488 lines
19 KiB
C#
488 lines
19 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 System.Linq;
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using System.Reflection;
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using System.Text.RegularExpressions;
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using Linguini.Syntax.Ast;
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using Linguini.Syntax.Parser;
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using OpenRA.Mods.Common.Scripting;
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using OpenRA.Mods.Common.Scripting.Global;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Scripting;
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using OpenRA.Traits;
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using OpenRA.Widgets;
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namespace OpenRA.Mods.Common.Lint
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{
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sealed class CheckTranslationReference : ILintPass, ILintMapPass
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{
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static readonly Regex TranslationFilenameRegex = new(@"(?<language>[^\/\\]+)\.ftl$");
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void ILintMapPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, Map map)
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{
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if (map.TranslationDefinitions == null)
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return;
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var usedKeys = GetUsedTranslationKeysInMap(map, emitWarning);
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foreach (var context in usedKeys.EmptyKeyContexts)
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emitWarning($"Empty key in map translation files required by {context}");
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var mapTranslations = FieldLoader.GetValue<string[]>("value", map.TranslationDefinitions.Value);
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foreach (var language in GetTranslationLanguages(modData))
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{
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// Check keys and variables are not missing across all language files.
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// But for maps we don't warn on unused keys. They might be unused on *this* map,
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// but the mod or another map may use them and we don't have sight of that.
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CheckKeys(
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modData.Manifest.Translations.Concat(mapTranslations), map.Open, usedKeys,
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language, _ => false, emitError, emitWarning);
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var modTranslation = new Translation(language, modData.Manifest.Translations, modData.DefaultFileSystem, _ => { });
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var mapTranslation = new Translation(language, mapTranslations, map, error => emitError(error.Message));
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foreach (var group in usedKeys.KeysWithContext)
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{
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if (modTranslation.HasMessage(group.Key))
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{
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if (mapTranslation.HasMessage(group.Key))
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emitWarning($"Key `{group.Key}` in `{language}` language in map translation files already exists in mod translations and will not be used.");
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}
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else if (!mapTranslation.HasMessage(group.Key))
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{
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foreach (var context in group)
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emitWarning($"Missing key `{group.Key}` in `{language}` language in map translation files required by {context}");
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}
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}
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}
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}
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void ILintPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData)
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{
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var (usedKeys, testedFields) = GetUsedTranslationKeysInMod(modData);
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foreach (var context in usedKeys.EmptyKeyContexts)
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emitWarning($"Empty key in mod translation files required by {context}");
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foreach (var language in GetTranslationLanguages(modData))
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{
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Console.WriteLine($"Testing translation: {language}");
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var translation = new Translation(language, modData.Manifest.Translations, modData.DefaultFileSystem, error => emitError(error.Message));
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CheckModWidgets(modData, usedKeys, testedFields);
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// With the fully populated keys, check keys and variables are not missing and not unused across all language files.
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var keyWithAttrs = CheckKeys(
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modData.Manifest.Translations, modData.DefaultFileSystem.Open, usedKeys,
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language,
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file =>
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!modData.Manifest.AllowUnusedTranslationsInExternalPackages ||
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!modData.DefaultFileSystem.IsExternalFile(file),
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emitError, emitWarning);
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foreach (var group in usedKeys.KeysWithContext)
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{
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if (keyWithAttrs.Contains(group.Key))
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continue;
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foreach (var context in group)
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emitWarning($"Missing key `{group.Key}` in `{language}` language in mod translation files required by {context}");
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}
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}
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// Check if we couldn't test any fields.
