81 lines
2.8 KiB
C#
81 lines
2.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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using OpenRA.Mods.Common.FileFormats;
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using OpenRA.Mods.Common.Widgets.Logic;
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using FS = OpenRA.FileSystem.FileSystem;
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namespace OpenRA.Mods.Common.Installer
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{
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public class ExtractIscabSourceAction : ISourceAction
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{
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public void RunActionOnSource(MiniYaml actionYaml, string path, ModData modData, List<string> extracted, Action<string> updateMessage)
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{
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// Yaml path may be specified relative to a named directory (e.g. ^SupportDir) or the detected source path
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var sourcePath = actionYaml.Value.StartsWith('^') ? Platform.ResolvePath(actionYaml.Value) : FS.ResolveCaseInsensitivePath(Path.Combine(path, actionYaml.Value));
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var volumeNode = actionYaml.NodeWithKeyOrDefault("Volumes");
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if (volumeNode == null)
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throw new InvalidDataException("extract-iscab entry doesn't define a Volumes node");
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var extractNode = actionYaml.NodeWithKeyOrDefault("Extract");
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if (extractNode == null)
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throw new InvalidDataException("extract-iscab entry doesn't define an Extract node");
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var volumes = new Dictionary<int, Stream>();
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try
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{
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foreach (var node in volumeNode.Value.Nodes)
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{
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var volume = FieldLoader.GetValue<int>("(key)", node.Key);
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var stream = File.OpenRead(FS.ResolveCaseInsensitivePath(Path.Combine(path, node.Value.Value)));
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volumes.Add(volume, stream);
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}
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using (var source = File.OpenRead(sourcePath))
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{
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var reader = new InstallShieldCABCompression(source, volumes);
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foreach (var node in extractNode.Value.Nodes)
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{
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var targetPath = Platform.ResolvePath(node.Key);
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if (File.Exists(targetPath))
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{
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Log.Write("install", "Skipping installed file " + targetPath);
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continue;
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}
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extracted.Add(targetPath);
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Directory.CreateDirectory(Path.GetDirectoryName(targetPath));
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using (var target = File.OpenWrite(targetPath))
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{
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Log.Write("install", $"Extracting {sourcePath} -> {targetPath}");
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var displayFilename = Path.GetFileName(Path.GetFileName(targetPath));
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void OnProgress(int percent) => updateMessage(TranslationProvider.GetString(
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InstallFromSourceLogic.ExtractingProgress,
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Translation.Arguments("filename", displayFilename, "progress", percent)));
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reader.ExtractFile(node.Value.Value, target, OnProgress);
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}
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}
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}
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}
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finally
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{
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foreach (var kv in volumes)
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kv.Value.Dispose();
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}
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}
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}
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}
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