) {\n // CSI Ps A\n // Cursor Up Ps Times (default = 1) (CUU).\n case 'A':\n this.cursorUp(this.params);\n break;\n\n // CSI Ps B\n // Cursor Down Ps Times (default = 1) (CUD).\n case 'B':\n this.cursorDown(this.params);\n break;\n\n // CSI Ps C\n // Cursor Forward Ps Times (default = 1) (CUF).\n case 'C':\n this.cursorForward(this.params);\n break;\n\n // CSI Ps D\n // Cursor Backward Ps Times (default = 1) (CUB).\n case 'D':\n this.cursorBackward(this.params);\n break;\n\n // CSI Ps ; Ps H\n // Cursor Position [row;column] (default = [1,1]) (CUP).\n case 'H':\n this.cursorPos(this.params);\n break;\n\n // CSI Ps J Erase in Display (ED).\n case 'J':\n this.eraseInDisplay(this.params);\n break;\n\n // CSI Ps K Erase in Line (EL).\n case 'K':\n this.eraseInLine(this.params);\n break;\n\n // CSI Pm m Character Attributes (SGR).\n case 'm':\n if (!this.prefix) {\n this.charAttributes(this.params);\n }\n break;\n\n // CSI Ps n Device Status Report (DSR).\n case 'n':\n if (!this.prefix) {\n this.deviceStatus(this.params);\n }\n break;\n\n /**\n * Additions\n */\n\n // CSI Ps @\n // Insert Ps (Blank) Character(s) (default = 1) (ICH).\n case '@':\n this.insertChars(this.params);\n break;\n\n // CSI Ps E\n // Cursor Next Line Ps Times (default = 1) (CNL).\n case 'E':\n this.cursorNextLine(this.params);\n break;\n\n // CSI Ps F\n // Cursor Preceding Line Ps Times (default = 1) (CNL).\n case 'F':\n this.cursorPrecedingLine(this.params);\n break;\n\n // CSI Ps G\n // Cursor Character Absolute [column] (default = [row,1]) (CHA).\n case 'G':\n this.cursorCharAbsolute(this.params);\n break;\n\n // CSI Ps L\n // Insert Ps Line(s) (default = 1) (IL).\n case 'L':\n this.insertLines(this.params);\n break;\n\n // CSI Ps M\n // Delete Ps Line(s) (default = 1) (DL).\n case 'M':\n this.deleteLines(this.params);\n break;\n\n // CSI Ps P\n // Delete Ps Character(s) (default = 1) (DCH).\n case 'P':\n this.deleteChars(this.params);\n break;\n\n // CSI Ps X\n // Erase Ps Character(s) (default = 1) (ECH).\n case 'X':\n this.eraseChars(this.params);\n break;\n\n // CSI Pm ` Character Position Absolute\n // [column] (default = [row,1]) (HPA).\n case '`':\n this.charPosAbsolute(this.params);\n break;\n\n // 141 61 a * HPR -\n // Horizontal Position Relative\n case 'a':\n this.HPositionRelative(this.params);\n break;\n\n // CSI P s c\n // Send Device Attributes (Primary DA).\n // CSI > P s c\n // Send Device Attributes (Secondary DA)\n case 'c':\n this.sendDeviceAttributes(this.params);\n break;\n\n // CSI Pm d\n // Line Position Absolute [row] (default = [1,column]) (VPA).\n case 'd':\n this.linePosAbsolute(this.params);\n break;\n\n // 145 65 e * VPR - Vertical Position Relative\n case 'e':\n this.VPositionRelative(this.params);\n break;\n\n // CSI Ps ; Ps f\n // Horizontal and Vertical Position [row;column] (default =\n // [1,1]) (HVP).\n case 'f':\n this.HVPosition(this.params);\n break;\n\n // CSI Pm h Set Mode (SM).\n // CSI ? Pm h - mouse escape codes, cursor escape codes\n case 'h':\n this.setMode(this.params);\n break;\n\n // CSI Pm l Reset Mode (RM).\n // CSI ? Pm l\n case 'l':\n this.resetMode(this.params);\n break;\n\n // CSI Ps ; Ps r\n // Set Scrolling Region [top;bottom] (default = full size of win-\n // dow) (DECSTBM).\n // CSI ? Pm r\n case 'r':\n this.setScrollRegion(this.params);\n break;\n\n // CSI s\n // Save cursor (ANSI.SYS).\n case 's':\n this.saveCursor(this.params);\n break;\n\n // CSI u\n // Restore cursor (ANSI.SYS).\n case 'u':\n this.restoreCursor(this.params);\n break;\n\n /**\n * Lesser Used\n */\n\n // CSI Ps I\n // Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n case 'I':\n this.cursorForwardTab(this.params);\n break;\n\n // CSI Ps S Scroll up Ps lines (default = 1) (SU).\n case 'S':\n this.scrollUp(this.params);\n break;\n\n // CSI Ps T Scroll down Ps lines (default = 1) (SD).\n // CSI Ps ; Ps ; Ps ; Ps ; Ps T\n // CSI > Ps; Ps T\n case 'T':\n // if (this.prefix === '>') {\n // this.resetTitleModes(this.params);\n // break;\n // }\n // if (this.params.length > 2) {\n // this.initMouseTracking(this.params);\n // break;\n // }\n if (this.params.length < 2 && !this.prefix) {\n this.scrollDown(this.params);\n }\n break;\n\n // CSI Ps Z\n // Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n case 'Z':\n this.cursorBackwardTab(this.params);\n break;\n\n // CSI Ps b Repeat the preceding graphic character Ps times (REP).\n case 'b':\n this.repeatPrecedingCharacter(this.params);\n break;\n\n // CSI Ps g Tab Clear (TBC).\n case 'g':\n this.tabClear(this.params);\n break;\n\n // CSI Pm i Media Copy (MC).\n // CSI ? Pm i\n // case 'i':\n // this.mediaCopy(this.params);\n // break;\n\n // CSI Pm m Character Attributes (SGR).\n // CSI > Ps; Ps m\n // case 'm': // duplicate\n // if (this.prefix === '>') {\n // this.setResources(this.params);\n // } else {\n // this.charAttributes(this.params);\n // }\n // break;\n\n // CSI Ps n Device Status Report (DSR).\n // CSI > Ps n\n // case 'n': // duplicate\n // if (this.prefix === '>') {\n // this.disableModifiers(this.params);\n // } else {\n // this.deviceStatus(this.params);\n // }\n // break;\n\n // CSI > Ps p Set pointer mode.\n // CSI ! p Soft terminal reset (DECSTR).\n // CSI Ps$ p\n // Request ANSI mode (DECRQM).\n // CSI ? Ps$ p\n // Request DEC private mode (DECRQM).\n // CSI Ps ; Ps \" p\n case 'p':\n switch (this.prefix) {\n // case '>':\n // this.setPointerMode(this.params);\n // break;\n case '!':\n this.softReset(this.params);\n break;\n // case '?':\n // if (this.postfix === '$') {\n // this.requestPrivateMode(this.params);\n // }\n // break;\n // default:\n // if (this.postfix === '\"') {\n // this.setConformanceLevel(this.params);\n // } else if (this.postfix === '$') {\n // this.requestAnsiMode(this.params);\n // }\n // break;\n }\n break;\n\n // CSI Ps q Load LEDs (DECLL).\n // CSI Ps SP q\n // CSI Ps \" q\n // case 'q':\n // if (this.postfix === ' ') {\n // this.setCursorStyle(this.params);\n // break;\n // }\n // if (this.postfix === '\"') {\n // this.setCharProtectionAttr(this.params);\n // break;\n // }\n // this.loadLEDs(this.params);\n // break;\n\n // CSI Ps ; Ps r\n // Set Scrolling Region [top;bottom] (default = full size of win-\n // dow) (DECSTBM).\n // CSI ? Pm r\n // CSI Pt; Pl; Pb; Pr; Ps$ r\n // case 'r': // duplicate\n // if (this.prefix === '?') {\n // this.restorePrivateValues(this.params);\n // } else if (this.postfix === '$') {\n // this.setAttrInRectangle(this.params);\n // } else {\n // this.setScrollRegion(this.params);\n // }\n // break;\n\n // CSI s Save cursor (ANSI.SYS).\n // CSI ? Pm s\n // case 's': // duplicate\n // if (this.prefix === '?') {\n // this.savePrivateValues(this.params);\n // } else {\n // this.saveCursor(this.params);\n // }\n // break;\n\n // CSI Ps ; Ps ; Ps t\n // CSI Pt; Pl; Pb; Pr; Ps$ t\n // CSI > Ps; Ps t\n // CSI Ps SP t\n // case 't':\n // if (this.postfix === '$') {\n // this.reverseAttrInRectangle(this.params);\n // } else if (this.postfix === ' ') {\n // this.setWarningBellVolume(this.params);\n // } else {\n // if (this.prefix === '>') {\n // this.setTitleModeFeature(this.params);\n // } else {\n // this.manipulateWindow(this.params);\n // }\n // }\n // break;\n\n // CSI u Restore cursor (ANSI.SYS).\n // CSI Ps SP u\n // case 'u': // duplicate\n // if (this.postfix === ' ') {\n // this.setMarginBellVolume(this.params);\n // } else {\n // this.restoreCursor(this.params);\n // }\n // break;\n\n // CSI Pt; Pl; Pb; Pr; Pp; Pt; Pl; Pp$ v\n // case 'v':\n // if (this.postfix === '$') {\n // this.copyRectagle(this.params);\n // }\n // break;\n\n // CSI Pt ; Pl ; Pb ; Pr ' w\n // case 'w':\n // if (this.postfix === '\\'') {\n // this.enableFilterRectangle(this.params);\n // }\n // break;\n\n // CSI Ps x Request Terminal Parameters (DECREQTPARM).\n // CSI Ps x Select Attribute Change Extent (DECSACE).\n // CSI Pc; Pt; Pl; Pb; Pr$ x\n // case 'x':\n // if (this.postfix === '$') {\n // this.fillRectangle(this.params);\n // } else {\n // this.requestParameters(this.params);\n // //this.__(this.params);\n // }\n // break;\n\n // CSI Ps ; Pu ' z\n // CSI Pt; Pl; Pb; Pr$ z\n // case 'z':\n // if (this.postfix === '\\'') {\n // this.enableLocatorReporting(this.params);\n // } else if (this.postfix === '$') {\n // this.eraseRectangle(this.params);\n // }\n // break;\n\n // CSI Pm ' {\n // CSI Pt; Pl; Pb; Pr$ {\n // case '{':\n // if (this.postfix === '\\'') {\n // this.setLocatorEvents(this.params);\n // } else if (this.postfix === '$') {\n // this.selectiveEraseRectangle(this.params);\n // }\n // break;\n\n // CSI Ps ' |\n // case '|':\n // if (this.postfix === '\\'') {\n // this.requestLocatorPosition(this.params);\n // }\n // break;\n\n // CSI P m SP }\n // Insert P s Column(s) (default = 1) (DECIC), VT420 and up.\n // case '}':\n // if (this.postfix === ' ') {\n // this.insertColumns(this.params);\n // }\n // break;\n\n // CSI P m SP ~\n // Delete P s Column(s) (default = 1) (DECDC), VT420 and up\n // case '~':\n // if (this.postfix === ' ') {\n // this.deleteColumns(this.params);\n // }\n // break;\n\n default:\n this.error('Unknown CSI code: %s.', ch);\n break;\n }\n\n this.prefix = '';\n this.postfix = '';\n break;\n\n case dcs:\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n\n switch (this.prefix) {\n // User-Defined Keys (DECUDK).\n case '':\n break;\n\n // Request Status String (DECRQSS).\n // test: echo -e '\\eP$q\"p\\e\\\\'\n case '$q':\n var pt = this.currentParam\n , valid = false;\n\n switch (pt) {\n // DECSCA\n case '\"q':\n pt = '0\"q';\n break;\n\n // DECSCL\n case '\"p':\n pt = '61\"p';\n break;\n\n // DECSTBM\n case 'r':\n pt = ''\n + (this.scrollTop + 1)\n + ';'\n + (this.scrollBottom + 1)\n + 'r';\n break;\n\n // SGR\n case 'm':\n pt = '0m';\n break;\n\n default:\n this.error('Unknown DCS Pt: %s.', pt);\n pt = '';\n break;\n }\n\n this.send('\\x1bP' + +valid + '$r' + pt + '\\x1b\\\\');\n break;\n\n // Set Termcap/Terminfo Data (xterm, experimental).\n case '+p':\n break;\n\n // Request Termcap/Terminfo String (xterm, experimental)\n // Regular xterm does not even respond to this sequence.\n // This can cause a small glitch in vim.\n // test: echo -ne '\\eP+q6b64\\e\\\\'\n case '+q':\n var pt = this.currentParam\n , valid = false;\n\n this.send('\\x1bP' + +valid + '+r' + pt + '\\x1b\\\\');\n break;\n\n default:\n this.error('Unknown DCS prefix: %s.', this.prefix);\n break;\n }\n\n this.currentParam = 0;\n this.prefix = '';\n this.state = normal;\n } else if (!this.currentParam) {\n if (!this.prefix && ch !== '$' && ch !== '+') {\n this.currentParam = ch;\n } else if (this.prefix.length === 2) {\n this.currentParam = ch;\n } else {\n this.prefix += ch;\n }\n } else {\n this.currentParam += ch;\n }\n break;\n\n case ignore:\n // For PM and APC.\n if (ch === '\\x1b' || ch === '\\x07') {\n if (ch === '\\x1b') i++;\n this.state = normal;\n }\n break;\n }\n }\n\n this.updateRange(this.y);\n this.refresh(this.refreshStart, this.refreshEnd);\n};\n\n/**\n * Writes text to the terminal, followed by a break line character (\\n).\n * @param {string} text The text to write to the terminal.\n */\nTerminal.prototype.writeln = function(data) {\n this.write(data + '\\r\\n');\n};\n\n/**\n * Attaches a custom keydown handler which is run before keys are processed, giving consumers of\n * xterm.js ultimate control as to what keys should be processed by the terminal and what keys\n * should not.\n * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a\n * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n * the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {\n this.customKeydownHandler = customKeydownHandler;\n}\n\n/**\n * Handle a keydown event\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keydown event to be handled.\n */\nTerminal.prototype.keyDown = function(ev) {\n if (this.customKeydownHandler && this.customKeydownHandler(ev) === false) {\n return false;\n }\n\n if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {\n if (this.ybase !== this.ydisp) {\n this.scrollToBottom();\n }\n return false;\n }\n\n var self = this;\n var result = this.evaluateKeyEscapeSequence(ev);\n\n if (result.scrollDisp) {\n this.scrollDisp(result.scrollDisp);\n return this.cancel(ev, true);\n }\n\n if (isThirdLevelShift(this, ev)) {\n return true;\n }\n\n if (result.cancel) {\n // The event is canceled at the end already, is this necessary?\n this.cancel(ev, true);\n }\n\n if (!result.key) {\n return true;\n }\n\n this.emit('keydown', ev);\n this.emit('key', result.key, ev);\n this.showCursor();\n this.handler(result.key);\n\n return this.cancel(ev, true);\n};\n\n/**\n * Returns an object that determines how a KeyboardEvent should be handled. The key of the\n * returned value is the new key code to pass to the PTY.\n *\n * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.\n */\nTerminal.prototype.evaluateKeyEscapeSequence = function(ev) {\n var result = {\n // Whether to cancel event propogation (NOTE: this may not be needed since the event is\n // canceled at the end of keyDown\n cancel: false,\n // The new key even to emit\n key: undefined,\n // The number of characters to scroll, if this is defined it will cancel the event\n scrollDisp: undefined\n };\n var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;\n switch (ev.keyCode) {\n case 8:\n // backspace\n if (ev.shiftKey) {\n result.key = '\\x08'; // ^H\n break;\n }\n result.key = '\\x7f'; // ^?\n break;\n case 9:\n // tab\n if (ev.shiftKey) {\n result.key = '\\x1b[Z';\n break;\n }\n result.key = '\\t';\n result.cancel = true;\n break;\n case 13:\n // return/enter\n result.key = '\\r';\n result.cancel = true;\n break;\n case 27:\n // escape\n result.key = '\\x1b';\n result.cancel = true;\n break;\n case 37:\n // left-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'D';\n // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3D') {\n result.key = '\\x1b[1;5D';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOD';\n } else {\n result.key = '\\x1b[D';\n }\n break;\n case 39:\n // right-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'C';\n // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3C') {\n result.key = '\\x1b[1;5C';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOC';\n } else {\n result.key = '\\x1b[C';\n }\n break;\n case 38:\n // up-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'A';\n // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3A') {\n result.key = '\\x1b[1;5A';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOA';\n } else {\n result.key = '\\x1b[A';\n }\n break;\n case 40:\n // down-arrow\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'B';\n // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == '\\x1b[1;3B') {\n result.key = '\\x1b[1;5B';\n }\n } else if (this.applicationCursor) {\n result.key = '\\x1bOB';\n } else {\n result.key = '\\x1b[B';\n }\n break;\n case 45:\n // insert\n if (!ev.shiftKey && !ev.ctrlKey) {\n // or + are used to\n // copy-paste on some systems.\n result.key = '\\x1b[2~';\n }\n break;\n case 46:\n // delete\n if (modifiers) {\n result.key = '\\x1b[3;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[3~';\n }\n break;\n case 36:\n // home\n if (modifiers)\n result.key = '\\x1b[1;' + (modifiers + 1) + 'H';\n else if (this.applicationCursor)\n result.key = '\\x1bOH';\n else\n result.key = '\\x1b[H';\n break;\n case 35:\n // end\n if (modifiers)\n result.key = '\\x1b[1;' + (modifiers + 1) + 'F';\n else if (this.applicationCursor)\n result.key = '\\x1bOF';\n else\n result.key = '\\x1b[F';\n break;\n case 33:\n // page up\n if (ev.shiftKey) {\n result.scrollDisp = -(this.rows - 1);\n } else {\n result.key = '\\x1b[5~';\n }\n break;\n case 34:\n // page down\n if (ev.shiftKey) {\n result.scrollDisp = this.rows - 1;\n } else {\n result.key = '\\x1b[6~';\n }\n break;\n case 112:\n // F1-F12\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'P';\n } else {\n result.key = '\\x1bOP';\n }\n break;\n case 113:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'Q';\n } else {\n result.key = '\\x1bOQ';\n }\n break;\n case 114:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'R';\n } else {\n result.key = '\\x1bOR';\n }\n break;\n case 115:\n if (modifiers) {\n result.key = '\\x1b[1;' + (modifiers + 1) + 'S';\n } else {\n result.key = '\\x1bOS';\n }\n break;\n case 116:\n if (modifiers) {\n result.key = '\\x1b[15;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[15~';\n }\n break;\n case 117:\n if (modifiers) {\n result.key = '\\x1b[17;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[17~';\n }\n break;\n case 118:\n if (modifiers) {\n result.key = '\\x1b[18;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[18~';\n }\n break;\n case 119:\n if (modifiers) {\n result.key = '\\x1b[19;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[19~';\n }\n break;\n case 120:\n if (modifiers) {\n result.key = '\\x1b[20;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[20~';\n }\n break;\n case 121:\n if (modifiers) {\n result.key = '\\x1b[21;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[21~';\n }\n break;\n case 122:\n if (modifiers) {\n result.key = '\\x1b[23;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[23~';\n }\n break;\n case 123:\n if (modifiers) {\n result.key = '\\x1b[24;' + (modifiers + 1) + '~';\n } else {\n result.key = '\\x1b[24~';\n }\n break;\n default:\n // a-z and space\n if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = String.fromCharCode(ev.keyCode - 64);\n } else if (ev.keyCode === 32) {\n // NUL\n result.key = String.fromCharCode(0);\n } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n // escape, file sep, group sep, record sep, unit sep\n result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n } else if (ev.keyCode === 56) {\n // delete\n result.key = String.fromCharCode(127);\n } else if (ev.keyCode === 219) {\n // ^[ - Control Sequence Introducer (CSI)\n result.key = String.fromCharCode(27);\n } else if (ev.keyCode === 220) {\n // ^\\ - String Terminator (ST)\n result.key = String.fromCharCode(28);\n } else if (ev.keyCode === 221) {\n // ^] - Operating System Command (OSC)\n result.key = String.fromCharCode(29);\n }\n } else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {\n // On Mac this is a third level shift. Use instead.\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = '\\x1b' + String.fromCharCode(ev.keyCode + 32);\n } else if (ev.keyCode === 192) {\n result.key = '\\x1b`';\n } else if (ev.keyCode >= 48 && ev.keyCode <= 57) {\n result.key = '\\x1b' + (ev.keyCode - 48);\n }\n }\n break;\n }\n return result;\n};\n\n/**\n * Set the G level of the terminal\n * @param g\n */\nTerminal.prototype.setgLevel = function(g) {\n this.glevel = g;\n this.charset = this.charsets[g];\n};\n\n/**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\nTerminal.prototype.setgCharset = function(g, charset) {\n this.charsets[g] = charset;\n if (this.glevel === g) {\n this.charset = charset;\n }\n};\n\n/**\n * Handle a keypress event.\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keypress event to be handled.\n */\nTerminal.prototype.keyPress = function(ev) {\n var key;\n\n this.cancel(ev);\n\n if (ev.charCode) {\n key = ev.charCode;\n } else if (ev.which == null) {\n key = ev.keyCode;\n } else if (ev.which !== 0 && ev.charCode !== 0) {\n key = ev.which;\n } else {\n return false;\n }\n\n if (!key || (\n (ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev)\n )) {\n return false;\n }\n\n key = String.fromCharCode(key);\n\n this.emit('keypress', key, ev);\n this.emit('key', key, ev);\n this.showCursor();\n this.handler(key);\n\n return false;\n};\n\n/**\n * Send data for handling to the terminal\n * @param {string} data\n */\nTerminal.prototype.send = function(data) {\n var self = this;\n\n if (!this.queue) {\n setTimeout(function() {\n self.handler(self.queue);\n self.queue = '';\n }, 1);\n }\n\n this.queue += data;\n};\n\n/**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\nTerminal.prototype.bell = function() {\n if (!this.visualBell) return;\n var self = this;\n this.element.style.borderColor = 'white';\n setTimeout(function() {\n self.element.style.borderColor = '';\n }, 10);\n if (this.popOnBell) this.focus();\n};\n\n/**\n * Log the current state to the console.\n */\nTerminal.prototype.log = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.log) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.log.apply(this.context.console, args);\n};\n\n/**\n * Log the current state as error to the console.\n */\nTerminal.prototype.error = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.error) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.error.apply(this.context.console, args);\n};\n\n/**\n * Resizes the terminal.\n *\n * @param {number} x The number of columns to resize to.\n * @param {number} y The number of rows to resize to.\n */\nTerminal.prototype.resize = function(x, y) {\n var line\n , el\n , i\n , j\n , ch\n , addToY;\n\n if (x === this.cols && y === this.rows) {\n return;\n }\n\n if (x < 1) x = 1;\n if (y < 1) y = 1;\n\n // resize cols\n j = this.cols;\n if (j < x) {\n ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?\n i = this.lines.length;\n while (i--) {\n while (this.lines[i].length < x) {\n this.lines[i].push(ch);\n }\n }\n } else { // (j > x)\n i = this.lines.length;\n while (i--) {\n while (this.lines[i].length > x) {\n this.lines[i].pop();\n }\n }\n }\n this.setupStops(j);\n this.cols = x;\n\n // resize rows\n j = this.rows;\n addToY = 0;\n if (j < y) {\n el = this.element;\n while (j++ < y) {\n // y is rows, not this.y\n if (this.lines.length < y + this.ybase) {\n if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n // There is room above the buffer and there are no empty elements below the line,\n // scroll up\n this.ybase--;\n addToY++\n if (this.ydisp > 0) {\n // Viewport is at the top of the buffer, must increase downwards\n this.ydisp--;\n }\n } else {\n // Add a blank line if there is no buffer left at the top to scroll to, or if there\n // are blank lines after the cursor\n this.lines.push(this.blankLine());\n }\n }\n if (this.children.length < y) {\n this.insertRow();\n }\n }\n } else { // (j > y)\n while (j-- > y) {\n if (this.lines.length > y + this.ybase) {\n if (this.lines.length > this.ybase + this.y + 1) {\n // The line is a blank line below the cursor, remove it\n this.lines.pop();\n } else {\n // The line is the cursor, scroll down\n this.ybase++;\n this.ydisp++;\n }\n }\n if (this.children.length > y) {\n el = this.children.shift();\n if (!el) continue;\n el.parentNode.removeChild(el);\n }\n }\n }\n this.rows = y;\n\n // Make sure that the cursor stays on screen\n if (this.y >= y) {\n this.y = y - 1;\n }\n if (addToY) {\n this.y += addToY;\n }\n\n if (this.x >= x) {\n this.x = x - 1;\n }\n\n this.scrollTop = 0;\n this.scrollBottom = y - 1;\n\n this.refresh(0, this.rows - 1);\n\n this.normal = null;\n\n this.geometry = [this.cols, this.rows];\n this.emit('resize', {terminal: this, cols: x, rows: y});\n};\n\n/**\n * Updates the range of rows to refresh\n * @param {number} y The number of rows to refresh next.\n */\nTerminal.prototype.updateRange = function(y) {\n if (y < this.refreshStart) this.refreshStart = y;\n if (y > this.refreshEnd) this.refreshEnd = y;\n // if (y > this.refreshEnd) {\n // this.refreshEnd = y;\n // if (y > this.rows - 1) {\n // this.refreshEnd = this.rows - 1;\n // }\n // }\n};\n\n/**\n * Set the range of refreshing to the maximum value\n */\nTerminal.prototype.maxRange = function() {\n this.refreshStart = 0;\n this.refreshEnd = this.rows - 1;\n};\n\n\n\n/**\n * Setup the tab stops.\n * @param {number} i\n */\nTerminal.prototype.setupStops = function(i) {\n if (i != null) {\n if (!this.tabs[i]) {\n i = this.prevStop(i);\n }\n } else {\n this.tabs = {};\n i = 0;\n }\n\n for (; i < this.cols; i += 8) {\n this.tabs[i] = true;\n }\n};\n\n\n/**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param {number} x The position to move the cursor to the previous tab stop.\n */\nTerminal.prototype.prevStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[--x] && x > 0);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param {number} x The position to move the cursor one tab stop forward.\n */\nTerminal.prototype.nextStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[++x] && x < this.cols);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Erase in the identified line everything from \"x\" to the end of the line (right).\n * @param {number} x The column from which to start erasing to the end of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseRight = function(x, y) {\n var line = this.lines[this.ybase + y]\n , ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n\n for (; x < this.cols; x++) {\n line[x] = ch;\n }\n\n this.updateRange(y);\n};\n\n\n\n/**\n * Erase in the identified line everything from \"x\" to the start of the line (left).\n * @param {number} x The column from which to start erasing to the start of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseLeft = function(x, y) {\n var line = this.lines[this.ybase + y]\n , ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n x++;\n while (x--) line[x] = ch;\n\n this.updateRange(y);\n};\n\n/**\n * Clears the entire buffer, making the prompt line the new first line.\n */\nTerminal.prototype.clear = function() {\n if (this.ybase === 0 && this.y === 0) {\n // Don't clear if it's already clear\n return;\n }\n this.lines = [this.lines[this.ybase + this.y]];\n this.ydisp = 0;\n this.ybase = 0;\n this.y = 0;\n for (var i = 1; i < this.rows; i++) {\n this.lines.push(this.blankLine());\n }\n this.refresh(0, this.rows - 1);\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Erase all content in the given line\n * @param {number} y The line to erase all of its contents.\n */\nTerminal.prototype.eraseLine = function(y) {\n this.eraseRight(0, y);\n};\n\n\n/**\n * Return the data array of a blank line/\n * @param {number} cur First bunch of data for each \"blank\" character.\n */\nTerminal.prototype.blankLine = function(cur) {\n var attr = cur\n ? this.eraseAttr()\n : this.defAttr;\n\n var ch = [attr, ' ', 1] // width defaults to 1 halfwidth character\n , line = []\n , i = 0;\n\n for (; i < this.cols; i++) {\n line[i] = ch;\n }\n\n return line;\n};\n\n\n/**\n * If cur return the back color xterm feature attribute. Else return defAttr.\n * @param {object} cur\n */\nTerminal.prototype.ch = function(cur) {\n return cur\n ? [this.eraseAttr(), ' ', 1]\n : [this.defAttr, ' ', 1];\n};\n\n\n/**\n * Evaluate if the current erminal is the given argument.\n * @param {object} term The terminal to evaluate\n */\nTerminal.prototype.is = function(term) {\n var name = this.termName;\n return (name + '').indexOf(term) === 0;\n};\n\n\n/**\n * Emit the 'data' event and populate the given data.\n * @param {string} data The data to populate in the event.\n */\nTerminal.prototype.handler = function(data) {\n // Input is being sent to the terminal, the terminal should focus the prompt.\n if (this.ybase !== this.ydisp) {\n this.scrollToBottom();\n }\n this.emit('data', data);\n};\n\n\n/**\n * Emit the 'title' event and populate the given title.\n * @param {string} title The title to populate in the event.\n */\nTerminal.prototype.handleTitle = function(title) {\n /**\n * This event is emitted when the title of the terminal is changed\n * from inside the terminal. The parameter is the new title.\n *\n * @event title\n */\n this.emit('title', title);\n};\n\n\n/**\n * ESC\n */\n\n/**\n * ESC D Index (IND is 0x84).\n */\nTerminal.prototype.index = function() {\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n this.state = normal;\n};\n\n\n/**\n * ESC M Reverse Index (RI is 0x8d).\n */\nTerminal.prototype.reverseIndex = function() {\n var j;\n this.y--;\n if (this.y < this.scrollTop) {\n this.y++;\n // possibly move the code below to term.reverseScroll();\n // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n // blankLine(true) is xterm/linux behavior\n this.lines.splice(this.y + this.ybase, 0, this.blankLine(true));\n j = this.rows - 1 - this.scrollBottom;\n this.lines.splice(this.rows - 1 + this.ybase - j + 1, 1);\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n }\n this.state = normal;\n};\n\n\n/**\n * ESC c Full Reset (RIS).\n */\nTerminal.prototype.reset = function() {\n this.options.rows = this.rows;\n this.options.cols = this.cols;\n var customKeydownHandler = this.customKeydownHandler;\n Terminal.call(this, this.options);\n this.customKeydownHandler = customKeydownHandler;\n this.refresh(0, this.rows - 1);\n this.viewport.syncScrollArea();\n};\n\n\n/**\n * ESC H Tab Set (HTS is 0x88).\n */\nTerminal.prototype.tabSet = function() {\n this.tabs[this.x] = true;\n this.state = normal;\n};\n\n\n/**\n * CSI\n */\n\n/**\n * CSI Ps A\n * Cursor Up Ps Times (default = 1) (CUU).\n */\nTerminal.prototype.cursorUp = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y -= param;\n if (this.y < 0) this.y = 0;\n};\n\n\n/**\n * CSI Ps B\n * Cursor Down Ps Times (default = 1) (CUD).\n */\nTerminal.prototype.cursorDown = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * CSI Ps C\n * Cursor Forward Ps Times (default = 1) (CUF).\n */\nTerminal.prototype.cursorForward = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x += param;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Ps D\n * Cursor Backward Ps Times (default = 1) (CUB).\n */\nTerminal.prototype.cursorBackward = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x -= param;\n if (this.x < 0) this.x = 0;\n};\n\n\n/**\n * CSI Ps ; Ps H\n * Cursor Position [row;column] (default = [1,1]) (CUP).\n */\nTerminal.prototype.cursorPos = function(params) {\n var row, col;\n\n row = params[0] - 1;\n\n if (params.length >= 2) {\n col = params[1] - 1;\n } else {\n col = 0;\n }\n\n if (row < 0) {\n row = 0;\n } else if (row >= this.rows) {\n row = this.rows - 1;\n }\n\n if (col < 0) {\n col = 0;\n } else if (col >= this.cols) {\n col = this.cols - 1;\n }\n\n this.x = col;\n this.y = row;\n};\n\n\n/**\n * CSI Ps J Erase in Display (ED).\n * Ps = 0 -> Erase Below (default).\n * Ps = 1 -> Erase Above.\n * Ps = 2 -> Erase All.\n * Ps = 3 -> Erase Saved Lines (xterm).\n * CSI ? Ps J\n * Erase in Display (DECSED).\n * Ps = 0 -> Selective Erase Below (default).\n * Ps = 1 -> Selective Erase Above.\n * Ps = 2 -> Selective Erase All.\n */\nTerminal.prototype.eraseInDisplay = function(params) {\n var j;\n switch (params[0]) {\n case 0:\n this.eraseRight(this.x, this.y);\n j = this.y + 1;\n for (; j < this.rows; j++) {\n this.eraseLine(j);\n }\n break;\n case 1:\n this.eraseLeft(this.x, this.y);\n j = this.y;\n while (j--) {\n this.eraseLine(j);\n }\n break;\n case 2:\n j = this.rows;\n while (j--) this.eraseLine(j);\n break;\n case 3:\n ; // no saved lines\n break;\n }\n};\n\n\n/**\n * CSI Ps K Erase in Line (EL).\n * Ps = 0 -> Erase to Right (default).\n * Ps = 1 -> Erase to Left.\n * Ps = 2 -> Erase All.\n * CSI ? Ps K\n * Erase in Line (DECSEL).\n * Ps = 0 -> Selective Erase to Right (default).\n * Ps = 1 -> Selective Erase to Left.\n * Ps = 2 -> Selective Erase All.\n */\nTerminal.prototype.eraseInLine = function(params) {\n switch (params[0]) {\n case 0:\n this.eraseRight(this.x, this.y);\n break;\n case 1:\n this.eraseLeft(this.x, this.y);\n break;\n case 2:\n this.eraseLine(this.y);\n break;\n }\n};\n\n\n/**\n * CSI Pm m Character Attributes (SGR).\n * Ps = 0 -> Normal (default).\n * Ps = 1 -> Bold.\n * Ps = 4 -> Underlined.\n * Ps = 5 -> Blink (appears as Bold).\n * Ps = 7 -> Inverse.\n * Ps = 8 -> Invisible, i.e., hidden (VT300).\n * Ps = 2 2 -> Normal (neither bold nor faint).\n * Ps = 2 4 -> Not underlined.\n * Ps = 2 5 -> Steady (not blinking).\n * Ps = 2 7 -> Positive (not inverse).\n * Ps = 2 8 -> Visible, i.e., not hidden (VT300).\n * Ps = 3 0 -> Set foreground color to Black.\n * Ps = 3 1 -> Set foreground color to Red.\n * Ps = 3 2 -> Set foreground color to Green.\n * Ps = 3 3 -> Set foreground color to Yellow.\n * Ps = 3 4 -> Set foreground color to Blue.\n * Ps = 3 5 -> Set foreground color to Magenta.\n * Ps = 3 6 -> Set foreground color to Cyan.\n * Ps = 3 7 -> Set foreground color to White.\n * Ps = 3 9 -> Set foreground color to default (original).\n * Ps = 4 0 -> Set background color to Black.\n * Ps = 4 1 -> Set background color to Red.\n * Ps = 4 2 -> Set background color to Green.\n * Ps = 4 3 -> Set background color to Yellow.\n * Ps = 4 4 -> Set background color to Blue.\n * Ps = 4 5 -> Set background color to Magenta.\n * Ps = 4 6 -> Set background color to Cyan.\n * Ps = 4 7 -> Set background color to White.\n * Ps = 4 9 -> Set background color to default (original).\n *\n * If 16-color support is compiled, the following apply. Assume\n * that xterm's resources are set so that the ISO color codes are\n * the first 8 of a set of 16. Then the aixterm colors are the\n * bright versions of the ISO colors:\n * Ps = 9 0 -> Set foreground color to Black.\n * Ps = 9 1 -> Set foreground color to Red.\n * Ps = 9 2 -> Set foreground color to Green.\n * Ps = 9 3 -> Set foreground color to Yellow.\n * Ps = 9 4 -> Set foreground color to Blue.\n * Ps = 9 5 -> Set foreground color to Magenta.\n * Ps = 9 6 -> Set foreground color to Cyan.\n * Ps = 9 7 -> Set foreground color to White.\n * Ps = 1 0 0 -> Set background color to Black.\n * Ps = 1 0 1 -> Set background color to Red.\n * Ps = 1 0 2 -> Set background color to Green.\n * Ps = 1 0 3 -> Set background color to Yellow.\n * Ps = 1 0 4 -> Set background color to Blue.\n * Ps = 1 0 5 -> Set background color to Magenta.\n * Ps = 1 0 6 -> Set background color to Cyan.\n * Ps = 1 0 7 -> Set background color to White.\n *\n * If xterm is compiled with the 16-color support disabled, it\n * supports the following, from rxvt:\n * Ps = 1 0 0 -> Set foreground and background color to\n * default.\n *\n * If 88- or 256-color support is compiled, the following apply.\n * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second\n * Ps.\n * Ps = 4 8 ; 5 ; Ps -> Set background color to the second\n * Ps.\n */\nTerminal.prototype.charAttributes = function(params) {\n // Optimize a single SGR0.\n if (params.length === 1 && params[0] === 0) {\n this.curAttr = this.defAttr;\n return;\n }\n\n var l = params.length\n , i = 0\n , flags = this.curAttr >> 18\n , fg = (this.curAttr >> 9) & 0x1ff\n , bg = this.curAttr & 0x1ff\n , p;\n\n for (; i < l; i++) {\n p = params[i];\n if (p >= 30 && p <= 37) {\n // fg color 8\n fg = p - 30;\n } else if (p >= 40 && p <= 47) {\n // bg color 8\n bg = p - 40;\n } else if (p >= 90 && p <= 97) {\n // fg color 16\n p += 8;\n fg = p - 90;\n } else if (p >= 100 && p <= 107) {\n // bg color 16\n p += 8;\n bg = p - 100;\n } else if (p === 0) {\n // default\n flags = this.defAttr >> 18;\n fg = (this.defAttr >> 9) & 0x1ff;\n bg = this.defAttr & 0x1ff;\n // flags = 0;\n // fg = 0x1ff;\n // bg = 0x1ff;\n } else if (p === 1) {\n // bold text\n flags |= 1;\n } else if (p === 4) {\n // underlined text\n flags |= 2;\n } else if (p === 5) {\n // blink\n flags |= 4;\n } else if (p === 7) {\n // inverse and positive\n // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n flags |= 8;\n } else if (p === 8) {\n // invisible\n flags |= 16;\n } else if (p === 22) {\n // not bold\n flags &= ~1;\n } else if (p === 24) {\n // not underlined\n flags &= ~2;\n } else if (p === 25) {\n // not blink\n flags &= ~4;\n } else if (p === 27) {\n // not inverse\n flags &= ~8;\n } else if (p === 28) {\n // not invisible\n flags &= ~16;\n } else if (p === 39) {\n // reset fg\n fg = (this.defAttr >> 9) & 0x1ff;\n } else if (p === 49) {\n // reset bg\n bg = this.defAttr & 0x1ff;\n } else if (p === 38) {\n // fg color 256\n if (params[i + 1] === 2) {\n i += 2;\n fg = matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (fg === -1) fg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n fg = p;\n }\n } else if (p === 48) {\n // bg color 256\n if (params[i + 1] === 2) {\n i += 2;\n bg = matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (bg === -1) bg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n bg = p;\n }\n } else if (p === 100) {\n // reset fg/bg\n fg = (this.defAttr >> 9) & 0x1ff;\n bg = this.defAttr & 0x1ff;\n } else {\n this.error('Unknown SGR attribute: %d.', p);\n }\n }\n\n this.curAttr = (flags << 18) | (fg << 9) | bg;\n};\n\n\n/**\n * CSI Ps n Device Status Report (DSR).\n * Ps = 5 -> Status Report. Result (``OK'') is\n * CSI 0 n\n * Ps = 6 -> Report Cursor Position (CPR) [row;column].\n * Result is\n * CSI r ; c R\n * CSI ? Ps n\n * Device Status Report (DSR, DEC-specific).\n * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI\n * ? r ; c R (assumes page is zero).\n * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).\n * or CSI ? 1 1 n (not ready).\n * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)\n * or CSI ? 2 1 n (locked).\n * Ps = 2 6 -> Report Keyboard status as\n * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).\n * The last two parameters apply to VT400 & up, and denote key-\n * board ready and LK01 respectively.\n * Ps = 5 3 -> Report Locator status as\n * CSI ? 5 3 n Locator available, if compiled-in, or\n * CSI ? 5 0 n No Locator, if not.