From bd3096f21ba3e18f3b9ffadfb63a1d6e3c639925 Mon Sep 17 00:00:00 2001
From: Paul Chote <pchote@users.noreply.github.com>
Date: Sun, 29 May 2016 19:16:28 +0100
Subject: [PATCH] Add command to dump Mix contents.

---
 OpenRA.Game/FileSystem/MixFile.cs             |  9 ++++
 OpenRA.Mods.Common/OpenRA.Mods.Common.csproj  |  1 +
 .../UtilityCommands/ListMixContentsCommand.cs | 50 +++++++++++++++++++
 3 files changed, 60 insertions(+)
 create mode 100644 OpenRA.Mods.Common/UtilityCommands/ListMixContentsCommand.cs

diff --git a/OpenRA.Game/FileSystem/MixFile.cs b/OpenRA.Game/FileSystem/MixFile.cs
index fee7538b2e..7a36fb7e15 100644
--- a/OpenRA.Game/FileSystem/MixFile.cs
+++ b/OpenRA.Game/FileSystem/MixFile.cs
@@ -205,6 +205,15 @@ namespace OpenRA.FileSystem
 			return GetContent(e);
 		}
 
+		public IReadOnlyDictionary<string, PackageEntry> Index
+		{
+			get
+			{
+				var absoluteIndex = index.ToDictionary(e => e.Key, e => new PackageEntry(e.Value.Hash, (uint)(e.Value.Offset + dataStart), e.Value.Length));
+				return new ReadOnlyDictionary<string, PackageEntry>(absoluteIndex);
+			}
+		}
+
 		public bool Contains(string filename)
 		{
 			return index.ContainsKey(filename);
diff --git a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
index dbc816b25a..2a137026fc 100644
--- a/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
+++ b/OpenRA.Mods.Common/OpenRA.Mods.Common.csproj
@@ -752,6 +752,7 @@
     <Compile Include="Traits\Radar\JamsRadar.cs" />
     <Compile Include="AI\DummyAI.cs" />
     <Compile Include="UtilityCommands\ListInstallShieldContentsCommand.cs" />
+    <Compile Include="UtilityCommands\ListMixContentsCommand.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
diff --git a/OpenRA.Mods.Common/UtilityCommands/ListMixContentsCommand.cs b/OpenRA.Mods.Common/UtilityCommands/ListMixContentsCommand.cs
new file mode 100644
index 0000000000..39063b5605
--- /dev/null
+++ b/OpenRA.Mods.Common/UtilityCommands/ListMixContentsCommand.cs
@@ -0,0 +1,50 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2016 The OpenRA Developers (see AUTHORS)
+ * 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.IO;
+using System.Linq;
+using OpenRA.FileSystem;
+
+namespace OpenRA.Mods.Common.UtilityCommands
+{
+	class ListMixContents : IUtilityCommand
+	{
+		public string Name { get { return "--list-mix"; } }
+
+		public bool ValidateArguments(string[] args)
+		{
+			return args.Length == 2;
+		}
+
+		[Desc("ARCHIVE.Z", "Lists the content ranges for a mix file")]
+		public void Run(ModData modData, string[] args)
+		{
+			var filename = Path.GetFileName(args[1]);
+			var path = Path.GetDirectoryName(args[1]);
+
+			var fs = new OpenRA.FileSystem.FileSystem();
+
+			// Needed to access the global mix database
+			fs.LoadFromManifest(modData.Manifest);
+
+			fs.Mount(path, "parent");
+			var package = new MixFile(fs, "parent|" + filename);
+
+			foreach (var kv in package.Index.OrderBy(kv => kv.Value.Offset))
+			{
+				Console.WriteLine("{0}:", kv.Key);
+				Console.WriteLine("\tOffset: {0}", kv.Value.Offset);
+				Console.WriteLine("\tLength: {0}", kv.Value.Length);
+			}
+		}
+	}
+}