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const BindingFlags Binding = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
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var allTranslatableFields = modData.ObjectCreator.GetTypes().SelectMany(t =>
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t.GetFields(Binding).Where(m => Utility.HasAttribute<TranslationReferenceAttribute>(m))).ToArray();
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var untestedFields = allTranslatableFields.Except(testedFields);
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foreach (var field in untestedFields)
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emitError(
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$"Lint pass ({nameof(CheckTranslationReference)}) lacks the know-how to test translatable field " +
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$"`{field.ReflectedType.Name}.{field.Name}` - previous warnings may be incorrect");
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}
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static IEnumerable<string> GetTranslationLanguages(ModData modData)
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{
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return modData.Manifest.Translations
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.Select(filename => TranslationFilenameRegex.Match(filename).Groups["language"].Value)
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.Distinct()
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.OrderBy(l => l);
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}
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static TranslationKeys GetUsedTranslationKeysInRuleset(Ruleset rules)
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{
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var usedKeys = new TranslationKeys();
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foreach (var actorInfo in rules.Actors)
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{
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foreach (var traitInfo in actorInfo.Value.TraitInfos<TraitInfo>())
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{
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var traitType = traitInfo.GetType();
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foreach (var field in Utility.GetFields(traitType))
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{
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var translationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(field, true).SingleOrDefault();
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if (translationReference == null)
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continue;
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foreach (var key in LintExts.GetFieldValues(traitInfo, field, translationReference.DictionaryReference))
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usedKeys.Add(key, translationReference, $"Actor `{actorInfo.Key}` trait `{traitType.Name[..^4]}.{field.Name}`");
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}
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}
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}
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return usedKeys;
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}
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static TranslationKeys GetUsedTranslationKeysInMap(Map map, Action<string> emitWarning)
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{
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var usedKeys = GetUsedTranslationKeysInRuleset(map.Rules);
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var luaScriptInfo = map.Rules.Actors[SystemActors.World].TraitInfoOrDefault<LuaScriptInfo>();
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if (luaScriptInfo != null)
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{
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// Matches expressions such as:
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// UserInterface.Translate("translation-key")
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// UserInterface.Translate("translation-key\"with-escape")
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// UserInterface.Translate("translation-key", { ["attribute"] = foo })
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// UserInterface.Translate("translation-key", { ["attribute\"-with-escape"] = foo })
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// UserInterface.Translate("translation-key", { ["attribute1"] = foo, ["attribute2"] = bar })
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// UserInterface.Translate("translation-key", tableVariable)
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// Extracts groups for the 'key' and each 'attr'.
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// If the table isn't inline like in the last example, extracts it as 'variable'.
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const string UserInterfaceTranslatePattern =
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@"UserInterface\s*\.\s*Translate\s*\(" + // UserInterface.Translate(
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@"\s*""(?<key>(?:[^""\\]|\\.)+?)""\s*" + // "translation-key"
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@"(,\s*({\s*\[\s*""(?<attr>(?:[^""\\]|\\.)*?)""\s*\]\s*=\s*.*?" + // { ["attribute1"] = foo
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@"(\s*,\s*\[\s*""(?<attr>(?:[^""\\]|\\.)*?)""\s*\]\s*=\s*.*?)*\s*}\s*)" + // , ["attribute2"] = bar }
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"|\\s*,\\s*(?<variable>.*?))?" + // tableVariable
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@"\)"; // )
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var translateRegex = new Regex(UserInterfaceTranslatePattern);
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// The script in mods/common/scripts/utils.lua defines some helpers which accept a translation key
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// Matches expressions such as:
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// AddPrimaryObjective(Player, "translation-key")
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// AddSecondaryObjective(Player, "translation-key")
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// AddPrimaryObjective(Player, "translation-key\"with-escape")
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// Extracts groups for the 'key'.
