diff options
Diffstat (limited to 'third_party/rust/libz-sys/src/zlib-1.2.8/contrib/dotzlib/DotZLib/Inflater.cs')
-rw-r--r-- | third_party/rust/libz-sys/src/zlib-1.2.8/contrib/dotzlib/DotZLib/Inflater.cs | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/third_party/rust/libz-sys/src/zlib-1.2.8/contrib/dotzlib/DotZLib/Inflater.cs b/third_party/rust/libz-sys/src/zlib-1.2.8/contrib/dotzlib/DotZLib/Inflater.cs deleted file mode 100644 index 8ed5451d6..000000000 --- a/third_party/rust/libz-sys/src/zlib-1.2.8/contrib/dotzlib/DotZLib/Inflater.cs +++ /dev/null @@ -1,105 +0,0 @@ -//
-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.Diagnostics;
-using System.Runtime.InteropServices;
-
-namespace DotZLib
-{
-
- /// <summary>
- /// Implements a data decompressor, using the inflate algorithm in the ZLib dll
- /// </summary>
- public class Inflater : CodecBase
- {
- #region Dll imports
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)]
- private static extern int inflateInit_(ref ZStream sz, string vs, int size);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int inflate(ref ZStream sz, int flush);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int inflateReset(ref ZStream sz);
-
- [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
- private static extern int inflateEnd(ref ZStream sz);
- #endregion
-
- /// <summary>
- /// Constructs an new instance of the <c>Inflater</c>
- /// </summary>
- public Inflater() : base()
- {
- int retval = inflateInit_(ref _ztream, Info.Version, Marshal.SizeOf(_ztream));
- if (retval != 0)
- throw new ZLibException(retval, "Could not initialize inflater");
-
- resetOutput();
- }
-
-
- /// <summary>
- /// Adds more data to the codec to be processed.
- /// </summary>
- /// <param name="data">Byte array containing the data to be added to the codec</param>
- /// <param name="offset">The index of the first byte to add from <c>data</c></param>
- /// <param name="count">The number of bytes to add</param>
- /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
- public override void Add(byte[] data, int offset, int count)
- {
- if (data == null) throw new ArgumentNullException();
- if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
- if ((offset+count) > data.Length) throw new ArgumentException();
-
- int total = count;
- int inputIndex = offset;
- int err = 0;
-
- while (err >= 0 && inputIndex < total)
- {
- copyInput(data, inputIndex, Math.Min(total - inputIndex, kBufferSize));
- err = inflate(ref _ztream, (int)FlushTypes.None);
- if (err == 0)
- while (_ztream.avail_out == 0)
- {
- OnDataAvailable();
- err = inflate(ref _ztream, (int)FlushTypes.None);
- }
-
- inputIndex += (int)_ztream.total_in;
- }
- setChecksum( _ztream.adler );
- }
-
-
- /// <summary>
- /// Finishes up any pending data that needs to be processed and handled.
- /// </summary>
- public override void Finish()
- {
- int err;
- do
- {
- err = inflate(ref _ztream, (int)FlushTypes.Finish);
- OnDataAvailable();
- }
- while (err == 0);
- setChecksum( _ztream.adler );
- inflateReset(ref _ztream);
- resetOutput();
- }
-
- /// <summary>
- /// Closes the internal zlib inflate stream
- /// </summary>
- protected override void CleanUp() { inflateEnd(ref _ztream); }
-
-
- }
-}
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