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Link zlib statically for windows (#35)

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* Add zlib 1.2.11 sources

* link zlib statically for windows
This commit is contained in:
Dimon4eg
2019-04-19 19:14:03 +03:00
committed by Benjamin Sergeant
parent 5682129b1d
commit f61fd7b7f1
272 changed files with 73130 additions and 1927 deletions
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58
third_party/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs vendored Normal file
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using System.Reflection;
using System.Runtime.CompilerServices;
//
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
//
[assembly: AssemblyTitle("DotZLib")]
[assembly: AssemblyDescription(".Net bindings for ZLib compression dll 1.2.x")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("Henrik Ravn")]
[assembly: AssemblyProduct("")]
[assembly: AssemblyCopyright("(c) 2004 by Henrik Ravn")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
//
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Revision and Build Numbers
// by using the '*' as shown below:
[assembly: AssemblyVersion("1.0.*")]
//
// In order to sign your assembly you must specify a key to use. Refer to the
// Microsoft .NET Framework documentation for more information on assembly signing.
//
// Use the attributes below to control which key is used for signing.
//
// Notes:
// (*) If no key is specified, the assembly is not signed.
// (*) KeyName refers to a key that has been installed in the Crypto Service
// Provider (CSP) on your machine. KeyFile refers to a file which contains
// a key.
// (*) If the KeyFile and the KeyName values are both specified, the
// following processing occurs:
// (1) If the KeyName can be found in the CSP, that key is used.
// (2) If the KeyName does not exist and the KeyFile does exist, the key
// in the KeyFile is installed into the CSP and used.
// (*) In order to create a KeyFile, you can use the sn.exe (Strong Name) utility.
// When specifying the KeyFile, the location of the KeyFile should be
// relative to the project output directory which is
// %Project Directory%\obj\<configuration>. For example, if your KeyFile is
// located in the project directory, you would specify the AssemblyKeyFile
// attribute as [assembly: AssemblyKeyFile("..\\..\\mykey.snk")]
// (*) Delay Signing is an advanced option - see the Microsoft .NET Framework
// documentation for more information on this.
//
[assembly: AssemblyDelaySign(false)]
[assembly: AssemblyKeyFile("")]
[assembly: AssemblyKeyName("")]