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const string AddObjectivePattern =
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@"(AddPrimaryObjective|AddSecondaryObjective)\s*\(" + // AddPrimaryObjective(
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@".*?\s*,\s*""(?<key>(?:[^""\\]|\\.)+?)""\s*" + // Player, "translation-key"
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@"\)"; // )
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var objectiveRegex = new Regex(AddObjectivePattern);
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foreach (var script in luaScriptInfo.Scripts)
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{
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if (!map.TryOpen(script, out var scriptStream))
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continue;
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using (scriptStream)
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{
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var scriptText = scriptStream.ReadAllText();
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IEnumerable<Match> matches = translateRegex.Matches(scriptText);
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if (luaScriptInfo.Scripts.Contains("utils.lua"))
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matches = matches.Concat(objectiveRegex.Matches(scriptText));
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var scriptTranslations = matches.Select(m =>
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{
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var key = m.Groups["key"].Value.Replace(@"\""", @"""");
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var attrs = m.Groups["attr"].Captures.Select(c => c.Value.Replace(@"\""", @"""")).ToArray();
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var variable = m.Groups["variable"].Value;
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var line = scriptText.Take(m.Index).Count(x => x == '\n') + 1;
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return (Key: key, Attrs: attrs, Variable: variable, Line: line);
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}).ToArray();
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foreach (var (key, attrs, variable, line) in scriptTranslations)
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{
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var context = $"Script {script}:{line}";
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usedKeys.Add(key, new TranslationReferenceAttribute(attrs), context);
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if (variable != "")
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{
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var userInterface = typeof(UserInterfaceGlobal).GetCustomAttribute<ScriptGlobalAttribute>().Name;
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const string Translate = nameof(UserInterfaceGlobal.Translate);
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emitWarning($"{context} calls {userInterface}.{Translate} with key `{key}` and translate args passed as `{variable}`. Inline the args at the callsite for lint analysis.");
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}
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}
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}
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}
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}
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return usedKeys;
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}
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static (TranslationKeys UsedKeys, List<FieldInfo> TestedFields) GetUsedTranslationKeysInMod(ModData modData)
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{
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var usedKeys = GetUsedTranslationKeysInRuleset(modData.DefaultRules);
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var testedFields = new List<FieldInfo>();
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testedFields.AddRange(
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modData.ObjectCreator.GetTypes()
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.Where(t => t.IsSubclassOf(typeof(TraitInfo)))
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.SelectMany(t => t.GetFields().Where(f => f.HasAttribute<TranslationReferenceAttribute>())));
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// HACK: Need to hardcode the custom loader for GameSpeeds.
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var gameSpeeds = modData.Manifest.Get<GameSpeeds>();
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var gameSpeedNameField = typeof(GameSpeed).GetField(nameof(GameSpeed.Name));
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var gameSpeedTranslationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(gameSpeedNameField, true)[0];
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testedFields.Add(gameSpeedNameField);
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foreach (var speed in gameSpeeds.Speeds.Values)
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usedKeys.Add(speed.Name, gameSpeedTranslationReference, $"`{nameof(GameSpeed)}.{nameof(GameSpeed.Name)}`");
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// TODO: linter does not work with LoadUsing
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foreach (var actorInfo in modData.DefaultRules.Actors)
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{
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foreach (var info in actorInfo.Value.TraitInfos<ResourceRendererInfo>())
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{
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var resourceTypeNameField = typeof(ResourceRendererInfo.ResourceTypeInfo).GetField(nameof(ResourceRendererInfo.ResourceTypeInfo.Name));
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var resourceTypeTranslationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(resourceTypeNameField, true)[0];
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testedFields.Add(resourceTypeNameField);
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foreach (var resourceTypes in info.ResourceTypes)
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usedKeys.Add(
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resourceTypes.Value.Name,
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resourceTypeTranslationReference,
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$"`{nameof(ResourceRendererInfo.ResourceTypeInfo)}.{nameof(ResourceRendererInfo.ResourceTypeInfo.Name)}`");
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}
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}
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foreach (var modType in modData.ObjectCreator.GetTypes())
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{
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const BindingFlags Binding = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;
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foreach (var field in modType.GetFields(Binding))
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{
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// Checking for constant string fields.
