Files
OpenRA/OpenRA.Mods.Common/Installer/SourceActions/ExtractRawSourceAction.cs
2024-07-29 21:56:36 +02:00

78 lines
2.8 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 OpenRA.Mods.Common.Widgets.Logic;
using FS = OpenRA.FileSystem.FileSystem;
namespace OpenRA.Mods.Common.Installer
{
public class ExtractRawSourceAction : ISourceAction
{
public void RunActionOnSource(MiniYaml actionYaml, string path, ModData modData, List<string> extracted, Action<string> updateMessage)
{
// Yaml path may be specified relative to a named directory (e.g. ^SupportDir) or the detected source path
var sourcePath = actionYaml.Value.StartsWith('^') ? Platform.ResolvePath(actionYaml.Value) : FS.ResolveCaseInsensitivePath(Path.Combine(path, actionYaml.Value));
using (var source = File.OpenRead(sourcePath))
{
foreach (var node in actionYaml.Nodes)
{
var targetPath = Platform.ResolvePath(node.Key);
if (File.Exists(targetPath))
{
Log.Write("install", "Skipping installed file " + targetPath);
continue;
}
var offsetNode = node.Value.NodeWithKeyOrDefault("Offset");
if (offsetNode == null)
{
Log.Write("install", "Skipping entry with missing Offset definition " + targetPath);
continue;
}
var lengthNode = node.Value.NodeWithKeyOrDefault("Length");
if (lengthNode == null)
{
Log.Write("install", "Skipping entry with missing Length definition " + targetPath);
continue;
}
var length = FieldLoader.GetValue<int>("Length", lengthNode.Value.Value);
source.Position = FieldLoader.GetValue<int>("Offset", offsetNode.Value.Value);
extracted.Add(targetPath);
Directory.CreateDirectory(Path.GetDirectoryName(targetPath));
var displayFilename = Path.GetFileName(Path.GetFileName(targetPath));
Action<long> onProgress = null;
if (length < InstallFromSourceLogic.ShowPercentageThreshold)
updateMessage(TranslationProvider.GetString(InstallFromSourceLogic.Extracing, Translation.Arguments("filename", displayFilename)));
else
onProgress = b => updateMessage(TranslationProvider.GetString(
InstallFromSourceLogic.ExtractingProgress,
Translation.Arguments("filename", displayFilename, "progress", 100 * b / length)));
using (var target = File.OpenWrite(targetPath))
{
Log.Write("install", $"Extracting {sourcePath} -> {targetPath}");
InstallerUtils.CopyStream(source, target, length, onProgress);
}
}
}
}
}
}