76 lines
1.5 KiB
C#
76 lines
1.5 KiB
C#
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// ZipArchive.cs created with MonoDevelop
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// User: alan at 16:31 20/10/2008
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//
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// To change standard headers go to Edit->Preferences->Coding->Standard Headers
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//
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using System;
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using System.IO;
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using System.IO.Packaging;
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namespace zipsharp
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{
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class ZipArchive : IDisposable
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{
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internal bool FileActive { get; set; }
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internal ZipHandle Handle { get; private set; }
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ZipStream Stream { get; set; }
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public ZipArchive (string filename, Append append)
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: this (File.Open (filename, FileMode.OpenOrCreate), append)
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{
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}
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public ZipArchive (Stream stream, Append append)
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: this (stream, append, false)
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{
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}
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public ZipArchive (Stream stream, Append append, bool ownsStream)
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{
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Stream = new ZipStream (stream, ownsStream);
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Handle = NativeZip.OpenArchive (Stream.IOFunctions, append);
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}
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static int ConvertCompression (System.IO.Packaging.CompressionOption option)
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{
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switch (option)
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{
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case CompressionOption.SuperFast:
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return 2;
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case CompressionOption.Fast:
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return 4;
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case CompressionOption.Normal:
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return 6;
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case CompressionOption.Maximum:
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return 9;
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default:
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return 0;
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}
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}
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public Stream GetStream (string filename, System.IO.Packaging.CompressionOption option)
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{
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if (FileActive)
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throw new InvalidOperationException ("A file is already open");
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NativeZip.OpenFile (Handle, filename, ConvertCompression (option));
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return new ZipWriteStream (this);
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}
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public void Dispose ()
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{
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NativeZip.CloseArchive (Handle);
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Stream.Close ();
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}
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}
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}
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