Files
OpenRA/OpenRA.Mods.Common/Lint/CheckTranslationReference.cs
2024-04-30 11:27:46 +03:00

392 lines
14 KiB
C#

#region Copyright & License Information
/*
* Copyright (c) The OpenRA Developers and Contributors
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;
using Linguini.Syntax.Ast;
using Linguini.Syntax.Parser;
using OpenRA.Mods.Common.Traits;
using OpenRA.Traits;
using OpenRA.Widgets;
namespace OpenRA.Mods.Common.Lint
{
sealed class CheckTranslationReference : ILintPass, ILintMapPass
{
static readonly Regex TranslationFilenameRegex = new(@"(?<language>[^\/\\]+)\.ftl$");
void ILintMapPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, Map map)
{
if (map.TranslationDefinitions == null)
return;
var usedKeys = GetUsedTranslationKeysInRuleset(map.Rules);
foreach (var context in usedKeys.EmptyKeyContexts)
emitWarning($"Empty key in map translation files required by {context}");
var mapTranslations = FieldLoader.GetValue<string[]>("value", map.TranslationDefinitions.Value);
foreach (var language in GetTranslationLanguages(modData))
{
var modTranslation = new Translation(language, modData.Manifest.Translations, modData.DefaultFileSystem, _ => { });
var mapTranslation = new Translation(language, mapTranslations, map, error => emitError(error.Message));
foreach (var group in usedKeys.KeysWithContext)
{
if (modTranslation.HasMessage(group.Key))
{
if (mapTranslation.HasMessage(group.Key))
emitWarning($"Key `{group.Key}` in `{language}` language in map translation files already exists in mod translations and will not be used.");
}
else if (!mapTranslation.HasMessage(group.Key))
{
foreach (var context in group)
emitWarning($"Missing key `{group.Key}` in `{language}` language in map translation files required by {context}");
}
}
}
}
void ILintPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData)
{
var (usedKeys, testedFields) = GetUsedTranslationKeysInMod(modData);
foreach (var context in usedKeys.EmptyKeyContexts)
emitWarning($"Empty key in mod translation files required by {context}");
foreach (var language in GetTranslationLanguages(modData))
{
Console.WriteLine($"Testing translation: {language}");
var translation = new Translation(language, modData.Manifest.Translations, modData.DefaultFileSystem, error => emitError(error.Message));
CheckModWidgets(modData, usedKeys, testedFields);
}
// With the fully populated keys, check keys and variables are not missing and not unused across all language files.
CheckModTranslationFiles(modData, usedKeys, emitError, emitWarning);
// Check if we couldn't test any fields.
const BindingFlags Binding = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
var allTranslatableFields = modData.ObjectCreator.GetTypes().SelectMany(t =>
t.GetFields(Binding).Where(m => Utility.HasAttribute<TranslationReferenceAttribute>(m))).ToArray();
var untestedFields = allTranslatableFields.Except(testedFields);
foreach (var field in untestedFields)
emitError(
$"Lint pass ({nameof(CheckTranslationReference)}) lacks the know-how to test translatable field " +
$"`{field.ReflectedType.Name}.{field.Name}` - previous warnings may be incorrect");
}
static IEnumerable<string> GetTranslationLanguages(ModData modData)
{
return modData.Manifest.Translations
.Select(filename => TranslationFilenameRegex.Match(filename).Groups["language"].Value)
.Distinct()
.OrderBy(l => l);
}
static TranslationKeys GetUsedTranslationKeysInRuleset(Ruleset rules)
{
var usedKeys = new TranslationKeys();
foreach (var actorInfo in rules.Actors)
{
foreach (var traitInfo in actorInfo.Value.TraitInfos<TraitInfo>())
{
var traitType = traitInfo.GetType();
foreach (var field in Utility.GetFields(traitType))
{
var translationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(field, true).SingleOrDefault();
if (translationReference == null)
continue;
var keys = LintExts.GetFieldValues(traitInfo, field, translationReference.DictionaryReference);
foreach (var key in keys)
usedKeys.Add(key, translationReference, $"Actor `{actorInfo.Key}` trait `{traitType.Name[..^4]}.{field.Name}`");
}
}
}
return usedKeys;
}
static (TranslationKeys UsedKeys, List<FieldInfo> TestedFields) GetUsedTranslationKeysInMod(ModData modData)
{
var usedKeys = GetUsedTranslationKeysInRuleset(modData.DefaultRules);
var testedFields = new List<FieldInfo>();
testedFields.AddRange(
modData.ObjectCreator.GetTypes()
.Where(t => t.IsSubclassOf(typeof(TraitInfo)))
.SelectMany(t => t.GetFields().Where(f => f.HasAttribute<TranslationReferenceAttribute>())));
// HACK: Need to hardcode the custom loader for GameSpeeds.