\n */\nTerminal.prototype.deviceStatus = function(params) {\n if (!this.prefix) {\n switch (params[0]) {\n case 5:\n // status report\n this.send('\\x1b[0n');\n break;\n case 6:\n // cursor position\n this.send('\\x1b['\n + (this.y + 1)\n + ';'\n + (this.x + 1)\n + 'R');\n break;\n }\n } else if (this.prefix === '?') {\n // modern xterm doesnt seem to\n // respond to any of these except ?6, 6, and 5\n switch (params[0]) {\n case 6:\n // cursor position\n this.send('\\x1b[?'\n + (this.y + 1)\n + ';'\n + (this.x + 1)\n + 'R');\n break;\n case 15:\n // no printer\n // this.send('\\x1b[?11n');\n break;\n case 25:\n // dont support user defined keys\n // this.send('\\x1b[?21n');\n break;\n case 26:\n // north american keyboard\n // this.send('\\x1b[?27;1;0;0n');\n break;\n case 53:\n // no dec locator/mouse\n // this.send('\\x1b[?50n');\n break;\n }\n }\n};\n\n\n/**\n * Additions\n */\n\n/**\n * CSI Ps @\n * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n */\nTerminal.prototype.insertChars = function(params) {\n var param, row, j, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n j = this.x;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this.cols) {\n this.lines[row].splice(j++, 0, ch);\n this.lines[row].pop();\n }\n};\n\n/**\n * CSI Ps E\n * Cursor Next Line Ps Times (default = 1) (CNL).\n * same as CSI Ps B ?\n */\nTerminal.prototype.cursorNextLine = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n this.x = 0;\n};\n\n\n/**\n * CSI Ps F\n * Cursor Preceding Line Ps Times (default = 1) (CNL).\n * reuse CSI Ps A ?\n */\nTerminal.prototype.cursorPrecedingLine = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y -= param;\n if (this.y < 0) this.y = 0;\n this.x = 0;\n};\n\n\n/**\n * CSI Ps G\n * Cursor Character Absolute [column] (default = [row,1]) (CHA).\n */\nTerminal.prototype.cursorCharAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x = param - 1;\n};\n\n\n/**\n * CSI Ps L\n * Insert Ps Line(s) (default = 1) (IL).\n */\nTerminal.prototype.insertLines = function(params) {\n var param, row, j;\n\n param = params[0];\n if (param < 1) param = 1;\n row = this.y + this.ybase;\n\n j = this.rows - 1 - this.scrollBottom;\n j = this.rows - 1 + this.ybase - j + 1;\n\n while (param--) {\n // test: echo -e '\\e[44m\\e[1L\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this.lines.splice(row, 0, this.blankLine(true));\n this.lines.splice(j, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.y);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps M\n * Delete Ps Line(s) (default = 1) (DL).\n */\nTerminal.prototype.deleteLines = function(params) {\n var param, row, j;\n\n param = params[0];\n if (param < 1) param = 1;\n row = this.y + this.ybase;\n\n j = this.rows - 1 - this.scrollBottom;\n j = this.rows - 1 + this.ybase - j;\n\n while (param--) {\n // test: echo -e '\\e[44m\\e[1M\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this.lines.splice(j + 1, 0, this.blankLine(true));\n this.lines.splice(row, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.y);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps P\n * Delete Ps Character(s) (default = 1) (DCH).\n */\nTerminal.prototype.deleteChars = function(params) {\n var param, row, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param--) {\n this.lines[row].splice(this.x, 1);\n this.lines[row].push(ch);\n }\n};\n\n/**\n * CSI Ps X\n * Erase Ps Character(s) (default = 1) (ECH).\n */\nTerminal.prototype.eraseChars = function(params) {\n var param, row, j, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this.y + this.ybase;\n j = this.x;\n ch = [this.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this.cols) {\n this.lines[row][j++] = ch;\n }\n};\n\n/**\n * CSI Pm ` Character Position Absolute\n * [column] (default = [row,1]) (HPA).\n */\nTerminal.prototype.charPosAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x = param - 1;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * 141 61 a * HPR -\n * Horizontal Position Relative\n * reuse CSI Ps C ?\n */\nTerminal.prototype.HPositionRelative = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.x += param;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Ps c Send Device Attributes (Primary DA).\n * Ps = 0 or omitted -> request attributes from terminal. The\n * response depends on the decTerminalID resource setting.\n * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')\n * -> CSI ? 1 ; 0 c (``VT101 with No Options'')\n * -> CSI ? 6 c (``VT102'')\n * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')\n * The VT100-style response parameters do not mean anything by\n * themselves. VT220 parameters do, telling the host what fea-\n * tures the terminal supports:\n * Ps = 1 -> 132-columns.\n * Ps = 2 -> Printer.\n * Ps = 6 -> Selective erase.\n * Ps = 8 -> User-defined keys.\n * Ps = 9 -> National replacement character sets.\n * Ps = 1 5 -> Technical characters.\n * Ps = 2 2 -> ANSI color, e.g., VT525.\n * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).\n * CSI > Ps c\n * Send Device Attributes (Secondary DA).\n * Ps = 0 or omitted -> request the terminal's identification\n * code. The response depends on the decTerminalID resource set-\n * ting. It should apply only to VT220 and up, but xterm extends\n * this to VT100.\n * -> CSI > Pp ; Pv ; Pc c\n * where Pp denotes the terminal type\n * Pp = 0 -> ``VT100''.\n * Pp = 1 -> ``VT220''.\n * and Pv is the firmware version (for xterm, this was originally\n * the XFree86 patch number, starting with 95). In a DEC termi-\n * nal, Pc indicates the ROM cartridge registration number and is\n * always zero.\n * More information:\n * xterm/charproc.c - line 2012, for more information.\n * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n */\nTerminal.prototype.sendDeviceAttributes = function(params) {\n if (params[0] > 0) return;\n\n if (!this.prefix) {\n if (this.is('xterm')\n || this.is('rxvt-unicode')\n || this.is('screen')) {\n this.send('\\x1b[?1;2c');\n } else if (this.is('linux')) {\n this.send('\\x1b[?6c');\n }\n } else if (this.prefix === '>') {\n // xterm and urxvt\n // seem to spit this\n // out around ~370 times (?).\n if (this.is('xterm')) {\n this.send('\\x1b[>0;276;0c');\n } else if (this.is('rxvt-unicode')) {\n this.send('\\x1b[>85;95;0c');\n } else if (this.is('linux')) {\n // not supported by linux console.\n // linux console echoes parameters.\n this.send(params[0] + 'c');\n } else if (this.is('screen')) {\n this.send('\\x1b[>83;40003;0c');\n }\n }\n};\n\n\n/**\n * CSI Pm d\n * Line Position Absolute [row] (default = [1,column]) (VPA).\n */\nTerminal.prototype.linePosAbsolute = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y = param - 1;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * 145 65 e * VPR - Vertical Position Relative\n * reuse CSI Ps B ?\n */\nTerminal.prototype.VPositionRelative = function(params) {\n var param = params[0];\n if (param < 1) param = 1;\n this.y += param;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n};\n\n\n/**\n * CSI Ps ; Ps f\n * Horizontal and Vertical Position [row;column] (default =\n * [1,1]) (HVP).\n */\nTerminal.prototype.HVPosition = function(params) {\n if (params[0] < 1) params[0] = 1;\n if (params[1] < 1) params[1] = 1;\n\n this.y = params[0] - 1;\n if (this.y >= this.rows) {\n this.y = this.rows - 1;\n }\n\n this.x = params[1] - 1;\n if (this.x >= this.cols) {\n this.x = this.cols - 1;\n }\n};\n\n\n/**\n * CSI Pm h Set Mode (SM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Insert Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Automatic Newline (LNM).\n * CSI ? Pm h\n * DEC Private Mode Set (DECSET).\n * Ps = 1 -> Application Cursor Keys (DECCKM).\n * Ps = 2 -> Designate USASCII for character sets G0-G3\n * (DECANM), and set VT100 mode.\n * Ps = 3 -> 132 Column Mode (DECCOLM).\n * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).\n * Ps = 5 -> Reverse Video (DECSCNM).\n * Ps = 6 -> Origin Mode (DECOM).\n * Ps = 7 -> Wraparound Mode (DECAWM).\n * Ps = 8 -> Auto-repeat Keys (DECARM).\n * Ps = 9 -> Send Mouse X & Y on button press. See the sec-\n * tion Mouse Tracking.\n * Ps = 1 0 -> Show toolbar (rxvt).\n * Ps = 1 2 -> Start Blinking Cursor (att610).\n * Ps = 1 8 -> Print form feed (DECPFF).\n * Ps = 1 9 -> Set print extent to full screen (DECPEX).\n * Ps = 2 5 -> Show Cursor (DECTCEM).\n * Ps = 3 0 -> Show scrollbar (rxvt).\n * Ps = 3 5 -> Enable font-shifting functions (rxvt).\n * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).\n * Ps = 4 0 -> Allow 80 -> 132 Mode.\n * Ps = 4 1 -> more(1) fix (see curses resource).\n * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-\n * RCM).\n * Ps = 4 4 -> Turn On Margin Bell.\n * Ps = 4 5 -> Reverse-wraparound Mode.\n * Ps = 4 6 -> Start Logging. This is normally disabled by a\n * compile-time option.\n * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 6 6 -> Application keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).\n * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).\n * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Interpret \"meta\" key, sets eighth bit.\n * (enables the eightBitInput resource).\n * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-\n * Lock keys. (This enables the numLock resource).\n * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This\n * enables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete\n * key.\n * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This\n * enables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Keep selection even if not highlighted.\n * (This enables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Enable Urgency window manager hint when\n * Control-G is received. (This enables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Enable raising of the window when Control-G\n * is received. (enables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate\n * Screen Buffer, clearing it first. (This may be disabled by\n * the titeInhibit resource). This combines the effects of the 1\n * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based\n * applications rather than the 4 7 mode.\n * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Set Sun function-key mode.\n * Ps = 1 0 5 2 -> Set HP function-key mode.\n * Ps = 1 0 5 3 -> Set SCO function-key mode.\n * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.\n * Ps = 2 0 0 4 -> Set bracketed paste mode.\n * Modes:\n * http: *vt100.net/docs/vt220-rm/chapter4.html\n */\nTerminal.prototype.setMode = function(params) {\n if (typeof params === 'object') {\n var l = params.length\n , i = 0;\n\n for (; i < l; i++) {\n this.setMode(params[i]);\n }\n\n return;\n }\n\n if (!this.prefix) {\n switch (params) {\n case 4:\n this.insertMode = true;\n break;\n case 20:\n //this.convertEol = true;\n break;\n }\n } else if (this.prefix === '?') {\n switch (params) {\n case 1:\n this.applicationCursor = true;\n break;\n case 2:\n this.setgCharset(0, Terminal.charsets.US);\n this.setgCharset(1, Terminal.charsets.US);\n this.setgCharset(2, Terminal.charsets.US);\n this.setgCharset(3, Terminal.charsets.US);\n // set VT100 mode here\n break;\n case 3: // 132 col mode\n this.savedCols = this.cols;\n this.resize(132, this.rows);\n break;\n case 6:\n this.originMode = true;\n break;\n case 7:\n this.wraparoundMode = true;\n break;\n case 12:\n // this.cursorBlink = true;\n break;\n case 66:\n this.log('Serial port requested application keypad.');\n this.applicationKeypad = true;\n this.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n // no release, no motion, no wheel, no modifiers.\n case 1000: // vt200 mouse\n // no motion.\n // no modifiers, except control on the wheel.\n case 1002: // button event mouse\n case 1003: // any event mouse\n // any event - sends motion events,\n // even if there is no button held down.\n this.x10Mouse = params === 9;\n this.vt200Mouse = params === 1000;\n this.normalMouse = params > 1000;\n this.mouseEvents = true;\n this.element.style.cursor = 'default';\n this.log('Binding to mouse events.');\n break;\n case 1004: // send focusin/focusout events\n // focusin: ^[[I\n // focusout: ^[[O\n this.sendFocus = true;\n break;\n case 1005: // utf8 ext mode mouse\n this.utfMouse = true;\n // for wide terminals\n // simply encodes large values as utf8 characters\n break;\n case 1006: // sgr ext mode mouse\n this.sgrMouse = true;\n // for wide terminals\n // does not add 32 to fields\n // press: ^[[ Keyboard Action Mode (AM).\n * Ps = 4 -> Replace Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Normal Linefeed (LNM).\n * CSI ? Pm l\n * DEC Private Mode Reset (DECRST).\n * Ps = 1 -> Normal Cursor Keys (DECCKM).\n * Ps = 2 -> Designate VT52 mode (DECANM).\n * Ps = 3 -> 80 Column Mode (DECCOLM).\n * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).\n * Ps = 5 -> Normal Video (DECSCNM).\n * Ps = 6 -> Normal Cursor Mode (DECOM).\n * Ps = 7 -> No Wraparound Mode (DECAWM).\n * Ps = 8 -> No Auto-repeat Keys (DECARM).\n * Ps = 9 -> Don't send Mouse X & Y on button press.\n * Ps = 1 0 -> Hide toolbar (rxvt).\n * Ps = 1 2 -> Stop Blinking Cursor (att610).\n * Ps = 1 8 -> Don't print form feed (DECPFF).\n * Ps = 1 9 -> Limit print to scrolling region (DECPEX).\n * Ps = 2 5 -> Hide Cursor (DECTCEM).\n * Ps = 3 0 -> Don't show scrollbar (rxvt).\n * Ps = 3 5 -> Disable font-shifting functions (rxvt).\n * Ps = 4 0 -> Disallow 80 -> 132 Mode.\n * Ps = 4 1 -> No more(1) fix (see curses resource).\n * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-\n * NRCM).\n * Ps = 4 4 -> Turn Off Margin Bell.\n * Ps = 4 5 -> No Reverse-wraparound Mode.\n * Ps = 4 6 -> Stop Logging. (This is normally disabled by a\n * compile-time option).\n * Ps = 4 7 -> Use Normal Screen Buffer.\n * Ps = 6 6 -> Numeric keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends delete (DECBKM).\n * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output\n * (rxvt).\n * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Don't interpret \"meta\" key. (This disables\n * the eightBitInput resource).\n * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-\n * Lock keys. (This disables the numLock resource).\n * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.\n * (This disables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad\n * Delete key.\n * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.\n * (This disables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.\n * (This disables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Disable Urgency window manager hint when\n * Control-G is received. (This disables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Disable raising of the window when Control-\n * G is received. (This disables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen\n * first if in the Alternate Screen. (This may be disabled by\n * the titeInhibit resource).\n * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor\n * as in DECRC. (This may be disabled by the titeInhibit\n * resource). This combines the effects of the 1 0 4 7 and 1 0\n * 4 8 modes. Use this with terminfo-based applications rather\n * than the 4 7 mode.\n * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Reset Sun function-key mode.\n * Ps = 1 0 5 2 -> Reset HP function-key mode.\n * Ps = 1 0 5 3 -> Reset SCO function-key mode.\n * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.\n * Ps = 2 0 0 4 -> Reset bracketed paste mode.\n */\nTerminal.prototype.resetMode = function(params) {\n if (typeof params === 'object') {\n var l = params.length\n , i = 0;\n\n for (; i < l; i++) {\n this.resetMode(params[i]);\n }\n\n return;\n }\n\n if (!this.prefix) {\n switch (params) {\n case 4:\n this.insertMode = false;\n break;\n case 20:\n //this.convertEol = false;\n break;\n }\n } else if (this.prefix === '?') {\n switch (params) {\n case 1:\n this.applicationCursor = false;\n break;\n case 3:\n if (this.cols === 132 && this.savedCols) {\n this.resize(this.savedCols, this.rows);\n }\n delete this.savedCols;\n break;\n case 6:\n this.originMode = false;\n break;\n case 7:\n this.wraparoundMode = false;\n break;\n case 12:\n // this.cursorBlink = false;\n break;\n case 66:\n this.log('Switching back to normal keypad.');\n this.applicationKeypad = false;\n this.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n case 1000: // vt200 mouse\n case 1002: // button event mouse\n case 1003: // any event mouse\n this.x10Mouse = false;\n this.vt200Mouse = false;\n this.normalMouse = false;\n this.mouseEvents = false;\n this.element.style.cursor = '';\n break;\n case 1004: // send focusin/focusout events\n this.sendFocus = false;\n break;\n case 1005: // utf8 ext mode mouse\n this.utfMouse = false;\n break;\n case 1006: // sgr ext mode mouse\n this.sgrMouse = false;\n break;\n case 1015: // urxvt ext mode mouse\n this.urxvtMouse = false;\n break;\n case 25: // hide cursor\n this.cursorHidden = true;\n break;\n case 1049: // alt screen buffer cursor\n ; // FALL-THROUGH\n case 47: // normal screen buffer\n case 1047: // normal screen buffer - clearing it first\n if (this.normal) {\n this.lines = this.normal.lines;\n this.ybase = this.normal.ybase;\n this.ydisp = this.normal.ydisp;\n this.x = this.normal.x;\n this.y = this.normal.y;\n this.scrollTop = this.normal.scrollTop;\n this.scrollBottom = this.normal.scrollBottom;\n this.tabs = this.normal.tabs;\n this.normal = null;\n // if (params === 1049) {\n // this.x = this.savedX;\n // this.y = this.savedY;\n // }\n this.refresh(0, this.rows - 1);\n this.showCursor();\n }\n break;\n }\n }\n};\n\n\n/**\n * CSI Ps ; Ps r\n * Set Scrolling Region [top;bottom] (default = full size of win-\n * dow) (DECSTBM).\n * CSI ? Pm r\n */\nTerminal.prototype.setScrollRegion = function(params) {\n if (this.prefix) return;\n this.scrollTop = (params[0] || 1) - 1;\n this.scrollBottom = (params[1] || this.rows) - 1;\n this.x = 0;\n this.y = 0;\n};\n\n\n/**\n * CSI s\n * Save cursor (ANSI.SYS).\n */\nTerminal.prototype.saveCursor = function(params) {\n this.savedX = this.x;\n this.savedY = this.y;\n};\n\n\n/**\n * CSI u\n * Restore cursor (ANSI.SYS).\n */\nTerminal.prototype.restoreCursor = function(params) {\n this.x = this.savedX || 0;\n this.y = this.savedY || 0;\n};\n\n\n/**\n * Lesser Used\n */\n\n/**\n * CSI Ps I\n * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n */\nTerminal.prototype.cursorForwardTab = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.x = this.nextStop();\n }\n};\n\n\n/**\n * CSI Ps S Scroll up Ps lines (default = 1) (SU).\n */\nTerminal.prototype.scrollUp = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.lines.splice(this.ybase + this.scrollTop, 1);\n this.lines.splice(this.ybase + this.scrollBottom, 0, this.blankLine());\n }\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps T Scroll down Ps lines (default = 1) (SD).\n */\nTerminal.prototype.scrollDown = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.lines.splice(this.ybase + this.scrollBottom, 1);\n this.lines.splice(this.ybase + this.scrollTop, 0, this.blankLine());\n }\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n};\n\n\n/**\n * CSI Ps ; Ps ; Ps ; Ps ; Ps T\n * Initiate highlight mouse tracking. Parameters are\n * [func;startx;starty;firstrow;lastrow]. See the section Mouse\n * Tracking.\n */\nTerminal.prototype.initMouseTracking = function(params) {\n // Relevant: DECSET 1001\n};\n\n\n/**\n * CSI > Ps; Ps T\n * Reset one or more features of the title modes to the default\n * value. Normally, \"reset\" disables the feature. It is possi-\n * ble to disable the ability to reset features by compiling a\n * different default for the title modes into xterm.\n * Ps = 0 -> Do not set window/icon labels using hexadecimal.\n * Ps = 1 -> Do not query window/icon labels using hexadeci-\n * mal.\n * Ps = 2 -> Do not set window/icon labels using UTF-8.\n * Ps = 3 -> Do not query window/icon labels using UTF-8.\n * (See discussion of \"Title Modes\").\n */\nTerminal.prototype.resetTitleModes = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n */\nTerminal.prototype.cursorBackwardTab = function(params) {\n var param = params[0] || 1;\n while (param--) {\n this.x = this.prevStop();\n }\n};\n\n\n/**\n * CSI Ps b Repeat the preceding graphic character Ps times (REP).\n */\nTerminal.prototype.repeatPrecedingCharacter = function(params) {\n var param = params[0] || 1\n , line = this.lines[this.ybase + this.y]\n , ch = line[this.x - 1] || [this.defAttr, ' ', 1];\n\n while (param--) line[this.x++] = ch;\n};\n\n\n/**\n * CSI Ps g Tab Clear (TBC).\n * Ps = 0 -> Clear Current Column (default).\n * Ps = 3 -> Clear All.\n * Potentially:\n * Ps = 2 -> Clear Stops on Line.\n * http://vt100.net/annarbor/aaa-ug/section6.html\n */\nTerminal.prototype.tabClear = function(params) {\n var param = params[0];\n if (param <= 0) {\n delete this.tabs[this.x];\n } else if (param === 3) {\n this.tabs = {};\n }\n};\n\n\n/**\n * CSI Pm i Media Copy (MC).\n * Ps = 0 -> Print screen (default).\n * Ps = 4 -> Turn off printer controller mode.\n * Ps = 5 -> Turn on printer controller mode.\n * CSI ? Pm i\n * Media Copy (MC, DEC-specific).\n * Ps = 1 -> Print line containing cursor.\n * Ps = 4 -> Turn off autoprint mode.\n * Ps = 5 -> Turn on autoprint mode.\n * Ps = 1 0 -> Print composed display, ignores DECPEX.\n * Ps = 1 1 -> Print all pages.\n */\nTerminal.prototype.mediaCopy = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps; Ps m\n * Set or reset resource-values used by xterm to decide whether\n * to construct escape sequences holding information about the\n * modifiers pressed with a given key. The first parameter iden-\n * tifies the resource to set/reset. The second parameter is the\n * value to assign to the resource. If the second parameter is\n * omitted, the resource is reset to its initial value.\n * Ps = 1 -> modifyCursorKeys.\n * Ps = 2 -> modifyFunctionKeys.\n * Ps = 4 -> modifyOtherKeys.\n * If no parameters are given, all resources are reset to their\n * initial values.\n */\nTerminal.prototype.setResources = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps n\n * Disable modifiers which may be enabled via the CSI > Ps; Ps m\n * sequence. This corresponds to a resource value of \"-1\", which\n * cannot be set with the other sequence. The parameter identi-\n * fies the resource to be disabled:\n * Ps = 1 -> modifyCursorKeys.\n * Ps = 2 -> modifyFunctionKeys.\n * Ps = 4 -> modifyOtherKeys.\n * If the parameter is omitted, modifyFunctionKeys is disabled.\n * When modifyFunctionKeys is disabled, xterm uses the modifier\n * keys to make an extended sequence of functions rather than\n * adding a parameter to each function key to denote the modi-\n * fiers.\n */\nTerminal.prototype.disableModifiers = function(params) {\n ;\n};\n\n\n/**\n * CSI > Ps p\n * Set resource value pointerMode. This is used by xterm to\n * decide whether to hide the pointer cursor as the user types.\n * Valid values for the parameter:\n * Ps = 0 -> never hide the pointer.\n * Ps = 1 -> hide if the mouse tracking mode is not enabled.\n * Ps = 2 -> always hide the pointer. If no parameter is\n * given, xterm uses the default, which is 1 .\n */\nTerminal.prototype.setPointerMode = function(params) {\n ;\n};\n\n\n/**\n * CSI ! p Soft terminal reset (DECSTR).\n * http://vt100.net/docs/vt220-rm/table4-10.html\n */\nTerminal.prototype.softReset = function(params) {\n this.cursorHidden = false;\n this.insertMode = false;\n this.originMode = false;\n this.wraparoundMode = false; // autowrap\n this.applicationKeypad = false; // ?\n this.viewport.syncScrollArea();\n this.applicationCursor = false;\n this.scrollTop = 0;\n this.scrollBottom = this.rows - 1;\n this.curAttr = this.defAttr;\n this.x = this.y = 0; // ?\n this.charset = null;\n this.glevel = 0; // ??\n this.charsets = [null]; // ??\n};\n\n\n/**\n * CSI Ps$ p\n * Request ANSI mode (DECRQM). For VT300 and up, reply is\n * CSI Ps; Pm$ y\n * where Ps is the mode number as in RM, and Pm is the mode\n * value:\n * 0 - not recognized\n * 1 - set\n * 2 - reset\n * 3 - permanently set\n * 4 - permanently reset\n */\nTerminal.prototype.requestAnsiMode = function(params) {\n ;\n};\n\n\n/**\n * CSI ? Ps$ p\n * Request DEC private mode (DECRQM). For VT300 and up, reply is\n * CSI ? Ps; Pm$ p\n * where Ps is the mode number as in DECSET, Pm is the mode value\n * as in the ANSI DECRQM.\n */\nTerminal.prototype.requestPrivateMode = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps ; Ps \" p\n * Set conformance level (DECSCL). Valid values for the first\n * parameter:\n * Ps = 6 1 -> VT100.\n * Ps = 6 2 -> VT200.\n * Ps = 6 3 -> VT300.\n * Valid values for the second parameter:\n * Ps = 0 -> 8-bit controls.\n * Ps = 1 -> 7-bit controls (always set for VT100).\n * Ps = 2 -> 8-bit controls.\n */\nTerminal.prototype.setConformanceLevel = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps q Load LEDs (DECLL).\n * Ps = 0 -> Clear all LEDS (default).\n * Ps = 1 -> Light Num Lock.\n * Ps = 2 -> Light Caps Lock.\n * Ps = 3 -> Light Scroll Lock.\n * Ps = 2 1 -> Extinguish Num Lock.\n * Ps = 2 2 -> Extinguish Caps Lock.\n * Ps = 2 3 -> Extinguish Scroll Lock.\n */\nTerminal.prototype.loadLEDs = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps SP q\n * Set cursor style (DECSCUSR, VT520).\n * Ps = 0 -> blinking block.\n * Ps = 1 -> blinking block (default).\n * Ps = 2 -> steady block.\n * Ps = 3 -> blinking underline.\n * Ps = 4 -> steady underline.\n */\nTerminal.prototype.setCursorStyle = function(params) {\n ;\n};\n\n\n/**\n * CSI Ps \" q\n * Select character protection attribute (DECSCA). Valid values\n * for the parameter:\n * Ps = 0 -> DECSED and DECSEL can erase (default).\n * Ps = 1 -> DECSED and DECSEL cannot erase.\n * Ps = 2 -> DECSED and DECSEL can erase.\n */\nTerminal.prototype.setCharProtectionAttr = function(params) {\n ;\n};\n\n\n/**\n * CSI ? Pm r\n * Restore DEC Private Mode Values. The value of Ps previously\n * saved is restored. Ps values are the same as for DECSET.\n */\nTerminal.prototype.restorePrivateValues = function(params) {\n ;\n};\n\n\n/**\n * CSI Pt; Pl; Pb; Pr; Ps$ r\n * Change Attributes in Rectangular Area (DECCARA), VT400 and up.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * Ps denotes the SGR attributes to change: 0, 1, 4, 5, 7.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.setAttrInRectangle = function(params) {\n var t = params[0]\n , l = params[1]\n , b = params[2]\n , r = params[3]\n , attr = params[4];\n\n var line\n , i;\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = [attr, line[i][1]];\n }\n }\n\n // this.maxRange();\n this.updateRange(params[0]);\n this.updateRange(params[2]);\n};\n\n\n/**\n * CSI Pc; Pt; Pl; Pb; Pr$ x\n * Fill Rectangular Area (DECFRA), VT420 and up.\n * Pc is the character to use.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.fillRectangle = function(params) {\n var ch = params[0]\n , t = params[1]\n , l = params[2]\n , b = params[3]\n , r = params[4];\n\n var line\n , i;\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = [line[i][0], String.fromCharCode(ch)];\n }\n }\n\n // this.maxRange();\n this.updateRange(params[1]);\n this.updateRange(params[3]);\n};\n\n\n/**\n * CSI Ps ; Pu ' z\n * Enable Locator Reporting (DECELR).\n * Valid values for the first parameter:\n * Ps = 0 -> Locator disabled (default).\n * Ps = 1 -> Locator enabled.\n * Ps = 2 -> Locator enabled for one report, then disabled.\n * The second parameter specifies the coordinate unit for locator\n * reports.\n * Valid values for the second parameter:\n * Pu = 0 <- or omitted -> default to character cells.\n * Pu = 1 <- device physical pixels.\n * Pu = 2 <- character cells.\n */\nTerminal.prototype.enableLocatorReporting = function(params) {\n var val = params[0] > 0;\n //this.mouseEvents = val;\n //this.decLocator = val;\n};\n\n\n/**\n * CSI Pt; Pl; Pb; Pr$ z\n * Erase Rectangular Area (DECERA), VT400 and up.\n * Pt; Pl; Pb; Pr denotes the rectangle.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.eraseRectangle = function(params) {\n var t = params[0]\n , l = params[1]\n , b = params[2]\n , r = params[3];\n\n var line\n , i\n , ch;\n\n ch = [this.eraseAttr(), ' ', 1]; // xterm?\n\n for (; t < b + 1; t++) {\n line = this.lines[this.ybase + t];\n for (i = l; i < r; i++) {\n line[i] = ch;\n }\n }\n\n // this.maxRange();\n this.updateRange(params[0]);\n this.updateRange(params[2]);\n};\n\n\n/**\n * CSI P m SP }\n * Insert P s Column(s) (default = 1) (DECIC), VT420 and up.\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.insertColumns = function() {\n var param = params[0]\n , l = this.ybase + this.rows\n , ch = [this.eraseAttr(), ' ', 1] // xterm?\n , i;\n\n while (param--) {\n for (i = this.ybase; i < l; i++) {\n this.lines[i].splice(this.x + 1, 0, ch);\n this.lines[i].pop();\n }\n }\n\n this.maxRange();\n};\n\n\n/**\n * CSI P m SP ~\n * Delete P s Column(s) (default = 1) (DECDC), VT420 and up\n * NOTE: xterm doesn't enable this code by default.\n */\nTerminal.prototype.deleteColumns = function() {\n var param = params[0]\n , l = this.ybase + this.rows\n , ch = [this.eraseAttr(), ' ', 1] // xterm?\n , i;\n\n while (param--) {\n for (i = this.ybase; i < l; i++) {\n this.lines[i].splice(this.x, 1);\n this.lines[i].push(ch);\n }\n }\n\n this.maxRange();\n};\n\n/**\n * Character Sets\n */\n\nTerminal.charsets = {};\n\n// DEC Special Character and Line Drawing Set.\n// http://vt100.net/docs/vt102-ug/table5-13.html\n// A lot of curses apps use this if they see TERM=xterm.\n// testing: echo -e '\\e(0a\\e(B'\n// The xterm output sometimes seems to conflict with the\n// reference above. xterm seems in line with the reference\n// when running vttest however.\n// The table below now uses xterm's output from vttest.\nTerminal.charsets.SCLD = { // (0\n '`': '\\u25c6', // '◆'\n 'a': '\\u2592', // '▒'\n 'b': '\\u0009', // '\\t'\n 'c': '\\u000c', // '\\f'\n 'd': '\\u000d', // '\\r'\n 'e': '\\u000a', // '\\n'\n 'f': '\\u00b0', // '°'\n 'g': '\\u00b1', // '±'\n 'h': '\\u2424', // '\\u2424' (NL)\n 'i': '\\u000b', // '\\v'\n 'j': '\\u2518', // '┘'\n 'k': '\\u2510', // '┐'\n 'l': '\\u250c', // '┌'\n 'm': '\\u2514', // '└'\n 'n': '\\u253c', // '┼'\n 'o': '\\u23ba', // '⎺'\n 'p': '\\u23bb', // '⎻'\n 'q': '\\u2500', // '─'\n 'r': '\\u23bc', // '⎼'\n 's': '\\u23bd', // '⎽'\n 't': '\\u251c', // '├'\n 'u': '\\u2524', // '┤'\n 'v': '\\u2534', // '┴'\n 'w': '\\u252c', // '┬'\n 'x': '\\u2502', // '│'\n 'y': '\\u2264', // '≤'\n 'z': '\\u2265', // '≥'\n '{': '\\u03c0', // 'π'\n '|': '\\u2260', // '≠'\n '}': '\\u00a3', // '£'\n '~': '\\u00b7' // '·'\n};\n\nTerminal.charsets.UK = null; // (A\nTerminal.charsets.US = null; // (B (USASCII)\nTerminal.charsets.Dutch = null; // (4\nTerminal.charsets.Finnish = null; // (C or (5\nTerminal.charsets.French = null; // (R\nTerminal.charsets.FrenchCanadian = null; // (Q\nTerminal.charsets.German = null; // (K\nTerminal.charsets.Italian = null; // (Y\nTerminal.charsets.NorwegianDanish = null; // (E or (6\nTerminal.charsets.Spanish = null; // (Z\nTerminal.charsets.Swedish = null; // (H or (7\nTerminal.charsets.Swiss = null; // (=\nTerminal.charsets.ISOLatin = null; // /A\n\n/**\n * Helpers\n */\n\nfunction on(el, type, handler, capture) {\n if (!Array.isArray(el)) {\n el = [el];\n }\n el.forEach(function (element) {\n element.addEventListener(type, handler, capture || false);\n });\n}\n\nfunction off(el, type, handler, capture) {\n el.removeEventListener(type, handler, capture || false);\n}\n\nfunction cancel(ev, force) {\n if (!this.cancelEvents && !force) {\n return;\n }\n ev.preventDefault();\n ev.stopPropagation();\n return false;\n}\n\nfunction inherits(child, parent) {\n function f() {\n this.constructor = child;\n }\n f.prototype = parent.prototype;\n child.prototype = new f;\n}\n\n// if bold is broken, we can't\n// use it in the terminal.\nfunction isBoldBroken(document) {\n var body = document.getElementsByTagName('body')[0];\n var el = document.createElement('span');\n el.innerHTML = 'hello world';\n body.appendChild(el);\n var w1 = el.scrollWidth;\n el.style.fontWeight = 'bold';\n var w2 = el.scrollWidth;\n body.removeChild(el);\n return w1 !== w2;\n}\n\nfunction indexOf(obj, el) {\n var i = obj.length;\n while (i--) {\n if (obj[i] === el) return i;\n }\n return -1;\n}\n\nfunction isThirdLevelShift(term, ev) {\n var thirdLevelKey =\n (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n if (ev.type == 'keypress') {\n return thirdLevelKey;\n }\n\n // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n}\n\nfunction matchColor(r1, g1, b1) {\n var hash = (r1 << 16) | (g1 << 8) | b1;\n\n if (matchColor._cache[hash] != null) {\n return matchColor._cache[hash];\n }\n\n var ldiff = Infinity\n , li = -1\n , i = 0\n , c\n , r2\n , g2\n , b2\n , diff;\n\n for (; i < Terminal.vcolors.length; i++) {\n c = Terminal.vcolors[i];\n r2 = c[0];\n g2 = c[1];\n b2 = c[2];\n\n diff = matchColor.distance(r1, g1, b1, r2, g2, b2);\n\n if (diff === 0) {\n li = i;\n break;\n }\n\n if (diff < ldiff) {\n ldiff = diff;\n li = i;\n }\n }\n\n return matchColor._cache[hash] = li;\n}\n\nmatchColor._cache = {};\n\n// http://stackoverflow.com/questions/1633828\nmatchColor.distance = function(r1, g1, b1, r2, g2, b2) {\n return Math.pow(30 * (r1 - r2), 2)\n + Math.pow(59 * (g1 - g2), 2)\n + Math.pow(11 * (b1 - b2), 2);\n};\n\nfunction each(obj, iter, con) {\n if (obj.forEach) return obj.forEach(iter, con);\n for (var i = 0; i < obj.length; i++) {\n iter.call(con, obj[i], i, obj);\n }\n}\n\nfunction keys(obj) {\n if (Object.keys) return Object.keys(obj);\n var key, keys = [];\n for (key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\n keys.push(key);\n }\n }\n return keys;\n}\n\nvar wcwidth = (function(opts) {\n // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n // combining characters\n var COMBINING = [\n [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],\n [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n [0xE0100, 0xE01EF]\n ];\n // binary search\n function bisearch(ucs) {\n var min = 0;\n var max = COMBINING.length - 1;\n var mid;\n if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])\n return false;\n while (max >= min) {\n mid = Math.floor((min + max) / 2);\n if (ucs > COMBINING[mid][1])\n min = mid + 1;\n else if (ucs < COMBINING[mid][0])\n max = mid - 1;\n else\n return true;\n }\n return false;\n }\n function wcwidth(ucs) {\n // test for 8-bit control characters\n if (ucs === 0)\n return opts.nul;\n if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n return opts.control;\n // binary search in table of non-spacing characters\n if (bisearch(ucs))\n return 0;\n // if we arrive here, ucs is not a combining or C0/C1 control character\n return 1 +\n (\n ucs >= 0x1100 &&\n (\n ucs <= 0x115f || // Hangul Jamo init. consonants\n ucs == 0x2329 ||\n ucs == 0x232a ||\n (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs != 0x303f) || // CJK..Yi\n (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables\n (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs\n (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms\n (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms\n (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms\n (ucs >= 0xffe0 && ucs <= 0xffe6) ||\n (ucs >= 0x20000 && ucs <= 0x2fffd) ||\n (ucs >= 0x30000 && ucs <= 0x3fffd)\n )\n );\n }\n return wcwidth;\n})({nul: 0, control: 0}); // configurable options\n\n/**\n * Expose\n */\n\nTerminal.EventEmitter = EventEmitter;\nTerminal.inherits = inherits;\n\n/**\n * Adds an event listener to the terminal.\n *\n * @param {string} event The name of the event. TODO: Document all event types\n * @param {function} callback The function to call when the event is triggered.\n */\nTerminal.on = on;\nTerminal.off = off;\nTerminal.cancel = cancel;\n\nmodule.exports = Terminal;\n","/**\n * Generic utilities module with methods that can be helpful at different parts of the code base.\n * @module xterm/utils/Generic\n * @license MIT\n */\n\n/**\n * Return if the given array contains the given element\n * @param {Array} array The array to search for the given element.\n * @param {Object} el The element to look for into the array\n */\nexport let contains = function(arr, el) {\n return arr.indexOf(el) >= 0;\n};\n","/**\n * Attributes and methods to help with identifying the current browser and platform.\n * @module xterm/utils/Browser\n * @license MIT\n */\n\nimport { contains } from './Generic.js';\n\nlet isNode = (typeof navigator == 'undefined') ? true : false;\nlet userAgent = (isNode) ? 'node' : navigator.userAgent;\nlet platform = (isNode) ? 'node' : navigator.platform;\n\nexport let isFirefox = !!~userAgent.indexOf('Firefox');\nexport let isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport let isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport let isIpad = platform === 'iPad';\nexport let isIphone = platform === 'iPhone';\nexport let isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\n","/**\n * Clipboard handler module: exports methods for handling all clipboard-related events in the\n * terminal.