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if (!field.IsLiteral)
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continue;
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var translationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(field, true).SingleOrDefault();
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if (translationReference == null)
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continue;
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testedFields.Add(field);
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var keys = LintExts.GetFieldValues(null, field, translationReference.DictionaryReference);
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foreach (var key in keys)
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usedKeys.Add(key, translationReference, $"`{field.ReflectedType.Name}.{field.Name}`");
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}
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}
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return (usedKeys, testedFields);
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}
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static void CheckModWidgets(ModData modData, TranslationKeys usedKeys, List<FieldInfo> testedFields)
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{
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var chromeLayoutNodes = BuildChromeTree(modData);
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var widgetTypes = modData.ObjectCreator.GetTypes()
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.Where(t => t.Name.EndsWith("Widget", StringComparison.InvariantCulture) && t.IsSubclassOf(typeof(Widget)))
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.ToList();
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var translationReferencesByWidgetField = widgetTypes.SelectMany(t =>
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{
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var widgetName = t.Name[..^6];
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return Utility.GetFields(t)
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.Select(f =>
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{
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var attribute = Utility.GetCustomAttributes<TranslationReferenceAttribute>(f, true).SingleOrDefault();
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return (WidgetName: widgetName, FieldName: f.Name, TranslationReference: attribute);
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})
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.Where(x => x.TranslationReference != null);
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})
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.ToDictionary(
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x => (x.WidgetName, x.FieldName),
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x => x.TranslationReference);
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testedFields.AddRange(widgetTypes.SelectMany(
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t => Utility.GetFields(t).Where(Utility.HasAttribute<TranslationReferenceAttribute>)));
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foreach (var node in chromeLayoutNodes)
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CheckChrome(node, translationReferencesByWidgetField, usedKeys);
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}
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static MiniYamlNode[] BuildChromeTree(ModData modData)
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{
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// Gather all the nodes together for evaluation.
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var chromeLayoutNodes = modData.Manifest.ChromeLayout
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.SelectMany(filename => MiniYaml.FromStream(modData.DefaultFileSystem.Open(filename), filename))
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.ToArray();
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return chromeLayoutNodes;
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}
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static void CheckChrome(
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MiniYamlNode rootNode,
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Dictionary<(string WidgetName, string FieldName), TranslationReferenceAttribute> translationReferencesByWidgetField,
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TranslationKeys usedKeys)
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{
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var nodeType = rootNode.Key.Split('@')[0];
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foreach (var childNode in rootNode.Value.Nodes)
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{
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var childType = childNode.Key.Split('@')[0];
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if (!translationReferencesByWidgetField.TryGetValue((nodeType, childType), out var translationReference))
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continue;
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var key = childNode.Value.Value;
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usedKeys.Add(key, translationReference, $"Widget `{rootNode.Key}` field `{childType}` in {rootNode.Location}");
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}
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foreach (var childNode in rootNode.Value.Nodes)
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if (childNode.Key == "Children")
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foreach (var n in childNode.Value.Nodes)
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CheckChrome(n, translationReferencesByWidgetField, usedKeys);
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}
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static HashSet<string> CheckKeys(
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IEnumerable<string> translationFiles, Func<string, Stream> openFile, TranslationKeys usedKeys,
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string language, Func<string, bool> checkUnusedKeysForFile,
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Action<string> emitError, Action<string> emitWarning)
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{
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var keyWithAttrs = new HashSet<string>();
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foreach (var file in translationFiles)
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{
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if (!file.EndsWith($"{language}.ftl", StringComparison.Ordinal))
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continue;
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var stream = openFile(file);
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using (var reader = new StreamReader(stream))
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{
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var parser = new LinguiniParser(reader);
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var result = parser.Parse();
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foreach (var entry in result.Entries)
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{
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if (entry is not AstMessage message)
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continue;
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IEnumerable<(Pattern Node, string AttributeName)> nodeAndAttributeNames;
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if (message.Attributes.Count == 0)
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nodeAndAttributeNames = new[] { (message.Value, (string)null) };
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else
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nodeAndAttributeNames = message.Attributes.Select(a => (a.Value, a.Id.Name.ToString()));
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var key = message.GetId();
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foreach (var (node, attributeName) in nodeAndAttributeNames)
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{
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keyWithAttrs.Add(attributeName == null ? key : $"{key}.{attributeName}");
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if (checkUnusedKeysForFile(file))
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CheckUnusedKey(key, attributeName, file, usedKeys, emitWarning);
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CheckVariables(node, key, attributeName, file, usedKeys, emitError, emitWarning);
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}
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}
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}
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}
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return keyWithAttrs;
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static void CheckUnusedKey(string key, string attribute, string file, TranslationKeys usedKeys, Action<string> emitWarning)
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{
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var isAttribute = !string.IsNullOrEmpty(attribute);
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var keyWithAtrr = isAttribute ? $"{key}.{attribute}" : key;
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if (!usedKeys.Contains(keyWithAtrr))
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emitWarning(isAttribute ?
