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Diffstat (limited to 'gcc-4.4.0/zlib/contrib/dotzlib/DotZLib/DotZLib.cs')
-rw-r--r-- | gcc-4.4.0/zlib/contrib/dotzlib/DotZLib/DotZLib.cs | 288 |
1 files changed, 0 insertions, 288 deletions
diff --git a/gcc-4.4.0/zlib/contrib/dotzlib/DotZLib/DotZLib.cs b/gcc-4.4.0/zlib/contrib/dotzlib/DotZLib/DotZLib.cs deleted file mode 100644 index 42c793a72..000000000 --- a/gcc-4.4.0/zlib/contrib/dotzlib/DotZLib/DotZLib.cs +++ /dev/null @@ -1,288 +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.IO; -using System.Runtime.InteropServices; -using System.Text; - - -namespace DotZLib -{ - - #region Internal types - - /// <summary> - /// Defines constants for the various flush types used with zlib - /// </summary> - internal enum FlushTypes - { - None, Partial, Sync, Full, Finish, Block - } - - #region ZStream structure - // internal mapping of the zlib zstream structure for marshalling - [StructLayoutAttribute(LayoutKind.Sequential, Pack=4, Size=0, CharSet=CharSet.Ansi)] - internal struct ZStream - { - public IntPtr next_in; - public uint avail_in; - public uint total_in; - - public IntPtr next_out; - public uint avail_out; - public uint total_out; - - [MarshalAs(UnmanagedType.LPStr)] - string msg; - uint state; - - uint zalloc; - uint zfree; - uint opaque; - - int data_type; - public uint adler; - uint reserved; - } - - #endregion - - #endregion - - #region Public enums - /// <summary> - /// Defines constants for the available compression levels in zlib - /// </summary> - public enum CompressLevel : int - { - /// <summary> - /// The default compression level with a reasonable compromise between compression and speed - /// </summary> - Default = -1, - /// <summary> - /// No compression at all. The data are passed straight through. - /// </summary> - None = 0, - /// <summary> - /// The maximum compression rate available. - /// </summary> - Best = 9, - /// <summary> - /// The fastest available compression level. - /// </summary> - Fastest = 1 - } - #endregion - - #region Exception classes - /// <summary> - /// The exception that is thrown when an error occurs on the zlib dll - /// </summary> - public class ZLibException : ApplicationException - { - /// <summary> - /// Initializes a new instance of the <see cref="ZLibException"/> class with a specified - /// error message and error code - /// </summary> - /// <param name="errorCode">The zlib error code that caused the exception</param> - /// <param name="msg">A message that (hopefully) describes the error</param> - public ZLibException(int errorCode, string msg) : base(String.Format("ZLib error {0} {1}", errorCode, msg)) - { - } - - /// <summary> - /// Initializes a new instance of the <see cref="ZLibException"/> class with a specified - /// error code - /// </summary> - /// <param name="errorCode">The zlib error code that caused the exception</param> - public ZLibException(int errorCode) : base(String.Format("ZLib error {0}", errorCode)) - { - } - } - #endregion - - #region Interfaces - - /// <summary> - /// Declares methods and properties that enables a running checksum to be calculated - /// </summary> - public interface ChecksumGenerator - { - /// <summary> - /// Gets the current value of the checksum - /// </summary> - uint Value { get; } - - /// <summary> - /// Clears the current checksum to 0 - /// </summary> - void Reset(); - - /// <summary> - /// Updates the current checksum with an array of bytes - /// </summary> - /// <param name="data">The data to update the checksum with</param> - void Update(byte[] data); - - /// <summary> - /// Updates the current checksum with part of an array of bytes - /// </summary> - /// <param name="data">The data to update the checksum with</param> - /// <param name="offset">Where in <c>data</c> to start updating</param> - /// <param name="count">The number of bytes from <c>data</c> to use</param> - /// <exception cref="ArgumentException">The sum of offset and count is larger than the length of <c>data</c></exception> - /// <exception cref="ArgumentNullException"><c>data</c> is a null reference</exception> - /// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception> - void Update(byte[] data, int offset, int count); - - /// <summary> - /// Updates the current checksum with the data from a string - /// </summary> - /// <param name="data">The string to update the checksum with</param> - /// <remarks>The characters in the string are converted by the UTF-8 encoding</remarks> - void Update(string data); - - /// <summary> - /// Updates the current checksum with the data from a string, using a specific encoding - /// </summary> - /// <param name="data">The string to update the checksum with</param> - /// <param name="encoding">The encoding to use</param> - void Update(string data, Encoding encoding); - } - - - /// <summary> - /// Represents the method that will be called from a codec when new data - /// are available. - /// </summary> - /// <paramref name="data">The byte array containing the processed data</paramref> - /// <paramref name="startIndex">The index of the first processed byte in <c>data</c></paramref> - /// <paramref name="count">The number of processed bytes available</paramref> - /// <remarks>On return from this method, the data may be overwritten, so grab it while you can. - /// You cannot assume that startIndex will be zero. - /// </remarks> - public delegate void DataAvailableHandler(byte[] data, int startIndex, int count); - - /// <summary> - /// Declares methods and events for implementing compressors/decompressors - /// </summary> - public interface Codec - { - /// <summary> - /// Occurs when more processed data are available. - /// </summary> - event DataAvailableHandler DataAvailable; - - /// <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> - /// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks> - void Add(byte[] data); - - /// <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> - void Add(byte[] data, int offset, int count); - - /// <summary> - /// Finishes up any pending data that needs to be processed and handled. - /// </summary> - void Finish(); - - /// <summary> - /// Gets the checksum of the data that has been added so far - /// </summary> - uint Checksum { get; } - - - } - - #endregion - - #region Classes - /// <summary> - /// Encapsulates general information about the ZLib library - /// </summary> - public class Info - { - #region DLL imports - [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] - private static extern uint zlibCompileFlags(); - - [DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)] - private static extern string zlibVersion(); - #endregion - - #region Private stuff - private uint _flags; - - // helper function that unpacks a bitsize mask - private static int bitSize(uint bits) - { - switch (bits) - { - case 0: return 16; - case 1: return 32; - case 2: return 64; - } - return -1; - } - #endregion - - /// <summary> - /// Constructs an instance of the <c>Info</c> class. - /// </summary> - public Info() - { - _flags = zlibCompileFlags(); - } - - /// <summary> - /// True if the library is compiled with debug info - /// </summary> - public bool HasDebugInfo { get { return 0 != (_flags & 0x100); } } - - /// <summary> - /// True if the library is compiled with assembly optimizations - /// </summary> - public bool UsesAssemblyCode { get { return 0 != (_flags & 0x200); } } - - /// <summary> - /// Gets the size of the unsigned int that was compiled into Zlib - /// </summary> - public int SizeOfUInt { get { return bitSize(_flags & 3); } } - - /// <summary> - /// Gets the size of the unsigned long that was compiled into Zlib - /// </summary> - public int SizeOfULong { get { return bitSize((_flags >> 2) & 3); } } - - /// <summary> - /// Gets the size of the pointers that were compiled into Zlib - /// </summary> - public int SizeOfPointer { get { return bitSize((_flags >> 4) & 3); } } - - /// <summary> - /// Gets the size of the z_off_t type that was compiled into Zlib - /// </summary> - public int SizeOfOffset { get { return bitSize((_flags >> 6) & 3); } } - - /// <summary> - /// Gets the version of ZLib as a string, e.g. "1.2.1" - /// </summary> - public static string Version { get { return zlibVersion(); } } - } - - #endregion - -} |