var gameSpeeds = modData.Manifest.Get<GameSpeeds>();
var gameSpeedNameField = typeof(GameSpeed).GetField(nameof(GameSpeed.Name));
var gameSpeedTranslationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(gameSpeedNameField, true)[0];
testedFields.Add(gameSpeedNameField);
foreach (var speed in gameSpeeds.Speeds.Values)
usedKeys.Add(speed.Name, gameSpeedTranslationReference, $"`{nameof(GameSpeed)}.{nameof(GameSpeed.Name)}`");
// TODO: linter does not work with LoadUsing
foreach (var actorInfo in modData.DefaultRules.Actors)
{
foreach (var info in actorInfo.Value.TraitInfos<ResourceRendererInfo>())
{
var resourceTypeNameField = typeof(ResourceRendererInfo.ResourceTypeInfo).GetField(nameof(ResourceRendererInfo.ResourceTypeInfo.Name));
var resourceTypeTranslationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(resourceTypeNameField, true)[0];
testedFields.Add(resourceTypeNameField);
foreach (var resourceTypes in info.ResourceTypes)
usedKeys.Add(resourceTypes.Value.Name, resourceTypeTranslationReference, $"`{nameof(ResourceRendererInfo.ResourceTypeInfo)}.{nameof(ResourceRendererInfo.ResourceTypeInfo.Name)}`");
}
}
foreach (var modType in modData.ObjectCreator.GetTypes())
{
const BindingFlags Binding = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;
foreach (var field in modType.GetFields(Binding))
{
// Checking for constant string fields.
if (!field.IsLiteral)
continue;
var translationReference = Utility.GetCustomAttributes<TranslationReferenceAttribute>(field, true).SingleOrDefault();
if (translationReference == null)
continue;
testedFields.Add(field);
var keys = LintExts.GetFieldValues(null, field, translationReference.DictionaryReference);
foreach (var key in keys)
usedKeys.Add(key, translationReference, $"`{field.ReflectedType.Name}.{field.Name}`");
}
}
return (usedKeys, testedFields);
}
static void CheckModWidgets(ModData modData, TranslationKeys usedKeys, List<FieldInfo> testedFields)
{
var chromeLayoutNodes = BuildChromeTree(modData);
var widgetTypes = modData.ObjectCreator.GetTypes()
.Where(t => t.Name.EndsWith("Widget", StringComparison.InvariantCulture) && t.IsSubclassOf(typeof(Widget)))
.ToList();
var translationReferencesByWidgetField = widgetTypes.SelectMany(t =>
{
var widgetName = t.Name[..^6];
return Utility.GetFields(t)
.Select(f =>
{
var attribute = Utility.GetCustomAttributes<TranslationReferenceAttribute>(f, true).SingleOrDefault();
return (WidgetName: widgetName, FieldName: f.Name, TranslationReference: attribute);
})
.Where(x => x.TranslationReference != null);
})
.ToDictionary(
x => (x.WidgetName, x.FieldName),
x => x.TranslationReference);
testedFields.AddRange(widgetTypes.SelectMany(
t => Utility.GetFields(t).Where(Utility.HasAttribute<TranslationReferenceAttribute>)));
foreach (var node in chromeLayoutNodes)
CheckChrome(node, translationReferencesByWidgetField, usedKeys);
}
static MiniYamlNode[] BuildChromeTree(ModData modData)
{
// Gather all the nodes together for evaluation.