\n * @module xterm/handlers/Clipboard\n * @license MIT\n */\n\nimport { ITerminal } from '../Interfaces';\n\ninterface IWindow extends Window {\n clipboardData?: {\n getData(format: string): string;\n setData(format: string, data: string);\n };\n}\n\ndeclare var window: IWindow;\n\n/**\n * Prepares text copied from terminal selection, to be saved in the clipboard by:\n * 1. stripping all trailing white spaces\n * 2. converting all non-breaking spaces to regular spaces\n * @param {string} text The copied text that needs processing for storing in clipboard\n * @returns {string}\n */\nexport function prepareTextForClipboard(text: string): string {\n let space = String.fromCharCode(32),\n nonBreakingSpace = String.fromCharCode(160),\n allNonBreakingSpaces = new RegExp(nonBreakingSpace, 'g'),\n processedText = text.split('\\n').map(function (line) {\n // Strip all trailing white spaces and convert all non-breaking spaces\n // to regular spaces.\n let processedLine = line.replace(/\\s+$/g, '').replace(allNonBreakingSpaces, space);\n\n return processedLine;\n }).join('\\n');\n\n return processedText;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param {ClipboardEvent} ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, term: ITerminal) {\n // We cast `window` to `any` type, because TypeScript has not declared the `clipboardData`\n // property that we use below for Internet Explorer.\n let copiedText = window.getSelection().toString(),\n text = prepareTextForClipboard(copiedText);\n\n if (term.browser.isMSIE) {\n window.clipboardData.setData('Text', text);\n } else {\n ev.clipboardData.setData('text/plain', text);\n }\n\n ev.preventDefault(); // Prevent or the original text will be copied.\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nexport function pasteHandler(ev: ClipboardEvent, term: ITerminal) {\n ev.stopPropagation();\n\n let text: string;\n\n let dispatchPaste = function(text) {\n term.handler(text);\n term.textarea.value = '';\n return term.cancel(ev);\n };\n\n if (term.browser.isMSIE) {\n if (window.clipboardData) {\n text = window.clipboardData.getData('Text');\n dispatchPaste(text);\n }\n } else {\n if (ev.clipboardData) {\n text = ev.clipboardData.getData('text/plain');\n dispatchPaste(text);\n }\n }\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n *\n * **Logic**\n * If text is selected and right-click happens on selected text, then\n * do nothing to allow seamless copying.\n * If no text is selected or right-click is outside of the selection\n * area, then bring the terminal's input below the cursor, in order to\n * trigger the event on the textarea and allow-right click paste, without\n * caring about disappearing selection.\n * @param {MouseEvent} ev The original right click event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nexport function rightClickHandler(ev: MouseEvent, term: ITerminal) {\n let s = document.getSelection(),\n selectedText = prepareTextForClipboard(s.toString()),\n clickIsOnSelection = false,\n x = ev.clientX,\n y = ev.clientY;\n\n if (s.rangeCount) {\n let r = s.getRangeAt(0),\n cr = r.getClientRects();\n\n for (let i = 0; i < cr.length; i++) {\n let rect = cr[i];\n\n clickIsOnSelection = (\n (x > rect.left) && (x < rect.right) &&\n (y > rect.top) && (y < rect.bottom)\n );\n\n if (clickIsOnSelection) {\n break;\n }\n }\n // If we clicked on selection and selection is not a single space,\n // then mark the right click as copy-only. We check for the single\n // space selection, as this can happen when clicking on an  \n // and there is not much pointing in copying a single space.\n if (selectedText.match(/^\\s$/) || !selectedText.length) {\n clickIsOnSelection = false;\n }\n }\n\n // Bring textarea at the cursor position\n if (!clickIsOnSelection) {\n term.textarea.style.position = 'fixed';\n term.textarea.style.width = '20px';\n term.textarea.style.height = '20px';\n term.textarea.style.left = (x - 10) + 'px';\n term.textarea.style.top = (y - 10) + 'px';\n term.textarea.style.zIndex = '1000';\n term.textarea.focus();\n\n // Reset the terminal textarea's styling\n setTimeout(function () {\n term.textarea.style.position = null;\n term.textarea.style.width = null;\n term.textarea.style.height = null;\n term.textarea.style.left = null;\n term.textarea.style.top = null;\n term.textarea.style.zIndex = null;\n }, 4);\n }\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport {\n private currentRowHeight: number;\n private lastRecordedBufferLength: number;\n private lastRecordedViewportHeight: number;\n\n /**\n * Creates a new Viewport.\n * @param terminal The terminal this viewport belongs to.\n * @param viewportElement The DOM element acting as the viewport.\n * @param scrollArea The DOM element acting as the scroll area.\n * @param charMeasureElement A DOM element used to measure the character size of. the terminal.\n */\n constructor(\n private terminal: ITerminal,\n private viewportElement: HTMLElement,\n private scrollArea: HTMLElement,\n private charMeasureElement: HTMLElement\n ) {\n this.currentRowHeight = 0;\n this.lastRecordedBufferLength = 0;\n this.lastRecordedViewportHeight = 0;\n\n this.terminal.on('scroll', this.syncScrollArea.bind(this));\n this.terminal.on('resize', this.syncScrollArea.bind(this));\n this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));\n\n this.syncScrollArea();\n }\n\n /**\n * Refreshes row height, setting line-height, viewport height and scroll area height if\n * necessary.\n * @param charSize A character size measurement bounding rect object, if it doesn't exist it will\n * be created.\n */\n private refresh(charSize?: ClientRect): void {\n var size = charSize || this.charMeasureElement.getBoundingClientRect();\n if (size.height > 0) {\n var rowHeightChanged = size.height !== this.currentRowHeight;\n if (rowHeightChanged) {\n this.currentRowHeight = size.height;\n this.viewportElement.style.lineHeight = size.height + 'px';\n this.terminal.rowContainer.style.lineHeight = size.height + 'px';\n }\n var viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;\n if (rowHeightChanged || viewportHeightChanged) {\n this.lastRecordedViewportHeight = this.terminal.rows;\n this.viewportElement.style.height = size.height * this.terminal.rows + 'px';\n }\n this.scrollArea.style.height = (size.height * this.lastRecordedBufferLength) + 'px';\n }\n }\n\n /**\n * Updates dimensions and synchronizes the scroll area if necessary.\n */\n public syncScrollArea(): void {\n if (this.lastRecordedBufferLength !== this.terminal.lines.length) {\n // If buffer height changed\n this.lastRecordedBufferLength = this.terminal.lines.length;\n this.refresh();\n } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {\n // If viewport height changed\n this.refresh();\n } else {\n // If size has changed, refresh viewport\n var size = this.charMeasureElement.getBoundingClientRect();\n if (size.height !== this.currentRowHeight) {\n this.refresh(size);\n }\n }\n\n // Sync scrollTop\n var scrollTop = this.terminal.ydisp * this.currentRowHeight;\n if (this.viewportElement.scrollTop !== scrollTop) {\n this.viewportElement.scrollTop = scrollTop;\n }\n }\n\n /**\n * Handles scroll events on the viewport, calculating the new viewport and requesting the\n * terminal to scroll to it.\n * @param ev The scroll event.\n */\n private onScroll(ev: Event) {\n var newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);\n var diff = newRow - this.terminal.ydisp;\n this.terminal.scrollDisp(diff, true);\n }\n\n /**\n * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n * `Viewport`.\n * @param ev The mouse wheel event.\n */\n public onWheel(ev: WheelEvent) {\n if (ev.deltaY === 0) {\n // Do nothing if it's not a vertical scroll event\n return;\n }\n // Fallback to WheelEvent.DOM_DELTA_PIXEL\n var multiplier = 1;\n if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n multiplier = this.currentRowHeight;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n multiplier = this.currentRowHeight * this.terminal.rows;\n }\n this.viewportElement.scrollTop += ev.deltaY * multiplier;\n // Prevent the page from scrolling when the terminal scrolls\n ev.preventDefault();\n };\n}\n","/**\n * @license MIT\n */\n\nfunction EventEmitter() {\n this._events = this._events || {};\n}\n\nEventEmitter.prototype.addListener = function(type, listener) {\n this._events[type] = this._events[type] || [];\n this._events[type].push(listener);\n};\n\nEventEmitter.prototype.on = EventEmitter.prototype.addListener;\n\nEventEmitter.prototype.removeListener = function(type, listener) {\n if (!this._events[type]) return;\n\n var obj = this._events[type]\n , i = obj.length;\n\n while (i--) {\n if (obj[i] === listener || obj[i].listener === listener) {\n obj.splice(i, 1);\n return;\n }\n }\n};\n\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\n\nEventEmitter.prototype.removeAllListeners = function(type) {\n if (this._events[type]) delete this._events[type];\n};\n\nEventEmitter.prototype.once = function(type, listener) {\n var self = this;\n function on() {\n var args = Array.prototype.slice.call(arguments);\n this.removeListener(type, on);\n return listener.apply(this, args);\n }\n on.listener = listener;\n return this.on(type, on);\n};\n\nEventEmitter.prototype.emit = function(type) {\n if (!this._events[type]) return;\n\n var args = Array.prototype.slice.call(arguments, 1)\n , obj = this._events[type]\n , l = obj.length\n , i = 0;\n\n for (; i < l; i++) {\n obj[i].apply(this, args);\n }\n};\n\nEventEmitter.prototype.listeners = function(type) {\n return this._events[type] = this._events[type] || [];\n};\n\nexport { EventEmitter };\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\ninterface IPosition {\n start: number;\n end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n /**\n * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n * IME. This variable determines whether the compositionText should be displayed on the UI.\n */\n private isComposing: boolean;\n\n /**\n * The position within the input textarea's value of the current composition.\n */\n private compositionPosition: IPosition;;\n\n /**\n * Whether a composition is in the process of being sent, setting this to false will cancel any\n * in-progress composition.\n */\n private isSendingComposition: boolean;\n\n /**\n * Creates a new CompositionHelper.\n * @param textarea The textarea that xterm uses for input.\n * @param compositionView The element to display the in-progress composition in.\n * @param terminal The Terminal to forward the finished composition to.\n */\n constructor(\n private textarea: HTMLTextAreaElement,\n private compositionView: HTMLElement,\n private terminal: ITerminal\n ) {\n this.isComposing = false;\n this.isSendingComposition = false;\n this.compositionPosition = { start: null, end: null };\n }\n\n /**\n * Handles the compositionstart event, activating the composition view.\n */\n public compositionstart() {\n this.isComposing = true;\n this.compositionPosition.start = this.textarea.value.length;\n this.compositionView.textContent = '';\n this.compositionView.classList.add('active');\n }\n\n /**\n * Handles the compositionupdate event, updating the composition view.\n * @param {CompositionEvent} ev The event.\n */\n public compositionupdate(ev: CompositionEvent) {\n this.compositionView.textContent = ev.data;\n this.updateCompositionElements();\n var self = this;\n setTimeout(function() {\n self.compositionPosition.end = self.textarea.value.length;\n }, 0);\n }\n\n /**\n * Handles the compositionend event, hiding the composition view and sending the composition to\n * the handler.\n */\n public compositionend() {\n this.finalizeComposition(true);\n }\n\n /**\n * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n * @param ev The keydown event.\n * @return Whether the Terminal should continue processing the keydown event.\n */\n public keydown(ev: KeyboardEvent) {\n if (this.isComposing || this.isSendingComposition) {\n if (ev.keyCode === 229) {\n // Continue composing if the keyCode is the \"composition character\"\n return false;\n } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n // Continue composing if the keyCode is a modifier key\n return false;\n } else {\n // Finish composition immediately. This is mainly here for the case where enter is\n // pressed and the handler needs to be triggered before the command is executed.\n this.finalizeComposition(false);\n }\n }\n\n if (ev.keyCode === 229) {\n // If the \"composition character\" is used but gets to this point it means a non-composition\n // character (eg. numbers and punctuation) was pressed when the IME was active.\n this.handleAnyTextareaChanges();\n return false;\n }\n\n return true;\n }\n\n /**\n * Finalizes the composition, resuming regular input actions. This is called when a composition\n * is ending.\n * @param waitForPropogation Whether to wait for events to propogate before sending\n * the input. This should be false if a non-composition keystroke is entered before the\n * compositionend event is triggered, such as enter, so that the composition is send before\n * the command is executed.\n */\n private finalizeComposition(waitForPropogation: boolean) {\n this.compositionView.classList.remove('active');\n this.isComposing = false;\n this.clearTextareaPosition();\n\n if (!waitForPropogation) {\n // Cancel any delayed composition send requests and send the input immediately.\n this.isSendingComposition = false;\n var input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);\n this.terminal.handler(input);\n } else {\n // Make a deep copy of the composition position here as a new compositionstart event may\n // fire before the setTimeout executes.\n var currentCompositionPosition = {\n start: this.compositionPosition.start,\n end: this.compositionPosition.end,\n }\n\n // Since composition* events happen before the changes take place in the textarea on most\n // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n // complete. This ensures the correct character is retrieved, this solution was used\n // because:\n // - The compositionend event's data property is unreliable, at least on Chromium\n // - The last compositionupdate event's data property does not always accurately describe\n // the character, a counter example being Korean where an ending consonsant can move to\n // the following character if the following input is a vowel.\n var self = this;\n this.isSendingComposition = true;\n setTimeout(function () {\n // Ensure that the input has not already been sent\n if (self.isSendingComposition) {\n self.isSendingComposition = false;\n var input;\n if (self.isComposing) {\n // Use the end position to get the string if a new composition has started.\n input = self.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n } else {\n // Don't use the end position here in order to pick up any characters after the\n // composition has finished, for example when typing a non-composition character\n // (eg. 2) after a composition character.\n input = self.textarea.value.substring(currentCompositionPosition.start);\n }\n self.terminal.handler(input);\n }\n }, 0);\n }\n }\n\n /**\n * Apply any changes made to the textarea after the current event chain is allowed to complete.\n * This should be called when not currently composing but a keydown event with the \"composition\n * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n * IME is active.\n */\n private handleAnyTextareaChanges() {\n var oldValue = this.textarea.value;\n var self = this;\n setTimeout(function() {\n // Ignore if a composition has started since the timeout\n if (!self.isComposing) {\n var newValue = self.textarea.value;\n var diff = newValue.replace(oldValue, '');\n if (diff.length > 0) {\n self.terminal.handler(diff);\n }\n }\n }, 0);\n }\n\n /**\n * Positions the composition view on top of the cursor and the textarea just below it (so the\n * IME helper dialog is positioned correctly).\n * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n * necessary as the IME events across browsers are not consistently triggered.\n */\n public updateCompositionElements(dontRecurse?: boolean) {\n if (!this.isComposing) {\n return;\n }\n var cursor = this.terminal.element.querySelector('.terminal-cursor');\n if (cursor) {\n // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within\n // the .xterm element.\n var xtermRows = this.terminal.element.querySelector('.xterm-rows');\n var cursorTop = xtermRows.offsetTop + cursor.offsetTop;\n\n this.compositionView.style.left = cursor.offsetLeft + 'px';\n this.compositionView.style.top = cursorTop + 'px';\n this.compositionView.style.height = cursor.offsetHeight + 'px';\n this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';\n // Sync the textarea to the exact position of the composition view so the IME knows where the\n // text is.\n var compositionViewBounds = this.compositionView.getBoundingClientRect();\n this.textarea.style.left = cursor.offsetLeft + 'px';\n this.textarea.style.top = cursorTop + 'px';\n this.textarea.style.width = compositionViewBounds.width + 'px';\n this.textarea.style.height = compositionViewBounds.height + 'px';\n this.textarea.style.lineHeight = compositionViewBounds.height + 'px';\n }\n if (!dontRecurse) {\n setTimeout(this.updateCompositionElements.bind(this, true), 0);\n }\n };\n\n /**\n * Clears the textarea's position so that the cursor does not blink on IE.\n * @private\n */\n private clearTextareaPosition() {\n this.textarea.style.left = '';\n this.textarea.style.top = '';\n };\n}\n","(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o> 16) & 0xff,\n (color >> 8) & 0xff,\n color & 0xff\n ]);\n }\n\n return out;\n})();\n\n/**\n * Options\n */\n\nTerminal.defaults = {\n colors: Terminal.colors,\n theme: 'default',\n convertEol: false,\n termName: 'xterm',\n geometry: [80, 24],\n cursorBlink: false,\n cursorStyle: 'block',\n visualBell: false,\n popOnBell: false,\n scrollback: 1000,\n screenKeys: false,\n debug: false,\n cancelEvents: false,\n disableStdin: false,\n useFlowControl: false,\n tabStopWidth: 8\n // programFeatures: false,\n // focusKeys: false,\n};\n\nTerminal.options = {};\n\nTerminal.focus = null;\n\neach(keys(Terminal.defaults), function(key) {\n Terminal[key] = Terminal.defaults[key];\n Terminal.options[key] = Terminal.defaults[key];\n});\n\n/**\n * Focus the terminal. Delegates focus handling to the terminal's DOM element.\n */\nTerminal.prototype.focus = function() {\n return this.textarea.focus();\n};\n\n/**\n * Retrieves an option's value from the terminal.\n * @param {string} key The option key.\n */\nTerminal.prototype.getOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n\n if (typeof this.options[key] !== 'undefined') {\n return this.options[key];\n }\n\n return this[key];\n};\n\n/**\n * Sets an option on the terminal.\n * @param {string} key The option key.\n * @param {string} value The option value.\n */\nTerminal.prototype.setOption = function(key, value) {\n if (!(key in Terminal.defaults)) {\n throw new Error('No option with key \"' + key + '\"');\n }\n switch (key) {\n case 'scrollback':\n if (value < this.rows) {\n let msg = 'Setting the scrollback value less than the number of rows ';\n\n msg += `(${this.rows}) is not allowed.`;\n\n console.warn(msg);\n return false;\n }\n\n if (this.options[key] !== value) {\n if (this.lines.length > value) {\n const amountToTrim = this.lines.length - value;\n const needsRefresh = (this.ydisp - amountToTrim < 0);\n this.lines.trimStart(amountToTrim);\n this.ybase = Math.max(this.ybase - amountToTrim, 0);\n this.ydisp = Math.max(this.ydisp - amountToTrim, 0);\n if (needsRefresh) {\n this.refresh(0, this.rows - 1);\n }\n }\n this.lines.maxLength = value;\n this.viewport.syncScrollArea();\n }\n break;\n }\n this[key] = value;\n this.options[key] = value;\n switch (key) {\n case 'cursorBlink': this.setCursorBlinking(value); break;\n case 'cursorStyle':\n // Style 'block' applies with no class\n this.element.classList.toggle(`xterm-cursor-style-underline`, value === 'underline');\n this.element.classList.toggle(`xterm-cursor-style-bar`, value === 'bar');\n break;\n case 'tabStopWidth': this.setupStops(); break;\n }\n};\n\nTerminal.prototype.restartCursorBlinking = function () {\n this.setCursorBlinking(this.options.cursorBlink);\n};\n\nTerminal.prototype.setCursorBlinking = function (enabled) {\n this.element.classList.toggle('xterm-cursor-blink', enabled);\n this.clearCursorBlinkingInterval();\n if (enabled) {\n var self = this;\n this.cursorBlinkInterval = setInterval(function () {\n self.element.classList.toggle('xterm-cursor-blink-on');\n }, CURSOR_BLINK_INTERVAL);\n }\n};\n\nTerminal.prototype.clearCursorBlinkingInterval = function () {\n this.element.classList.remove('xterm-cursor-blink-on');\n if (this.cursorBlinkInterval) {\n clearInterval(this.cursorBlinkInterval);\n this.cursorBlinkInterval = null;\n }\n};\n\n/**\n * Binds the desired focus behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindFocus = function (term) {\n on(term.textarea, 'focus', function (ev) {\n if (term.sendFocus) {\n term.send(C0.ESC + '[I');\n }\n term.element.classList.add('focus');\n term.showCursor();\n term.restartCursorBlinking.apply(term);\n Terminal.focus = term;\n term.emit('focus', {terminal: term});\n });\n};\n\n/**\n * Blur the terminal. Delegates blur handling to the terminal's DOM element.\n */\nTerminal.prototype.blur = function() {\n return this.textarea.blur();\n};\n\n/**\n * Binds the desired blur behavior on a given terminal object.\n *\n * @static\n */\nTerminal.bindBlur = function (term) {\n on(term.textarea, 'blur', function (ev) {\n term.refresh(term.y, term.y);\n if (term.sendFocus) {\n term.send(C0.ESC + '[O');\n }\n term.element.classList.remove('focus');\n term.clearCursorBlinkingInterval.apply(term);\n Terminal.focus = null;\n term.emit('blur', {terminal: term});\n });\n};\n\n/**\n * Initialize default behavior\n */\nTerminal.prototype.initGlobal = function() {\n var term = this;\n\n Terminal.bindKeys(this);\n Terminal.bindFocus(this);\n Terminal.bindBlur(this);\n\n // Bind clipboard functionality\n on(this.element, 'copy', event => {\n // If mouse events are active it means the selection manager is disabled and\n // copy should be handled by the host program.\n if (this.mouseEvents) {\n return;\n }\n copyHandler(event, term, this.selectionManager);\n });\n const pasteHandlerWrapper = event => pasteHandler(event, term);\n on(this.textarea, 'paste', pasteHandlerWrapper);\n on(this.element, 'paste', pasteHandlerWrapper);\n\n // Handle right click context menus\n if (term.browser.isFirefox) {\n // Firefox doesn't appear to fire the contextmenu event on right click\n on(this.element, 'mousedown', event => {\n if (event.button == 2) {\n rightClickHandler(event, this.textarea, this.selectionManager);\n }\n });\n } else {\n on(this.element, 'contextmenu', event => {\n rightClickHandler(event, this.textarea, this.selectionManager);\n });\n }\n\n // Move the textarea under the cursor when middle clicking on Linux to ensure\n // middle click to paste selection works. This only appears to work in Chrome\n // at the time is writing.\n if (term.browser.isLinux) {\n // Use auxclick event over mousedown the latter doesn't seem to work. Note\n // that the regular click event doesn't fire for the middle mouse button.\n on(this.element, 'auxclick', event => {\n if (event.button === 1) {\n moveTextAreaUnderMouseCursor(event, this.textarea, this.selectionManager);\n }\n });\n }\n};\n\n/**\n * Apply key handling to the terminal\n */\nTerminal.bindKeys = function(term) {\n on(term.element, 'keydown', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyDown(ev);\n }, true);\n\n on(term.element, 'keypress', function(ev) {\n if (document.activeElement != this) {\n return;\n }\n term.keyPress(ev);\n }, true);\n\n on(term.element, 'keyup', function(ev) {\n if (!wasMondifierKeyOnlyEvent(ev)) {\n term.focus(term);\n }\n }, true);\n\n on(term.textarea, 'keydown', function(ev) {\n term.keyDown(ev);\n }, true);\n\n on(term.textarea, 'keypress', function(ev) {\n term.keyPress(ev);\n // Truncate the textarea's value, since it is not needed\n this.value = '';\n }, true);\n\n on(term.textarea, 'compositionstart', term.compositionHelper.compositionstart.bind(term.compositionHelper));\n on(term.textarea, 'compositionupdate', term.compositionHelper.compositionupdate.bind(term.compositionHelper));\n on(term.textarea, 'compositionend', term.compositionHelper.compositionend.bind(term.compositionHelper));\n term.on('refresh', term.compositionHelper.updateCompositionElements.bind(term.compositionHelper));\n term.on('refresh', function (data) {\n term.queueLinkification(data.start, data.end)\n });\n};\n\n\n/**\n * Insert the given row to the terminal or produce a new one\n * if no row argument is passed. Return the inserted row.\n * @param {HTMLElement} row (optional) The row to append to the terminal.\n */\nTerminal.prototype.insertRow = function (row) {\n if (typeof row != 'object') {\n row = document.createElement('div');\n }\n\n this.rowContainer.appendChild(row);\n this.children.push(row);\n\n return row;\n};\n\n/**\n * Opens the terminal within an element.\n *\n * @param {HTMLElement} parent The element to create the terminal within.\n * @param {boolean} focus Focus the terminal, after it gets instantiated in the DOM\n */\nTerminal.prototype.open = function(parent, focus) {\n var self=this, i=0, div;\n\n this.parent = parent || this.parent;\n\n if (!this.parent) {\n throw new Error('Terminal requires a parent element.');\n }\n\n // Grab global elements\n this.context = this.parent.ownerDocument.defaultView;\n this.document = this.parent.ownerDocument;\n this.body = this.document.getElementsByTagName('body')[0];\n\n //Create main element container\n this.element = this.document.createElement('div');\n this.element.classList.add('terminal');\n this.element.classList.add('xterm');\n this.element.classList.add('xterm-theme-' + this.theme);\n this.setCursorBlinking(this.options.cursorBlink);\n\n this.element.setAttribute('tabindex', 0);\n\n this.viewportElement = document.createElement('div');\n this.viewportElement.classList.add('xterm-viewport');\n this.element.appendChild(this.viewportElement);\n this.viewportScrollArea = document.createElement('div');\n this.viewportScrollArea.classList.add('xterm-scroll-area');\n this.viewportElement.appendChild(this.viewportScrollArea);\n\n // Create the selection container.\n this.selectionContainer = document.createElement('div');\n this.selectionContainer.classList.add('xterm-selection');\n this.element.appendChild(this.selectionContainer);\n\n // Create the container that will hold the lines of the terminal and then\n // produce the lines the lines.\n this.rowContainer = document.createElement('div');\n this.rowContainer.classList.add('xterm-rows');\n this.element.appendChild(this.rowContainer);\n this.children = [];\n this.linkifier.attachToDom(document, this.children);\n\n // Create the container that will hold helpers like the textarea for\n // capturing DOM Events. Then produce the helpers.\n this.helperContainer = document.createElement('div');\n this.helperContainer.classList.add('xterm-helpers');\n // TODO: This should probably be inserted once it's filled to prevent an additional layout\n this.element.appendChild(this.helperContainer);\n this.textarea = document.createElement('textarea');\n this.textarea.classList.add('xterm-helper-textarea');\n this.textarea.setAttribute('autocorrect', 'off');\n this.textarea.setAttribute('autocapitalize', 'off');\n this.textarea.setAttribute('spellcheck', 'false');\n this.textarea.tabIndex = 0;\n this.textarea.addEventListener('focus', function() {\n self.emit('focus', {terminal: self});\n });\n this.textarea.addEventListener('blur', function() {\n self.emit('blur', {terminal: self});\n });\n this.helperContainer.appendChild(this.textarea);\n\n this.compositionView = document.createElement('div');\n this.compositionView.classList.add('composition-view');\n this.compositionHelper = new CompositionHelper(this.textarea, this.compositionView, this);\n this.helperContainer.appendChild(this.compositionView);\n\n this.charSizeStyleElement = document.createElement('style');\n this.helperContainer.appendChild(this.charSizeStyleElement);\n\n for (; i < this.rows; i++) {\n this.insertRow();\n }\n this.parent.appendChild(this.element);\n\n this.charMeasure = new CharMeasure(document, this.helperContainer);\n this.charMeasure.on('charsizechanged', function () {\n self.updateCharSizeStyles();\n });\n this.charMeasure.measure();\n\n this.viewport = new Viewport(this, this.viewportElement, this.viewportScrollArea, this.charMeasure);\n this.renderer = new Renderer(this);\n this.selectionManager = new SelectionManager(this, this.lines, this.rowContainer, this.charMeasure);\n this.selectionManager.on('refresh', data => {\n this.renderer.refreshSelection(data.start, data.end);\n });\n this.selectionManager.on('newselection', text => {\n // If there's a new selection, put it into the textarea, focus and select it\n // in order to register it as a selection on the OS. This event is fired\n // only on Linux to enable middle click to paste selection.\n this.textarea.value = text;\n this.textarea.focus();\n this.textarea.select();\n });\n this.on('scroll', () => this.selectionManager.refresh());\n this.viewportElement.addEventListener('scroll', () => this.selectionManager.refresh());\n\n // Setup loop that draws to screen\n this.refresh(0, this.rows - 1);\n\n // Initialize global actions that\n // need to be taken on the document.\n this.initGlobal();\n\n /**\n * Automatic focus functionality.\n * TODO: Default to `false` starting with xterm.js 3.0.\n */\n if (typeof focus == 'undefined') {\n let message = 'You did not pass the `focus` argument in `Terminal.prototype.open()`.\\n';\n\n message += 'The `focus` argument now defaults to `true` but starting with xterm.js 3.0 ';\n message += 'it will default to `false`.';\n\n console.warn(message);\n focus = true;\n }\n\n if (focus) {\n this.focus();\n }\n\n on(this.element, 'click', function() {\n var selection = document.getSelection(),\n collapsed = selection.isCollapsed,\n isRange = typeof collapsed == 'boolean' ? !collapsed : selection.type == 'Range';\n if (!isRange) {\n self.focus();\n }\n });\n\n // Listen for mouse events and translate\n // them into terminal mouse protocols.\n this.bindMouse();\n\n /**\n * This event is emitted when terminal has completed opening.\n *\n * @event open\n */\n this.emit('open');\n};\n\n\n/**\n * Attempts to load an add-on using CommonJS or RequireJS (whichever is available).\n * @param {string} addon The name of the addon to load\n * @static\n */\nTerminal.loadAddon = function(addon, callback) {\n if (typeof exports === 'object' && typeof module === 'object') {\n // CommonJS\n return require('./addons/' + addon + '/' + addon);\n } else if (typeof define == 'function') {\n // RequireJS\n return require(['./addons/' + addon + '/' + addon], callback);\n } else {\n console.error('Cannot load a module without a CommonJS or RequireJS environment.');\n return false;\n }\n};\n\n/**\n * Updates the helper CSS class with any changes necessary after the terminal's\n * character width has been changed.\n */\nTerminal.prototype.updateCharSizeStyles = function() {\n this.charSizeStyleElement.textContent =\n `.xterm-wide-char{width:${this.charMeasure.width * 2}px;}` +\n `.xterm-normal-char{width:${this.charMeasure.width}px;}` +\n `.xterm-rows > div{height:${this.charMeasure.height}px;}`;\n}\n\n/**\n * XTerm mouse events\n * http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#Mouse%20Tracking\n * To better understand these\n * the xterm code is very helpful:\n * Relevant files:\n * button.c, charproc.c, misc.c\n * Relevant functions in xterm/button.c:\n * BtnCode, EmitButtonCode, EditorButton, SendMousePosition\n */\nTerminal.prototype.bindMouse = function() {\n var el = this.element, self = this, pressed = 32;\n\n // mouseup, mousedown, wheel\n // left click: ^[[M 3<^[[M#3<\n // wheel up: ^[[M`3>\n function sendButton(ev) {\n var button\n , pos;\n\n // get the xterm-style button\n button = getButton(ev);\n\n // get mouse coordinates\n pos = getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n if (!pos) return;\n\n sendEvent(button, pos);\n\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n pressed = button;\n break;\n case 'mouseup':\n // keep it at the left\n // button, just in case.\n pressed = 32;\n break;\n case 'wheel':\n // nothing. don't\n // interfere with\n // `pressed`.\n break;\n }\n }\n\n // motion example of a left click:\n // ^[[M 3<^[[M@4<^[[M@5<^[[M@6<^[[M@7<^[[M#7<\n function sendMove(ev) {\n var button = pressed\n , pos;\n\n pos = getRawByteCoords(ev, self.rowContainer, self.charMeasure, self.cols, self.rows);\n if (!pos) return;\n\n // buttons marked as motions\n // are incremented by 32\n button += 32;\n\n sendEvent(button, pos);\n }\n\n // encode button and\n // position to characters\n function encode(data, ch) {\n if (!self.utfMouse) {\n if (ch === 255) return data.push(0);\n if (ch > 127) ch = 127;\n data.push(ch);\n } else {\n if (ch === 2047) return data.push(0);\n if (ch < 127) {\n data.push(ch);\n } else {\n if (ch > 2047) ch = 2047;\n data.push(0xC0 | (ch >> 6));\n data.push(0x80 | (ch & 0x3F));\n }\n }\n }\n\n // send a mouse event:\n // regular/utf8: ^[[M Cb Cx Cy\n // urxvt: ^[[ Cb ; Cx ; Cy M\n // sgr: ^[[ Cb ; Cx ; Cy M/m\n // vt300: ^[[ 24(1/3/5)~ [ Cx , Cy ] \\r\n // locator: CSI P e ; P b ; P r ; P c ; P p & w\n function sendEvent(button, pos) {\n // self.emit('mouse', {\n // x: pos.x - 32,\n // y: pos.x - 32,\n // button: button\n // });\n\n if (self.vt300Mouse) {\n // NOTE: Unstable.\n // http://www.vt100.net/docs/vt3xx-gp/chapter15.html\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n var data = C0.ESC + '[24';\n if (button === 0) data += '1';\n else if (button === 1) data += '3';\n else if (button === 2) data += '5';\n else if (button === 3) return;\n else data += '0';\n data += '~[' + pos.x + ',' + pos.y + ']\\r';\n self.send(data);\n return;\n }\n\n if (self.decLocator) {\n // NOTE: Unstable.\n button &= 3;\n pos.x -= 32;\n pos.y -= 32;\n if (button === 0) button = 2;\n else if (button === 1) button = 4;\n else if (button === 2) button = 6;\n else if (button === 3) button = 3;\n self.send(C0.ESC + '['\n + button\n + ';'\n + (button === 3 ? 4 : 0)\n + ';'\n + pos.y\n + ';'\n + pos.x\n + ';'\n + (pos.page || 0)\n + '&w');\n return;\n }\n\n if (self.urxvtMouse) {\n pos.x -= 32;\n pos.y -= 32;\n pos.x++;\n pos.y++;\n self.send(C0.ESC + '[' + button + ';' + pos.x + ';' + pos.y + 'M');\n return;\n }\n\n if (self.sgrMouse) {\n pos.x -= 32;\n pos.y -= 32;\n self.send(C0.ESC + '[<'\n + (((button & 3) === 3 ? button & ~3 : button) - 32)\n + ';'\n + pos.x\n + ';'\n + pos.y\n + ((button & 3) === 3 ? 'm' : 'M'));\n return;\n }\n\n var data = [];\n\n encode(data, button);\n encode(data, pos.x);\n encode(data, pos.y);\n\n self.send(C0.ESC + '[M' + String.fromCharCode.apply(String, data));\n }\n\n function getButton(ev) {\n var button\n , shift\n , meta\n , ctrl\n , mod;\n\n // two low bits:\n // 0 = left\n // 1 = middle\n // 2 = right\n // 3 = release\n // wheel up/down:\n // 1, and 2 - with 64 added\n switch (ev.overrideType || ev.type) {\n case 'mousedown':\n button = ev.button != null\n ? +ev.button\n : ev.which != null\n ? ev.which - 1\n : null;\n\n if (self.browser.isMSIE) {\n button = button === 1 ? 0 : button === 4 ? 1 : button;\n }\n break;\n case 'mouseup':\n button = 3;\n break;\n case 'DOMMouseScroll':\n button = ev.detail < 0\n ? 64\n : 65;\n break;\n case 'wheel':\n button = ev.wheelDeltaY > 0\n ? 64\n : 65;\n break;\n }\n\n // next three bits are the modifiers:\n // 4 = shift, 8 = meta, 16 = control\n shift = ev.shiftKey ? 4 : 0;\n meta = ev.metaKey ? 8 : 0;\n ctrl = ev.ctrlKey ? 16 : 0;\n mod = shift | meta | ctrl;\n\n // no mods\n if (self.vt200Mouse) {\n // ctrl only\n mod &= ctrl;\n } else if (!self.normalMouse) {\n mod = 0;\n }\n\n // increment to SP\n button = (32 + (mod << 2)) + button;\n\n return button;\n }\n\n on(el, 'mousedown', function(ev) {\n if (!self.mouseEvents) return;\n\n // send the button\n sendButton(ev);\n\n // ensure focus\n self.focus();\n\n // fix for odd bug\n //if (self.vt200Mouse && !self.normalMouse) {\n if (self.vt200Mouse) {\n ev.overrideType = 'mouseup';\n sendButton(ev);\n return self.cancel(ev);\n }\n\n // bind events\n if (self.normalMouse) on(self.document, 'mousemove', sendMove);\n\n // x10 compatibility mode can't send button releases\n if (!self.x10Mouse) {\n on(self.document, 'mouseup', function up(ev) {\n sendButton(ev);\n if (self.normalMouse) off(self.document, 'mousemove', sendMove);\n off(self.document, 'mouseup', up);\n return self.cancel(ev);\n });\n }\n\n return self.cancel(ev);\n });\n\n //if (self.normalMouse) {\n // on(self.document, 'mousemove', sendMove);\n //}\n\n on(el, 'wheel', function(ev) {\n if (!self.mouseEvents) return;\n if (self.x10Mouse\n || self.vt300Mouse\n || self.decLocator) return;\n sendButton(ev);\n return self.cancel(ev);\n });\n\n // allow wheel scrolling in\n // the shell for example\n on(el, 'wheel', function(ev) {\n if (self.mouseEvents) return;\n self.viewport.onWheel(ev);\n return self.cancel(ev);\n });\n\n on(el, 'touchstart', function(ev) {\n if (self.mouseEvents) return;\n self.viewport.onTouchStart(ev);\n return self.cancel(ev);\n });\n\n on(el, 'touchmove', function(ev) {\n if (self.mouseEvents) return;\n self.viewport.onTouchMove(ev);\n return self.cancel(ev);\n });\n};\n\n/**\n * Destroys the terminal.