202
third_party/zlib/contrib/dotzlib/DotZLib/ChecksumImpl.cs vendored Normal file
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//
// <20> 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.Runtime.InteropServices;
using System.Text;
namespace DotZLib
{
#region ChecksumGeneratorBase
/// <summary>
/// Implements the common functionality needed for all <see cref="ChecksumGenerator"/>s
/// </summary>
/// <example></example>
public abstract class ChecksumGeneratorBase : ChecksumGenerator
{
/// <summary>
/// The value of the current checksum
/// </summary>
protected uint _current;
/// <summary>
/// Initializes a new instance of the checksum generator base - the current checksum is
/// set to zero
/// </summary>
public ChecksumGeneratorBase()
{
_current = 0;
}
/// <summary>
/// Initializes a new instance of the checksum generator basewith a specified value
/// </summary>
/// <param name="initialValue">The value to set the current checksum to</param>
public ChecksumGeneratorBase(uint initialValue)
{
_current = initialValue;
}
/// <summary>
/// Resets the current checksum to zero
/// </summary>
public void Reset() { _current = 0; }
/// <summary>
/// Gets the current checksum value
/// </summary>
public uint Value { get { return _current; } }
/// <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="NullReferenceException"><c>data</c> is a null reference</exception>
/// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception>
/// <remarks>All the other <c>Update</c> methods are implmeneted in terms of this one.
/// This is therefore the only method a derived class has to implement</remarks>
public abstract void Update(byte[] data, int offset, int count);
/// <summary>
/// Updates the current checksum with an array of bytes.
/// </summary>
/// <param name="data">The data to update the checksum with</param>
public void Update(byte[] data)
{
Update(data, 0, data.Length);
}
/// <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>
public void Update(string data)
{
Update(Encoding.UTF8.GetBytes(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>
public void Update(string data, Encoding encoding)
{
Update(encoding.GetBytes(data));
}
}
#endregion
#region CRC32
/// <summary>
/// Implements a CRC32 checksum generator
/// </summary>
public sealed class CRC32Checksum : ChecksumGeneratorBase
{
#region DLL imports
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern uint crc32(uint crc, int data, uint length);
#endregion
/// <summary>
/// Initializes a new instance of the CRC32 checksum generator
/// </summary>
public CRC32Checksum() : base() {}
/// <summary>
/// Initializes a new instance of the CRC32 checksum generator with a specified value
/// </summary>
/// <param name="initialValue">The value to set the current checksum to</param>
public CRC32Checksum(uint initialValue) : base(initialValue) {}
/// <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="NullReferenceException"><c>data</c> is a null reference</exception>
/// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception>
public override void Update(byte[] data, int offset, int count)
{
if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
if ((offset+count) > data.Length) throw new ArgumentException();
GCHandle hData = GCHandle.Alloc(data, GCHandleType.Pinned);
try
{
_current = crc32(_current, hData.AddrOfPinnedObject().ToInt32()+offset, (uint)count);
}
finally
{
hData.Free();
}
}
}
#endregion
#region Adler
/// <summary>
/// Implements a checksum generator that computes the Adler checksum on data
/// </summary>
public sealed class AdlerChecksum : ChecksumGeneratorBase
{
#region DLL imports
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern uint adler32(uint adler, int data, uint length);
#endregion
/// <summary>
/// Initializes a new instance of the Adler checksum generator
/// </summary>
public AdlerChecksum() : base() {}
/// <summary>
/// Initializes a new instance of the Adler checksum generator with a specified value
/// </summary>
/// <param name="initialValue">The value to set the current checksum to</param>
public AdlerChecksum(uint initialValue) : base(initialValue) {}
/// <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="NullReferenceException"><c>data</c> is a null reference</exception>
/// <exception cref="ArgumentOutOfRangeException">Offset or count is negative.</exception>
public override void Update(byte[] data, int offset, int count)
{
if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
if ((offset+count) > data.Length) throw new ArgumentException();
GCHandle hData = GCHandle.Alloc(data, GCHandleType.Pinned);
try
{
_current = adler32(_current, hData.AddrOfPinnedObject().ToInt32()+offset, (uint)count);
}
finally
{
hData.Free();
}
}
}
#endregion
}

83
third_party/zlib/contrib/dotzlib/DotZLib/CircularBuffer.cs vendored Normal file
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//
// <20> 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;
namespace DotZLib
{
/// <summary>
/// This class implements a circular buffer
/// </summary>
internal class CircularBuffer
{
#region Private data
private int _capacity;
private int _head;
private int _tail;
private int _size;
private byte[] _buffer;
#endregion
public CircularBuffer(int capacity)
{
Debug.Assert( capacity > 0 );
_buffer = new byte[capacity];
_capacity = capacity;
_head = 0;
_tail = 0;
_size = 0;
}
public int Size { get { return _size; } }
public int Put(byte[] source, int offset, int count)
{
Debug.Assert( count > 0 );
int trueCount = Math.Min(count, _capacity - Size);
for (int i = 0; i < trueCount; ++i)
_buffer[(_tail+i) % _capacity] = source[offset+i];
_tail += trueCount;
_tail %= _capacity;
_size += trueCount;
return trueCount;
}
public bool Put(byte b)
{
if (Size == _capacity) // no room
return false;
_buffer[_tail++] = b;
_tail %= _capacity;
++_size;
return true;
}
public int Get(byte[] destination, int offset, int count)
{
int trueCount = Math.Min(count,Size);
for (int i = 0; i < trueCount; ++i)
destination[offset + i] = _buffer[(_head+i) % _capacity];
_head += trueCount;
_head %= _capacity;
_size -= trueCount;
return trueCount;
}
public int Get()
{
if (Size == 0)
return -1;
int result = (int)_buffer[_head++ % _capacity];
--_size;
return result;
}
}
}