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$"Unused attribute `{attribute}` of key `{key}` in {file}" :
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$"Unused key `{key}` in {file}");
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}
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static void CheckVariables(
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Pattern node, string key, string attribute, string file, TranslationKeys usedKeys,
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Action<string> emitError, Action<string> emitWarning)
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{
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var isAttribute = !string.IsNullOrEmpty(attribute);
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var keyWithAtrr = isAttribute ? $"{key}.{attribute}" : key;
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if (!usedKeys.TryGetRequiredVariables(keyWithAtrr, out var requiredVariables))
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return;
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var variableNames = new HashSet<string>();
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foreach (var element in node.Elements)
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{
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if (element is not Placeable placeable)
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continue;
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AddVariableAndCheckUnusedVariable(placeable);
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if (placeable.Expression is SelectExpression selectExpression)
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foreach (var variant in selectExpression.Variants)
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foreach (var variantElement in variant.Value.Elements)
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if (variantElement is Placeable variantPlaceable)
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AddVariableAndCheckUnusedVariable(variantPlaceable);
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}
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void AddVariableAndCheckUnusedVariable(Placeable placeable)
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{
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if (placeable.Expression is not IInlineExpression inlineExpression ||
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inlineExpression is not VariableReference variableReference)
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return;
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var name = variableReference.Id.Name.ToString();
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variableNames.Add(name);
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if (!requiredVariables.Contains(name))
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emitWarning(isAttribute ?
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$"Unused variable `{name}` for attribute `{attribute}` of key `{key}` in {file}" :
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$"Unused variable `{name}` for key `{key}` in {file}");
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}
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foreach (var name in requiredVariables)
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if (!variableNames.Contains(name))
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emitError(isAttribute ?
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$"Missing variable `{name}` for attribute `{attribute}` of key `{key}` in {file}" :
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$"Missing variable `{name}` for key `{key}` in {file}");
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}
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}
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class TranslationKeys
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{
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readonly HashSet<string> keys = new();
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readonly List<(string Key, string Context)> keysWithContext = new();
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readonly Dictionary<string, HashSet<string>> requiredVariablesByKey = new();
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readonly List<string> contextForEmptyKeys = new();
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public void Add(string key, TranslationReferenceAttribute translationReference, string context)
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{
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if (key == null)
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{
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if (!translationReference.Optional)
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contextForEmptyKeys.Add(context);
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return;
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}
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if (translationReference.RequiredVariableNames != null && translationReference.RequiredVariableNames.Length > 0)
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{
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var rv = requiredVariablesByKey.GetOrAdd(key, _ => new HashSet<string>());
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rv.UnionWith(translationReference.RequiredVariableNames);
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}
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keys.Add(key);
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keysWithContext.Add((key, context));
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}
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public bool TryGetRequiredVariables(string key, out ISet<string> requiredVariables)
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{
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|
if (requiredVariablesByKey.TryGetValue(key, out var rv))
|
|
{
|
|
requiredVariables = rv;
|
|
return true;
|
|
}
|
|
|
|
requiredVariables = null;
|
|
return false;
|
|
}
|
|
|
|
public bool Contains(string key)
|
|
{
|
|
return keys.Contains(key);
|
|
}
|
|
|
|
public ILookup<string, string> KeysWithContext => keysWithContext.OrderBy(x => x.Key).ToLookup(x => x.Key, x => x.Context);
|
|
|
|
public IEnumerable<string> EmptyKeyContexts => contextForEmptyKeys;
|
|
}
|
|
}
|
|
}
|