Add command to dump InstallShield contents.

OpenRA.Mods.Common/UtilityCommands/ListInstallShieldContentsCommand.cs

@@ -0,0 +1,46 @@
+#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 ListInstallShieldContents : IUtilityCommand
+	{
+		public string Name { get { return "--list-installshield"; } }
+
+		public bool ValidateArguments(string[] args)
+		{
+			return args.Length == 2;
+		}
+
+		[Desc("ARCHIVE.Z", "Lists the content ranges for a InstallShield V3 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();
+			fs.Mount(path, "parent");
+			var package = new InstallShieldPackage(fs, "parent|" + filename);
+
+			foreach (var kv in package.Index)
+			{
+				Console.WriteLine("{0}:", kv.Key);
+				Console.WriteLine("\tOffset: {0}", 255 + kv.Value.Offset);
+				Console.WriteLine("\tLength: {0}", kv.Value.Length);
+			}
+		}
+	}
+}