\n */\nTerminal.prototype.destroy = function() {\n this.readable = false;\n this.writable = false;\n this._events = {};\n this.handler = function() {};\n this.write = function() {};\n if (this.element && this.element.parentNode) {\n this.element.parentNode.removeChild(this.element);\n }\n //this.emit('close');\n};\n\n/**\n * Tells the renderer to refresh terminal content between two rows (inclusive) at the next\n * opportunity.\n * @param {number} start The row to start from (between 0 and this.rows - 1).\n * @param {number} end The row to end at (between start and this.rows - 1).\n */\nTerminal.prototype.refresh = function(start, end) {\n if (this.renderer) {\n this.renderer.queueRefresh(start, end);\n }\n};\n\n/**\n * Queues linkification for the specified rows.\n * @param {number} start The row to start from (between 0 and this.rows - 1).\n * @param {number} end The row to end at (between start and this.rows - 1).\n */\nTerminal.prototype.queueLinkification = function(start, end) {\n if (this.linkifier) {\n for (let i = start; i <= end; i++) {\n this.linkifier.linkifyRow(i);\n }\n }\n};\n\n/**\n * Display the cursor element\n */\nTerminal.prototype.showCursor = function() {\n if (!this.cursorState) {\n this.cursorState = 1;\n this.refresh(this.y, this.y);\n }\n};\n\n/**\n * Scroll the terminal down 1 row, creating a blank line.\n * @param {boolean} isWrapped Whether the new line is wrapped from the previous\n * line.\n */\nTerminal.prototype.scroll = function(isWrapped) {\n var row;\n\n // Make room for the new row in lines\n if (this.lines.length === this.lines.maxLength) {\n this.lines.trimStart(1);\n this.ybase--;\n if (this.ydisp !== 0) {\n this.ydisp--;\n }\n }\n\n this.ybase++;\n\n // TODO: Why is this done twice?\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n\n // last line\n row = this.ybase + this.rows - 1;\n\n // subtract the bottom scroll region\n row -= this.rows - 1 - this.scrollBottom;\n\n if (row === this.lines.length) {\n // Optimization: pushing is faster than splicing when they amount to the same behavior\n this.lines.push(this.blankLine(undefined, isWrapped));\n } else {\n // add our new line\n this.lines.splice(row, 0, this.blankLine(undefined, isWrapped));\n }\n\n if (this.scrollTop !== 0) {\n if (this.ybase !== 0) {\n this.ybase--;\n if (!this.userScrolling) {\n this.ydisp = this.ybase;\n }\n }\n this.lines.splice(this.ybase + this.scrollTop, 1);\n }\n\n // this.maxRange();\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n\n /**\n * This event is emitted whenever the terminal is scrolled.\n * The one parameter passed is the new y display position.\n *\n * @event scroll\n */\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Scroll the display of the terminal\n * @param {number} disp The number of lines to scroll down (negatives scroll up).\n * @param {boolean} suppressScrollEvent Don't emit the scroll event as scrollDisp. This is used\n * to avoid unwanted events being handled by the veiwport when the event was triggered from the\n * viewport originally.\n */\nTerminal.prototype.scrollDisp = function(disp, suppressScrollEvent) {\n if (disp < 0) {\n if (this.ydisp === 0) {\n return;\n }\n this.userScrolling = true;\n } else if (disp + this.ydisp >= this.ybase) {\n this.userScrolling = false;\n }\n\n this.ydisp += disp;\n\n if (this.ydisp > this.ybase) {\n this.ydisp = this.ybase;\n } else if (this.ydisp < 0) {\n this.ydisp = 0;\n }\n\n if (!suppressScrollEvent) {\n this.emit('scroll', this.ydisp);\n }\n\n this.refresh(0, this.rows - 1);\n};\n\n/**\n * Scroll the display of the terminal by a number of pages.\n * @param {number} pageCount The number of pages to scroll (negative scrolls up).\n */\nTerminal.prototype.scrollPages = function(pageCount) {\n this.scrollDisp(pageCount * (this.rows - 1));\n};\n\n/**\n * Scrolls the display of the terminal to the top.\n */\nTerminal.prototype.scrollToTop = function() {\n this.scrollDisp(-this.ydisp);\n};\n\n/**\n * Scrolls the display of the terminal to the bottom.\n */\nTerminal.prototype.scrollToBottom = function() {\n this.scrollDisp(this.ybase - this.ydisp);\n};\n\n/**\n * Writes text to the terminal.\n * @param {string} data The text to write to the terminal.\n */\nTerminal.prototype.write = function(data) {\n this.writeBuffer.push(data);\n\n // Send XOFF to pause the pty process if the write buffer becomes too large so\n // xterm.js can catch up before more data is sent. This is necessary in order\n // to keep signals such as ^C responsive.\n if (this.options.useFlowControl && !this.xoffSentToCatchUp && this.writeBuffer.length >= WRITE_BUFFER_PAUSE_THRESHOLD) {\n // XOFF - stop pty pipe\n // XON will be triggered by emulator before processing data chunk\n this.send(C0.DC3);\n this.xoffSentToCatchUp = true;\n }\n\n if (!this.writeInProgress && this.writeBuffer.length > 0) {\n // Kick off a write which will write all data in sequence recursively\n this.writeInProgress = true;\n // Kick off an async innerWrite so more writes can come in while processing data\n var self = this;\n setTimeout(function () {\n self.innerWrite();\n });\n }\n};\n\nTerminal.prototype.innerWrite = function() {\n var writeBatch = this.writeBuffer.splice(0, WRITE_BATCH_SIZE);\n while (writeBatch.length > 0) {\n var data = writeBatch.shift();\n var l = data.length, i = 0, j, cs, ch, code, low, ch_width, row;\n\n // If XOFF was sent in order to catch up with the pty process, resume it if\n // the writeBuffer is empty to allow more data to come in.\n if (this.xoffSentToCatchUp && writeBatch.length === 0 && this.writeBuffer.length === 0) {\n this.send(C0.DC1);\n this.xoffSentToCatchUp = false;\n }\n\n this.refreshStart = this.y;\n this.refreshEnd = this.y;\n\n // HACK: Set the parser state based on it's state at the time of return.\n // This works around the bug #662 which saw the parser state reset in the\n // middle of parsing escape sequence in two chunks. For some reason the\n // state of the parser resets to 0 after exiting parser.parse. This change\n // just sets the state back based on the correct return statement.\n var state = this.parser.parse(data);\n this.parser.setState(state);\n\n this.updateRange(this.y);\n this.refresh(this.refreshStart, this.refreshEnd);\n }\n if (this.writeBuffer.length > 0) {\n // Allow renderer to catch up before processing the next batch\n var self = this;\n setTimeout(function () {\n self.innerWrite();\n }, 0);\n } else {\n this.writeInProgress = false;\n }\n};\n\n/**\n * Writes text to the terminal, followed by a break line character (\\n).\n * @param {string} data The text to write to the terminal.\n */\nTerminal.prototype.writeln = function(data) {\n this.write(data + '\\r\\n');\n};\n\n/**\n * DEPRECATED: only for backward compatibility. Please use attachCustomKeyEventHandler() instead.\n * @param {function} customKeydownHandler The custom KeyboardEvent handler to attach. This is a\n * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n * the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeydownHandler = function(customKeydownHandler) {\n let message = 'attachCustomKeydownHandler() is DEPRECATED and will be removed soon. Please use attachCustomKeyEventHandler() instead.';\n console.warn(message);\n this.attachCustomKeyEventHandler(customKeydownHandler);\n};\n\n/**\n * Attaches a custom key event handler which is run before keys are processed, giving consumers of\n * xterm.js ultimate control as to what keys should be processed by the terminal and what keys\n * should not.\n * @param {function} customKeyEventHandler The custom KeyboardEvent handler to attach. This is a\n * function that takes a KeyboardEvent, allowing consumers to stop propogation and/or prevent\n * the default action. The function returns whether the event should be processed by xterm.js.\n */\nTerminal.prototype.attachCustomKeyEventHandler = function(customKeyEventHandler) {\n this.customKeyEventHandler = customKeyEventHandler;\n};\n\n/**\n * Attaches a http(s) link handler, forcing web links to behave differently to\n * regular tags. This will trigger a refresh as links potentially need to be\n * reconstructed. Calling this with null will remove the handler.\n * @param {LinkMatcherHandler} handler The handler callback function.\n */\nTerminal.prototype.setHypertextLinkHandler = function(handler) {\n if (!this.linkifier) {\n throw new Error('Cannot attach a hypertext link handler before Terminal.open is called');\n }\n this.linkifier.setHypertextLinkHandler(handler);\n // Refresh to force links to refresh\n this.refresh(0, this.rows - 1);\n};\n\n/**\n * Attaches a validation callback for hypertext links. This is useful to use\n * validation logic or to do something with the link's element and url.\n * @param {LinkMatcherValidationCallback} callback The callback to use, this can\n * be cleared with null.\n */\nTerminal.prototype.setHypertextValidationCallback = function(callback) {\n if (!this.linkifier) {\n throw new Error('Cannot attach a hypertext validation callback before Terminal.open is called');\n }\n this.linkifier.setHypertextValidationCallback(callback);\n // Refresh to force links to refresh\n this.refresh(0, this.rows - 1);\n};\n\n/**\n * Registers a link matcher, allowing custom link patterns to be matched and\n * handled.\n * @param {RegExp} regex The regular expression to search for, specifically\n * this searches the textContent of the rows. You will want to use \\s to match\n * a space ' ' character for example.\n * @param {LinkMatcherHandler} handler The callback when the link is called.\n * @param {LinkMatcherOptions} [options] Options for the link matcher.\n * @return {number} The ID of the new matcher, this can be used to deregister.\n */\nTerminal.prototype.registerLinkMatcher = function(regex, handler, options) {\n if (this.linkifier) {\n var matcherId = this.linkifier.registerLinkMatcher(regex, handler, options);\n this.refresh(0, this.rows - 1);\n return matcherId;\n }\n};\n\n/**\n * Deregisters a link matcher if it has been registered.\n * @param {number} matcherId The link matcher's ID (returned after register)\n */\nTerminal.prototype.deregisterLinkMatcher = function(matcherId) {\n if (this.linkifier) {\n if (this.linkifier.deregisterLinkMatcher(matcherId)) {\n this.refresh(0, this.rows - 1);\n }\n }\n};\n\n/**\n * Gets whether the terminal has an active selection.\n */\nTerminal.prototype.hasSelection = function() {\n return this.selectionManager.hasSelection;\n};\n\n/**\n * Gets the terminal's current selection, this is useful for implementing copy\n * behavior outside of xterm.js.\n */\nTerminal.prototype.getSelection = function() {\n return this.selectionManager.selectionText;\n};\n\n/**\n * Clears the current terminal selection.\n */\nTerminal.prototype.clearSelection = function() {\n this.selectionManager.clearSelection();\n};\n\n/**\n * Selects all text within the terminal.\n */\nTerminal.prototype.selectAll = function() {\n this.selectionManager.selectAll();\n};\n\n/**\n * Handle a keydown event\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keydown event to be handled.\n */\nTerminal.prototype.keyDown = function(ev) {\n if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n return false;\n }\n\n this.restartCursorBlinking();\n\n if (!this.compositionHelper.keydown.bind(this.compositionHelper)(ev)) {\n if (this.ybase !== this.ydisp) {\n this.scrollToBottom();\n }\n return false;\n }\n\n var self = this;\n var result = this.evaluateKeyEscapeSequence(ev);\n\n if (result.key === C0.DC3) { // XOFF\n this.writeStopped = true;\n } else if (result.key === C0.DC1) { // XON\n this.writeStopped = false;\n }\n\n if (result.scrollDisp) {\n this.scrollDisp(result.scrollDisp);\n return this.cancel(ev, true);\n }\n\n if (isThirdLevelShift(this, ev)) {\n return true;\n }\n\n if (result.cancel) {\n // The event is canceled at the end already, is this necessary?\n this.cancel(ev, true);\n }\n\n if (!result.key) {\n return true;\n }\n\n this.emit('keydown', ev);\n this.emit('key', result.key, ev);\n this.showCursor();\n this.handler(result.key);\n\n return this.cancel(ev, true);\n};\n\n/**\n * Returns an object that determines how a KeyboardEvent should be handled. The key of the\n * returned value is the new key code to pass to the PTY.\n *\n * Reference: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html\n * @param {KeyboardEvent} ev The keyboard event to be translated to key escape sequence.\n */\nTerminal.prototype.evaluateKeyEscapeSequence = function(ev) {\n var result = {\n // Whether to cancel event propogation (NOTE: this may not be needed since the event is\n // canceled at the end of keyDown\n cancel: false,\n // The new key even to emit\n key: undefined,\n // The number of characters to scroll, if this is defined it will cancel the event\n scrollDisp: undefined\n };\n var modifiers = ev.shiftKey << 0 | ev.altKey << 1 | ev.ctrlKey << 2 | ev.metaKey << 3;\n switch (ev.keyCode) {\n case 8:\n // backspace\n if (ev.shiftKey) {\n result.key = C0.BS; // ^H\n break;\n }\n result.key = C0.DEL; // ^?\n break;\n case 9:\n // tab\n if (ev.shiftKey) {\n result.key = C0.ESC + '[Z';\n break;\n }\n result.key = C0.HT;\n result.cancel = true;\n break;\n case 13:\n // return/enter\n result.key = C0.CR;\n result.cancel = true;\n break;\n case 27:\n // escape\n result.key = C0.ESC;\n result.cancel = true;\n break;\n case 37:\n // left-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'D';\n // HACK: Make Alt + left-arrow behave like Ctrl + left-arrow: move one word backwards\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (result.key == C0.ESC + '[1;3D') {\n result.key = (this.browser.isMac) ? C0.ESC + 'b' : C0.ESC + '[1;5D';\n }\n } else if (this.applicationCursor) {\n result.key = C0.ESC + 'OD';\n } else {\n result.key = C0.ESC + '[D';\n }\n break;\n case 39:\n // right-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'C';\n // HACK: Make Alt + right-arrow behave like Ctrl + right-arrow: move one word forward\n // http://unix.stackexchange.com/a/108106\n // macOS uses different escape sequences than linux\n if (result.key == C0.ESC + '[1;3C') {\n result.key = (this.browser.isMac) ? C0.ESC + 'f' : C0.ESC + '[1;5C';\n }\n } else if (this.applicationCursor) {\n result.key = C0.ESC + 'OC';\n } else {\n result.key = C0.ESC + '[C';\n }\n break;\n case 38:\n // up-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'A';\n // HACK: Make Alt + up-arrow behave like Ctrl + up-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == C0.ESC + '[1;3A') {\n result.key = C0.ESC + '[1;5A';\n }\n } else if (this.applicationCursor) {\n result.key = C0.ESC + 'OA';\n } else {\n result.key = C0.ESC + '[A';\n }\n break;\n case 40:\n // down-arrow\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'B';\n // HACK: Make Alt + down-arrow behave like Ctrl + down-arrow\n // http://unix.stackexchange.com/a/108106\n if (result.key == C0.ESC + '[1;3B') {\n result.key = C0.ESC + '[1;5B';\n }\n } else if (this.applicationCursor) {\n result.key = C0.ESC + 'OB';\n } else {\n result.key = C0.ESC + '[B';\n }\n break;\n case 45:\n // insert\n if (!ev.shiftKey && !ev.ctrlKey) {\n // or + are used to\n // copy-paste on some systems.\n result.key = C0.ESC + '[2~';\n }\n break;\n case 46:\n // delete\n if (modifiers) {\n result.key = C0.ESC + '[3;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[3~';\n }\n break;\n case 36:\n // home\n if (modifiers)\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'H';\n else if (this.applicationCursor)\n result.key = C0.ESC + 'OH';\n else\n result.key = C0.ESC + '[H';\n break;\n case 35:\n // end\n if (modifiers)\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'F';\n else if (this.applicationCursor)\n result.key = C0.ESC + 'OF';\n else\n result.key = C0.ESC + '[F';\n break;\n case 33:\n // page up\n if (ev.shiftKey) {\n result.scrollDisp = -(this.rows - 1);\n } else {\n result.key = C0.ESC + '[5~';\n }\n break;\n case 34:\n // page down\n if (ev.shiftKey) {\n result.scrollDisp = this.rows - 1;\n } else {\n result.key = C0.ESC + '[6~';\n }\n break;\n case 112:\n // F1-F12\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'P';\n } else {\n result.key = C0.ESC + 'OP';\n }\n break;\n case 113:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'Q';\n } else {\n result.key = C0.ESC + 'OQ';\n }\n break;\n case 114:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'R';\n } else {\n result.key = C0.ESC + 'OR';\n }\n break;\n case 115:\n if (modifiers) {\n result.key = C0.ESC + '[1;' + (modifiers + 1) + 'S';\n } else {\n result.key = C0.ESC + 'OS';\n }\n break;\n case 116:\n if (modifiers) {\n result.key = C0.ESC + '[15;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[15~';\n }\n break;\n case 117:\n if (modifiers) {\n result.key = C0.ESC + '[17;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[17~';\n }\n break;\n case 118:\n if (modifiers) {\n result.key = C0.ESC + '[18;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[18~';\n }\n break;\n case 119:\n if (modifiers) {\n result.key = C0.ESC + '[19;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[19~';\n }\n break;\n case 120:\n if (modifiers) {\n result.key = C0.ESC + '[20;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[20~';\n }\n break;\n case 121:\n if (modifiers) {\n result.key = C0.ESC + '[21;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[21~';\n }\n break;\n case 122:\n if (modifiers) {\n result.key = C0.ESC + '[23;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[23~';\n }\n break;\n case 123:\n if (modifiers) {\n result.key = C0.ESC + '[24;' + (modifiers + 1) + '~';\n } else {\n result.key = C0.ESC + '[24~';\n }\n break;\n default:\n // a-z and space\n if (ev.ctrlKey && !ev.shiftKey && !ev.altKey && !ev.metaKey) {\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = String.fromCharCode(ev.keyCode - 64);\n } else if (ev.keyCode === 32) {\n // NUL\n result.key = String.fromCharCode(0);\n } else if (ev.keyCode >= 51 && ev.keyCode <= 55) {\n // escape, file sep, group sep, record sep, unit sep\n result.key = String.fromCharCode(ev.keyCode - 51 + 27);\n } else if (ev.keyCode === 56) {\n // delete\n result.key = String.fromCharCode(127);\n } else if (ev.keyCode === 219) {\n // ^[ - Control Sequence Introducer (CSI)\n result.key = String.fromCharCode(27);\n } else if (ev.keyCode === 220) {\n // ^\\ - String Terminator (ST)\n result.key = String.fromCharCode(28);\n } else if (ev.keyCode === 221) {\n // ^] - Operating System Command (OSC)\n result.key = String.fromCharCode(29);\n }\n } else if (!this.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) {\n // On Mac this is a third level shift. Use instead.\n if (ev.keyCode >= 65 && ev.keyCode <= 90) {\n result.key = C0.ESC + String.fromCharCode(ev.keyCode + 32);\n } else if (ev.keyCode === 192) {\n result.key = C0.ESC + '`';\n } else if (ev.keyCode >= 48 && ev.keyCode <= 57) {\n result.key = C0.ESC + (ev.keyCode - 48);\n }\n } else if (this.browser.isMac && !ev.altKey && !ev.ctrlKey && ev.metaKey) {\n if (ev.keyCode === 65) { // cmd + a\n this.selectAll();\n }\n }\n break;\n }\n\n return result;\n};\n\n/**\n * Set the G level of the terminal\n * @param g\n */\nTerminal.prototype.setgLevel = function(g) {\n this.glevel = g;\n this.charset = this.charsets[g];\n};\n\n/**\n * Set the charset for the given G level of the terminal\n * @param g\n * @param charset\n */\nTerminal.prototype.setgCharset = function(g, charset) {\n this.charsets[g] = charset;\n if (this.glevel === g) {\n this.charset = charset;\n }\n};\n\n/**\n * Handle a keypress event.\n * Key Resources:\n * - https://developer.mozilla.org/en-US/docs/DOM/KeyboardEvent\n * @param {KeyboardEvent} ev The keypress event to be handled.\n */\nTerminal.prototype.keyPress = function(ev) {\n var key;\n\n if (this.customKeyEventHandler && this.customKeyEventHandler(ev) === false) {\n return false;\n }\n\n this.cancel(ev);\n\n if (ev.charCode) {\n key = ev.charCode;\n } else if (ev.which == null) {\n key = ev.keyCode;\n } else if (ev.which !== 0 && ev.charCode !== 0) {\n key = ev.which;\n } else {\n return false;\n }\n\n if (!key || (\n (ev.altKey || ev.ctrlKey || ev.metaKey) && !isThirdLevelShift(this, ev)\n )) {\n return false;\n }\n\n key = String.fromCharCode(key);\n\n this.emit('keypress', key, ev);\n this.emit('key', key, ev);\n this.showCursor();\n this.handler(key);\n\n return true;\n};\n\n/**\n * Send data for handling to the terminal\n * @param {string} data\n */\nTerminal.prototype.send = function(data) {\n var self = this;\n\n if (!this.queue) {\n setTimeout(function() {\n self.handler(self.queue);\n self.queue = '';\n }, 1);\n }\n\n this.queue += data;\n};\n\n/**\n * Ring the bell.\n * Note: We could do sweet things with webaudio here\n */\nTerminal.prototype.bell = function() {\n if (!this.visualBell) return;\n var self = this;\n this.element.style.borderColor = 'white';\n setTimeout(function() {\n self.element.style.borderColor = '';\n }, 10);\n if (this.popOnBell) this.focus();\n};\n\n/**\n * Log the current state to the console.\n */\nTerminal.prototype.log = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.log) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.log.apply(this.context.console, args);\n};\n\n/**\n * Log the current state as error to the console.\n */\nTerminal.prototype.error = function() {\n if (!this.debug) return;\n if (!this.context.console || !this.context.console.error) return;\n var args = Array.prototype.slice.call(arguments);\n this.context.console.error.apply(this.context.console, args);\n};\n\n/**\n * Resizes the terminal.\n *\n * @param {number} x The number of columns to resize to.\n * @param {number} y The number of rows to resize to.\n */\nTerminal.prototype.resize = function(x, y) {\n if (isNaN(x) || isNaN(y)) {\n return;\n }\n\n if (y > this.getOption('scrollback')) {\n this.setOption('scrollback', y)\n }\n\n var line\n , el\n , i\n , j\n , ch\n , addToY;\n\n if (x === this.cols && y === this.rows) {\n return;\n }\n\n if (x < 1) x = 1;\n if (y < 1) y = 1;\n\n // resize cols\n j = this.cols;\n if (j < x) {\n ch = [this.defAttr, ' ', 1]; // does xterm use the default attr?\n i = this.lines.length;\n while (i--) {\n while (this.lines.get(i).length < x) {\n this.lines.get(i).push(ch);\n }\n }\n }\n\n this.cols = x;\n this.setupStops(this.cols);\n\n // resize rows\n j = this.rows;\n addToY = 0;\n if (j < y) {\n el = this.element;\n while (j++ < y) {\n // y is rows, not this.y\n if (this.lines.length < y + this.ybase) {\n if (this.ybase > 0 && this.lines.length <= this.ybase + this.y + addToY + 1) {\n // There is room above the buffer and there are no empty elements below the line,\n // scroll up\n this.ybase--;\n addToY++;\n if (this.ydisp > 0) {\n // Viewport is at the top of the buffer, must increase downwards\n this.ydisp--;\n }\n } else {\n // Add a blank line if there is no buffer left at the top to scroll to, or if there\n // are blank lines after the cursor\n this.lines.push(this.blankLine());\n }\n }\n if (this.children.length < y) {\n this.insertRow();\n }\n }\n } else { // (j > y)\n while (j-- > y) {\n if (this.lines.length > y + this.ybase) {\n if (this.lines.length > this.ybase + this.y + 1) {\n // The line is a blank line below the cursor, remove it\n this.lines.pop();\n } else {\n // The line is the cursor, scroll down\n this.ybase++;\n this.ydisp++;\n }\n }\n if (this.children.length > y) {\n el = this.children.shift();\n if (!el) continue;\n el.parentNode.removeChild(el);\n }\n }\n }\n this.rows = y;\n\n // Make sure that the cursor stays on screen\n if (this.y >= y) {\n this.y = y - 1;\n }\n if (addToY) {\n this.y += addToY;\n }\n\n if (this.x >= x) {\n this.x = x - 1;\n }\n\n this.scrollTop = 0;\n this.scrollBottom = y - 1;\n\n this.charMeasure.measure();\n\n this.refresh(0, this.rows - 1);\n\n this.normal = null;\n\n this.geometry = [this.cols, this.rows];\n this.emit('resize', {terminal: this, cols: x, rows: y});\n};\n\n/**\n * Updates the range of rows to refresh\n * @param {number} y The number of rows to refresh next.\n */\nTerminal.prototype.updateRange = function(y) {\n if (y < this.refreshStart) this.refreshStart = y;\n if (y > this.refreshEnd) this.refreshEnd = y;\n // if (y > this.refreshEnd) {\n // this.refreshEnd = y;\n // if (y > this.rows - 1) {\n // this.refreshEnd = this.rows - 1;\n // }\n // }\n};\n\n/**\n * Set the range of refreshing to the maximum value\n */\nTerminal.prototype.maxRange = function() {\n this.refreshStart = 0;\n this.refreshEnd = this.rows - 1;\n};\n\n\n\n/**\n * Setup the tab stops.\n * @param {number} i\n */\nTerminal.prototype.setupStops = function(i) {\n if (i != null) {\n if (!this.tabs[i]) {\n i = this.prevStop(i);\n }\n } else {\n this.tabs = {};\n i = 0;\n }\n\n for (; i < this.cols; i += this.getOption('tabStopWidth')) {\n this.tabs[i] = true;\n }\n};\n\n\n/**\n * Move the cursor to the previous tab stop from the given position (default is current).\n * @param {number} x The position to move the cursor to the previous tab stop.\n */\nTerminal.prototype.prevStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[--x] && x > 0);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Move the cursor one tab stop forward from the given position (default is current).\n * @param {number} x The position to move the cursor one tab stop forward.\n */\nTerminal.prototype.nextStop = function(x) {\n if (x == null) x = this.x;\n while (!this.tabs[++x] && x < this.cols);\n return x >= this.cols\n ? this.cols - 1\n : x < 0 ? 0 : x;\n};\n\n\n/**\n * Erase in the identified line everything from \"x\" to the end of the line (right).\n * @param {number} x The column from which to start erasing to the end of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseRight = function(x, y) {\n var line = this.lines.get(this.ybase + y);\n if (!line) {\n return;\n }\n var ch = [this.eraseAttr(), ' ', 1]; // xterm\n for (; x < this.cols; x++) {\n line[x] = ch;\n }\n this.updateRange(y);\n};\n\n\n\n/**\n * Erase in the identified line everything from \"x\" to the start of the line (left).\n * @param {number} x The column from which to start erasing to the start of the line.\n * @param {number} y The line in which to operate.\n */\nTerminal.prototype.eraseLeft = function(x, y) {\n var line = this.lines.get(this.ybase + y);\n if (!line) {\n return;\n }\n var ch = [this.eraseAttr(), ' ', 1]; // xterm\n x++;\n while (x--) {\n line[x] = ch;\n }\n this.updateRange(y);\n};\n\n/**\n * Clears the entire buffer, making the prompt line the new first line.\n */\nTerminal.prototype.clear = function() {\n if (this.ybase === 0 && this.y === 0) {\n // Don't clear if it's already clear\n return;\n }\n this.lines.set(0, this.lines.get(this.ybase + this.y));\n this.lines.length = 1;\n this.ydisp = 0;\n this.ybase = 0;\n this.y = 0;\n for (var i = 1; i < this.rows; i++) {\n this.lines.push(this.blankLine());\n }\n this.refresh(0, this.rows - 1);\n this.emit('scroll', this.ydisp);\n};\n\n/**\n * Erase all content in the given line\n * @param {number} y The line to erase all of its contents.\n */\nTerminal.prototype.eraseLine = function(y) {\n this.eraseRight(0, y);\n};\n\n\n/**\n * Return the data array of a blank line\n * @param {number} cur First bunch of data for each \"blank\" character.\n * @param {boolean} isWrapped Whether the new line is wrapped from the previous line.\n */\nTerminal.prototype.blankLine = function(cur, isWrapped) {\n var attr = cur\n ? this.eraseAttr()\n : this.defAttr;\n\n var ch = [attr, ' ', 1] // width defaults to 1 halfwidth character\n , line = []\n , i = 0;\n\n // TODO: It is not ideal that this is a property on an array, a buffer line\n // class should be added that will hold this data and other useful functions.\n if (isWrapped) {\n line.isWrapped = isWrapped;\n }\n\n for (; i < this.cols; i++) {\n line[i] = ch;\n }\n\n return line;\n};\n\n\n/**\n * If cur return the back color xterm feature attribute. Else return defAttr.\n * @param {object} cur\n */\nTerminal.prototype.ch = function(cur) {\n return cur\n ? [this.eraseAttr(), ' ', 1]\n : [this.defAttr, ' ', 1];\n};\n\n\n/**\n * Evaluate if the current erminal is the given argument.\n * @param {object} term The terminal to evaluate\n */\nTerminal.prototype.is = function(term) {\n var name = this.termName;\n return (name + '').indexOf(term) === 0;\n};\n\n\n/**\n * Emit the 'data' event and populate the given data.\n * @param {string} data The data to populate in the event.\n */\nTerminal.prototype.handler = function(data) {\n // Prevents all events to pty process if stdin is disabled\n if (this.options.disableStdin) {\n return;\n }\n\n // Input is being sent to the terminal, the terminal should focus the prompt.\n if (this.ybase !== this.ydisp) {\n this.scrollToBottom();\n }\n this.emit('data', data);\n};\n\n\n/**\n * Emit the 'title' event and populate the given title.\n * @param {string} title The title to populate in the event.\n */\nTerminal.prototype.handleTitle = function(title) {\n /**\n * This event is emitted when the title of the terminal is changed\n * from inside the terminal. The parameter is the new title.\n *\n * @event title\n */\n this.emit('title', title);\n};\n\n\n/**\n * ESC\n */\n\n/**\n * ESC D Index (IND is 0x84).\n */\nTerminal.prototype.index = function() {\n this.y++;\n if (this.y > this.scrollBottom) {\n this.y--;\n this.scroll();\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this.x >= this.cols) {\n this.x--;\n }\n};\n\n\n/**\n * ESC M Reverse Index (RI is 0x8d).\n *\n * Move the cursor up one row, inserting a new blank line if necessary.\n */\nTerminal.prototype.reverseIndex = function() {\n var j;\n if (this.y === this.scrollTop) {\n // possibly move the code below to term.reverseScroll();\n // test: echo -ne '\\e[1;1H\\e[44m\\eM\\e[0m'\n // blankLine(true) is xterm/linux behavior\n this.lines.shiftElements(this.y + this.ybase, this.rows - 1, 1);\n this.lines.set(this.y + this.ybase, this.blankLine(true));\n this.updateRange(this.scrollTop);\n this.updateRange(this.scrollBottom);\n } else {\n this.y--;\n }\n};\n\n\n/**\n * ESC c Full Reset (RIS).\n */\nTerminal.prototype.reset = function() {\n this.options.rows = this.rows;\n this.options.cols = this.cols;\n var customKeyEventHandler = this.customKeyEventHandler;\n var cursorBlinkInterval = this.cursorBlinkInterval;\n Terminal.call(this, this.options);\n this.customKeyEventHandler = customKeyEventHandler;\n this.cursorBlinkInterval = cursorBlinkInterval;\n this.refresh(0, this.rows - 1);\n this.viewport.syncScrollArea();\n};\n\n\n/**\n * ESC H Tab Set (HTS is 0x88).\n */\nTerminal.prototype.tabSet = function() {\n this.tabs[this.x] = true;\n};\n\n/**\n * Helpers\n */\n\nfunction on(el, type, handler, capture) {\n if (!Array.isArray(el)) {\n el = [el];\n }\n el.forEach(function (element) {\n element.addEventListener(type, handler, capture || false);\n });\n}\n\nfunction off(el, type, handler, capture) {\n el.removeEventListener(type, handler, capture || false);\n}\n\nfunction cancel(ev, force) {\n if (!this.cancelEvents && !force) {\n return;\n }\n ev.preventDefault();\n ev.stopPropagation();\n return false;\n}\n\nfunction inherits(child, parent) {\n function f() {\n this.constructor = child;\n }\n f.prototype = parent.prototype;\n child.prototype = new f;\n}\n\nfunction indexOf(obj, el) {\n var i = obj.length;\n while (i--) {\n if (obj[i] === el) return i;\n }\n return -1;\n}\n\nfunction isThirdLevelShift(term, ev) {\n var thirdLevelKey =\n (term.browser.isMac && ev.altKey && !ev.ctrlKey && !ev.metaKey) ||\n (term.browser.isMSWindows && ev.altKey && ev.ctrlKey && !ev.metaKey);\n\n if (ev.type == 'keypress') {\n return thirdLevelKey;\n }\n\n // Don't invoke for arrows, pageDown, home, backspace, etc. (on non-keypress events)\n return thirdLevelKey && (!ev.keyCode || ev.keyCode > 47);\n}\n\n// Expose to InputHandler (temporary)\nTerminal.prototype.matchColor = matchColor;\n\nfunction matchColor(r1, g1, b1) {\n var hash = (r1 << 16) | (g1 << 8) | b1;\n\n if (matchColor._cache[hash] != null) {\n return matchColor._cache[hash];\n }\n\n var ldiff = Infinity\n , li = -1\n , i = 0\n , c\n , r2\n , g2\n , b2\n , diff;\n\n for (; i < Terminal.vcolors.length; i++) {\n c = Terminal.vcolors[i];\n r2 = c[0];\n g2 = c[1];\n b2 = c[2];\n\n diff = matchColor.distance(r1, g1, b1, r2, g2, b2);\n\n if (diff === 0) {\n li = i;\n break;\n }\n\n if (diff < ldiff) {\n ldiff = diff;\n li = i;\n }\n }\n\n return matchColor._cache[hash] = li;\n}\n\nmatchColor._cache = {};\n\n// http://stackoverflow.com/questions/1633828\nmatchColor.distance = function(r1, g1, b1, r2, g2, b2) {\n return Math.pow(30 * (r1 - r2), 2)\n + Math.pow(59 * (g1 - g2), 2)\n + Math.pow(11 * (b1 - b2), 2);\n};\n\nfunction each(obj, iter, con) {\n if (obj.forEach) return obj.forEach(iter, con);\n for (var i = 0; i < obj.length; i++) {\n iter.call(con, obj[i], i, obj);\n }\n}\n\nfunction wasMondifierKeyOnlyEvent(ev) {\n return ev.keyCode === 16 || // Shift\n ev.keyCode === 17 || // Ctrl\n ev.keyCode === 18; // Alt\n}\n\nfunction keys(obj) {\n if (Object.keys) return Object.keys(obj);\n var key, keys = [];\n for (key in obj) {\n if (Object.prototype.hasOwnProperty.call(obj, key)) {\n keys.push(key);\n }\n }\n return keys;\n}\n\n/**\n * Expose\n */\n\nTerminal.EventEmitter = EventEmitter;\nTerminal.inherits = inherits;\n\n/**\n * Adds an event listener to the terminal.\n *\n * @param {string} event The name of the event. TODO: Document all event types\n * @param {function} callback The function to call when the event is triggered.\n */\nTerminal.on = on;\nTerminal.off = off;\nTerminal.cancel = cancel;\n\nmodule.exports = Terminal;\n","/**\n * @license MIT\n */\n\nimport { CharMeasure } from './CharMeasure';\n\nexport function getCoordsRelativeToElement(event: MouseEvent, element: HTMLElement): [number, number] {\n // Ignore browsers that don't support MouseEvent.pageX\n if (event.pageX == null) {\n return null;\n }\n\n let x = event.pageX;\n let y = event.pageY;\n\n // Converts the coordinates from being relative to the document to being\n // relative to the terminal.\n while (element && element !== self.document.documentElement) {\n x -= element.offsetLeft;\n y -= element.offsetTop;\n element = 'offsetParent' in element ? element.offsetParent : element.parentElement;\n }\n return [x, y];\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event. The result\n * is returned as an array in the form [x, y] instead of an object as it's a\n * little faster and this function is used in some low level code.\n * @param event The mouse event.\n * @param rowContainer The terminal's row container.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows n the terminal.\n * @param isSelection Whether the request is for the selection or not. This will\n * apply an offset to the x value such that the left half of the cell will\n * select that cell and the right half will select the next cell.\n */\nexport function getCoords(event: MouseEvent, rowContainer: HTMLElement, charMeasure: CharMeasure, colCount: number, rowCount: number, isSelection?: boolean): [number, number] {\n const coords = getCoordsRelativeToElement(event, rowContainer);\n\n // Convert to cols/rows.\n coords[0] = Math.ceil((coords[0] + (isSelection ? charMeasure.width / 2 : 0)) / charMeasure.width);\n coords[1] = Math.ceil(coords[1] / charMeasure.height);\n\n // Ensure coordinates are within the terminal viewport.\n coords[0] = Math.min(Math.max(coords[0], 1), colCount + 1);\n coords[1] = Math.min(Math.max(coords[1], 1), rowCount + 1);\n\n return coords;\n}\n\n/**\n * Gets coordinates within the terminal for a particular mouse event, wrapping\n * them to the bounds of the terminal and adding 32 to both the x and y values\n * as expected by xterm.\n * @param event The mouse event.\n * @param rowContainer The terminal's row container.\n * @param charMeasure The char measure object used to determine character sizes.\n * @param colCount The number of columns in the terminal.\n * @param rowCount The number of rows in the terminal.\n */\nexport function getRawByteCoords(event: MouseEvent, rowContainer: HTMLElement, charMeasure: CharMeasure, colCount: number, rowCount: number): { x: number, y: number } {\n const coords = getCoords(event, rowContainer, charMeasure, colCount, rowCount);\n let x = coords[0];\n let y = coords[1];\n\n // xterm sends raw bytes and starts at 32 (SP) for each.\n x += 32;\n y += 32;\n\n return { x, y };\n}\n","/**\n * Generic utilities module with methods that can be helpful at different parts of the code base.\n * @module xterm/utils/Generic\n * @license MIT\n */\n\n/**\n * Return if the given array contains the given element\n * @param {Array} array The array to search for the given element.\n * @param {Object} el The element to look for into the array\n */\nexport function contains(arr: any[], el: any) {\n return arr.indexOf(el) >= 0;\n};\n","/**\n * @module xterm/utils/DomElementObjectPool\n * @license MIT\n */\n\n/**\n * An object pool that manages acquisition and releasing of DOM elements for\n * when reuse is desirable.