Files
OpenRA/OpenRA.Game/FileSystem/ZipFolder.cs
2016-02-28 20:30:40 +00:00

76 lines
1.8 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2015 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. For more information,
* see COPYING.
*/
#endregion
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using ICSharpCode.SharpZipLib.Zip;
using SZipFile = ICSharpCode.SharpZipLib.Zip.ZipFile;
namespace OpenRA.FileSystem
{
public sealed class ZipFolder : IReadOnlyPackage
{
public string Name { get; private set; }
public ZipFile Parent { get; private set; }
readonly string path;
static ZipFolder()
{
ZipConstants.DefaultCodePage = Encoding.UTF8.CodePage;
}
public ZipFolder(FileSystem context, ZipFile parent, string path, string filename)
{
if (filename.EndsWith("/"))
filename = filename.Substring(0, filename.Length - 1);
Name = filename;
Parent = parent;
if (path.EndsWith("/"))
path = path.Substring(0, path.Length - 1);
this.path = path;
}
public Stream GetStream(string filename)
{
// Zip files use '/' as a path separator
return Parent.GetStream(path + '/' + filename);
}
public IEnumerable<string> Contents
{
get
{
foreach (var entry in Parent.Contents)
{
if (entry.StartsWith(path) && entry != path)
{
var filename = entry.Substring(path.Length + 1);
var dirLevels = filename.Split('/').Count(c => !string.IsNullOrEmpty(c));
if (dirLevels == 1)
yield return filename;
}
}
}
}
public bool Contains(string filename)
{
return Parent.Contains(path + '/' + filename);
}
public void Dispose() { /* nothing to do */ }
}
}