79 lines
1.7 KiB
C#
79 lines
1.7 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see LICENSE.
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*/
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#endregion
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using System;
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using System.Collections.Generic;
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using System.IO;
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using ICSharpCode.SharpZipLib.Zip;
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using SZipFile = ICSharpCode.SharpZipLib.Zip.ZipFile;
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using System.Linq;
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namespace OpenRA.FileFormats
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{
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public class ZipFile : IFolder
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{
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readonly SZipFile pkg;
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int priority;
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public ZipFile(string filename, int priority)
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{
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this.priority = priority;
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pkg = new SZipFile(File.OpenRead(filename));
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}
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public Stream GetContent(string filename)
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{
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return pkg.GetInputStream(pkg.GetEntry(filename));
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}
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public IEnumerable<uint> AllFileHashes()
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{
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foreach(ZipEntry entry in pkg)
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yield return PackageEntry.HashFilename(entry.Name);
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}
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public bool Exists(string filename)
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{
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return pkg.GetEntry(filename) != null;
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}
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public int Priority
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{
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get { return 500 + priority; }
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}
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public void Write(Dictionary<string, byte[]> contents)
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{
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pkg.BeginUpdate();
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// TODO: Clear existing content?
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foreach (var kvp in contents)
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{
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pkg.Add(new StaticMemoryDataSource(kvp.Value), kvp.Key);
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}
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pkg.CommitUpdate();
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}
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}
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class StaticMemoryDataSource : IStaticDataSource
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{
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byte[] data;
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public StaticMemoryDataSource (byte[] data)
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{
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this.data = data;
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}
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public Stream GetSource()
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{
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return new MemoryStream(data);
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}
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}
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}
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