\n */\nexport class DomElementObjectPool {\n private static readonly OBJECT_ID_ATTRIBUTE = 'data-obj-id';\n\n private static _objectCount = 0;\n\n private _type: string;\n private _pool: HTMLElement[];\n private _inUse: {[key: string]: HTMLElement};\n\n /**\n * @param type The DOM element type (div, span, etc.).\n */\n constructor(private type: string) {\n this._type = type;\n this._pool = [];\n this._inUse = {};\n }\n\n /**\n * Acquire an element from the pool, creating it if the pool is empty.\n */\n public acquire(): HTMLElement {\n let element: HTMLElement;\n if (this._pool.length === 0) {\n element = this._createNew();\n } else {\n element = this._pool.pop();\n }\n this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)] = element;\n return element;\n }\n\n /**\n * Release an element back into the pool. It's up to the caller of this\n * function to ensure that all external references to the element have been\n * removed.\n * @param element The element being released.\n */\n public release(element: HTMLElement): void {\n if (!this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)]) {\n throw new Error('Could not release an element not yet acquired');\n }\n delete this._inUse[element.getAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE)];\n this._cleanElement(element);\n this._pool.push(element);\n }\n\n /**\n * Creates a new element for the pool.\n */\n private _createNew(): HTMLElement {\n const element = document.createElement(this._type);\n const id = DomElementObjectPool._objectCount++;\n element.setAttribute(DomElementObjectPool.OBJECT_ID_ATTRIBUTE, id.toString(10));\n return element;\n }\n\n /**\n * Resets an element back to a \"clean state\".\n * @param element The element to be cleaned.\n */\n private _cleanElement(element: HTMLElement): void {\n element.className = '';\n element.innerHTML = '';\n }\n}\n","/**\n * Represents a circular list; a list with a maximum size that wraps around when push is called,\n * overriding values at the start of the list.\n * @module xterm/utils/CircularList\n * @license MIT\n */\nimport { EventEmitter } from '../EventEmitter';\n\nexport class CircularList extends EventEmitter {\n private _array: T[];\n private _startIndex: number;\n private _length: number;\n\n constructor(maxLength: number) {\n super();\n this._array = new Array(maxLength);\n this._startIndex = 0;\n this._length = 0;\n }\n\n public get maxLength(): number {\n return this._array.length;\n }\n\n public set maxLength(newMaxLength: number) {\n // Reconstruct array, starting at index 0. Only transfer values from the\n // indexes 0 to length.\n let newArray = new Array(newMaxLength);\n for (let i = 0; i < Math.min(newMaxLength, this.length); i++) {\n newArray[i] = this._array[this._getCyclicIndex(i)];\n }\n this._array = newArray;\n this._startIndex = 0;\n }\n\n public get length(): number {\n return this._length;\n }\n\n public set length(newLength: number) {\n if (newLength > this._length) {\n for (let i = this._length; i < newLength; i++) {\n this._array[i] = undefined;\n }\n }\n this._length = newLength;\n }\n\n public get forEach(): (callbackfn: (value: T, index: number) => void) => void {\n return (callbackfn: (value: T, index: number) => void) => {\n let i = 0;\n let length = this.length;\n for (let i = 0; i < length; i++) {\n callbackfn(this.get(i), i);\n }\n };\n }\n\n /**\n * Gets the value at an index.\n *\n * Note that for performance reasons there is no bounds checking here, the index reference is\n * circular so this should always return a value and never throw.\n * @param index The index of the value to get.\n * @return The value corresponding to the index.\n */\n public get(index: number): T {\n return this._array[this._getCyclicIndex(index)];\n }\n\n /**\n * Sets the value at an index.\n *\n * Note that for performance reasons there is no bounds checking here, the index reference is\n * circular so this should always return a value and never throw.\n * @param index The index to set.\n * @param value The value to set.\n */\n public set(index: number, value: T): void {\n this._array[this._getCyclicIndex(index)] = value;\n }\n\n /**\n * Pushes a new value onto the list, wrapping around to the start of the array, overriding index 0\n * if the maximum length is reached.\n * @param value The value to push onto the list.\n */\n public push(value: T): void {\n this._array[this._getCyclicIndex(this._length)] = value;\n if (this._length === this.maxLength) {\n this._startIndex++;\n if (this._startIndex === this.maxLength) {\n this._startIndex = 0;\n }\n this.emit('trim', 1);\n } else {\n this._length++;\n }\n }\n\n /**\n * Removes and returns the last value on the list.\n * @return The popped value.\n */\n public pop(): T {\n return this._array[this._getCyclicIndex(this._length-- - 1)];\n }\n\n /**\n * Deletes and/or inserts items at a particular index (in that order). Unlike\n * Array.prototype.splice, this operation does not return the deleted items as a new array in\n * order to save creating a new array. Note that this operation may shift all values in the list\n * in the worst case.\n * @param start The index to delete and/or insert.\n * @param deleteCount The number of elements to delete.\n * @param items The items to insert.\n */\n public splice(start: number, deleteCount: number, ...items: T[]): void {\n // Delete items\n if (deleteCount) {\n for (let i = start; i < this._length - deleteCount; i++) {\n this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];\n }\n this._length -= deleteCount;\n }\n\n if (items && items.length) {\n // Add items\n for (let i = this._length - 1; i >= start; i--) {\n this._array[this._getCyclicIndex(i + items.length)] = this._array[this._getCyclicIndex(i)];\n }\n for (let i = 0; i < items.length; i++) {\n this._array[this._getCyclicIndex(start + i)] = items[i];\n }\n\n // Adjust length as needed\n if (this._length + items.length > this.maxLength) {\n const countToTrim = (this._length + items.length) - this.maxLength;\n this._startIndex += countToTrim;\n this._length = this.maxLength;\n this.emit('trim', countToTrim);\n } else {\n this._length += items.length;\n }\n }\n }\n\n /**\n * Trims a number of items from the start of the list.\n * @param count The number of items to remove.\n */\n public trimStart(count: number): void {\n if (count > this._length) {\n count = this._length;\n }\n this._startIndex += count;\n this._length -= count;\n this.emit('trim', count);\n }\n\n public shiftElements(start: number, count: number, offset: number): void {\n if (count <= 0) {\n return;\n }\n if (start < 0 || start >= this._length) {\n throw new Error('start argument out of range');\n }\n if (start + offset < 0) {\n throw new Error('Cannot shift elements in list beyond index 0');\n }\n\n if (offset > 0) {\n for (let i = count - 1; i >= 0; i--) {\n this.set(start + i + offset, this.get(start + i));\n }\n const expandListBy = (start + count + offset) - this._length;\n if (expandListBy > 0) {\n this._length += expandListBy;\n while (this._length > this.maxLength) {\n this._length--;\n this._startIndex++;\n this.emit('trim', 1);\n }\n }\n } else {\n for (let i = 0; i < count; i++) {\n this.set(start + i + offset, this.get(start + i));\n }\n }\n }\n\n /**\n * Gets the cyclic index for the specified regular index. The cyclic index can then be used on the\n * backing array to get the element associated with the regular index.\n * @param index The regular index.\n * @returns The cyclic index.\n */\n private _getCyclicIndex(index: number): number {\n return (this._startIndex + index) % this.maxLength;\n }\n}\n","/**\n * @module xterm/utils/CharMeasure\n * @license MIT\n */\n\nimport { EventEmitter } from '../EventEmitter.js';\n\n/**\n * Utility class that measures the size of a character.\n */\nexport class CharMeasure extends EventEmitter {\n private _document: Document;\n private _parentElement: HTMLElement;\n private _measureElement: HTMLElement;\n private _width: number;\n private _height: number;\n\n constructor(document: Document, parentElement: HTMLElement) {\n super();\n this._document = document;\n this._parentElement = parentElement;\n }\n\n public get width(): number {\n return this._width;\n }\n\n public get height(): number {\n return this._height;\n }\n\n public measure(): void {\n if (!this._measureElement) {\n this._measureElement = this._document.createElement('span');\n this._measureElement.style.position = 'absolute';\n this._measureElement.style.top = '0';\n this._measureElement.style.left = '-9999em';\n this._measureElement.textContent = 'W';\n this._measureElement.setAttribute('aria-hidden', 'true');\n this._parentElement.appendChild(this._measureElement);\n // Perform _doMeasure async if the element was just attached as sometimes\n // getBoundingClientRect does not return accurate values without this.\n setTimeout(() => this._doMeasure(), 0);\n } else {\n this._doMeasure();\n }\n }\n\n private _doMeasure(): void {\n const geometry = this._measureElement.getBoundingClientRect();\n // The element is likely currently display:none, we should retain the\n // previous value.\n if (geometry.width === 0 || geometry.height === 0) {\n return;\n }\n if (this._width !== geometry.width || this._height !== geometry.height) {\n this._width = geometry.width;\n this._height = geometry.height;\n this.emit('charsizechanged');\n }\n }\n}\n","/**\n * Attributes and methods to help with identifying the current browser and platform.\n * @module xterm/utils/Browser\n * @license MIT\n */\n\nimport { contains } from './Generic';\n\nconst isNode = (typeof navigator === 'undefined') ? true : false;\nconst userAgent = (isNode) ? 'node' : navigator.userAgent;\nconst platform = (isNode) ? 'node' : navigator.platform;\n\nexport const isFirefox = !!~userAgent.indexOf('Firefox');\nexport const isMSIE = !!~userAgent.indexOf('MSIE') || !!~userAgent.indexOf('Trident');\n\n// Find the users platform. We use this to interpret the meta key\n// and ISO third level shifts.\n// http://stackoverflow.com/q/19877924/577598\nexport const isMac = contains(['Macintosh', 'MacIntel', 'MacPPC', 'Mac68K'], platform);\nexport const isIpad = platform === 'iPad';\nexport const isIphone = platform === 'iPhone';\nexport const isMSWindows = contains(['Windows', 'Win16', 'Win32', 'WinCE'], platform);\nexport const isLinux = platform.indexOf('Linux') >= 0;\n","/**\n * Clipboard handler module: exports methods for handling all clipboard-related events in the\n * terminal.\n * @module xterm/handlers/Clipboard\n * @license MIT\n */\n\nimport { ITerminal, ISelectionManager } from '../Interfaces';\n\ninterface IWindow extends Window {\n clipboardData?: {\n getData(format: string): string;\n setData(format: string, data: string);\n };\n}\n\ndeclare var window: IWindow;\n\n/**\n * Prepares text to be pasted into the terminal by normalizing the line endings\n * @param text The pasted text that needs processing before inserting into the terminal\n */\nexport function prepareTextForTerminal(text: string, isMSWindows: boolean): string {\n if (isMSWindows) {\n return text.replace(/\\r?\\n/g, '\\r');\n }\n return text;\n}\n\n/**\n * Binds copy functionality to the given terminal.\n * @param {ClipboardEvent} ev The original copy event to be handled\n */\nexport function copyHandler(ev: ClipboardEvent, term: ITerminal, selectionManager: ISelectionManager) {\n if (term.browser.isMSIE) {\n window.clipboardData.setData('Text', selectionManager.selectionText);\n } else {\n ev.clipboardData.setData('text/plain', selectionManager.selectionText);\n }\n\n // Prevent or the original text will be copied.\n ev.preventDefault();\n}\n\n/**\n * Redirect the clipboard's data to the terminal's input handler.\n * @param {ClipboardEvent} ev The original paste event to be handled\n * @param {Terminal} term The terminal on which to apply the handled paste event\n */\nexport function pasteHandler(ev: ClipboardEvent, term: ITerminal) {\n ev.stopPropagation();\n\n let text: string;\n\n let dispatchPaste = function(text) {\n text = prepareTextForTerminal(text, term.browser.isMSWindows);\n term.handler(text);\n term.textarea.value = '';\n term.emit('paste', text);\n\n return term.cancel(ev);\n };\n\n if (term.browser.isMSIE) {\n if (window.clipboardData) {\n text = window.clipboardData.getData('Text');\n dispatchPaste(text);\n }\n } else {\n if (ev.clipboardData) {\n text = ev.clipboardData.getData('text/plain');\n dispatchPaste(text);\n }\n }\n}\n\n/**\n * Moves the textarea under the mouse cursor and focuses it.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n */\nexport function moveTextAreaUnderMouseCursor(ev: MouseEvent, textarea: HTMLTextAreaElement) {\n // Bring textarea at the cursor position\n textarea.style.position = 'fixed';\n textarea.style.width = '20px';\n textarea.style.height = '20px';\n textarea.style.left = (ev.clientX - 10) + 'px';\n textarea.style.top = (ev.clientY - 10) + 'px';\n textarea.style.zIndex = '1000';\n\n textarea.focus();\n\n // Reset the terminal textarea's styling\n setTimeout(function () {\n textarea.style.position = null;\n textarea.style.width = null;\n textarea.style.height = null;\n textarea.style.left = null;\n textarea.style.top = null;\n textarea.style.zIndex = null;\n }, 4);\n}\n\n/**\n * Bind to right-click event and allow right-click copy and paste.\n * @param ev The original right click event to be handled.\n * @param textarea The terminal's textarea.\n * @param selectionManager The terminal's selection manager.\n */\nexport function rightClickHandler(ev: MouseEvent, textarea: HTMLTextAreaElement, selectionManager: ISelectionManager) {\n moveTextAreaUnderMouseCursor(ev, textarea);\n\n // Get textarea ready to copy from the context menu\n textarea.value = selectionManager.selectionText;\n textarea.select();\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\nimport { CharMeasure } from './utils/CharMeasure';\n\n/**\n * Represents the viewport of a terminal, the visible area within the larger buffer of output.\n * Logic for the virtual scroll bar is included in this object.\n */\nexport class Viewport {\n private currentRowHeight: number;\n private lastRecordedBufferLength: number;\n private lastRecordedViewportHeight: number;\n private lastTouchY: number;\n\n /**\n * Creates a new Viewport.\n * @param terminal The terminal this viewport belongs to.\n * @param viewportElement The DOM element acting as the viewport.\n * @param scrollArea The DOM element acting as the scroll area.\n * @param charMeasureElement A DOM element used to measure the character size of. the terminal.\n */\n constructor(\n private terminal: ITerminal,\n private viewportElement: HTMLElement,\n private scrollArea: HTMLElement,\n private charMeasure: CharMeasure\n ) {\n this.currentRowHeight = 0;\n this.lastRecordedBufferLength = 0;\n this.lastRecordedViewportHeight = 0;\n\n this.terminal.on('scroll', this.syncScrollArea.bind(this));\n this.terminal.on('resize', this.syncScrollArea.bind(this));\n this.viewportElement.addEventListener('scroll', this.onScroll.bind(this));\n\n // Perform this async to ensure the CharMeasure is ready.\n setTimeout(() => this.syncScrollArea(), 0);\n }\n\n /**\n * Refreshes row height, setting line-height, viewport height and scroll area height if\n * necessary.\n * @param charSize A character size measurement bounding rect object, if it doesn't exist it will\n * be created.\n */\n private refresh(): void {\n if (this.charMeasure.height > 0) {\n const rowHeightChanged = this.charMeasure.height !== this.currentRowHeight;\n if (rowHeightChanged) {\n this.currentRowHeight = this.charMeasure.height;\n this.viewportElement.style.lineHeight = this.charMeasure.height + 'px';\n this.terminal.rowContainer.style.lineHeight = this.charMeasure.height + 'px';\n }\n const viewportHeightChanged = this.lastRecordedViewportHeight !== this.terminal.rows;\n if (rowHeightChanged || viewportHeightChanged) {\n this.lastRecordedViewportHeight = this.terminal.rows;\n this.viewportElement.style.height = this.charMeasure.height * this.terminal.rows + 'px';\n this.terminal.selectionContainer.style.height = this.viewportElement.style.height;\n }\n this.scrollArea.style.height = (this.charMeasure.height * this.lastRecordedBufferLength) + 'px';\n }\n }\n\n /**\n * Updates dimensions and synchronizes the scroll area if necessary.\n */\n public syncScrollArea(): void {\n if (this.lastRecordedBufferLength !== this.terminal.lines.length) {\n // If buffer height changed\n this.lastRecordedBufferLength = this.terminal.lines.length;\n this.refresh();\n } else if (this.lastRecordedViewportHeight !== this.terminal.rows) {\n // If viewport height changed\n this.refresh();\n } else {\n // If size has changed, refresh viewport\n if (this.charMeasure.height !== this.currentRowHeight) {\n this.refresh();\n }\n }\n\n // Sync scrollTop\n const scrollTop = this.terminal.ydisp * this.currentRowHeight;\n if (this.viewportElement.scrollTop !== scrollTop) {\n this.viewportElement.scrollTop = scrollTop;\n }\n }\n\n /**\n * Handles scroll events on the viewport, calculating the new viewport and requesting the\n * terminal to scroll to it.\n * @param ev The scroll event.\n */\n private onScroll(ev: Event) {\n const newRow = Math.round(this.viewportElement.scrollTop / this.currentRowHeight);\n const diff = newRow - this.terminal.ydisp;\n this.terminal.scrollDisp(diff, true);\n }\n\n /**\n * Handles mouse wheel events by adjusting the viewport's scrollTop and delegating the actual\n * scrolling to `onScroll`, this event needs to be attached manually by the consumer of\n * `Viewport`.\n * @param ev The mouse wheel event.\n */\n public onWheel(ev: WheelEvent) {\n if (ev.deltaY === 0) {\n // Do nothing if it's not a vertical scroll event\n return;\n }\n // Fallback to WheelEvent.DOM_DELTA_PIXEL\n let multiplier = 1;\n if (ev.deltaMode === WheelEvent.DOM_DELTA_LINE) {\n multiplier = this.currentRowHeight;\n } else if (ev.deltaMode === WheelEvent.DOM_DELTA_PAGE) {\n multiplier = this.currentRowHeight * this.terminal.rows;\n }\n this.viewportElement.scrollTop += ev.deltaY * multiplier;\n // Prevent the page from scrolling when the terminal scrolls\n ev.preventDefault();\n };\n\n /**\n * Handles the touchstart event, recording the touch occurred.\n * @param ev The touch event.\n */\n public onTouchStart(ev: TouchEvent) {\n this.lastTouchY = ev.touches[0].pageY;\n };\n\n /**\n * Handles the touchmove event, scrolling the viewport if the position shifted.\n * @param ev The touch event.\n */\n public onTouchMove(ev: TouchEvent) {\n let deltaY = this.lastTouchY - ev.touches[0].pageY;\n this.lastTouchY = ev.touches[0].pageY;\n if (deltaY === 0) {\n return;\n }\n this.viewportElement.scrollTop += deltaY;\n ev.preventDefault();\n };\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\n/**\n * Represents a selection within the buffer. This model only cares about column\n * and row coordinates, not wide characters.\n */\nexport class SelectionModel {\n /**\n * Whether select all is currently active.\n */\n public isSelectAllActive: boolean;\n\n /**\n * The [x, y] position the selection starts at.\n */\n public selectionStart: [number, number];\n\n /**\n * The minimal length of the selection from the start position. When double\n * clicking on a word, the word will be selected which makes the selection\n * start at the start of the word and makes this variable the length.\n */\n public selectionStartLength: number;\n\n /**\n * The [x, y] position the selection ends at.\n */\n public selectionEnd: [number, number];\n\n constructor(\n private _terminal: ITerminal\n ) {\n this.clearSelection();\n }\n\n /**\n * Clears the current selection.\n */\n public clearSelection(): void {\n this.selectionStart = null;\n this.selectionEnd = null;\n this.isSelectAllActive = false;\n this.selectionStartLength = 0;\n }\n\n /**\n * The final selection start, taking into consideration select all.\n */\n public get finalSelectionStart(): [number, number] {\n if (this.isSelectAllActive) {\n return [0, 0];\n }\n\n if (!this.selectionEnd || !this.selectionStart) {\n return this.selectionStart;\n }\n\n return this.areSelectionValuesReversed() ? this.selectionEnd : this.selectionStart;\n }\n\n /**\n * The final selection end, taking into consideration select all, double click\n * word selection and triple click line selection.\n */\n public get finalSelectionEnd(): [number, number] {\n if (this.isSelectAllActive) {\n return [this._terminal.cols, this._terminal.ybase + this._terminal.rows - 1];\n }\n\n if (!this.selectionStart) {\n return null;\n }\n\n // Use the selection start if the end doesn't exist or they're reversed\n if (!this.selectionEnd || this.areSelectionValuesReversed()) {\n return [this.selectionStart[0] + this.selectionStartLength, this.selectionStart[1]];\n }\n\n // Ensure the the word/line is selected after a double/triple click\n if (this.selectionStartLength) {\n // Select the larger of the two when start and end are on the same line\n if (this.selectionEnd[1] === this.selectionStart[1]) {\n return [Math.max(this.selectionStart[0] + this.selectionStartLength, this.selectionEnd[0]), this.selectionEnd[1]];\n }\n }\n return this.selectionEnd;\n }\n\n /**\n * Returns whether the selection start and end are reversed.\n */\n public areSelectionValuesReversed(): boolean {\n const start = this.selectionStart;\n const end = this.selectionEnd;\n return start[1] > end[1] || (start[1] === end[1] && start[0] > end[0]);\n }\n\n /**\n * Handle the buffer being trimmed, adjust the selection position.\n * @param amount The amount the buffer is being trimmed.\n * @return Whether a refresh is necessary.\n */\n public onTrim(amount: number): boolean {\n // Adjust the selection position based on the trimmed amount.\n if (this.selectionStart) {\n this.selectionStart[1] -= amount;\n }\n if (this.selectionEnd) {\n this.selectionEnd[1] -= amount;\n }\n\n // The selection has moved off the buffer, clear it.\n if (this.selectionEnd && this.selectionEnd[1] < 0) {\n this.clearSelection();\n return true;\n }\n\n // If the selection start is trimmed, ensure the start column is 0.\n if (this.selectionStart && this.selectionStart[1] < 0) {\n this.selectionStart[1] = 0;\n }\n return false;\n }\n}\n","/**\n * @license MIT\n */\n\nimport * as Mouse from './utils/Mouse';\nimport * as Browser from './utils/Browser';\nimport { CharMeasure } from './utils/CharMeasure';\nimport { CircularList } from './utils/CircularList';\nimport { EventEmitter } from './EventEmitter';\nimport { ITerminal } from './Interfaces';\nimport { SelectionModel } from './SelectionModel';\n\n/**\n * The number of pixels the mouse needs to be above or below the viewport in\n * order to scroll at the maximum speed.\n */\nconst DRAG_SCROLL_MAX_THRESHOLD = 50;\n\n/**\n * The maximum scrolling speed\n */\nconst DRAG_SCROLL_MAX_SPEED = 15;\n\n/**\n * The number of milliseconds between drag scroll updates.\n */\nconst DRAG_SCROLL_INTERVAL = 50;\n\n/**\n * The amount of time before mousedown events are no longer stacked to create\n * double/triple click events.\n */\nconst CLEAR_MOUSE_DOWN_TIME = 400;\n\n/**\n * The number of pixels in each direction that the mouse must move before\n * mousedown events are no longer stacked to create double/triple click events.\n */\nconst CLEAR_MOUSE_DISTANCE = 10;\n\n/**\n * A string containing all characters that are considered word separated by the\n * double click to select work logic.\n */\nconst WORD_SEPARATORS = ' ()[]{}\\'\"';\n\n// TODO: Move these constants elsewhere, they belong in a buffer or buffer\n// data/line class.\nconst LINE_DATA_CHAR_INDEX = 1;\nconst LINE_DATA_WIDTH_INDEX = 2;\n\nconst NON_BREAKING_SPACE_CHAR = String.fromCharCode(160);\nconst ALL_NON_BREAKING_SPACE_REGEX = new RegExp(NON_BREAKING_SPACE_CHAR, 'g');\n\n/**\n * Represents a position of a word on a line.\n */\ninterface IWordPosition {\n start: number;\n length: number;\n}\n\n/**\n * A selection mode, this drives how the selection behaves on mouse move.\n */\nenum SelectionMode {\n NORMAL,\n WORD,\n LINE\n}\n\n/**\n * A class that manages the selection of the terminal. With help from\n * SelectionModel, SelectionManager handles with all logic associated with\n * dealing with the selection, including handling mouse interaction, wide\n * characters and fetching the actual text within the selection. Rendering is\n * not handled by the SelectionManager but a 'refresh' event is fired when the\n * selection is ready to be redrawn.\n */\nexport class SelectionManager extends EventEmitter {\n protected _model: SelectionModel;\n\n /**\n * The amount to scroll every drag scroll update (depends on how far the mouse\n * drag is above or below the terminal).\n */\n private _dragScrollAmount: number;\n\n /**\n * The last time the mousedown event fired, this is used to track double and\n * triple clicks.\n */\n private _lastMouseDownTime: number;\n\n /**\n * The last position the mouse was clicked [x, y].\n */\n private _lastMousePosition: [number, number];\n\n /**\n * The number of clicks of the mousedown event. This is used to keep track of\n * double and triple clicks.\n */\n private _clickCount: number;\n\n /**\n * The current selection mode.\n */\n private _activeSelectionMode: SelectionMode;\n\n /**\n * A setInterval timer that is active while the mouse is down whose callback\n * scrolls the viewport when necessary.\n */\n private _dragScrollIntervalTimer: NodeJS.Timer;\n\n /**\n * The animation frame ID used for refreshing the selection.\n */\n private _refreshAnimationFrame: number;\n\n private _bufferTrimListener: any;\n private _mouseMoveListener: EventListener;\n private _mouseDownListener: EventListener;\n private _mouseUpListener: EventListener;\n\n constructor(\n private _terminal: ITerminal,\n private _buffer: CircularList,\n private _rowContainer: HTMLElement,\n private _charMeasure: CharMeasure\n ) {\n super();\n this._initListeners();\n this.enable();\n\n this._model = new SelectionModel(_terminal);\n this._lastMouseDownTime = 0;\n this._activeSelectionMode = SelectionMode.NORMAL;\n }\n\n /**\n * Initializes listener variables.\n */\n private _initListeners() {\n this._bufferTrimListener = (amount: number) => this._onTrim(amount);\n this._mouseMoveListener = event => this._onMouseMove(event);\n this._mouseDownListener = event => this._onMouseDown(event);\n this._mouseUpListener = event => this._onMouseUp(event);\n }\n\n /**\n * Disables the selection manager. This is useful for when terminal mouse\n * are enabled.\n */\n public disable() {\n this.clearSelection();\n this._buffer.off('trim', this._bufferTrimListener);\n this._rowContainer.removeEventListener('mousedown', this._mouseDownListener);\n }\n\n /**\n * Enable the selection manager.\n */\n public enable() {\n // Only adjust the selection on trim, shiftElements is rarely used (only in\n // reverseIndex) and delete in a splice is only ever used when the same\n // number of elements was just added. Given this is could actually be\n // beneficial to leave the selection as is for these cases.\n this._buffer.on('trim', this._bufferTrimListener);\n this._rowContainer.addEventListener('mousedown', this._mouseDownListener);\n }\n\n /**\n * Sets the active buffer, this should be called when the alt buffer is\n * switched in or out.\n * @param buffer The active buffer.\n */\n public setBuffer(buffer: CircularList): void {\n this._buffer = buffer;\n this.clearSelection();\n }\n\n /**\n * Gets whether there is an active text selection.\n */\n public get hasSelection(): boolean {\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n if (!start || !end) {\n return false;\n }\n return start[0] !== end[0] || start[1] !== end[1];\n }\n\n /**\n * Gets the text currently selected.\n */\n public get selectionText(): string {\n const start = this._model.finalSelectionStart;\n const end = this._model.finalSelectionEnd;\n if (!start || !end) {\n return '';\n }\n\n // Get first row\n const startRowEndCol = start[1] === end[1] ? end[0] : null;\n let result: string[] = [];\n result.push(this._translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));\n\n // Get middle rows\n for (let i = start[1] + 1; i <= end[1] - 1; i++) {\n const bufferLine = this._buffer.get(i);\n const lineText = this._translateBufferLineToString(bufferLine, true);\n if (bufferLine.isWrapped) {\n result[result.length - 1] += lineText;\n } else {\n result.push(lineText);\n }\n }\n\n // Get final row\n if (start[1] !== end[1]) {\n const bufferLine = this._buffer.get(end[1]);\n const lineText = this._translateBufferLineToString(bufferLine, true, 0, end[0]);\n if (bufferLine.isWrapped) {\n result[result.length - 1] += lineText;\n } else {\n result.push(lineText);\n }\n }\n\n // Format string by replacing non-breaking space chars with regular spaces\n // and joining the array into a multi-line string.\n const formattedResult = result.map(line => {\n return line.replace(ALL_NON_BREAKING_SPACE_REGEX, ' ');\n }).join(Browser.isMSWindows ? '\\r\\n' : '\\n');\n\n return formattedResult;\n }\n\n /**\n * Clears the current terminal selection.\n */\n public clearSelection(): void {\n this._model.clearSelection();\n this._removeMouseDownListeners();\n this.refresh();\n }\n\n /**\n * Translates a buffer line to a string, with optional start and end columns.\n * Wide characters will count as two columns in the resulting string. This\n * function is useful for getting the actual text underneath the raw selection\n * position.\n * @param line The line being translated.\n * @param trimRight Whether to trim whitespace to the right.\n * @param startCol The column to start at.\n * @param endCol The column to end at.\n */\n private _translateBufferLineToString(line: any, trimRight: boolean, startCol: number = 0, endCol: number = null): string {\n // TODO: This function should live in a buffer or buffer line class\n\n // Get full line\n let lineString = '';\n let widthAdjustedStartCol = startCol;\n let widthAdjustedEndCol = endCol;\n for (let i = 0; i < line.length; i++) {\n const char = line[i];\n lineString += char[LINE_DATA_CHAR_INDEX];\n // Adjust start and end cols for wide characters if they affect their\n // column indexes\n if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n if (startCol >= i) {\n widthAdjustedStartCol--;\n }\n if (endCol >= i) {\n widthAdjustedEndCol--;\n }\n }\n }\n\n // Calculate the final end col by trimming whitespace on the right of the\n // line if needed.\n let finalEndCol = widthAdjustedEndCol || line.length;\n if (trimRight) {\n const rightWhitespaceIndex = lineString.search(/\\s+$/);\n if (rightWhitespaceIndex !== -1) {\n finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex);\n }\n // Return the empty string if only trimmed whitespace is selected\n if (finalEndCol <= widthAdjustedStartCol) {\n return '';\n }\n }\n\n return lineString.substring(widthAdjustedStartCol, finalEndCol);\n }\n\n /**\n * Queues a refresh, redrawing the selection on the next opportunity.\n * @param isNewSelection Whether the selection should be registered as a new\n * selection on Linux.\n */\n public refresh(isNewSelection?: boolean): void {\n // Queue the refresh for the renderer\n if (!this._refreshAnimationFrame) {\n this._refreshAnimationFrame = window.requestAnimationFrame(() => this._refresh());\n }\n\n // If the platform is Linux and the refresh call comes from a mouse event,\n // we need to update the selection for middle click to paste selection.\n if (Browser.isLinux && isNewSelection) {\n const selectionText = this.selectionText;\n if (selectionText.length) {\n this.emit('newselection', this.selectionText);\n }\n }\n }\n\n /**\n * Fires the refresh event, causing consumers to pick it up and redraw the\n * selection state.\n */\n private _refresh(): void {\n this._refreshAnimationFrame = null;\n this.emit('refresh', { start: this._model.finalSelectionStart, end: this._model.finalSelectionEnd });\n }\n\n /**\n * Selects all text within the terminal.\n */\n public selectAll(): void {\n this._model.isSelectAllActive = true;\n this.refresh();\n }\n\n /**\n * Handle the buffer being trimmed, adjust the selection position.\n * @param amount The amount the buffer is being trimmed.\n */\n private _onTrim(amount: number) {\n const needsRefresh = this._model.onTrim(amount);\n if (needsRefresh) {\n this.refresh();\n }\n }\n\n /**\n * Gets the 0-based [x, y] buffer coordinates of the current mouse event.\n * @param event The mouse event.\n */\n private _getMouseBufferCoords(event: MouseEvent): [number, number] {\n const coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true);\n // Convert to 0-based\n coords[0]--;\n coords[1]--;\n // Convert viewport coords to buffer coords\n coords[1] += this._terminal.ydisp;\n return coords;\n }\n\n /**\n * Gets the amount the viewport should be scrolled based on how far out of the\n * terminal the mouse is.\n * @param event The mouse event.\n */\n private _getMouseEventScrollAmount(event: MouseEvent): number {\n let offset = Mouse.getCoordsRelativeToElement(event, this._rowContainer)[1];\n const terminalHeight = this._terminal.rows * this._charMeasure.height;\n if (offset >= 0 && offset <= terminalHeight) {\n return 0;\n }\n if (offset > terminalHeight) {\n offset -= terminalHeight;\n }\n\n offset = Math.min(Math.max(offset, -DRAG_SCROLL_MAX_THRESHOLD), DRAG_SCROLL_MAX_THRESHOLD);\n offset /= DRAG_SCROLL_MAX_THRESHOLD;\n return (offset / Math.abs(offset)) + Math.round(offset * (DRAG_SCROLL_MAX_SPEED - 1));\n }\n\n /**\n * Handles te mousedown event, setting up for a new selection.\n * @param event The mousedown event.\n */\n private _onMouseDown(event: MouseEvent) {\n // Only action the primary button\n if (event.button !== 0) {\n return;\n }\n\n // Tell the browser not to start a regular selection\n event.preventDefault();\n\n // Reset drag scroll state\n this._dragScrollAmount = 0;\n\n this._setMouseClickCount(event);\n\n if (event.shiftKey) {\n this._onShiftClick(event);\n } else {\n if (this._clickCount === 1) {\n this._onSingleClick(event);\n } else if (this._clickCount === 2) {\n this._onDoubleClick(event);\n } else if (this._clickCount === 3) {\n this._onTripleClick(event);\n }\n }\n\n this._addMouseDownListeners();\n this.refresh(true);\n }\n\n /**\n * Adds listeners when mousedown is triggered.\n */\n private _addMouseDownListeners(): void {\n // Listen on the document so that dragging outside of viewport works\n this._rowContainer.ownerDocument.addEventListener('mousemove', this._mouseMoveListener);\n this._rowContainer.ownerDocument.addEventListener('mouseup', this._mouseUpListener);\n this._dragScrollIntervalTimer = setInterval(() => this._dragScroll(), DRAG_SCROLL_INTERVAL);\n }\n\n /**\n * Removes the listeners that are registered when mousedown is triggered.\n */\n private _removeMouseDownListeners(): void {\n this._rowContainer.ownerDocument.removeEventListener('mousemove', this._mouseMoveListener);\n this._rowContainer.ownerDocument.removeEventListener('mouseup', this._mouseUpListener);\n clearInterval(this._dragScrollIntervalTimer);\n this._dragScrollIntervalTimer = null;\n }\n\n /**\n * Performs a shift click, setting the selection end position to the mouse\n * position.\n * @param event The mouse event.\n */\n private _onShiftClick(event: MouseEvent): void {\n if (this._model.selectionStart) {\n this._model.selectionEnd = this._getMouseBufferCoords(event);\n }\n }\n\n /**\n * Performs a single click, resetting relevant state and setting the selection\n * start position.\n * @param event The mouse event.\n */\n private _onSingleClick(event: MouseEvent): void {\n this._model.selectionStartLength = 0;\n this._model.isSelectAllActive = false;\n this._activeSelectionMode = SelectionMode.NORMAL;\n this._model.selectionStart = this._getMouseBufferCoords(event);\n if (this._model.selectionStart) {\n this._model.selectionEnd = null;\n // If the mouse is over the second half of a wide character, adjust the\n // selection to cover the whole character\n const char = this._buffer.get(this._model.selectionStart[1])[this._model.selectionStart[0]];\n if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n this._model.selectionStart[0]++;\n }\n }\n }\n\n /**\n * Performs a double click, selecting the current work.\n * @param event The mouse event.\n */\n private _onDoubleClick(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._activeSelectionMode = SelectionMode.WORD;\n this._selectWordAt(coords);\n }\n }\n\n /**\n * Performs a triple click, selecting the current line and activating line\n * select mode.\n * @param event The mouse event.\n */\n private _onTripleClick(event: MouseEvent): void {\n const coords = this._getMouseBufferCoords(event);\n if (coords) {\n this._activeSelectionMode = SelectionMode.LINE;\n this._selectLineAt(coords[1]);\n }\n }\n\n /**\n * Sets the number of clicks for the current mousedown event based on the time\n * and position of the last mousedown event.\n * @param event The mouse event.\n */\n private _setMouseClickCount(event: MouseEvent): void {\n let currentTime = (new Date()).getTime();\n if (currentTime - this._lastMouseDownTime > CLEAR_MOUSE_DOWN_TIME || this._distanceFromLastMousePosition(event) > CLEAR_MOUSE_DISTANCE) {\n this._clickCount = 0;\n }\n this._lastMouseDownTime = currentTime;\n this._lastMousePosition = [event.pageX, event.pageY];\n this._clickCount++;\n }\n\n /**\n * Gets the maximum number of pixels in each direction the mouse has moved.