Rename Fluent-related code to be more precise.

OpenRA.Mods.Common/Lint/CheckFluentSyntax.cs

@@ -0,0 +1,63 @@
+#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 Linguini.Syntax.Ast;
+using Linguini.Syntax.Parser;
+using OpenRA.FileSystem;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	sealed class CheckFluentSyntax : ILintPass, ILintMapPass
+	{
+		void ILintMapPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData, Map map)
+		{
+			if (map.TranslationDefinitions == null)
+				return;
+
+			Run(emitError, emitWarning, map, FieldLoader.GetValue<string[]>("value", map.TranslationDefinitions.Value));
+		}
+
+		void ILintPass.Run(Action<string> emitError, Action<string> emitWarning, ModData modData)
+		{
+			Run(emitError, emitWarning, modData.DefaultFileSystem, modData.Manifest.Translations);
+		}
+
+		static void Run(Action<string> emitError, Action<string> emitWarning, IReadOnlyFileSystem fileSystem, string[] paths)
+		{
+			foreach (var path in paths)
+			{
+				var stream = fileSystem.Open(path);
+				using (var reader = new StreamReader(stream))
+				{
+					var ids = new List<string>();
+					var parser = new LinguiniParser(reader);
+					var resource = parser.Parse();
+					foreach (var entry in resource.Entries)
+					{
+						if (entry is Junk junk)
+							emitError($"{junk.GetId()}: {junk.AsStr()} in {path} {junk.Content}.");
+
+						if (entry is AstMessage message)
+						{
+							if (ids.Contains(message.Id.Name.ToString()))
+								emitWarning($"Duplicate ID `{message.Id.Name}` in {path}.");
+
+							ids.Add(message.Id.Name.ToString());
+						}
+					}
+				}
+			}
+		}
+	}
+}