var chromeLayoutNodes = modData.Manifest.ChromeLayout
.SelectMany(filename => MiniYaml.FromStream(modData.DefaultFileSystem.Open(filename), filename))
.ToArray();
return chromeLayoutNodes;
}
static void CheckChrome(
MiniYamlNode rootNode,
Dictionary<(string WidgetName, string FieldName), TranslationReferenceAttribute> translationReferencesByWidgetField,
TranslationKeys usedKeys)
{
var nodeType = rootNode.Key.Split('@')[0];
foreach (var childNode in rootNode.Value.Nodes)
{
var childType = childNode.Key.Split('@')[0];
if (!translationReferencesByWidgetField.TryGetValue((nodeType, childType), out var translationReference))
continue;
var key = childNode.Value.Value;
usedKeys.Add(key, translationReference, $"Widget `{rootNode.Key}` field `{childType}` in {rootNode.Location}");
}
foreach (var childNode in rootNode.Value.Nodes)
if (childNode.Key == "Children")
foreach (var n in childNode.Value.Nodes)
CheckChrome(n, translationReferencesByWidgetField, usedKeys);
}
static void CheckModTranslationFiles(ModData modData, TranslationKeys usedKeys, Action<string> emitError, Action<string> emitWarning)
{
foreach (var language in GetTranslationLanguages(modData))
{
var keyWithAttrs = new HashSet<string>();
foreach (var file in modData.Manifest.Translations)
{
if (!file.EndsWith($"{language}.ftl", StringComparison.Ordinal))
continue;
var stream = modData.DefaultFileSystem.Open(file);
using (var reader = new StreamReader(stream))
{
var parser = new LinguiniParser(reader);
var result = parser.Parse();
foreach (var entry in result.Entries)
{
if (entry is not AstMessage message)
continue;
IEnumerable<(Pattern Node, string AttributeName)> nodeAndAttributeNames;
if (message.Attributes.Count == 0)
nodeAndAttributeNames = new[] { (message.Value, (string)null) };
else
nodeAndAttributeNames = message.Attributes.Select(a => (a.Value, a.Id.Name.ToString()));
var key = message.GetId();
foreach (var (node, attributeName) in nodeAndAttributeNames)
{
keyWithAttrs.Add(attributeName == null ? key : $"{key}.{attributeName}");
CheckUnusedKey(key, attributeName, file, usedKeys, emitWarning);
CheckVariables(node, key, attributeName, file, usedKeys, emitError, emitWarning);
}
}
}
}
foreach (var group in usedKeys.KeysWithContext)
{
if (keyWithAttrs.Contains(group.Key))
continue;
foreach (var context in group)
emitWarning($"Missing key `{group.Key}` in `{language}` language in mod translation files required by {context}");
}
}
static void CheckUnusedKey(string key, string attribute, string file, TranslationKeys usedKeys, Action<string> emitWarning)
{
var isAttribute = !string.IsNullOrEmpty(attribute);
var keyWithAtrr = isAttribute ? $"{key}.{attribute}" : key;
if (!usedKeys.Contains(keyWithAtrr))
emitWarning(isAttribute ?
$"Unused attribute `{attribute}` of key `{key}` in {file}" :
$"Unused key `{key}` in {file}");
}
static void CheckVariables(
Pattern node, string key, string attribute, string file, TranslationKeys usedKeys,
Action<string> emitError, Action<string> emitWarning)
{
var isAttribute = !string.IsNullOrEmpty(attribute);
var keyWithAtrr = isAttribute ? $"{key}.{attribute}" : key;
if (!usedKeys.TryGetRequiredVariables(keyWithAtrr, out var requiredVariables))
return;
var variableNames = new HashSet<string>();
foreach (var element in node.Elements)
{
if (element is not Placeable placeable)
continue;
AddVariableAndCheckUnusedVariable(placeable);
if (placeable.Expression is SelectExpression selectExpression)
foreach (var variant in selectExpression.Variants)
foreach (var variantElement in variant.Value.Elements)
if (variantElement is Placeable variantPlaceable)
AddVariableAndCheckUnusedVariable(variantPlaceable);
}
void AddVariableAndCheckUnusedVariable(Placeable placeable)
{
if (placeable.Expression is not IInlineExpression inlineExpression ||
inlineExpression is not VariableReference variableReference)
return;
var name = variableReference.Id.Name.ToString();
variableNames.Add(name);
if (!requiredVariables.Contains(name))
emitWarning(isAttribute ?
$"Unused variable `{name}` for attribute `{attribute}` of key `{key}` in {file}" :
$"Unused variable `{name}` for key `{key}` in {file}");
}
foreach (var name in requiredVariables)
if (!variableNames.Contains(name))
emitError(isAttribute ?
$"Missing variable `{name}` for attribute `{attribute}` of key `{key}` in {file}" :
$"Missing variable `{name}` for key `{key}` in {file}");
}
}
class TranslationKeys
{
readonly HashSet<string> keys = new();
readonly List<(string Key, string Context)> keysWithContext = new();
readonly Dictionary<string, HashSet<string>> requiredVariablesByKey = new();
readonly List<string> contextForEmptyKeys = new();
public void Add(string key, TranslationReferenceAttribute translationReference, string context)
{
if (key == null)
{
if (!translationReference.Optional)
contextForEmptyKeys.Add(context);
return;
}
if (translationReference.RequiredVariableNames != null)
{
var rv = requiredVariablesByKey.GetOrAdd(key, _ => new HashSet<string>());
rv.UnionWith(translationReference.RequiredVariableNames);
}
keys.Add(key);
keysWithContext.Add((key, context));
}
public bool TryGetRequiredVariables(string key, out ISet<string> requiredVariables)
{
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;
}
}
}