\n * @param event The mouse event.\n */\n private _distanceFromLastMousePosition(event: MouseEvent): number {\n const result = Math.max(\n Math.abs(this._lastMousePosition[0] - event.pageX),\n Math.abs(this._lastMousePosition[1] - event.pageY));\n return result;\n }\n\n /**\n * Handles the mousemove event when the mouse button is down, recording the\n * end of the selection and refreshing the selection.\n * @param event The mousemove event.\n */\n private _onMouseMove(event: MouseEvent) {\n // Record the previous position so we know whether to redraw the selection\n // at the end.\n const previousSelectionEnd = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;\n\n // Set the initial selection end based on the mouse coordinates\n this._model.selectionEnd = this._getMouseBufferCoords(event);\n\n // Select the entire line if line select mode is active.\n if (this._activeSelectionMode === SelectionMode.LINE) {\n if (this._model.selectionEnd[1] < this._model.selectionStart[1]) {\n this._model.selectionEnd[0] = 0;\n } else {\n this._model.selectionEnd[0] = this._terminal.cols;\n }\n } else if (this._activeSelectionMode === SelectionMode.WORD) {\n this._selectToWordAt(this._model.selectionEnd);\n }\n\n // Determine the amount of scrolling that will happen.\n this._dragScrollAmount = this._getMouseEventScrollAmount(event);\n\n // If the cursor was above or below the viewport, make sure it's at the\n // start or end of the viewport respectively.\n if (this._dragScrollAmount > 0) {\n this._model.selectionEnd[0] = this._terminal.cols - 1;\n } else if (this._dragScrollAmount < 0) {\n this._model.selectionEnd[0] = 0;\n }\n\n // If the character is a wide character include the cell to the right in the\n // selection. Note that selections at the very end of the line will never\n // have a character.\n if (this._model.selectionEnd[1] < this._buffer.length) {\n const char = this._buffer.get(this._model.selectionEnd[1])[this._model.selectionEnd[0]];\n if (char && char[2] === 0) {\n this._model.selectionEnd[0]++;\n }\n }\n\n // Only draw here if the selection changes.\n if (!previousSelectionEnd ||\n previousSelectionEnd[0] !== this._model.selectionEnd[0] ||\n previousSelectionEnd[1] !== this._model.selectionEnd[1]) {\n this.refresh(true);\n }\n }\n\n /**\n * The callback that occurs every DRAG_SCROLL_INTERVAL ms that does the\n * scrolling of the viewport.\n */\n private _dragScroll() {\n if (this._dragScrollAmount) {\n this._terminal.scrollDisp(this._dragScrollAmount, false);\n // Re-evaluate selection\n if (this._dragScrollAmount > 0) {\n this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.ydisp + this._terminal.rows];\n } else {\n this._model.selectionEnd = [0, this._terminal.ydisp];\n }\n this.refresh();\n }\n }\n\n /**\n * Handles the mouseup event, removing the mousedown listeners.\n * @param event The mouseup event.\n */\n private _onMouseUp(event: MouseEvent) {\n this._removeMouseDownListeners();\n }\n\n /**\n * Converts a viewport column to the character index on the buffer line, the\n * latter takes into account wide characters.\n * @param coords The coordinates to find the 2 index for.\n */\n private _convertViewportColToCharacterIndex(bufferLine: any, coords: [number, number]): number {\n let charIndex = coords[0];\n for (let i = 0; coords[0] >= i; i++) {\n const char = bufferLine[i];\n if (char[LINE_DATA_WIDTH_INDEX] === 0) {\n charIndex--;\n }\n }\n return charIndex;\n }\n\n /**\n * Gets positional information for the word at the coordinated specified.\n * @param coords The coordinates to get the word at.\n */\n private _getWordAt(coords: [number, number]): IWordPosition {\n const bufferLine = this._buffer.get(coords[1]);\n const line = this._translateBufferLineToString(bufferLine, false);\n\n // Get actual index, taking into consideration wide characters\n let endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);\n let startIndex = endIndex;\n\n // Record offset to be used later\n const charOffset = coords[0] - startIndex;\n let leftWideCharCount = 0;\n let rightWideCharCount = 0;\n\n if (line.charAt(startIndex) === ' ') {\n // Expand until non-whitespace is hit\n while (startIndex > 0 && line.charAt(startIndex - 1) === ' ') {\n startIndex--;\n }\n while (endIndex < line.length && line.charAt(endIndex + 1) === ' ') {\n endIndex++;\n }\n } else {\n // Expand until whitespace is hit. This algorithm works by scanning left\n // and right from the starting position, keeping both the index format\n // (line) and the column format (bufferLine) in sync. When a wide\n // character is hit, it is recorded and the column index is adjusted.\n let startCol = coords[0];\n let endCol = coords[0];\n // Consider the initial position, skip it and increment the wide char\n // variable\n if (bufferLine[startCol][LINE_DATA_WIDTH_INDEX] === 0) {\n leftWideCharCount++;\n startCol--;\n }\n if (bufferLine[endCol][LINE_DATA_WIDTH_INDEX] === 2) {\n rightWideCharCount++;\n endCol++;\n }\n // Expand the string in both directions until a space is hit\n while (startIndex > 0 && !this._isCharWordSeparator(line.charAt(startIndex - 1))) {\n if (bufferLine[startCol - 1][LINE_DATA_WIDTH_INDEX] === 0) {\n // If the next character is a wide char, record it and skip the column\n leftWideCharCount++;\n startCol--;\n }\n startIndex--;\n startCol--;\n }\n while (endIndex + 1 < line.length && !this._isCharWordSeparator(line.charAt(endIndex + 1))) {\n if (bufferLine[endCol + 1][LINE_DATA_WIDTH_INDEX] === 2) {\n // If the next character is a wide char, record it and skip the column\n rightWideCharCount++;\n endCol++;\n }\n endIndex++;\n endCol++;\n }\n }\n\n const start = startIndex + charOffset - leftWideCharCount;\n const length = Math.min(endIndex - startIndex + leftWideCharCount + rightWideCharCount + 1/*include endIndex char*/, this._terminal.cols);\n return {start, length};\n }\n\n /**\n * Selects the word at the coordinates specified.\n * @param coords The coordinates to get the word at.\n */\n protected _selectWordAt(coords: [number, number]): void {\n const wordPosition = this._getWordAt(coords);\n this._model.selectionStart = [wordPosition.start, coords[1]];\n this._model.selectionStartLength = wordPosition.length;\n }\n\n /**\n * Sets the selection end to the word at the coordinated specified.\n * @param coords The coordinates to get the word at.\n */\n private _selectToWordAt(coords: [number, number]): void {\n const wordPosition = this._getWordAt(coords);\n this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];\n }\n\n /**\n * Gets whether the character is considered a word separator by the select\n * word logic.\n * @param char The character to check.\n */\n private _isCharWordSeparator(char: string): boolean {\n return WORD_SEPARATORS.indexOf(char) >= 0;\n }\n\n /**\n * Selects the line specified.\n * @param line The line index.\n */\n protected _selectLineAt(line: number): void {\n this._model.selectionStart = [0, line];\n this._model.selectionStartLength = this._terminal.cols;\n }\n}\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\nimport { DomElementObjectPool } from './utils/DomElementObjectPool';\n\n/**\n * The maximum number of refresh frames to skip when the write buffer is non-\n * empty. Note that these frames may be intermingled with frames that are\n * skipped via requestAnimationFrame's mechanism.\n */\nconst MAX_REFRESH_FRAME_SKIP = 5;\n\n/**\n * Flags used to render terminal text properly.\n */\nenum FLAGS {\n BOLD = 1,\n UNDERLINE = 2,\n BLINK = 4,\n INVERSE = 8,\n INVISIBLE = 16\n};\n\nlet brokenBold: boolean = null;\n\nexport class Renderer {\n /** A queue of the rows to be refreshed */\n private _refreshRowsQueue: {start: number, end: number}[] = [];\n private _refreshFramesSkipped = 0;\n private _refreshAnimationFrame = null;\n\n private _spanElementObjectPool = new DomElementObjectPool('span');\n\n constructor(private _terminal: ITerminal) {\n // Figure out whether boldness affects\n // the character width of monospace fonts.\n if (brokenBold === null) {\n brokenBold = checkBoldBroken((this._terminal).element);\n }\n this._spanElementObjectPool = new DomElementObjectPool('span');\n\n // TODO: Pull more DOM interactions into Renderer.constructor, element for\n // example should be owned by Renderer (and also exposed by Terminal due to\n // to established public API).\n }\n\n /**\n * Queues a refresh between two rows (inclusive), to be done on next animation\n * frame.\n * @param {number} start The start row.\n * @param {number} end The end row.\n */\n public queueRefresh(start: number, end: number): void {\n this._refreshRowsQueue.push({ start: start, end: end });\n if (!this._refreshAnimationFrame) {\n this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n }\n }\n\n /**\n * Performs the refresh loop callback, calling refresh only if a refresh is\n * necessary before queueing up the next one.\n */\n private _refreshLoop(): void {\n // Skip MAX_REFRESH_FRAME_SKIP frames if the writeBuffer is non-empty as it\n // will need to be immediately refreshed anyway. This saves a lot of\n // rendering time as the viewport DOM does not need to be refreshed, no\n // scroll events, no layouts, etc.\n const skipFrame = this._terminal.writeBuffer.length > 0 && this._refreshFramesSkipped++ <= MAX_REFRESH_FRAME_SKIP;\n if (skipFrame) {\n this._refreshAnimationFrame = window.requestAnimationFrame(this._refreshLoop.bind(this));\n return;\n }\n\n this._refreshFramesSkipped = 0;\n let start;\n let end;\n if (this._refreshRowsQueue.length > 4) {\n // Just do a full refresh when 5+ refreshes are queued\n start = 0;\n end = this._terminal.rows - 1;\n } else {\n // Get start and end rows that need refreshing\n start = this._refreshRowsQueue[0].start;\n end = this._refreshRowsQueue[0].end;\n for (let i = 1; i < this._refreshRowsQueue.length; i++) {\n if (this._refreshRowsQueue[i].start < start) {\n start = this._refreshRowsQueue[i].start;\n }\n if (this._refreshRowsQueue[i].end > end) {\n end = this._refreshRowsQueue[i].end;\n }\n }\n }\n this._refreshRowsQueue = [];\n this._refreshAnimationFrame = null;\n this._refresh(start, end);\n }\n\n /**\n * Refreshes (re-renders) terminal content within two rows (inclusive)\n *\n * Rendering Engine:\n *\n * In the screen buffer, each character is stored as a an array with a character\n * and a 32-bit integer:\n * - First value: a utf-16 character.\n * - Second value:\n * - Next 9 bits: background color (0-511).\n * - Next 9 bits: foreground color (0-511).\n * - Next 14 bits: a mask for misc. flags:\n * - 1=bold\n * - 2=underline\n * - 4=blink\n * - 8=inverse\n * - 16=invisible\n *\n * @param {number} start The row to start from (between 0 and terminal's height terminal - 1)\n * @param {number} end The row to end at (between fromRow and terminal's height terminal - 1)\n */\n private _refresh(start: number, end: number): void {\n // If this is a big refresh, remove the terminal rows from the DOM for faster calculations\n let parent;\n if (end - start >= this._terminal.rows / 2) {\n parent = this._terminal.element.parentNode;\n if (parent) {\n this._terminal.element.removeChild(this._terminal.rowContainer);\n }\n }\n\n let width = this._terminal.cols;\n let y = start;\n\n if (end >= this._terminal.rows) {\n this._terminal.log('`end` is too large. Most likely a bad CSR.');\n end = this._terminal.rows - 1;\n }\n\n for (; y <= end; y++) {\n let row = y + this._terminal.ydisp;\n\n let line = this._terminal.lines.get(row);\n\n let x;\n if (this._terminal.y === y - (this._terminal.ybase - this._terminal.ydisp) &&\n this._terminal.cursorState &&\n !this._terminal.cursorHidden) {\n x = this._terminal.x;\n } else {\n x = -1;\n }\n\n let attr = this._terminal.defAttr;\n\n const documentFragment = document.createDocumentFragment();\n let innerHTML = '';\n let currentElement;\n\n // Return the row's spans to the pool\n while (this._terminal.children[y].children.length) {\n const child = this._terminal.children[y].children[0];\n this._terminal.children[y].removeChild(child);\n this._spanElementObjectPool.release(child);\n }\n\n for (let i = 0; i < width; i++) {\n // TODO: Could data be a more specific type?\n let data: any = line[i][0];\n const ch = line[i][1];\n const ch_width: any = line[i][2];\n if (!ch_width) {\n continue;\n }\n\n if (i === x) {\n data = -1;\n }\n\n if (data !== attr) {\n if (attr !== this._terminal.defAttr) {\n if (innerHTML) {\n currentElement.innerHTML = innerHTML;\n innerHTML = '';\n }\n documentFragment.appendChild(currentElement);\n currentElement = null;\n }\n if (data !== this._terminal.defAttr) {\n if (innerHTML && !currentElement) {\n currentElement = this._spanElementObjectPool.acquire();\n }\n if (currentElement) {\n if (innerHTML) {\n currentElement.innerHTML = innerHTML;\n innerHTML = '';\n }\n documentFragment.appendChild(currentElement);\n }\n currentElement = this._spanElementObjectPool.acquire();\n if (data === -1) {\n currentElement.classList.add('reverse-video');\n currentElement.classList.add('terminal-cursor');\n } else {\n let bg = data & 0x1ff;\n let fg = (data >> 9) & 0x1ff;\n let flags = data >> 18;\n\n if (flags & FLAGS.BOLD) {\n if (!brokenBold) {\n currentElement.classList.add('xterm-bold');\n }\n // See: XTerm*boldColors\n if (fg < 8) {\n fg += 8;\n }\n }\n\n if (flags & FLAGS.UNDERLINE) {\n currentElement.classList.add('xterm-underline');\n }\n\n if (flags & FLAGS.BLINK) {\n currentElement.classList.add('xterm-blink');\n }\n\n // If inverse flag is on, then swap the foreground and background variables.\n if (flags & FLAGS.INVERSE) {\n let temp = bg;\n bg = fg;\n fg = temp;\n // Should inverse just be before the above boldColors effect instead?\n if ((flags & 1) && fg < 8) {\n fg += 8;\n }\n }\n\n if (flags & FLAGS.INVISIBLE) {\n currentElement.classList.add('xterm-hidden');\n }\n\n /**\n * Weird situation: Invert flag used black foreground and white background results\n * in invalid background color, positioned at the 256 index of the 256 terminal\n * color map. Pin the colors manually in such a case.\n *\n * Source: https://github.com/sourcelair/xterm.js/issues/57\n */\n if (flags & FLAGS.INVERSE) {\n if (bg === 257) {\n bg = 15;\n }\n if (fg === 256) {\n fg = 0;\n }\n }\n\n if (bg < 256) {\n currentElement.classList.add(`xterm-bg-color-${bg}`);\n }\n\n if (fg < 256) {\n currentElement.classList.add(`xterm-color-${fg}`);\n }\n }\n }\n }\n\n if (ch_width === 2) {\n // Wrap wide characters so they're sized correctly. It's more difficult to release these\n // from the object pool so just create new ones via innerHTML.\n innerHTML += `${ch}`;\n } else if (ch.charCodeAt(0) > 255) {\n // Wrap any non-wide unicode character as some fonts size them badly\n innerHTML += `${ch}`;\n } else {\n switch (ch) {\n case '&':\n innerHTML += '&';\n break;\n case '<':\n innerHTML += '<';\n break;\n case '>':\n innerHTML += '>';\n break;\n default:\n if (ch <= ' ') {\n innerHTML += ' ';\n } else {\n innerHTML += ch;\n }\n break;\n }\n }\n\n attr = data;\n }\n\n if (innerHTML && !currentElement) {\n currentElement = this._spanElementObjectPool.acquire();\n }\n if (currentElement) {\n if (innerHTML) {\n currentElement.innerHTML = innerHTML;\n innerHTML = '';\n }\n documentFragment.appendChild(currentElement);\n currentElement = null;\n }\n\n this._terminal.children[y].appendChild(documentFragment);\n }\n\n if (parent) {\n this._terminal.element.appendChild(this._terminal.rowContainer);\n }\n\n this._terminal.emit('refresh', {element: this._terminal.element, start: start, end: end});\n };\n\n /**\n * Refreshes the selection in the DOM.\n * @param start The selection start.\n * @param end The selection end.\n */\n public refreshSelection(start: [number, number], end: [number, number]) {\n // Remove all selections\n while (this._terminal.selectionContainer.children.length) {\n this._terminal.selectionContainer.removeChild(this._terminal.selectionContainer.children[0]);\n }\n\n // Selection does not exist\n if (!start || !end) {\n return;\n }\n\n // Translate from buffer position to viewport position\n const viewportStartRow = start[1] - this._terminal.ydisp;\n const viewportEndRow = end[1] - this._terminal.ydisp;\n const viewportCappedStartRow = Math.max(viewportStartRow, 0);\n const viewportCappedEndRow = Math.min(viewportEndRow, this._terminal.rows - 1);\n\n // No need to draw the selection\n if (viewportCappedStartRow >= this._terminal.rows || viewportCappedEndRow < 0) {\n return;\n }\n\n // Create the selections\n const documentFragment = document.createDocumentFragment();\n // Draw first row\n const startCol = viewportStartRow === viewportCappedStartRow ? start[0] : 0;\n const endCol = viewportCappedStartRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow, startCol, endCol));\n // Draw middle rows\n const middleRowsCount = viewportCappedEndRow - viewportCappedStartRow - 1;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedStartRow + 1, 0, this._terminal.cols, middleRowsCount));\n // Draw final row\n if (viewportCappedStartRow !== viewportCappedEndRow) {\n // Only draw viewportEndRow if it's not the same as viewporttartRow\n const endCol = viewportEndRow === viewportCappedEndRow ? end[0] : this._terminal.cols;\n documentFragment.appendChild(this._createSelectionElement(viewportCappedEndRow, 0, endCol));\n }\n this._terminal.selectionContainer.appendChild(documentFragment);\n }\n\n /**\n * Creates a selection element at the specified position.\n * @param row The row of the selection.\n * @param colStart The start column.\n * @param colEnd The end columns.\n */\n private _createSelectionElement(row: number, colStart: number, colEnd: number, rowCount: number = 1): HTMLElement {\n const element = document.createElement('div');\n element.style.height = `${rowCount * this._terminal.charMeasure.height}px`;\n element.style.top = `${row * this._terminal.charMeasure.height}px`;\n element.style.left = `${colStart * this._terminal.charMeasure.width}px`;\n element.style.width = `${this._terminal.charMeasure.width * (colEnd - colStart)}px`;\n return element;\n }\n}\n\n\n// If bold is broken, we can't use it in the terminal.\nfunction checkBoldBroken(terminal) {\n const document = terminal.ownerDocument;\n const el = document.createElement('span');\n el.innerHTML = 'hello world';\n terminal.appendChild(el);\n const w1 = el.offsetWidth;\n const h1 = el.offsetHeight;\n el.style.fontWeight = 'bold';\n const w2 = el.offsetWidth;\n const h2 = el.offsetHeight;\n terminal.removeChild(el);\n return w1 !== w2 || h1 !== h2;\n}\n","/**\n * @license MIT\n */\n\nimport { C0 } from './EscapeSequences';\nimport { IInputHandler } from './Interfaces';\nimport { CHARSETS, DEFAULT_CHARSET } from './Charsets';\n\nconst normalStateHandler: {[key: string]: (parser: Parser, handler: IInputHandler) => void} = {};\nnormalStateHandler[C0.BEL] = (parser, handler) => handler.bell();\nnormalStateHandler[C0.LF] = (parser, handler) => handler.lineFeed();\nnormalStateHandler[C0.VT] = normalStateHandler[C0.LF];\nnormalStateHandler[C0.FF] = normalStateHandler[C0.LF];\nnormalStateHandler[C0.CR] = (parser, handler) => handler.carriageReturn();\nnormalStateHandler[C0.BS] = (parser, handler) => handler.backspace();\nnormalStateHandler[C0.HT] = (parser, handler) => handler.tab();\nnormalStateHandler[C0.SO] = (parser, handler) => handler.shiftOut();\nnormalStateHandler[C0.SI] = (parser, handler) => handler.shiftIn();\nnormalStateHandler[C0.ESC] = (parser, handler) => parser.setState(ParserState.ESCAPED);\n\n// TODO: Remove terminal when parser owns params and currentParam\nconst escapedStateHandler: {[key: string]: (parser: Parser, terminal: any) => void} = {};\nescapedStateHandler['['] = (parser, terminal) => {\n // ESC [ Control Sequence Introducer (CSI is 0x9b)\n terminal.params = [];\n terminal.currentParam = 0;\n parser.setState(ParserState.CSI_PARAM);\n};\nescapedStateHandler[']'] = (parser, terminal) => {\n // ESC ] Operating System Command (OSC is 0x9d)\n terminal.params = [];\n terminal.currentParam = 0;\n parser.setState(ParserState.OSC);\n};\nescapedStateHandler['P'] = (parser, terminal) => {\n // ESC P Device Control String (DCS is 0x90)\n terminal.params = [];\n terminal.currentParam = 0;\n parser.setState(ParserState.DCS);\n};\nescapedStateHandler['_'] = (parser, terminal) => {\n // ESC _ Application Program Command ( APC is 0x9f).\n parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['^'] = (parser, terminal) => {\n // ESC ^ Privacy Message ( PM is 0x9e).\n parser.setState(ParserState.IGNORE);\n};\nescapedStateHandler['c'] = (parser, terminal) => {\n // ESC c Full Reset (RIS).\n terminal.reset();\n};\nescapedStateHandler['E'] = (parser, terminal) => {\n // ESC E Next Line ( NEL is 0x85).\n terminal.x = 0;\n terminal.index();\n parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['D'] = (parser, terminal) => {\n // ESC D Index ( IND is 0x84).\n terminal.index();\n parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['M'] = (parser, terminal) => {\n // ESC M Reverse Index ( RI is 0x8d).\n terminal.reverseIndex();\n parser.setState(ParserState.NORMAL);\n};\nescapedStateHandler['%'] = (parser, terminal) => {\n // ESC % Select default/utf-8 character set.\n // @ = default, G = utf-8\n terminal.setgLevel(0);\n terminal.setgCharset(0, DEFAULT_CHARSET); // US (default)\n parser.setState(ParserState.NORMAL);\n parser.skipNextChar();\n};\nescapedStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);\n\nconst csiParamStateHandler: {[key: string]: (parser: Parser) => void} = {};\ncsiParamStateHandler['?'] = (parser) => parser.setPrefix('?');\ncsiParamStateHandler['>'] = (parser) => parser.setPrefix('>');\ncsiParamStateHandler['!'] = (parser) => parser.setPrefix('!');\ncsiParamStateHandler['0'] = (parser) => parser.setParam(parser.getParam() * 10);\ncsiParamStateHandler['1'] = (parser) => parser.setParam(parser.getParam() * 10 + 1);\ncsiParamStateHandler['2'] = (parser) => parser.setParam(parser.getParam() * 10 + 2);\ncsiParamStateHandler['3'] = (parser) => parser.setParam(parser.getParam() * 10 + 3);\ncsiParamStateHandler['4'] = (parser) => parser.setParam(parser.getParam() * 10 + 4);\ncsiParamStateHandler['5'] = (parser) => parser.setParam(parser.getParam() * 10 + 5);\ncsiParamStateHandler['6'] = (parser) => parser.setParam(parser.getParam() * 10 + 6);\ncsiParamStateHandler['7'] = (parser) => parser.setParam(parser.getParam() * 10 + 7);\ncsiParamStateHandler['8'] = (parser) => parser.setParam(parser.getParam() * 10 + 8);\ncsiParamStateHandler['9'] = (parser) => parser.setParam(parser.getParam() * 10 + 9);\ncsiParamStateHandler['$'] = (parser) => parser.setPostfix('$');\ncsiParamStateHandler['\"'] = (parser) => parser.setPostfix('\"');\ncsiParamStateHandler[' '] = (parser) => parser.setPostfix(' ');\ncsiParamStateHandler['\\''] = (parser) => parser.setPostfix('\\'');\ncsiParamStateHandler[';'] = (parser) => parser.finalizeParam();\ncsiParamStateHandler[C0.CAN] = (parser) => parser.setState(ParserState.NORMAL);\n\nconst csiStateHandler: {[key: string]: (handler: IInputHandler, params: number[], prefix: string, postfix: string, parser: Parser) => void} = {};\ncsiStateHandler['@'] = (handler, params, prefix) => handler.insertChars(params);\ncsiStateHandler['A'] = (handler, params, prefix) => handler.cursorUp(params);\ncsiStateHandler['B'] = (handler, params, prefix) => handler.cursorDown(params);\ncsiStateHandler['C'] = (handler, params, prefix) => handler.cursorForward(params);\ncsiStateHandler['D'] = (handler, params, prefix) => handler.cursorBackward(params);\ncsiStateHandler['E'] = (handler, params, prefix) => handler.cursorNextLine(params);\ncsiStateHandler['F'] = (handler, params, prefix) => handler.cursorPrecedingLine(params);\ncsiStateHandler['G'] = (handler, params, prefix) => handler.cursorCharAbsolute(params);\ncsiStateHandler['H'] = (handler, params, prefix) => handler.cursorPosition(params);\ncsiStateHandler['I'] = (handler, params, prefix) => handler.cursorForwardTab(params);\ncsiStateHandler['J'] = (handler, params, prefix) => handler.eraseInDisplay(params);\ncsiStateHandler['K'] = (handler, params, prefix) => handler.eraseInLine(params);\ncsiStateHandler['L'] = (handler, params, prefix) => handler.insertLines(params);\ncsiStateHandler['M'] = (handler, params, prefix) => handler.deleteLines(params);\ncsiStateHandler['P'] = (handler, params, prefix) => handler.deleteChars(params);\ncsiStateHandler['S'] = (handler, params, prefix) => handler.scrollUp(params);\ncsiStateHandler['T'] = (handler, params, prefix) => {\n if (params.length < 2 && !prefix) {\n handler.scrollDown(params);\n }\n};\ncsiStateHandler['X'] = (handler, params, prefix) => handler.eraseChars(params);\ncsiStateHandler['Z'] = (handler, params, prefix) => handler.cursorBackwardTab(params);\ncsiStateHandler['`'] = (handler, params, prefix) => handler.charPosAbsolute(params);\ncsiStateHandler['a'] = (handler, params, prefix) => handler.HPositionRelative(params);\ncsiStateHandler['b'] = (handler, params, prefix) => handler.repeatPrecedingCharacter(params);\ncsiStateHandler['c'] = (handler, params, prefix) => handler.sendDeviceAttributes(params);\ncsiStateHandler['d'] = (handler, params, prefix) => handler.linePosAbsolute(params);\ncsiStateHandler['e'] = (handler, params, prefix) => handler.VPositionRelative(params);\ncsiStateHandler['f'] = (handler, params, prefix) => handler.HVPosition(params);\ncsiStateHandler['g'] = (handler, params, prefix) => handler.tabClear(params);\ncsiStateHandler['h'] = (handler, params, prefix) => handler.setMode(params);\ncsiStateHandler['l'] = (handler, params, prefix) => handler.resetMode(params);\ncsiStateHandler['m'] = (handler, params, prefix) => handler.charAttributes(params);\ncsiStateHandler['n'] = (handler, params, prefix) => handler.deviceStatus(params);\ncsiStateHandler['p'] = (handler, params, prefix) => {\n switch (prefix) {\n case '!': handler.softReset(params); break;\n }\n};\ncsiStateHandler['q'] = (handler, params, prefix, postfix) => {\n if (postfix === ' ') {\n handler.setCursorStyle(params);\n }\n};\ncsiStateHandler['r'] = (handler, params) => handler.setScrollRegion(params);\ncsiStateHandler['s'] = (handler, params) => handler.saveCursor(params);\ncsiStateHandler['u'] = (handler, params) => handler.restoreCursor(params);\ncsiStateHandler[C0.CAN] = (handler, params, prefix, postfix, parser) => parser.setState(ParserState.NORMAL);\n\nenum ParserState {\n NORMAL = 0,\n ESCAPED = 1,\n CSI_PARAM = 2,\n CSI = 3,\n OSC = 4,\n CHARSET = 5,\n DCS = 6,\n IGNORE = 7\n}\n\n/**\n * The terminal's parser, all input into the terminal goes through the parser\n * which parses and defers the actual input handling the the IInputHandler\n * specified in the constructor.\n */\nexport class Parser {\n private _state: ParserState;\n private _position: number;\n\n // TODO: Remove terminal when handler can do everything\n constructor(\n private _inputHandler: IInputHandler,\n private _terminal: any\n ) {\n this._state = ParserState.NORMAL;\n }\n\n /**\n * Parse and handle data.\n *\n * @param data The data to parse.\n */\n public parse(data: string): ParserState {\n let l = data.length, j, cs, ch, code, low;\n\n this._position = 0;\n // apply leftover surrogate high from last write\n if (this._terminal.surrogate_high) {\n data = this._terminal.surrogate_high + data;\n this._terminal.surrogate_high = '';\n }\n\n for (; this._position < l; this._position++) {\n ch = data[this._position];\n\n // FIXME: higher chars than 0xa0 are not allowed in escape sequences\n // --> maybe move to default\n code = data.charCodeAt(this._position);\n if (0xD800 <= code && code <= 0xDBFF) {\n // we got a surrogate high\n // get surrogate low (next 2 bytes)\n low = data.charCodeAt(this._position + 1);\n if (isNaN(low)) {\n // end of data stream, save surrogate high\n this._terminal.surrogate_high = ch;\n continue;\n }\n code = ((code - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;\n ch += data.charAt(this._position + 1);\n }\n // surrogate low - already handled above\n if (0xDC00 <= code && code <= 0xDFFF)\n continue;\n\n switch (this._state) {\n case ParserState.NORMAL:\n if (ch in normalStateHandler) {\n normalStateHandler[ch](this, this._inputHandler);\n } else {\n this._inputHandler.addChar(ch, code);\n }\n break;\n case ParserState.ESCAPED:\n if (ch in escapedStateHandler) {\n escapedStateHandler[ch](this, this._terminal);\n // Skip switch as it was just handled\n break;\n }\n switch (ch) {\n\n // ESC (,),*,+,-,. Designate G0-G2 Character Set.\n case '(': // <-- this seems to get all the attention\n case ')':\n case '*':\n case '+':\n case '-':\n case '.':\n switch (ch) {\n case '(':\n this._terminal.gcharset = 0;\n break;\n case ')':\n this._terminal.gcharset = 1;\n break;\n case '*':\n this._terminal.gcharset = 2;\n break;\n case '+':\n this._terminal.gcharset = 3;\n break;\n case '-':\n this._terminal.gcharset = 1;\n break;\n case '.':\n this._terminal.gcharset = 2;\n break;\n }\n this._state = ParserState.CHARSET;\n break;\n\n // Designate G3 Character Set (VT300).\n // A = ISO Latin-1 Supplemental.\n // Not implemented.\n case '/':\n this._terminal.gcharset = 3;\n this._state = ParserState.CHARSET;\n this._position--;\n break;\n\n // ESC N\n // Single Shift Select of G2 Character Set\n // ( SS2 is 0x8e). This affects next character only.\n case 'N':\n break;\n // ESC O\n // Single Shift Select of G3 Character Set\n // ( SS3 is 0x8f). This affects next character only.\n case 'O':\n break;\n // ESC n\n // Invoke the G2 Character Set as GL (LS2).\n case 'n':\n this._terminal.setgLevel(2);\n break;\n // ESC o\n // Invoke the G3 Character Set as GL (LS3).\n case 'o':\n this._terminal.setgLevel(3);\n break;\n // ESC |\n // Invoke the G3 Character Set as GR (LS3R).\n case '|':\n this._terminal.setgLevel(3);\n break;\n // ESC }\n // Invoke the G2 Character Set as GR (LS2R).\n case '}':\n this._terminal.setgLevel(2);\n break;\n // ESC ~\n // Invoke the G1 Character Set as GR (LS1R).\n case '~':\n this._terminal.setgLevel(1);\n break;\n\n // ESC 7 Save Cursor (DECSC).\n case '7':\n this._inputHandler.saveCursor();\n this._state = ParserState.NORMAL;\n break;\n\n // ESC 8 Restore Cursor (DECRC).\n case '8':\n this._inputHandler.restoreCursor();\n this._state = ParserState.NORMAL;\n break;\n\n // ESC # 3 DEC line height/width\n case '#':\n this._state = ParserState.NORMAL;\n this._position++;\n break;\n\n // ESC H Tab Set (HTS is 0x88).\n case 'H':\n this._terminal.tabSet();\n this._state = ParserState.NORMAL;\n break;\n\n // ESC = Application Keypad (DECKPAM).\n case '=':\n this._terminal.log('Serial port requested application keypad.');\n this._terminal.applicationKeypad = true;\n this._terminal.viewport.syncScrollArea();\n this._state = ParserState.NORMAL;\n break;\n\n // ESC > Normal Keypad (DECKPNM).\n case '>':\n this._terminal.log('Switching back to normal keypad.');\n this._terminal.applicationKeypad = false;\n this._terminal.viewport.syncScrollArea();\n this._state = ParserState.NORMAL;\n break;\n\n default:\n this._state = ParserState.NORMAL;\n this._terminal.error('Unknown ESC control: %s.', ch);\n break;\n }\n break;\n\n case ParserState.CHARSET:\n if (ch in CHARSETS) {\n cs = CHARSETS[ch];\n if (ch === '/') { // ISOLatin is actually /A\n this.skipNextChar();\n }\n } else {\n cs = DEFAULT_CHARSET;\n }\n this._terminal.setgCharset(this._terminal.gcharset, cs);\n this._terminal.gcharset = null;\n this._state = ParserState.NORMAL;\n break;\n\n case ParserState.OSC:\n // OSC Ps ; Pt ST\n // OSC Ps ; Pt BEL\n // Set Text Parameters.\n if (ch === C0.ESC || ch === C0.BEL) {\n if (ch === C0.ESC) this._position++;\n\n this._terminal.params.push(this._terminal.currentParam);\n\n switch (this._terminal.params[0]) {\n case 0:\n case 1:\n case 2:\n if (this._terminal.params[1]) {\n this._terminal.title = this._terminal.params[1];\n this._terminal.handleTitle(this._terminal.title);\n }\n break;\n case 3:\n // set X property\n break;\n case 4:\n case 5:\n // change dynamic colors\n break;\n case 10:\n case 11:\n case 12:\n case 13:\n case 14:\n case 15:\n case 16:\n case 17:\n case 18:\n case 19:\n // change dynamic ui colors\n break;\n case 46:\n // change log file\n break;\n case 50:\n // dynamic font\n break;\n case 51:\n // emacs shell\n break;\n case 52:\n // manipulate selection data\n break;\n case 104:\n case 105:\n case 110:\n case 111:\n case 112:\n case 113:\n case 114:\n case 115:\n case 116:\n case 117:\n case 118:\n // reset colors\n break;\n }\n\n this._terminal.params = [];\n this._terminal.currentParam = 0;\n this._state = ParserState.NORMAL;\n } else {\n if (!this._terminal.params.length) {\n if (ch >= '0' && ch <= '9') {\n this._terminal.currentParam =\n this._terminal.currentParam * 10 + ch.charCodeAt(0) - 48;\n } else if (ch === ';') {\n this._terminal.params.push(this._terminal.currentParam);\n this._terminal.currentParam = '';\n }\n } else {\n this._terminal.currentParam += ch;\n }\n }\n break;\n\n case ParserState.CSI_PARAM:\n if (ch in csiParamStateHandler) {\n csiParamStateHandler[ch](this);\n break;\n }\n this.finalizeParam();\n // Fall through the CSI as this character should be the CSI code.\n this._state = ParserState.CSI;\n\n case ParserState.CSI:\n if (ch in csiStateHandler) {\n csiStateHandler[ch](this._inputHandler, this._terminal.params, this._terminal.prefix, this._terminal.postfix, this);\n } else {\n this._terminal.error('Unknown CSI code: %s.', ch);\n }\n\n this._state = ParserState.NORMAL;\n this._terminal.prefix = '';\n this._terminal.postfix = '';\n break;\n\n case ParserState.DCS:\n if (ch === C0.ESC || ch === C0.BEL) {\n if (ch === C0.ESC) this._position++;\n let pt;\n let valid: boolean;\n\n switch (this._terminal.prefix) {\n // User-Defined Keys (DECUDK).\n case '':\n break;\n\n // Request Status String (DECRQSS).\n // test: echo -e '\\eP$q\"p\\e\\\\'\n case '$q':\n pt = this._terminal.currentParam;\n valid = false;\n\n switch (pt) {\n // DECSCA\n case '\"q':\n pt = '0\"q';\n break;\n\n // DECSCL\n case '\"p':\n pt = '61\"p';\n break;\n\n // DECSTBM\n case 'r':\n pt = ''\n + (this._terminal.scrollTop + 1)\n + ';'\n + (this._terminal.scrollBottom + 1)\n + 'r';\n break;\n\n // SGR\n case 'm':\n pt = '0m';\n break;\n\n default:\n this._terminal.error('Unknown DCS Pt: %s.', pt);\n pt = '';\n break;\n }\n\n this._terminal.send(C0.ESC + 'P' + +valid + '$r' + pt + C0.ESC + '\\\\');\n break;\n\n // Set Termcap/Terminfo Data (xterm, experimental).\n case '+p':\n break;\n\n // Request Termcap/Terminfo String (xterm, experimental)\n // Regular xterm does not even respond to this sequence.\n // This can cause a small glitch in vim.\n // test: echo -ne '\\eP+q6b64\\e\\\\'\n case '+q':\n pt = this._terminal.currentParam;\n valid = false;\n\n this._terminal.send(C0.ESC + 'P' + +valid + '+r' + pt + C0.ESC + '\\\\');\n break;\n\n default:\n this._terminal.error('Unknown DCS prefix: %s.', this._terminal.prefix);\n break;\n }\n\n this._terminal.currentParam = 0;\n this._terminal.prefix = '';\n this._state = ParserState.NORMAL;\n } else if (!this._terminal.currentParam) {\n if (!this._terminal.prefix && ch !== '$' && ch !== '+') {\n this._terminal.currentParam = ch;\n } else if (this._terminal.prefix.length === 2) {\n this._terminal.currentParam = ch;\n } else {\n this._terminal.prefix += ch;\n }\n } else {\n this._terminal.currentParam += ch;\n }\n break;\n\n case ParserState.IGNORE:\n // For PM and APC.\n if (ch === C0.ESC || ch === C0.BEL) {\n if (ch === C0.ESC) this._position++;\n this._state = ParserState.NORMAL;\n }\n break;\n }\n }\n return this._state;\n }\n\n /**\n * Set the parser's current parsing state.\n *\n * @param state The new state.\n */\n public setState(state: ParserState): void {\n this._state = state;\n }\n\n /**\n * Sets the parsier's current prefix. CSI codes can have prefixes of '?', '>'\n * or '!'.\n *\n * @param prefix The prefix.\n */\n public setPrefix(prefix: string): void {\n this._terminal.prefix = prefix;\n }\n\n /**\n * Sets the parsier's current prefix. CSI codes can have postfixes of '$',\n * '\"', ' ', '\\''.\n *\n * @param postfix The postfix.\n */\n public setPostfix(postfix: string): void {\n this._terminal.postfix = postfix;\n }\n\n /**\n * Sets the parser's current parameter.\n *\n * @param param the parameter.\n */\n public setParam(param: number) {\n this._terminal.currentParam = param;\n }\n\n /**\n * Gets the parser's current parameter.\n */\n public getParam(): number {\n return this._terminal.currentParam;\n }\n\n /**\n * Finalizes the parser's current parameter, adding it to the list of\n * parameters and setting the new current parameter to 0.\n */\n public finalizeParam(): void {\n this._terminal.params.push(this._terminal.currentParam);\n this._terminal.currentParam = 0;\n }\n\n /**\n * Tell the parser to skip the next character.\n */\n public skipNextChar(): void {\n this._position++;\n }\n\n /**\n * Tell the parser to repeat parsing the current character (for example if it\n * needs parsing using a different state.\n */\n // public repeatChar(): void {\n // this._position--;\n // }\n}\n","/**\n * @license MIT\n */\n\nimport { LinkMatcherOptions } from './Interfaces';\nimport { LinkMatcher, LinkMatcherHandler, LinkMatcherValidationCallback } from './Types';\n\nconst INVALID_LINK_CLASS = 'xterm-invalid-link';\n\nconst protocolClause = '(https?:\\\\/\\\\/)';\nconst domainCharacterSet = '[\\\\da-z\\\\.-]+';\nconst negatedDomainCharacterSet = '[^\\\\da-z\\\\.-]+';\nconst domainBodyClause = '(' + domainCharacterSet + ')';\nconst tldClause = '([a-z\\\\.]{2,6})';\nconst ipClause = '((\\\\d{1,3}\\\\.){3}\\\\d{1,3})';\nconst localHostClause = '(localhost)';\nconst portClause = '(:\\\\d{1,5})';\nconst hostClause = '((' + domainBodyClause + '\\\\.' + tldClause + ')|' + ipClause + '|' + localHostClause + ')' + portClause + '?';\nconst pathClause = '(\\\\/[\\\\/\\\\w\\\\.\\\\-%~]*)*';\nconst queryStringHashFragmentCharacterSet = '[0-9\\\\w\\\\[\\\\]\\\\(\\\\)\\\\/\\\\?\\\\!#@$%&\\'*+,:;~\\\\=\\\\.\\\\-]*';\nconst queryStringClause = '(\\\\?' + queryStringHashFragmentCharacterSet + ')?';\nconst hashFragmentClause = '(#' + queryStringHashFragmentCharacterSet + ')?';\nconst negatedPathCharacterSet = '[^\\\\/\\\\w\\\\.\\\\-%]+';\nconst bodyClause = hostClause + pathClause + queryStringClause + hashFragmentClause;\nconst start = '(?:^|' + negatedDomainCharacterSet + ')(';\nconst end = ')($|' + negatedPathCharacterSet + ')';\nconst strictUrlRegex = new RegExp(start + protocolClause + bodyClause + end);\n\n/**\n * The ID of the built in http(s) link matcher.\n */\nconst HYPERTEXT_LINK_MATCHER_ID = 0;\n\n/**\n * The Linkifier applies links to rows shortly after they have been refreshed.\n */\nexport class Linkifier {\n /**\n * The time to wait after a row is changed before it is linkified. This prevents\n * the costly operation of searching every row multiple times, potentially a\n * huge amount of times.\n */\n protected static TIME_BEFORE_LINKIFY = 200;\n\n protected _linkMatchers: LinkMatcher[];\n\n private _document: Document;\n private _rows: HTMLElement[];\n private _rowTimeoutIds: number[];\n private _nextLinkMatcherId = HYPERTEXT_LINK_MATCHER_ID;\n\n constructor() {\n this._rowTimeoutIds = [];\n this._linkMatchers = [];\n this.registerLinkMatcher(strictUrlRegex, null, { matchIndex: 1 });\n }\n\n /**\n * Attaches the linkifier to the DOM, enabling linkification.\n * @param document The document object.\n * @param rows The array of rows to apply links to.\n */\n public attachToDom(document: Document, rows: HTMLElement[]) {\n this._document = document;\n this._rows = rows;\n }\n\n /**\n * Queues a row for linkification.\n * @param {number} rowIndex The index of the row to linkify.\n */\n public linkifyRow(rowIndex: number): void {\n // Don't attempt linkify if not yet attached to DOM\n if (!this._document) {\n return;\n }\n\n const timeoutId = this._rowTimeoutIds[rowIndex];\n if (timeoutId) {\n clearTimeout(timeoutId);\n }\n this._rowTimeoutIds[rowIndex] = setTimeout(this._linkifyRow.bind(this, rowIndex), Linkifier.TIME_BEFORE_LINKIFY);\n }\n\n /**\n * Attaches a handler for hypertext links, overriding default behavior\n * for standard http(s) links.\n * @param {LinkHandler} handler The handler to use, this can be cleared with\n * null.\n */\n public setHypertextLinkHandler(handler: LinkMatcherHandler): void {\n this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].handler = handler;\n }\n\n /**\n * Attaches a validation callback for hypertext links.\n * @param {LinkMatcherValidationCallback} callback The callback to use, this\n * can be cleared with null.\n */\n public setHypertextValidationCallback(callback: LinkMatcherValidationCallback): void {\n this._linkMatchers[HYPERTEXT_LINK_MATCHER_ID].validationCallback = callback;\n }\n\n /**\n * Registers a link matcher, allowing custom link patterns to be matched and\n * handled.\n * @param {RegExp} regex The regular expression to search for, specifically\n * this searches the textContent of the rows. You will want to use \\s to match\n * a space ' ' character for example.\n * @param {LinkHandler} handler The callback when the link is called.\n * @param {LinkMatcherOptions} [options] Options for the link matcher.\n * @return {number} The ID of the new matcher, this can be used to deregister.\n */\n public registerLinkMatcher(regex: RegExp, handler: LinkMatcherHandler, options: LinkMatcherOptions = {}): number {\n if (this._nextLinkMatcherId !== HYPERTEXT_LINK_MATCHER_ID && !handler) {\n throw new Error('handler must be defined');\n }\n const matcher: LinkMatcher = {\n id: this._nextLinkMatcherId++,\n regex,\n handler,\n matchIndex: options.matchIndex,\n validationCallback: options.validationCallback,\n priority: options.priority || 0\n };\n this._addLinkMatcherToList(matcher);\n return matcher.id;\n }\n\n /**\n * Inserts a link matcher to the list in the correct position based on the\n * priority of each link matcher. New link matchers of equal priority are\n * considered after older link matchers.\n * @param matcher The link matcher to be added.\n */\n private _addLinkMatcherToList(matcher: LinkMatcher): void {\n if (this._linkMatchers.length === 0) {\n this._linkMatchers.push(matcher);\n return;\n }\n\n for (let i = this._linkMatchers.length - 1; i >= 0; i--) {\n if (matcher.priority <= this._linkMatchers[i].priority) {\n this._linkMatchers.splice(i + 1, 0, matcher);\n return;\n }\n }\n\n this._linkMatchers.splice(0, 0, matcher);\n }\n\n /**\n * Deregisters a link matcher if it has been registered.\n * @param {number} matcherId The link matcher's ID (returned after register)\n * @return {boolean} Whether a link matcher was found and deregistered.\n */\n public deregisterLinkMatcher(matcherId: number): boolean {\n // ID 0 is the hypertext link matcher which cannot be deregistered\n for (let i = 1; i < this._linkMatchers.length; i++) {\n if (this._linkMatchers[i].id === matcherId) {\n this._linkMatchers.splice(i, 1);\n return true;\n }\n }\n return false;\n }\n\n /**\n * Linkifies a row.\n * @param {number} rowIndex The index of the row to linkify.\n */\n private _linkifyRow(rowIndex: number): void {\n const row = this._rows[rowIndex];\n if (!row) {\n return;\n }\n const text = row.textContent;\n for (let i = 0; i < this._linkMatchers.length; i++) {\n const matcher = this._linkMatchers[i];\n const linkElements = this._doLinkifyRow(row, matcher);\n if (linkElements.length > 0) {\n // Fire validation callback\n if (matcher.validationCallback) {\n for (let j = 0; j < linkElements.length; j++) {\n const element = linkElements[j];\n matcher.validationCallback(element.textContent, element, isValid => {\n if (!isValid) {\n element.classList.add(INVALID_LINK_CLASS);\n }\n });\n }\n }\n // Only allow a single LinkMatcher to trigger on any given row.\n return;\n }\n }\n }\n\n /**\n * Linkifies a row given a specific handler.\n * @param {HTMLElement} row The row to linkify.\n * @param {LinkMatcher} matcher The link matcher for this line.\n * @return The link element(s) that were added.\n */\n private _doLinkifyRow(row: HTMLElement, matcher: LinkMatcher): HTMLElement[] {\n // Iterate over nodes as we want to consider text nodes\n let result = [];\n const isHttpLinkMatcher = matcher.id === HYPERTEXT_LINK_MATCHER_ID;\n const nodes = row.childNodes;\n\n // Find the first match\n let match = row.textContent.match(matcher.regex);\n if (!match || match.length === 0) {\n return result;\n }\n let uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n // Set the next searches start index\n let rowStartIndex = match.index + uri.length;\n\n for (let i = 0; i < nodes.length; i++) {\n const node = nodes[i];\n const searchIndex = node.textContent.indexOf(uri);\n if (searchIndex >= 0) {\n const linkElement = this._createAnchorElement(uri, matcher.handler, isHttpLinkMatcher);\n if (node.textContent.length === uri.length) {\n // Matches entire string\n if (node.nodeType === 3 /*Node.TEXT_NODE*/) {\n this._replaceNode(node, linkElement);\n } else {\n const element = (node);\n if (element.nodeName === 'A') {\n // This row has already been linkified\n return result;\n }\n element.innerHTML = '';\n element.appendChild(linkElement);\n }\n } else if (node.childNodes.length > 1) {\n // Matches part of string in an element with multiple child nodes\n for (let j = 0; j < node.childNodes.length; j++) {\n const childNode = node.childNodes[j];\n const childSearchIndex = childNode.textContent.indexOf(uri);\n if (childSearchIndex !== -1) {\n // Match found in currentNode\n this._replaceNodeSubstringWithNode(childNode, linkElement, uri, childSearchIndex);\n // Don't need to count nodesAdded by replacing the node as this\n // is a child node, not a top-level node.\n break;\n }\n }\n } else {\n // Matches part of string in a single text node\n const nodesAdded = this._replaceNodeSubstringWithNode(node, linkElement, uri, searchIndex);\n // No need to consider the new nodes\n i += nodesAdded;\n }\n result.push(linkElement);\n\n // Find the next match\n match = row.textContent.substring(rowStartIndex).match(matcher.regex);\n if (!match || match.length === 0) {\n return result;\n }\n uri = match[typeof matcher.matchIndex !== 'number' ? 0 : matcher.matchIndex];\n rowStartIndex += match.index + uri.length;\n }\n }\n return result;\n }\n\n /**\n * Creates a link anchor element.\n * @param {string} uri The uri of the link.\n * @return {HTMLAnchorElement} The link.\n */\n private _createAnchorElement(uri: string, handler: LinkMatcherHandler, isHypertextLinkHandler: boolean): HTMLAnchorElement {\n const element = this._document.createElement('a');\n element.textContent = uri;\n element.draggable = false;\n if (isHypertextLinkHandler) {\n element.href = uri;\n // Force link on another tab so work is not lost\n element.target = '_blank';\n element.addEventListener('click', (event: MouseEvent) => {\n if (handler) {\n return handler(event, uri);\n }\n });\n } else {\n element.addEventListener('click', (event: MouseEvent) => {\n // Don't execute the handler if the link is flagged as invalid\n if (element.classList.contains(INVALID_LINK_CLASS)) {\n return;\n }\n return handler(event, uri);\n });\n }\n return element;\n }\n\n /**\n * Replace a node with 1 or more other nodes.\n * @param {Node} oldNode The node to replace.\n * @param {Node[]} newNodes The new nodes to insert in order.\n */\n private _replaceNode(oldNode: Node, ...newNodes: Node[]): void {\n const parent = oldNode.parentNode;\n for (let i = 0; i < newNodes.length; i++) {\n parent.insertBefore(newNodes[i], oldNode);\n }\n parent.removeChild(oldNode);\n }\n\n /**\n * Replace a substring within a node with a new node.\n * @param {Node} targetNode The target node; either a text node or a \n * containing a single text node.\n * @param {Node} newNode The new node to insert.\n * @param {string} substring The substring to replace.\n * @param {number} substringIndex The index of the substring within the string.\n * @return The number of nodes to skip when searching for the next uri.\n */\n private _replaceNodeSubstringWithNode(targetNode: Node, newNode: Node, substring: string, substringIndex: number): number {\n // If the targetNode is a non-text node with a single child, make the child\n // the new targetNode.\n if (targetNode.childNodes.length === 1) {\n targetNode = targetNode.childNodes[0];\n }\n\n // The targetNode will be either a text node or a . The text node\n // (targetNode or its only-child) needs to be replaced with newNode plus new\n // text nodes potentially on either side.\n if (targetNode.nodeType !== 3/*Node.TEXT_NODE*/) {\n throw new Error('targetNode must be a text node or only contain a single text node');\n }\n\n const fullText = targetNode.textContent;\n\n if (substringIndex === 0) {\n // Replace with \n const rightText = fullText.substring(substring.length);\n const rightTextNode = this._document.createTextNode(rightText);\n this._replaceNode(targetNode, newNode, rightTextNode);\n return 0;\n }\n\n if (substringIndex === targetNode.textContent.length - substring.length) {\n // Replace with \n const leftText = fullText.substring(0, substringIndex);\n const leftTextNode = this._document.createTextNode(leftText);\n this._replaceNode(targetNode, leftTextNode, newNode);\n return 0;\n }\n\n // Replace with \n const leftText = fullText.substring(0, substringIndex);\n const leftTextNode = this._document.createTextNode(leftText);\n const rightText = fullText.substring(substringIndex + substring.length);\n const rightTextNode = this._document.createTextNode(rightText);\n this._replaceNode(targetNode, leftTextNode, newNode, rightTextNode);\n return 1;\n }\n}\n","/**\n * @license MIT\n */\n\nimport { IInputHandler, ITerminal } from './Interfaces';\nimport { C0 } from './EscapeSequences';\nimport { DEFAULT_CHARSET } from './Charsets';\n\n/**\n * The terminal's standard implementation of IInputHandler, this handles all\n * input from the Parser.\n *\n * Refer to http://invisible-island.net/xterm/ctlseqs/ctlseqs.html to understand\n * each function's header comment.\n */\nexport class InputHandler implements IInputHandler {\n // TODO: We want to type _terminal when it's pulled into TS\n constructor(private _terminal: any) { }\n\n public addChar(char: string, code: number): void {\n if (char >= ' ') {\n // calculate print space\n // expensive call, therefore we save width in line buffer\n const ch_width = wcwidth(code);\n\n if (this._terminal.charset && this._terminal.charset[char]) {\n char = this._terminal.charset[char];\n }\n\n let row = this._terminal.y + this._terminal.ybase;\n\n // insert combining char in last cell\n // FIXME: needs handling after cursor jumps\n if (!ch_width && this._terminal.x) {\n // dont overflow left\n if (this._terminal.lines.get(row)[this._terminal.x - 1]) {\n if (!this._terminal.lines.get(row)[this._terminal.x - 1][2]) {\n\n // found empty cell after fullwidth, need to go 2 cells back\n if (this._terminal.lines.get(row)[this._terminal.x - 2])\n this._terminal.lines.get(row)[this._terminal.x - 2][1] += char;\n\n } else {\n this._terminal.lines.get(row)[this._terminal.x - 1][1] += char;\n }\n this._terminal.updateRange(this._terminal.y);\n }\n return;\n }\n\n // goto next line if ch would overflow\n // TODO: needs a global min terminal width of 2\n if (this._terminal.x + ch_width - 1 >= this._terminal.cols) {\n // autowrap - DECAWM\n if (this._terminal.wraparoundMode) {\n this._terminal.x = 0;\n this._terminal.y++;\n if (this._terminal.y > this._terminal.scrollBottom) {\n // Insert a new line, scroll and mark as a wrapped line\n this._terminal.y--;\n this._terminal.scroll(true);\n } else {\n // The line already exists (eg. the initial viewport), mark it as a\n // wrapped line\n this._terminal.lines.get(this._terminal.y).isWrapped = true;\n }\n } else {\n if (ch_width === 2) // FIXME: check for xterm behavior\n return;\n }\n }\n row = this._terminal.y + this._terminal.ybase;\n\n // insert mode: move characters to right\n if (this._terminal.insertMode) {\n // do this twice for a fullwidth char\n for (let moves = 0; moves < ch_width; ++moves) {\n // remove last cell, if it's width is 0\n // we have to adjust the second last cell as well\n const removed = this._terminal.lines.get(this._terminal.y + this._terminal.ybase).pop();\n if (removed[2] === 0\n && this._terminal.lines.get(row)[this._terminal.cols - 2]\n && this._terminal.lines.get(row)[this._terminal.cols - 2][2] === 2) {\n this._terminal.lines.get(row)[this._terminal.cols - 2] = [this._terminal.curAttr, ' ', 1];\n }\n\n // insert empty cell at cursor\n this._terminal.lines.get(row).splice(this._terminal.x, 0, [this._terminal.curAttr, ' ', 1]);\n }\n }\n\n this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, char, ch_width];\n this._terminal.x++;\n this._terminal.updateRange(this._terminal.y);\n\n // fullwidth char - set next cell width to zero and advance cursor\n if (ch_width === 2) {\n this._terminal.lines.get(row)[this._terminal.x] = [this._terminal.curAttr, '', 0];\n this._terminal.x++;\n }\n }\n }\n\n /**\n * BEL\n * Bell (Ctrl-G).\n */\n public bell(): void {\n if (!this._terminal.visualBell) {\n return;\n }\n this._terminal.element.style.borderColor = 'white';\n setTimeout(() => this._terminal.element.style.borderColor = '', 10);\n if (this._terminal.popOnBell) {\n this._terminal.focus();\n }\n }\n\n /**\n * LF\n * Line Feed or New Line (NL). (LF is Ctrl-J).\n */\n public lineFeed(): void {\n if (this._terminal.convertEol) {\n this._terminal.x = 0;\n }\n this._terminal.y++;\n if (this._terminal.y > this._terminal.scrollBottom) {\n this._terminal.y--;\n this._terminal.scroll();\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x--;\n }\n }\n\n /**\n * CR\n * Carriage Return (Ctrl-M).\n */\n public carriageReturn(): void {\n this._terminal.x = 0;\n }\n\n /**\n * BS\n * Backspace (Ctrl-H).\n */\n public backspace(): void {\n if (this._terminal.x > 0) {\n this._terminal.x--;\n }\n }\n\n /**\n * TAB\n * Horizontal Tab (HT) (Ctrl-I).\n */\n public tab(): void {\n this._terminal.x = this._terminal.nextStop();\n }\n\n /**\n * SO\n * Shift Out (Ctrl-N) -> Switch to Alternate Character Set. This invokes the\n * G1 character set.\n */\n public shiftOut(): void {\n this._terminal.setgLevel(1);\n }\n\n /**\n * SI\n * Shift In (Ctrl-O) -> Switch to Standard Character Set. This invokes the G0\n * character set (the default).\n */\n public shiftIn(): void {\n this._terminal.setgLevel(0);\n }\n\n /**\n * CSI Ps @\n * Insert Ps (Blank) Character(s) (default = 1) (ICH).\n */\n public insertChars(params: number[]): void {\n let param, row, j, ch;\n\n param = params[0];\n if (param < 1) param = 1;\n\n row = this._terminal.y + this._terminal.ybase;\n j = this._terminal.x;\n ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this._terminal.cols) {\n this._terminal.lines.get(row).splice(j++, 0, ch);\n this._terminal.lines.get(row).pop();\n }\n }\n\n /**\n * CSI Ps A\n * Cursor Up Ps Times (default = 1) (CUU).\n */\n public cursorUp(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.y -= param;\n if (this._terminal.y < 0) {\n this._terminal.y = 0;\n }\n }\n\n /**\n * CSI Ps B\n * Cursor Down Ps Times (default = 1) (CUD).\n */\n public cursorDown(params: number[]) {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.y += param;\n if (this._terminal.y >= this._terminal.rows) {\n this._terminal.y = this._terminal.rows - 1;\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x--;\n }\n }\n\n /**\n * CSI Ps C\n * Cursor Forward Ps Times (default = 1) (CUF).\n */\n public cursorForward(params: number[]) {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.x += param;\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Ps D\n * Cursor Backward Ps Times (default = 1) (CUB).\n */\n public cursorBackward(params: number[]) {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x--;\n }\n this._terminal.x -= param;\n if (this._terminal.x < 0) {\n this._terminal.x = 0;\n }\n }\n\n /**\n * CSI Ps E\n * Cursor Next Line Ps Times (default = 1) (CNL).\n * same as CSI Ps B ?\n */\n public cursorNextLine(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.y += param;\n if (this._terminal.y >= this._terminal.rows) {\n this._terminal.y = this._terminal.rows - 1;\n }\n this._terminal.x = 0;\n };\n\n\n /**\n * CSI Ps F\n * Cursor Preceding Line Ps Times (default = 1) (CNL).\n * reuse CSI Ps A ?\n */\n public cursorPrecedingLine(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.y -= param;\n if (this._terminal.y < 0) {\n this._terminal.y = 0;\n }\n this._terminal.x = 0;\n };\n\n\n /**\n * CSI Ps G\n * Cursor Character Absolute [column] (default = [row,1]) (CHA).\n */\n public cursorCharAbsolute(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.x = param - 1;\n }\n\n /**\n * CSI Ps ; Ps H\n * Cursor Position [row;column] (default = [1,1]) (CUP).\n */\n public cursorPosition(params: number[]): void {\n let row, col;\n\n row = params[0] - 1;\n\n if (params.length >= 2) {\n col = params[1] - 1;\n } else {\n col = 0;\n }\n\n if (row < 0) {\n row = 0;\n } else if (row >= this._terminal.rows) {\n row = this._terminal.rows - 1;\n }\n\n if (col < 0) {\n col = 0;\n } else if (col >= this._terminal.cols) {\n col = this._terminal.cols - 1;\n }\n\n this._terminal.x = col;\n this._terminal.y = row;\n }\n\n /**\n * CSI Ps I\n * Cursor Forward Tabulation Ps tab stops (default = 1) (CHT).\n */\n public cursorForwardTab(params: number[]): void {\n let param = params[0] || 1;\n while (param--) {\n this._terminal.x = this._terminal.nextStop();\n }\n }\n\n /**\n * CSI Ps J Erase in Display (ED).\n * Ps = 0 -> Erase Below (default).\n * Ps = 1 -> Erase Above.\n * Ps = 2 -> Erase All.\n * Ps = 3 -> Erase Saved Lines (xterm).\n * CSI ? Ps J\n * Erase in Display (DECSED).\n * Ps = 0 -> Selective Erase Below (default).\n * Ps = 1 -> Selective Erase Above.\n * Ps = 2 -> Selective Erase All.\n */\n public eraseInDisplay(params: number[]): void {\n let j;\n switch (params[0]) {\n case 0:\n this._terminal.eraseRight(this._terminal.x, this._terminal.y);\n j = this._terminal.y + 1;\n for (; j < this._terminal.rows; j++) {\n this._terminal.eraseLine(j);\n }\n break;\n case 1:\n this._terminal.eraseLeft(this._terminal.x, this._terminal.y);\n j = this._terminal.y;\n while (j--) {\n this._terminal.eraseLine(j);\n }\n break;\n case 2:\n j = this._terminal.rows;\n while (j--) this._terminal.eraseLine(j);\n break;\n case 3:\n // Clear scrollback (everything not in viewport)\n const scrollBackSize = this._terminal.lines.length - this._terminal.rows;\n if (scrollBackSize > 0) {\n this._terminal.lines.trimStart(scrollBackSize);\n this._terminal.ybase = Math.max(this._terminal.ybase - scrollBackSize, 0);\n this._terminal.ydisp = Math.max(this._terminal.ydisp - scrollBackSize, 0);\n }\n break;\n }\n }\n\n /**\n * CSI Ps K Erase in Line (EL).\n * Ps = 0 -> Erase to Right (default).\n * Ps = 1 -> Erase to Left.\n * Ps = 2 -> Erase All.\n * CSI ? Ps K\n * Erase in Line (DECSEL).\n * Ps = 0 -> Selective Erase to Right (default).\n * Ps = 1 -> Selective Erase to Left.\n * Ps = 2 -> Selective Erase All.\n */\n public eraseInLine(params: number[]): void {\n switch (params[0]) {\n case 0:\n this._terminal.eraseRight(this._terminal.x, this._terminal.y);\n break;\n case 1:\n this._terminal.eraseLeft(this._terminal.x, this._terminal.y);\n break;\n case 2:\n this._terminal.eraseLine(this._terminal.y);\n break;\n }\n }\n\n /**\n * CSI Ps L\n * Insert Ps Line(s) (default = 1) (IL).\n */\n public insertLines(params: number[]): void {\n let param, row, j;\n\n param = params[0];\n if (param < 1) {\n param = 1;\n }\n row = this._terminal.y + this._terminal.ybase;\n\n j = this._terminal.rows - 1 - this._terminal.scrollBottom;\n j = this._terminal.rows - 1 + this._terminal.ybase - j + 1;\n\n while (param--) {\n if (this._terminal.lines.length === this._terminal.lines.maxLength) {\n // Trim the start of lines to make room for the new line\n this._terminal.lines.trimStart(1);\n this._terminal.ybase--;\n this._terminal.ydisp--;\n row--;\n j--;\n }\n // test: echo -e '\\e[44m\\e[1L\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this._terminal.lines.splice(row, 0, this._terminal.blankLine(true));\n this._terminal.lines.splice(j, 1);\n }\n\n // this.maxRange();\n this._terminal.updateRange(this._terminal.y);\n this._terminal.updateRange(this._terminal.scrollBottom);\n }\n\n /**\n * CSI Ps M\n * Delete Ps Line(s) (default = 1) (DL).\n */\n public deleteLines(params: number[]): void {\n let param, row, j;\n\n param = params[0];\n if (param < 1) {\n param = 1;\n }\n row = this._terminal.y + this._terminal.ybase;\n\n j = this._terminal.rows - 1 - this._terminal.scrollBottom;\n j = this._terminal.rows - 1 + this._terminal.ybase - j;\n\n while (param--) {\n if (this._terminal.lines.length === this._terminal.lines.maxLength) {\n // Trim the start of lines to make room for the new line\n this._terminal.lines.trimStart(1);\n this._terminal.ybase -= 1;\n this._terminal.ydisp -= 1;\n }\n // test: echo -e '\\e[44m\\e[1M\\e[0m'\n // blankLine(true) - xterm/linux behavior\n this._terminal.lines.splice(j + 1, 0, this._terminal.blankLine(true));\n this._terminal.lines.splice(row, 1);\n }\n\n // this.maxRange();\n this._terminal.updateRange(this._terminal.y);\n this._terminal.updateRange(this._terminal.scrollBottom);\n }\n\n /**\n * CSI Ps P\n * Delete Ps Character(s) (default = 1) (DCH).\n */\n public deleteChars(params: number[]): void {\n let param, row, ch;\n\n param = params[0];\n if (param < 1) {\n param = 1;\n }\n\n row = this._terminal.y + this._terminal.ybase;\n ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n while (param--) {\n this._terminal.lines.get(row).splice(this._terminal.x, 1);\n this._terminal.lines.get(row).push(ch);\n }\n }\n\n /**\n * CSI Ps S Scroll up Ps lines (default = 1) (SU).\n */\n public scrollUp(params: number[]): void {\n let param = params[0] || 1;\n while (param--) {\n this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 1);\n this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 0, this._terminal.blankLine());\n }\n // this.maxRange();\n this._terminal.updateRange(this._terminal.scrollTop);\n this._terminal.updateRange(this._terminal.scrollBottom);\n }\n\n /**\n * CSI Ps T Scroll down Ps lines (default = 1) (SD).\n */\n public scrollDown(params: number[]): void {\n let param = params[0] || 1;\n while (param--) {\n this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollBottom, 1);\n this._terminal.lines.splice(this._terminal.ybase + this._terminal.scrollTop, 0, this._terminal.blankLine());\n }\n // this.maxRange();\n this._terminal.updateRange(this._terminal.scrollTop);\n this._terminal.updateRange(this._terminal.scrollBottom);\n }\n\n /**\n * CSI Ps X\n * Erase Ps Character(s) (default = 1) (ECH).\n */\n public eraseChars(params: number[]): void {\n let param, row, j, ch;\n\n param = params[0];\n if (param < 1) {\n param = 1;\n }\n\n row = this._terminal.y + this._terminal.ybase;\n j = this._terminal.x;\n ch = [this._terminal.eraseAttr(), ' ', 1]; // xterm\n\n while (param-- && j < this._terminal.cols) {\n this._terminal.lines.get(row)[j++] = ch;\n }\n }\n\n /**\n * CSI Ps Z Cursor Backward Tabulation Ps tab stops (default = 1) (CBT).\n */\n public cursorBackwardTab(params: number[]): void {\n let param = params[0] || 1;\n while (param--) {\n this._terminal.x = this._terminal.prevStop();\n }\n }\n\n /**\n * CSI Pm ` Character Position Absolute\n * [column] (default = [row,1]) (HPA).\n */\n public charPosAbsolute(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.x = param - 1;\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Pm a Character Position Relative\n * [columns] (default = [row,col+1]) (HPR)\n * reuse CSI Ps C ?\n */\n public HPositionRelative(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.x += param;\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Ps b Repeat the preceding graphic character Ps times (REP).\n */\n public repeatPrecedingCharacter(params: number[]): void {\n let param = params[0] || 1\n , line = this._terminal.lines.get(this._terminal.ybase + this._terminal.y)\n , ch = line[this._terminal.x - 1] || [this._terminal.defAttr, ' ', 1];\n\n while (param--) {\n line[this._terminal.x++] = ch;\n }\n }\n\n /**\n * CSI Ps c Send Device Attributes (Primary DA).\n * Ps = 0 or omitted -> request attributes from terminal. The\n * response depends on the decTerminalID resource setting.\n * -> CSI ? 1 ; 2 c (``VT100 with Advanced Video Option'')\n * -> CSI ? 1 ; 0 c (``VT101 with No Options'')\n * -> CSI ? 6 c (``VT102'')\n * -> CSI ? 6 0 ; 1 ; 2 ; 6 ; 8 ; 9 ; 1 5 ; c (``VT220'')\n * The VT100-style response parameters do not mean anything by\n * themselves. VT220 parameters do, telling the host what fea-\n * tures the terminal supports:\n * Ps = 1 -> 132-columns.\n * Ps = 2 -> Printer.\n * Ps = 6 -> Selective erase.\n * Ps = 8 -> User-defined keys.\n * Ps = 9 -> National replacement character sets.\n * Ps = 1 5 -> Technical characters.\n * Ps = 2 2 -> ANSI color, e.g., VT525.\n * Ps = 2 9 -> ANSI text locator (i.e., DEC Locator mode).\n * CSI > Ps c\n * Send Device Attributes (Secondary DA).\n * Ps = 0 or omitted -> request the terminal's identification\n * code. The response depends on the decTerminalID resource set-\n * ting. It should apply only to VT220 and up, but xterm extends\n * this to VT100.\n * -> CSI > Pp ; Pv ; Pc c\n * where Pp denotes the terminal type\n * Pp = 0 -> ``VT100''.\n * Pp = 1 -> ``VT220''.\n * and Pv is the firmware version (for xterm, this was originally\n * the XFree86 patch number, starting with 95). In a DEC termi-\n * nal, Pc indicates the ROM cartridge registration number and is\n * always zero.\n * More information:\n * xterm/charproc.c - line 2012, for more information.\n * vim responds with ^[[?0c or ^[[?1c after the terminal's response (?)\n */\n public sendDeviceAttributes(params: number[]): void {\n if (params[0] > 0) {\n return;\n }\n\n if (!this._terminal.prefix) {\n if (this._terminal.is('xterm') || this._terminal.is('rxvt-unicode') || this._terminal.is('screen')) {\n this._terminal.send(C0.ESC + '[?1;2c');\n } else if (this._terminal.is('linux')) {\n this._terminal.send(C0.ESC + '[?6c');\n }\n } else if (this._terminal.prefix === '>') {\n // xterm and urxvt\n // seem to spit this\n // out around ~370 times (?).\n if (this._terminal.is('xterm')) {\n this._terminal.send(C0.ESC + '[>0;276;0c');\n } else if (this._terminal.is('rxvt-unicode')) {\n this._terminal.send(C0.ESC + '[>85;95;0c');\n } else if (this._terminal.is('linux')) {\n // not supported by linux console.\n // linux console echoes parameters.\n this._terminal.send(params[0] + 'c');\n } else if (this._terminal.is('screen')) {\n this._terminal.send(C0.ESC + '[>83;40003;0c');\n }\n }\n }\n\n /**\n * CSI Pm d Vertical Position Absolute (VPA)\n * [row] (default = [1,column])\n */\n public linePosAbsolute(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.y = param - 1;\n if (this._terminal.y >= this._terminal.rows) {\n this._terminal.y = this._terminal.rows - 1;\n }\n }\n\n /**\n * CSI Pm e Vertical Position Relative (VPR)\n * [rows] (default = [row+1,column])\n * reuse CSI Ps B ?\n */\n public VPositionRelative(params: number[]): void {\n let param = params[0];\n if (param < 1) {\n param = 1;\n }\n this._terminal.y += param;\n if (this._terminal.y >= this._terminal.rows) {\n this._terminal.y = this._terminal.rows - 1;\n }\n // If the end of the line is hit, prevent this action from wrapping around to the next line.\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x--;\n }\n }\n\n /**\n * CSI Ps ; Ps f\n * Horizontal and Vertical Position [row;column] (default =\n * [1,1]) (HVP).\n */\n public HVPosition(params: number[]): void {\n if (params[0] < 1) params[0] = 1;\n if (params[1] < 1) params[1] = 1;\n\n this._terminal.y = params[0] - 1;\n if (this._terminal.y >= this._terminal.rows) {\n this._terminal.y = this._terminal.rows - 1;\n }\n\n this._terminal.x = params[1] - 1;\n if (this._terminal.x >= this._terminal.cols) {\n this._terminal.x = this._terminal.cols - 1;\n }\n }\n\n /**\n * CSI Ps g Tab Clear (TBC).\n * Ps = 0 -> Clear Current Column (default).\n * Ps = 3 -> Clear All.\n * Potentially:\n * Ps = 2 -> Clear Stops on Line.\n * http://vt100.net/annarbor/aaa-ug/section6.html\n */\n public tabClear(params: number[]): void {\n let param = params[0];\n if (param <= 0) {\n delete this._terminal.tabs[this._terminal.x];\n } else if (param === 3) {\n this._terminal.tabs = {};\n }\n }\n\n /**\n * CSI Pm h Set Mode (SM).\n * Ps = 2 -> Keyboard Action Mode (AM).\n * Ps = 4 -> Insert Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Automatic Newline (LNM).\n * CSI ? Pm h\n * DEC Private Mode Set (DECSET).\n * Ps = 1 -> Application Cursor Keys (DECCKM).\n * Ps = 2 -> Designate USASCII for character sets G0-G3\n * (DECANM), and set VT100 mode.\n * Ps = 3 -> 132 Column Mode (DECCOLM).\n * Ps = 4 -> Smooth (Slow) Scroll (DECSCLM).\n * Ps = 5 -> Reverse Video (DECSCNM).\n * Ps = 6 -> Origin Mode (DECOM).\n * Ps = 7 -> Wraparound Mode (DECAWM).\n * Ps = 8 -> Auto-repeat Keys (DECARM).\n * Ps = 9 -> Send Mouse X & Y on button press. See the sec-\n * tion Mouse Tracking.\n * Ps = 1 0 -> Show toolbar (rxvt).\n * Ps = 1 2 -> Start Blinking Cursor (att610).\n * Ps = 1 8 -> Print form feed (DECPFF).\n * Ps = 1 9 -> Set print extent to full screen (DECPEX).\n * Ps = 2 5 -> Show Cursor (DECTCEM).\n * Ps = 3 0 -> Show scrollbar (rxvt).\n * Ps = 3 5 -> Enable font-shifting functions (rxvt).\n * Ps = 3 8 -> Enter Tektronix Mode (DECTEK).\n * Ps = 4 0 -> Allow 80 -> 132 Mode.\n * Ps = 4 1 -> more(1) fix (see curses resource).\n * Ps = 4 2 -> Enable Nation Replacement Character sets (DECN-\n * RCM).\n * Ps = 4 4 -> Turn On Margin Bell.\n * Ps = 4 5 -> Reverse-wraparound Mode.\n * Ps = 4 6 -> Start Logging. This is normally disabled by a\n * compile-time option.\n * Ps = 4 7 -> Use Alternate Screen Buffer. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 6 6 -> Application keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends backspace (DECBKM).\n * Ps = 1 0 0 0 -> Send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Enable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Scroll to bottom on tty output (rxvt).\n * Ps = 1 0 1 1 -> Scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Interpret \"meta\" key, sets eighth bit.\n * (enables the eightBitInput resource).\n * Ps = 1 0 3 5 -> Enable special modifiers for Alt and Num-\n * Lock keys. (This enables the numLock resource).\n * Ps = 1 0 3 6 -> Send ESC when Meta modifies a key. (This\n * enables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send DEL from the editing-keypad Delete\n * key.\n * Ps = 1 0 3 9 -> Send ESC when Alt modifies a key. (This\n * enables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Keep selection even if not highlighted.\n * (This enables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the CLIPBOARD selection. (This enables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Enable Urgency window manager hint when\n * Control-G is received. (This enables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Enable raising of the window when Control-G\n * is received. (enables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Alternate Screen Buffer. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 8 -> Save cursor as in DECSC. (This may be dis-\n * abled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Save cursor as in DECSC and use Alternate\n * Screen Buffer, clearing it first. (This may be disabled by\n * the titeInhibit resource). This combines the effects of the 1\n * 0 4 7 and 1 0 4 8 modes. Use this with terminfo-based\n * applications rather than the 4 7 mode.\n * Ps = 1 0 5 0 -> Set terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Set Sun function-key mode.\n * Ps = 1 0 5 2 -> Set HP function-key mode.\n * Ps = 1 0 5 3 -> Set SCO function-key mode.\n * Ps = 1 0 6 0 -> Set legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Set VT220 keyboard emulation.\n * Ps = 2 0 0 4 -> Set bracketed paste mode.\n * Modes:\n * http: *vt100.net/docs/vt220-rm/chapter4.html\n */\n public setMode(params: number[]): void {\n if (params.length > 1) {\n for (let i = 0; i < params.length; i++) {\n this.setMode([params[i]]);\n }\n\n return;\n }\n\n if (!this._terminal.prefix) {\n switch (params[0]) {\n case 4:\n this._terminal.insertMode = true;\n break;\n case 20:\n // this._terminal.convertEol = true;\n break;\n }\n } else if (this._terminal.prefix === '?') {\n switch (params[0]) {\n case 1:\n this._terminal.applicationCursor = true;\n break;\n case 2:\n this._terminal.setgCharset(0, DEFAULT_CHARSET);\n this._terminal.setgCharset(1, DEFAULT_CHARSET);\n this._terminal.setgCharset(2, DEFAULT_CHARSET);\n this._terminal.setgCharset(3, DEFAULT_CHARSET);\n // set VT100 mode here\n break;\n case 3: // 132 col mode\n this._terminal.savedCols = this._terminal.cols;\n this._terminal.resize(132, this._terminal.rows);\n break;\n case 6:\n this._terminal.originMode = true;\n break;\n case 7:\n this._terminal.wraparoundMode = true;\n break;\n case 12:\n // this.cursorBlink = true;\n break;\n case 66:\n this._terminal.log('Serial port requested application keypad.');\n this._terminal.applicationKeypad = true;\n this._terminal.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n // no release, no motion, no wheel, no modifiers.\n case 1000: // vt200 mouse\n // no motion.\n // no modifiers, except control on the wheel.\n case 1002: // button event mouse\n case 1003: // any event mouse\n // any event - sends motion events,\n // even if there is no button held down.\n\n // TODO: Why are params[0] compares nested within a switch for params[0]?\n\n this._terminal.x10Mouse = params[0] === 9;\n this._terminal.vt200Mouse = params[0] === 1000;\n this._terminal.normalMouse = params[0] > 1000;\n this._terminal.mouseEvents = true;\n this._terminal.element.classList.add('enable-mouse-events');\n this._terminal.selectionManager.disable();\n this._terminal.log('Binding to mouse events.');\n break;\n case 1004: // send focusin/focusout events\n // focusin: ^[[I\n // focusout: ^[[O\n this._terminal.sendFocus = true;\n break;\n case 1005: // utf8 ext mode mouse\n this._terminal.utfMouse = true;\n // for wide terminals\n // simply encodes large values as utf8 characters\n break;\n case 1006: // sgr ext mode mouse\n this._terminal.sgrMouse = true;\n // for wide terminals\n // does not add 32 to fields\n // press: ^[[ Keyboard Action Mode (AM).\n * Ps = 4 -> Replace Mode (IRM).\n * Ps = 1 2 -> Send/receive (SRM).\n * Ps = 2 0 -> Normal Linefeed (LNM).\n * CSI ? Pm l\n * DEC Private Mode Reset (DECRST).\n * Ps = 1 -> Normal Cursor Keys (DECCKM).\n * Ps = 2 -> Designate VT52 mode (DECANM).\n * Ps = 3 -> 80 Column Mode (DECCOLM).\n * Ps = 4 -> Jump (Fast) Scroll (DECSCLM).\n * Ps = 5 -> Normal Video (DECSCNM).\n * Ps = 6 -> Normal Cursor Mode (DECOM).\n * Ps = 7 -> No Wraparound Mode (DECAWM).\n * Ps = 8 -> No Auto-repeat Keys (DECARM).\n * Ps = 9 -> Don't send Mouse X & Y on button press.\n * Ps = 1 0 -> Hide toolbar (rxvt).\n * Ps = 1 2 -> Stop Blinking Cursor (att610).\n * Ps = 1 8 -> Don't print form feed (DECPFF).\n * Ps = 1 9 -> Limit print to scrolling region (DECPEX).\n * Ps = 2 5 -> Hide Cursor (DECTCEM).\n * Ps = 3 0 -> Don't show scrollbar (rxvt).\n * Ps = 3 5 -> Disable font-shifting functions (rxvt).\n * Ps = 4 0 -> Disallow 80 -> 132 Mode.\n * Ps = 4 1 -> No more(1) fix (see curses resource).\n * Ps = 4 2 -> Disable Nation Replacement Character sets (DEC-\n * NRCM).\n * Ps = 4 4 -> Turn Off Margin Bell.\n * Ps = 4 5 -> No Reverse-wraparound Mode.\n * Ps = 4 6 -> Stop Logging. (This is normally disabled by a\n * compile-time option).\n * Ps = 4 7 -> Use Normal Screen Buffer.\n * Ps = 6 6 -> Numeric keypad (DECNKM).\n * Ps = 6 7 -> Backarrow key sends delete (DECBKM).\n * Ps = 1 0 0 0 -> Don't send Mouse X & Y on button press and\n * release. See the section Mouse Tracking.\n * Ps = 1 0 0 1 -> Don't use Hilite Mouse Tracking.\n * Ps = 1 0 0 2 -> Don't use Cell Motion Mouse Tracking.\n * Ps = 1 0 0 3 -> Don't use All Motion Mouse Tracking.\n * Ps = 1 0 0 4 -> Don't send FocusIn/FocusOut events.\n * Ps = 1 0 0 5 -> Disable Extended Mouse Mode.\n * Ps = 1 0 1 0 -> Don't scroll to bottom on tty output\n * (rxvt).\n * Ps = 1 0 1 1 -> Don't scroll to bottom on key press (rxvt).\n * Ps = 1 0 3 4 -> Don't interpret \"meta\" key. (This disables\n * the eightBitInput resource).\n * Ps = 1 0 3 5 -> Disable special modifiers for Alt and Num-\n * Lock keys. (This disables the numLock resource).\n * Ps = 1 0 3 6 -> Don't send ESC when Meta modifies a key.\n * (This disables the metaSendsEscape resource).\n * Ps = 1 0 3 7 -> Send VT220 Remove from the editing-keypad\n * Delete key.\n * Ps = 1 0 3 9 -> Don't send ESC when Alt modifies a key.\n * (This disables the altSendsEscape resource).\n * Ps = 1 0 4 0 -> Do not keep selection when not highlighted.\n * (This disables the keepSelection resource).\n * Ps = 1 0 4 1 -> Use the PRIMARY selection. (This disables\n * the selectToClipboard resource).\n * Ps = 1 0 4 2 -> Disable Urgency window manager hint when\n * Control-G is received. (This disables the bellIsUrgent\n * resource).\n * Ps = 1 0 4 3 -> Disable raising of the window when Control-\n * G is received. (This disables the popOnBell resource).\n * Ps = 1 0 4 7 -> Use Normal Screen Buffer, clearing screen\n * first if in the Alternate Screen. (This may be disabled by\n * the titeInhibit resource).\n * Ps = 1 0 4 8 -> Restore cursor as in DECRC. (This may be\n * disabled by the titeInhibit resource).\n * Ps = 1 0 4 9 -> Use Normal Screen Buffer and restore cursor\n * as in DECRC. (This may be disabled by the titeInhibit\n * resource). This combines the effects of the 1 0 4 7 and 1 0\n * 4 8 modes. Use this with terminfo-based applications rather\n * than the 4 7 mode.\n * Ps = 1 0 5 0 -> Reset terminfo/termcap function-key mode.\n * Ps = 1 0 5 1 -> Reset Sun function-key mode.\n * Ps = 1 0 5 2 -> Reset HP function-key mode.\n * Ps = 1 0 5 3 -> Reset SCO function-key mode.\n * Ps = 1 0 6 0 -> Reset legacy keyboard emulation (X11R6).\n * Ps = 1 0 6 1 -> Reset keyboard emulation to Sun/PC style.\n * Ps = 2 0 0 4 -> Reset bracketed paste mode.\n */\n public resetMode(params: number[]): void {\n if (params.length > 1) {\n for (let i = 0; i < params.length; i++) {\n this.resetMode([params[i]]);\n }\n\n return;\n }\n\n if (!this._terminal.prefix) {\n switch (params[0]) {\n case 4:\n this._terminal.insertMode = false;\n break;\n case 20:\n // this._terminal.convertEol = false;\n break;\n }\n } else if (this._terminal.prefix === '?') {\n switch (params[0]) {\n case 1:\n this._terminal.applicationCursor = false;\n break;\n case 3:\n if (this._terminal.cols === 132 && this._terminal.savedCols) {\n this._terminal.resize(this._terminal.savedCols, this._terminal.rows);\n }\n delete this._terminal.savedCols;\n break;\n case 6:\n this._terminal.originMode = false;\n break;\n case 7:\n this._terminal.wraparoundMode = false;\n break;\n case 12:\n // this.cursorBlink = false;\n break;\n case 66:\n this._terminal.log('Switching back to normal keypad.');\n this._terminal.applicationKeypad = false;\n this._terminal.viewport.syncScrollArea();\n break;\n case 9: // X10 Mouse\n case 1000: // vt200 mouse\n case 1002: // button event mouse\n case 1003: // any event mouse\n this._terminal.x10Mouse = false;\n this._terminal.vt200Mouse = false;\n this._terminal.normalMouse = false;\n this._terminal.mouseEvents = false;\n this._terminal.element.classList.remove('enable-mouse-events');\n this._terminal.selectionManager.enable();\n break;\n case 1004: // send focusin/focusout events\n this._terminal.sendFocus = false;\n break;\n case 1005: // utf8 ext mode mouse\n this._terminal.utfMouse = false;\n break;\n case 1006: // sgr ext mode mouse\n this._terminal.sgrMouse = false;\n break;\n case 1015: // urxvt ext mode mouse\n this._terminal.urxvtMouse = false;\n break;\n case 25: // hide cursor\n this._terminal.cursorHidden = true;\n break;\n case 1049: // alt screen buffer cursor\n ; // FALL-THROUGH\n case 47: // normal screen buffer\n case 1047: // normal screen buffer - clearing it first\n if (this._terminal.normal) {\n this._terminal.lines = this._terminal.normal.lines;\n this._terminal.ybase = this._terminal.normal.ybase;\n this._terminal.ydisp = this._terminal.normal.ydisp;\n this._terminal.x = this._terminal.normal.x;\n this._terminal.y = this._terminal.normal.y;\n this._terminal.scrollTop = this._terminal.normal.scrollTop;\n this._terminal.scrollBottom = this._terminal.normal.scrollBottom;\n this._terminal.tabs = this._terminal.normal.tabs;\n this._terminal.normal = null;\n // Ensure the selection manager has the correct buffer\n this._terminal.selectionManager.setBuffer(this._terminal.lines);\n // if (params === 1049) {\n // this.x = this.savedX;\n // this.y = this.savedY;\n // }\n this._terminal.refresh(0, this._terminal.rows - 1);\n this._terminal.viewport.syncScrollArea();\n this._terminal.showCursor();\n }\n break;\n }\n }\n }\n\n /**\n * CSI Pm m Character Attributes (SGR).\n * Ps = 0 -> Normal (default).\n * Ps = 1 -> Bold.\n * Ps = 4 -> Underlined.\n * Ps = 5 -> Blink (appears as Bold).\n * Ps = 7 -> Inverse.\n * Ps = 8 -> Invisible, i.e., hidden (VT300).\n * Ps = 2 2 -> Normal (neither bold nor faint).\n * Ps = 2 4 -> Not underlined.\n * Ps = 2 5 -> Steady (not blinking).\n * Ps = 2 7 -> Positive (not inverse).\n * Ps = 2 8 -> Visible, i.e., not hidden (VT300).\n * Ps = 3 0 -> Set foreground color to Black.\n * Ps = 3 1 -> Set foreground color to Red.\n * Ps = 3 2 -> Set foreground color to Green.\n * Ps = 3 3 -> Set foreground color to Yellow.\n * Ps = 3 4 -> Set foreground color to Blue.\n * Ps = 3 5 -> Set foreground color to Magenta.\n * Ps = 3 6 -> Set foreground color to Cyan.\n * Ps = 3 7 -> Set foreground color to White.\n * Ps = 3 9 -> Set foreground color to default (original).\n * Ps = 4 0 -> Set background color to Black.\n * Ps = 4 1 -> Set background color to Red.\n * Ps = 4 2 -> Set background color to Green.\n * Ps = 4 3 -> Set background color to Yellow.\n * Ps = 4 4 -> Set background color to Blue.\n * Ps = 4 5 -> Set background color to Magenta.\n * Ps = 4 6 -> Set background color to Cyan.\n * Ps = 4 7 -> Set background color to White.\n * Ps = 4 9 -> Set background color to default (original).\n *\n * If 16-color support is compiled, the following apply. Assume\n * that xterm's resources are set so that the ISO color codes are\n * the first 8 of a set of 16. Then the aixterm colors are the\n * bright versions of the ISO colors:\n * Ps = 9 0 -> Set foreground color to Black.\n * Ps = 9 1 -> Set foreground color to Red.\n * Ps = 9 2 -> Set foreground color to Green.\n * Ps = 9 3 -> Set foreground color to Yellow.\n * Ps = 9 4 -> Set foreground color to Blue.\n * Ps = 9 5 -> Set foreground color to Magenta.\n * Ps = 9 6 -> Set foreground color to Cyan.\n * Ps = 9 7 -> Set foreground color to White.\n * Ps = 1 0 0 -> Set background color to Black.\n * Ps = 1 0 1 -> Set background color to Red.\n * Ps = 1 0 2 -> Set background color to Green.\n * Ps = 1 0 3 -> Set background color to Yellow.\n * Ps = 1 0 4 -> Set background color to Blue.\n * Ps = 1 0 5 -> Set background color to Magenta.\n * Ps = 1 0 6 -> Set background color to Cyan.\n * Ps = 1 0 7 -> Set background color to White.\n *\n * If xterm is compiled with the 16-color support disabled, it\n * supports the following, from rxvt:\n * Ps = 1 0 0 -> Set foreground and background color to\n * default.\n *\n * If 88- or 256-color support is compiled, the following apply.\n * Ps = 3 8 ; 5 ; Ps -> Set foreground color to the second\n * Ps.\n * Ps = 4 8 ; 5 ; Ps -> Set background color to the second\n * Ps.\n */\n public charAttributes(params: number[]): void {\n // Optimize a single SGR0.\n if (params.length === 1 && params[0] === 0) {\n this._terminal.curAttr = this._terminal.defAttr;\n return;\n }\n\n let l = params.length\n , i = 0\n , flags = this._terminal.curAttr >> 18\n , fg = (this._terminal.curAttr >> 9) & 0x1ff\n , bg = this._terminal.curAttr & 0x1ff\n , p;\n\n for (; i < l; i++) {\n p = params[i];\n if (p >= 30 && p <= 37) {\n // fg color 8\n fg = p - 30;\n } else if (p >= 40 && p <= 47) {\n // bg color 8\n bg = p - 40;\n } else if (p >= 90 && p <= 97) {\n // fg color 16\n p += 8;\n fg = p - 90;\n } else if (p >= 100 && p <= 107) {\n // bg color 16\n p += 8;\n bg = p - 100;\n } else if (p === 0) {\n // default\n flags = this._terminal.defAttr >> 18;\n fg = (this._terminal.defAttr >> 9) & 0x1ff;\n bg = this._terminal.defAttr & 0x1ff;\n // flags = 0;\n // fg = 0x1ff;\n // bg = 0x1ff;\n } else if (p === 1) {\n // bold text\n flags |= 1;\n } else if (p === 4) {\n // underlined text\n flags |= 2;\n } else if (p === 5) {\n // blink\n flags |= 4;\n } else if (p === 7) {\n // inverse and positive\n // test with: echo -e '\\e[31m\\e[42mhello\\e[7mworld\\e[27mhi\\e[m'\n flags |= 8;\n } else if (p === 8) {\n // invisible\n flags |= 16;\n } else if (p === 22) {\n // not bold\n flags &= ~1;\n } else if (p === 24) {\n // not underlined\n flags &= ~2;\n } else if (p === 25) {\n // not blink\n flags &= ~4;\n } else if (p === 27) {\n // not inverse\n flags &= ~8;\n } else if (p === 28) {\n // not invisible\n flags &= ~16;\n } else if (p === 39) {\n // reset fg\n fg = (this._terminal.defAttr >> 9) & 0x1ff;\n } else if (p === 49) {\n // reset bg\n bg = this._terminal.defAttr & 0x1ff;\n } else if (p === 38) {\n // fg color 256\n if (params[i + 1] === 2) {\n i += 2;\n fg = this._terminal.matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (fg === -1) fg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n fg = p;\n }\n } else if (p === 48) {\n // bg color 256\n if (params[i + 1] === 2) {\n i += 2;\n bg = this._terminal.matchColor(\n params[i] & 0xff,\n params[i + 1] & 0xff,\n params[i + 2] & 0xff);\n if (bg === -1) bg = 0x1ff;\n i += 2;\n } else if (params[i + 1] === 5) {\n i += 2;\n p = params[i] & 0xff;\n bg = p;\n }\n } else if (p === 100) {\n // reset fg/bg\n fg = (this._terminal.defAttr >> 9) & 0x1ff;\n bg = this._terminal.defAttr & 0x1ff;\n } else {\n this._terminal.error('Unknown SGR attribute: %d.', p);\n }\n }\n\n this._terminal.curAttr = (flags << 18) | (fg << 9) | bg;\n }\n\n /**\n * CSI Ps n Device Status Report (DSR).\n * Ps = 5 -> Status Report. Result (``OK'') is\n * CSI 0 n\n * Ps = 6 -> Report Cursor Position (CPR) [row;column].\n * Result is\n * CSI r ; c R\n * CSI ? Ps n\n * Device Status Report (DSR, DEC-specific).\n * Ps = 6 -> Report Cursor Position (CPR) [row;column] as CSI\n * ? r ; c R (assumes page is zero).\n * Ps = 1 5 -> Report Printer status as CSI ? 1 0 n (ready).\n * or CSI ? 1 1 n (not ready).\n * Ps = 2 5 -> Report UDK status as CSI ? 2 0 n (unlocked)\n * or CSI ? 2 1 n (locked).\n * Ps = 2 6 -> Report Keyboard status as\n * CSI ? 2 7 ; 1 ; 0 ; 0 n (North American).\n * The last two parameters apply to VT400 & up, and denote key-\n * board ready and LK01 respectively.\n * Ps = 5 3 -> Report Locator status as\n * CSI ? 5 3 n Locator available, if compiled-in, or\n * CSI ? 5 0 n No Locator, if not.\n */\n public deviceStatus(params: number[]): void {\n if (!this._terminal.prefix) {\n switch (params[0]) {\n case 5:\n // status report\n this._terminal.send(C0.ESC + '[0n');\n break;\n case 6:\n // cursor position\n this._terminal.send(C0.ESC + '['\n + (this._terminal.y + 1)\n + ';'\n + (this._terminal.x + 1)\n + 'R');\n break;\n }\n } else if (this._terminal.prefix === '?') {\n // modern xterm doesnt seem to\n // respond to any of these except ?6, 6, and 5\n switch (params[0]) {\n case 6:\n // cursor position\n this._terminal.send(C0.ESC + '[?'\n + (this._terminal.y + 1)\n + ';'\n + (this._terminal.x + 1)\n + 'R');\n break;\n case 15:\n // no printer\n // this.send(C0.ESC + '[?11n');\n break;\n case 25:\n // dont support user defined keys\n // this.send(C0.ESC + '[?21n');\n break;\n case 26:\n // north american keyboard\n // this.send(C0.ESC + '[?27;1;0;0n');\n break;\n case 53:\n // no dec locator/mouse\n // this.send(C0.ESC + '[?50n');\n break;\n }\n }\n }\n\n /**\n * CSI ! p Soft terminal reset (DECSTR).\n * http://vt100.net/docs/vt220-rm/table4-10.html\n */\n public softReset(params: number[]): void {\n this._terminal.cursorHidden = false;\n this._terminal.insertMode = false;\n this._terminal.originMode = false;\n this._terminal.wraparoundMode = true; // defaults: xterm - true, vt100 - false\n this._terminal.applicationKeypad = false; // ?\n this._terminal.viewport.syncScrollArea();\n this._terminal.applicationCursor = false;\n this._terminal.scrollTop = 0;\n this._terminal.scrollBottom = this._terminal.rows - 1;\n this._terminal.curAttr = this._terminal.defAttr;\n this._terminal.x = this._terminal.y = 0; // ?\n this._terminal.charset = null;\n this._terminal.glevel = 0; // ??\n this._terminal.charsets = [null]; // ??\n }\n\n /**\n * CSI Ps SP q Set cursor style (DECSCUSR, VT520).\n * Ps = 0 -> blinking block.\n * Ps = 1 -> blinking block (default).\n * Ps = 2 -> steady block.\n * Ps = 3 -> blinking underline.\n * Ps = 4 -> steady underline.\n * Ps = 5 -> blinking bar (xterm).\n * Ps = 6 -> steady bar (xterm).\n */\n public setCursorStyle(params?: number[]): void {\n const param = params[0] < 1 ? 1 : params[0];\n switch (param) {\n case 1:\n case 2:\n this._terminal.setOption('cursorStyle', 'block');\n break;\n case 3:\n case 4:\n this._terminal.setOption('cursorStyle', 'underline');\n break;\n case 5:\n case 6:\n this._terminal.setOption('cursorStyle', 'bar');\n break;\n }\n const isBlinking = param % 2 === 1;\n this._terminal.setOption('cursorBlink', isBlinking);\n }\n\n /**\n * CSI Ps ; Ps r\n * Set Scrolling Region [top;bottom] (default = full size of win-\n * dow) (DECSTBM).\n * CSI ? Pm r\n */\n public setScrollRegion(params: number[]): void {\n if (this._terminal.prefix) return;\n this._terminal.scrollTop = (params[0] || 1) - 1;\n this._terminal.scrollBottom = (params[1] && params[1] <= this._terminal.rows ? params[1] : this._terminal.rows) - 1;\n this._terminal.x = 0;\n this._terminal.y = 0;\n }\n\n\n /**\n * CSI s\n * Save cursor (ANSI.SYS).\n */\n public saveCursor(params: number[]): void {\n this._terminal.savedX = this._terminal.x;\n this._terminal.savedY = this._terminal.y;\n }\n\n\n /**\n * CSI u\n * Restore cursor (ANSI.SYS).\n */\n public restoreCursor(params: number[]): void {\n this._terminal.x = this._terminal.savedX || 0;\n this._terminal.y = this._terminal.savedY || 0;\n }\n}\n\nconst wcwidth = (function(opts) {\n // extracted from https://www.cl.cam.ac.uk/%7Emgk25/ucs/wcwidth.c\n // combining characters\n const COMBINING = [\n [0x0300, 0x036F], [0x0483, 0x0486], [0x0488, 0x0489],\n [0x0591, 0x05BD], [0x05BF, 0x05BF], [0x05C1, 0x05C2],\n [0x05C4, 0x05C5], [0x05C7, 0x05C7], [0x0600, 0x0603],\n [0x0610, 0x0615], [0x064B, 0x065E], [0x0670, 0x0670],\n [0x06D6, 0x06E4], [0x06E7, 0x06E8], [0x06EA, 0x06ED],\n [0x070F, 0x070F], [0x0711, 0x0711], [0x0730, 0x074A],\n [0x07A6, 0x07B0], [0x07EB, 0x07F3], [0x0901, 0x0902],\n [0x093C, 0x093C], [0x0941, 0x0948], [0x094D, 0x094D],\n [0x0951, 0x0954], [0x0962, 0x0963], [0x0981, 0x0981],\n [0x09BC, 0x09BC], [0x09C1, 0x09C4], [0x09CD, 0x09CD],\n [0x09E2, 0x09E3], [0x0A01, 0x0A02], [0x0A3C, 0x0A3C],\n [0x0A41, 0x0A42], [0x0A47, 0x0A48], [0x0A4B, 0x0A4D],\n [0x0A70, 0x0A71], [0x0A81, 0x0A82], [0x0ABC, 0x0ABC],\n [0x0AC1, 0x0AC5], [0x0AC7, 0x0AC8], [0x0ACD, 0x0ACD],\n [0x0AE2, 0x0AE3], [0x0B01, 0x0B01], [0x0B3C, 0x0B3C],\n [0x0B3F, 0x0B3F], [0x0B41, 0x0B43], [0x0B4D, 0x0B4D],\n [0x0B56, 0x0B56], [0x0B82, 0x0B82], [0x0BC0, 0x0BC0],\n [0x0BCD, 0x0BCD], [0x0C3E, 0x0C40], [0x0C46, 0x0C48],\n [0x0C4A, 0x0C4D], [0x0C55, 0x0C56], [0x0CBC, 0x0CBC],\n [0x0CBF, 0x0CBF], [0x0CC6, 0x0CC6], [0x0CCC, 0x0CCD],\n [0x0CE2, 0x0CE3], [0x0D41, 0x0D43], [0x0D4D, 0x0D4D],\n [0x0DCA, 0x0DCA], [0x0DD2, 0x0DD4], [0x0DD6, 0x0DD6],\n [0x0E31, 0x0E31], [0x0E34, 0x0E3A], [0x0E47, 0x0E4E],\n [0x0EB1, 0x0EB1], [0x0EB4, 0x0EB9], [0x0EBB, 0x0EBC],\n [0x0EC8, 0x0ECD], [0x0F18, 0x0F19], [0x0F35, 0x0F35],\n [0x0F37, 0x0F37], [0x0F39, 0x0F39], [0x0F71, 0x0F7E],\n [0x0F80, 0x0F84], [0x0F86, 0x0F87], [0x0F90, 0x0F97],\n [0x0F99, 0x0FBC], [0x0FC6, 0x0FC6], [0x102D, 0x1030],\n [0x1032, 0x1032], [0x1036, 0x1037], [0x1039, 0x1039],\n [0x1058, 0x1059], [0x1160, 0x11FF], [0x135F, 0x135F],\n [0x1712, 0x1714], [0x1732, 0x1734], [0x1752, 0x1753],\n [0x1772, 0x1773], [0x17B4, 0x17B5], [0x17B7, 0x17BD],\n [0x17C6, 0x17C6], [0x17C9, 0x17D3], [0x17DD, 0x17DD],\n [0x180B, 0x180D], [0x18A9, 0x18A9], [0x1920, 0x1922],\n [0x1927, 0x1928], [0x1932, 0x1932], [0x1939, 0x193B],\n [0x1A17, 0x1A18], [0x1B00, 0x1B03], [0x1B34, 0x1B34],\n [0x1B36, 0x1B3A], [0x1B3C, 0x1B3C], [0x1B42, 0x1B42],\n [0x1B6B, 0x1B73], [0x1DC0, 0x1DCA], [0x1DFE, 0x1DFF],\n [0x200B, 0x200F], [0x202A, 0x202E], [0x2060, 0x2063],\n [0x206A, 0x206F], [0x20D0, 0x20EF], [0x302A, 0x302F],\n [0x3099, 0x309A], [0xA806, 0xA806], [0xA80B, 0xA80B],\n [0xA825, 0xA826], [0xFB1E, 0xFB1E], [0xFE00, 0xFE0F],\n [0xFE20, 0xFE23], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB],\n [0x10A01, 0x10A03], [0x10A05, 0x10A06], [0x10A0C, 0x10A0F],\n [0x10A38, 0x10A3A], [0x10A3F, 0x10A3F], [0x1D167, 0x1D169],\n [0x1D173, 0x1D182], [0x1D185, 0x1D18B], [0x1D1AA, 0x1D1AD],\n [0x1D242, 0x1D244], [0xE0001, 0xE0001], [0xE0020, 0xE007F],\n [0xE0100, 0xE01EF]\n ];\n // binary search\n function bisearch(ucs) {\n let min = 0;\n let max = COMBINING.length - 1;\n let mid;\n if (ucs < COMBINING[0][0] || ucs > COMBINING[max][1])\n return false;\n while (max >= min) {\n mid = Math.floor((min + max) / 2);\n if (ucs > COMBINING[mid][1])\n min = mid + 1;\n else if (ucs < COMBINING[mid][0])\n max = mid - 1;\n else\n return true;\n }\n return false;\n }\n function wcwidth(ucs) {\n // test for 8-bit control characters\n if (ucs === 0)\n return opts.nul;\n if (ucs < 32 || (ucs >= 0x7f && ucs < 0xa0))\n return opts.control;\n // binary search in table of non-spacing characters\n if (bisearch(ucs))\n return 0;\n // if we arrive here, ucs is not a combining or C0/C1 control character\n if (isWide(ucs)) {\n return 2;\n }\n return 1;\n }\n function isWide(ucs) {\n return (\n ucs >= 0x1100 && (\n ucs <= 0x115f || // Hangul Jamo init. consonants\n ucs === 0x2329 ||\n ucs === 0x232a ||\n (ucs >= 0x2e80 && ucs <= 0xa4cf && ucs !== 0x303f) || // CJK..Yi\n (ucs >= 0xac00 && ucs <= 0xd7a3) || // Hangul Syllables\n (ucs >= 0xf900 && ucs <= 0xfaff) || // CJK Compat Ideographs\n (ucs >= 0xfe10 && ucs <= 0xfe19) || // Vertical forms\n (ucs >= 0xfe30 && ucs <= 0xfe6f) || // CJK Compat Forms\n (ucs >= 0xff00 && ucs <= 0xff60) || // Fullwidth Forms\n (ucs >= 0xffe0 && ucs <= 0xffe6) ||\n (ucs >= 0x20000 && ucs <= 0x2fffd) ||\n (ucs >= 0x30000 && ucs <= 0x3fffd)));\n }\n return wcwidth;\n})({nul: 0, control: 0}); // configurable options\n","/**\n * @license MIT\n */\n\ninterface ListenerType {\n (): void;\n listener?: () => void;\n};\n\nexport class EventEmitter {\n private _events: {[type: string]: ListenerType[]};\n\n constructor() {\n // Restore the previous events if available, this will happen if the\n // constructor is called multiple times on the same object (terminal reset).\n this._events = this._events || {};\n }\n\n public on(type, listener): void {\n this._events[type] = this._events[type] || [];\n this._events[type].push(listener);\n }\n\n public off(type, listener): void {\n if (!this._events[type]) {\n return;\n }\n\n let obj = this._events[type];\n let i = obj.length;\n\n while (i--) {\n if (obj[i] === listener || obj[i].listener === listener) {\n obj.splice(i, 1);\n return;\n }\n }\n }\n\n public removeAllListeners(type): void {\n if (this._events[type]) {\n delete this._events[type];\n }\n }\n\n public once(type, listener): any {\n function on() {\n let args = Array.prototype.slice.call(arguments);\n this.off(type, on);\n return listener.apply(this, args);\n }\n (on).listener = listener;\n return this.on(type, on);\n }\n\n public emit(type: string, ...args: any[]): void {\n if (!this._events[type]) {\n return;\n }\n let obj = this._events[type];\n for (let i = 0; i < obj.length; i++) {\n obj[i].apply(this, args);\n }\n }\n\n public listeners(type): ListenerType[] {\n return this._events[type] || [];\n }\n}\n","/**\n * @license MIT\n */\n\n/**\n * C0 control codes\n * See = https://en.wikipedia.org/wiki/C0_and_C1_control_codes\n */\nexport namespace C0 {\n /** Null (Caret = ^@, C = \\0) */\n export const NUL = '\\x00';\n /** Start of Heading (Caret = ^A) */\n export const SOH = '\\x01';\n /** Start of Text (Caret = ^B) */\n export const STX = '\\x02';\n /** End of Text (Caret = ^C) */\n export const ETX = '\\x03';\n /** End of Transmission (Caret = ^D) */\n export const EOT = '\\x04';\n /** Enquiry (Caret = ^E) */\n export const ENQ = '\\x05';\n /** Acknowledge (Caret = ^F) */\n export const ACK = '\\x06';\n /** Bell (Caret = ^G, C = \\a) */\n export const BEL = '\\x07';\n /** Backspace (Caret = ^H, C = \\b) */\n export const BS = '\\x08';\n /** Character Tabulation, Horizontal Tabulation (Caret = ^I, C = \\t) */\n export const HT = '\\x09';\n /** Line Feed (Caret = ^J, C = \\n) */\n export const LF = '\\x0a';\n /** Line Tabulation, Vertical Tabulation (Caret = ^K, C = \\v) */\n export const VT = '\\x0b';\n /** Form Feed (Caret = ^L, C = \\f) */\n export const FF = '\\x0c';\n /** Carriage Return (Caret = ^M, C = \\r) */\n export const CR = '\\x0d';\n /** Shift Out (Caret = ^N) */\n export const SO = '\\x0e';\n /** Shift In (Caret = ^O) */\n export const SI = '\\x0f';\n /** Data Link Escape (Caret = ^P) */\n export const DLE = '\\x10';\n /** Device Control One (XON) (Caret = ^Q) */\n export const DC1 = '\\x11';\n /** Device Control Two (Caret = ^R) */\n export const DC2 = '\\x12';\n /** Device Control Three (XOFF) (Caret = ^S) */\n export const DC3 = '\\x13';\n /** Device Control Four (Caret = ^T) */\n export const DC4 = '\\x14';\n /** Negative Acknowledge (Caret = ^U) */\n export const NAK = '\\x15';\n /** Synchronous Idle (Caret = ^V) */\n export const SYN = '\\x16';\n /** End of Transmission Block (Caret = ^W) */\n export const ETB = '\\x17';\n /** Cancel (Caret = ^X) */\n export const CAN = '\\x18';\n /** End of Medium (Caret = ^Y) */\n export const EM = '\\x19';\n /** Substitute (Caret = ^Z) */\n export const SUB = '\\x1a';\n /** Escape (Caret = ^[, C = \\e) */\n export const ESC = '\\x1b';\n /** File Separator (Caret = ^\\) */\n export const FS = '\\x1c';\n /** Group Separator (Caret = ^]) */\n export const GS = '\\x1d';\n /** Record Separator (Caret = ^^) */\n export const RS = '\\x1e';\n /** Unit Separator (Caret = ^_) */\n export const US = '\\x1f';\n /** Space */\n export const SP = '\\x20';\n /** Delete (Caret = ^?) */\n export const DEL = '\\x7f';\n};\n","/**\n * @license MIT\n */\n\nimport { ITerminal } from './Interfaces';\n\ninterface IPosition {\n start: number;\n end: number;\n}\n\n/**\n * Encapsulates the logic for handling compositionstart, compositionupdate and compositionend\n * events, displaying the in-progress composition to the UI and forwarding the final composition\n * to the handler.\n */\nexport class CompositionHelper {\n /**\n * Whether input composition is currently happening, eg. via a mobile keyboard, speech input or\n * IME. This variable determines whether the compositionText should be displayed on the UI.\n */\n private isComposing: boolean;\n\n /**\n * The position within the input textarea's value of the current composition.\n */\n private compositionPosition: IPosition;\n\n /**\n * Whether a composition is in the process of being sent, setting this to false will cancel any\n * in-progress composition.\n */\n private isSendingComposition: boolean;\n\n /**\n * Creates a new CompositionHelper.\n * @param textarea The textarea that xterm uses for input.\n * @param compositionView The element to display the in-progress composition in.\n * @param terminal The Terminal to forward the finished composition to.\n */\n constructor(\n private textarea: HTMLTextAreaElement,\n private compositionView: HTMLElement,\n private terminal: ITerminal\n ) {\n this.isComposing = false;\n this.isSendingComposition = false;\n this.compositionPosition = { start: null, end: null };\n }\n\n /**\n * Handles the compositionstart event, activating the composition view.\n */\n public compositionstart() {\n this.isComposing = true;\n this.compositionPosition.start = this.textarea.value.length;\n this.compositionView.textContent = '';\n this.compositionView.classList.add('active');\n }\n\n /**\n * Handles the compositionupdate event, updating the composition view.\n * @param {CompositionEvent} ev The event.\n */\n public compositionupdate(ev: CompositionEvent) {\n this.compositionView.textContent = ev.data;\n this.updateCompositionElements();\n setTimeout(() => {\n this.compositionPosition.end = this.textarea.value.length;\n }, 0);\n }\n\n /**\n * Handles the compositionend event, hiding the composition view and sending the composition to\n * the handler.\n */\n public compositionend() {\n this.finalizeComposition(true);\n }\n\n /**\n * Handles the keydown event, routing any necessary events to the CompositionHelper functions.\n * @param ev The keydown event.\n * @return Whether the Terminal should continue processing the keydown event.\n */\n public keydown(ev: KeyboardEvent) {\n if (this.isComposing || this.isSendingComposition) {\n if (ev.keyCode === 229) {\n // Continue composing if the keyCode is the \"composition character\"\n return false;\n } else if (ev.keyCode === 16 || ev.keyCode === 17 || ev.keyCode === 18) {\n // Continue composing if the keyCode is a modifier key\n return false;\n } else {\n // Finish composition immediately. This is mainly here for the case where enter is\n // pressed and the handler needs to be triggered before the command is executed.\n this.finalizeComposition(false);\n }\n }\n\n if (ev.keyCode === 229) {\n // If the \"composition character\" is used but gets to this point it means a non-composition\n // character (eg. numbers and punctuation) was pressed when the IME was active.\n this.handleAnyTextareaChanges();\n return false;\n }\n\n return true;\n }\n\n /**\n * Finalizes the composition, resuming regular input actions. This is called when a composition\n * is ending.\n * @param waitForPropogation Whether to wait for events to propogate before sending\n * the input. This should be false if a non-composition keystroke is entered before the\n * compositionend event is triggered, such as enter, so that the composition is send before\n * the command is executed.\n */\n private finalizeComposition(waitForPropogation: boolean) {\n this.compositionView.classList.remove('active');\n this.isComposing = false;\n this.clearTextareaPosition();\n\n if (!waitForPropogation) {\n // Cancel any delayed composition send requests and send the input immediately.\n this.isSendingComposition = false;\n const input = this.textarea.value.substring(this.compositionPosition.start, this.compositionPosition.end);\n this.terminal.handler(input);\n } else {\n // Make a deep copy of the composition position here as a new compositionstart event may\n // fire before the setTimeout executes.\n const currentCompositionPosition = {\n start: this.compositionPosition.start,\n end: this.compositionPosition.end,\n };\n\n // Since composition* events happen before the changes take place in the textarea on most\n // browsers, use a setTimeout with 0ms time to allow the native compositionend event to\n // complete. This ensures the correct character is retrieved, this solution was used\n // because:\n // - The compositionend event's data property is unreliable, at least on Chromium\n // - The last compositionupdate event's data property does not always accurately describe\n // the character, a counter example being Korean where an ending consonsant can move to\n // the following character if the following input is a vowel.\n this.isSendingComposition = true;\n setTimeout(() => {\n // Ensure that the input has not already been sent\n if (this.isSendingComposition) {\n this.isSendingComposition = false;\n let input;\n if (this.isComposing) {\n // Use the end position to get the string if a new composition has started.\n input = this.textarea.value.substring(currentCompositionPosition.start, currentCompositionPosition.end);\n } else {\n // Don't use the end position here in order to pick up any characters after the\n // composition has finished, for example when typing a non-composition character\n // (eg. 2) after a composition character.\n input = this.textarea.value.substring(currentCompositionPosition.start);\n }\n this.terminal.handler(input);\n }\n }, 0);\n }\n }\n\n /**\n * Apply any changes made to the textarea after the current event chain is allowed to complete.\n * This should be called when not currently composing but a keydown event with the \"composition\n * character\" (229) is triggered, in order to allow non-composition text to be entered when an\n * IME is active.\n */\n private handleAnyTextareaChanges() {\n const oldValue = this.textarea.value;\n setTimeout(() => {\n // Ignore if a composition has started since the timeout\n if (!this.isComposing) {\n const newValue = this.textarea.value;\n const diff = newValue.replace(oldValue, '');\n if (diff.length > 0) {\n this.terminal.handler(diff);\n }\n }\n }, 0);\n }\n\n /**\n * Positions the composition view on top of the cursor and the textarea just below it (so the\n * IME helper dialog is positioned correctly).\n * @param dontRecurse Whether to use setTimeout to recursively trigger another update, this is\n * necessary as the IME events across browsers are not consistently triggered.\n */\n public updateCompositionElements(dontRecurse?: boolean) {\n if (!this.isComposing) {\n return;\n }\n const cursor = this.terminal.element.querySelector('.terminal-cursor');\n if (cursor) {\n // Take .xterm-rows offsetTop into account as well in case it's positioned absolutely within\n // the .xterm element.\n const xtermRows = this.terminal.element.querySelector('.xterm-rows');\n const cursorTop = xtermRows.offsetTop + cursor.offsetTop;\n\n this.compositionView.style.left = cursor.offsetLeft + 'px';\n this.compositionView.style.top = cursorTop + 'px';\n this.compositionView.style.height = cursor.offsetHeight + 'px';\n this.compositionView.style.lineHeight = cursor.offsetHeight + 'px';\n // Sync the textarea to the exact position of the composition view so the IME knows where the\n // text is.\n const compositionViewBounds = this.compositionView.getBoundingClientRect();\n this.textarea.style.left = cursor.offsetLeft + 'px';\n this.textarea.style.top = cursorTop + 'px';\n this.textarea.style.width = compositionViewBounds.width + 'px';\n this.textarea.style.height = compositionViewBounds.height + 'px';\n this.textarea.style.lineHeight = compositionViewBounds.height + 'px';\n }\n if (!dontRecurse) {\n setTimeout(() => this.updateCompositionElements(true), 0);\n }\n };\n\n /**\n * Clears the textarea's position so that the cursor does not blink on IE.\n * @private\n */\n private clearTextareaPosition() {\n this.textarea.style.left = '';\n this.textarea.style.top = '';\n };\n}\n","/**\n * @license MIT\n */\n\n/**\n * The character sets supported by the terminal. These enable several languages\n * to be represented within the terminal with only 8-bit encoding. See ISO 2022\n * for a discussion on character sets. Only VT100 character sets are supported.\n */\nexport const CHARSETS: {[key: string]: {[key: string]: string}} = {};\n\n/**\n * The default character set, US.\n */\nexport const DEFAULT_CHARSET = CHARSETS['B'];\n\n/**\n * DEC Special Character and Line Drawing Set.\n * Reference: http://vt100.net/docs/vt102-ug/table5-13.html\n * A lot of curses apps use this if they see TERM=xterm.\n * testing: echo -e '\\e(0a\\e(B'\n * The xterm output sometimes seems to conflict with the\n * reference above. xterm seems in line with the reference\n * when running vttest however.\n * The table below now uses xterm's output from vttest.\n */\nCHARSETS['0'] = {\n '`': '\\u25c6', // '◆'\n 'a': '\\u2592', // '▒'\n 'b': '\\u0009', // '\\t'\n 'c': '\\u000c', // '\\f'\n 'd': '\\u000d', // '\\r'\n 'e': '\\u000a', // '\\n'\n 'f': '\\u00b0', // '°'\n 'g': '\\u00b1', // '±'\n 'h': '\\u2424', // '\\u2424' (NL)\n 'i': '\\u000b', // '\\v'\n 'j': '\\u2518', // '┘'\n 'k': '\\u2510', // '┐'\n 'l': '\\u250c', // '┌'\n 'm': '\\u2514', // '└'\n 'n': '\\u253c', // '┼'\n 'o': '\\u23ba', // '⎺'\n 'p': '\\u23bb', // '⎻'\n 'q': '\\u2500', // '─'\n 'r': '\\u23bc', // '⎼'\n 's': '\\u23bd', // '⎽'\n 't': '\\u251c', // '├'\n 'u': '\\u2524', // '┤'\n 'v': '\\u2534', // '┴'\n 'w': '\\u252c', // '┬'\n 'x': '\\u2502', // '│'\n 'y': '\\u2264', // '≤'\n 'z': '\\u2265', // '≥'\n '{': '\\u03c0', // 'π'\n '|': '\\u2260', // '≠'\n '}': '\\u00a3', // '£'\n '~': '\\u00b7' // '·'\n};\n\n/**\n * British character set\n * ESC (A\n * Reference: http://vt100.net/docs/vt220-rm/table2-5.html\n */\nCHARSETS['A'] = {\n '#': '£'\n};\n\n/**\n * United States character set\n * ESC (B\n */\nCHARSETS['B'] = null;\n\n/**\n * Dutch character set\n * ESC (4\n * Reference: http://vt100.net/docs/vt220-rm/table2-6.html\n */\nCHARSETS['4'] = {\n '#': '£',\n '@': '¾',\n '[': 'ij',\n '\\\\': '½',\n ']': '|',\n '{': '¨',\n '|': 'f',\n '}': '¼',\n '~': '´'\n};\n\n/**\n * Finnish character set\n * ESC (C or ESC (5\n * Reference: http://vt100.net/docs/vt220-rm/table2-7.html\n */\nCHARSETS['C'] =\nCHARSETS['5'] = {\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Å',\n '^': 'Ü',\n '`': 'é',\n '{': 'ä',\n '|': 'ö',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * French character set\n * ESC (R\n * Reference: http://vt100.net/docs/vt220-rm/table2-8.html\n */\nCHARSETS['R'] = {\n '#': '£',\n '@': 'à',\n '[': '°',\n '\\\\': 'ç',\n ']': '§',\n '{': 'é',\n '|': 'ù',\n '}': 'è',\n '~': '¨'\n};\n\n/**\n * French Canadian character set\n * ESC (Q\n * Reference: http://vt100.net/docs/vt220-rm/table2-9.html\n */\nCHARSETS['Q'] = {\n '@': 'à',\n '[': 'â',\n '\\\\': 'ç',\n ']': 'ê',\n '^': 'î',\n '`': 'ô',\n '{': 'é',\n '|': 'ù',\n '}': 'è',\n '~': 'û'\n};\n\n/**\n * German character set\n * ESC (K\n * Reference: http://vt100.net/docs/vt220-rm/table2-10.html\n */\nCHARSETS['K'] = {\n '@': '§',\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Ü',\n '{': 'ä',\n '|': 'ö',\n '}': 'ü',\n '~': 'ß'\n};\n\n/**\n * Italian character set\n * ESC (Y\n * Reference: http://vt100.net/docs/vt220-rm/table2-11.html\n */\nCHARSETS['Y'] = {\n '#': '£',\n '@': '§',\n '[': '°',\n '\\\\': 'ç',\n ']': 'é',\n '`': 'ù',\n '{': 'à',\n '|': 'ò',\n '}': 'è',\n '~': 'ì'\n};\n\n/**\n * Norwegian/Danish character set\n * ESC (E or ESC (6\n * Reference: http://vt100.net/docs/vt220-rm/table2-12.html\n */\nCHARSETS['E'] =\nCHARSETS['6'] = {\n '@': 'Ä',\n '[': 'Æ',\n '\\\\': 'Ø',\n ']': 'Å',\n '^': 'Ü',\n '`': 'ä',\n '{': 'æ',\n '|': 'ø',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * Spanish character set\n * ESC (Z\n * Reference: http://vt100.net/docs/vt220-rm/table2-13.html\n */\nCHARSETS['Z'] = {\n '#': '£',\n '@': '§',\n '[': '¡',\n '\\\\': 'Ñ',\n ']': '¿',\n '{': '°',\n '|': 'ñ',\n '}': 'ç'\n};\n\n/**\n * Swedish character set\n * ESC (H or ESC (7\n * Reference: http://vt100.net/docs/vt220-rm/table2-14.html\n */\nCHARSETS['H'] =\nCHARSETS['7'] = {\n '@': 'É',\n '[': 'Ä',\n '\\\\': 'Ö',\n ']': 'Å',\n '^': 'Ü',\n '`': 'é',\n '{': 'ä',\n '|': 'ö',\n '}': 'å',\n '~': 'ü'\n};\n\n/**\n * Swiss character set\n * ESC (=\n * Reference: http://vt100.net/docs/vt220-rm/table2-15.html\n */\nCHARSETS['='] = {\n '#': 'ù',\n '@': 'à',\n '[': 'é',\n '\\\\': 'ç',\n ']': 'ê',\n '^': 'î',\n '_': 'è',\n '`': 'ô',\n '{': 'ä',\n '|': 'ö',\n '}': 'ü',\n '~': 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