198
third_party/zlib/contrib/dotzlib/DotZLib/CodecBase.cs vendored Normal file
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//
// <20> 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.Runtime.InteropServices;
namespace DotZLib
{
/// <summary>
/// Implements the common functionality needed for all <see cref="Codec"/>s
/// </summary>
public abstract class CodecBase : Codec, IDisposable
{
#region Data members
/// <summary>
/// Instance of the internal zlib buffer structure that is
/// passed to all functions in the zlib dll
/// </summary>
internal ZStream _ztream = new ZStream();
/// <summary>
/// True if the object instance has been disposed, false otherwise
/// </summary>
protected bool _isDisposed = false;
/// <summary>
/// The size of the internal buffers
/// </summary>
protected const int kBufferSize = 16384;
private byte[] _outBuffer = new byte[kBufferSize];
private byte[] _inBuffer = new byte[kBufferSize];
private GCHandle _hInput;
private GCHandle _hOutput;
private uint _checksum = 0;
#endregion
/// <summary>
/// Initializes a new instance of the <c>CodeBase</c> class.
/// </summary>
public CodecBase()
{
try
{
_hInput = GCHandle.Alloc(_inBuffer, GCHandleType.Pinned);
_hOutput = GCHandle.Alloc(_outBuffer, GCHandleType.Pinned);
}
catch (Exception)
{
CleanUp(false);
throw;
}
}
#region Codec Members
/// <summary>
/// Occurs when more processed data are available.
/// </summary>
public event DataAvailableHandler DataAvailable;
/// <summary>
/// Fires the <see cref="DataAvailable"/> event
/// </summary>
protected void OnDataAvailable()
{
if (_ztream.total_out > 0)
{
if (DataAvailable != null)
DataAvailable( _outBuffer, 0, (int)_ztream.total_out);
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>
/// <remarks>Adding data may, or may not, raise the <c>DataAvailable</c> event</remarks>
public void Add(byte[] data)
{
Add(data,0,data.Length);
}
/// <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>
/// <remarks>This must be implemented by a derived class</remarks>
public abstract void Add(byte[] data, int offset, int count);
/// <summary>
/// Finishes up any pending data that needs to be processed and handled.
/// </summary>
/// <remarks>This must be implemented by a derived class</remarks>
public abstract void Finish();
/// <summary>
/// Gets the checksum of the data that has been added so far
/// </summary>
public uint Checksum { get { return _checksum; } }
#endregion
#region Destructor & IDisposable stuff
/// <summary>
/// Destroys this instance
/// </summary>
~CodecBase()
{
CleanUp(false);
}
/// <summary>
/// Releases any unmanaged resources and calls the <see cref="CleanUp()"/> method of the derived class
/// </summary>
public void Dispose()
{
CleanUp(true);
}
/// <summary>
/// Performs any codec specific cleanup
/// </summary>
/// <remarks>This must be implemented by a derived class</remarks>
protected abstract void CleanUp();
// performs the release of the handles and calls the dereived CleanUp()
private void CleanUp(bool isDisposing)
{
if (!_isDisposed)
{
CleanUp();
if (_hInput.IsAllocated)
_hInput.Free();
if (_hOutput.IsAllocated)
_hOutput.Free();
_isDisposed = true;
}
}
#endregion
#region Helper methods
/// <summary>
/// Copies a number of bytes to the internal codec buffer - ready for proccesing
/// </summary>
/// <param name="data">The byte array that contains the data to copy</param>
/// <param name="startIndex">The index of the first byte to copy</param>
/// <param name="count">The number of bytes to copy from <c>data</c></param>
protected void copyInput(byte[] data, int startIndex, int count)
{
Array.Copy(data, startIndex, _inBuffer,0, count);
_ztream.next_in = _hInput.AddrOfPinnedObject();
_ztream.total_in = 0;
_ztream.avail_in = (uint)count;
}
/// <summary>
/// Resets the internal output buffers to a known state - ready for processing
/// </summary>
protected void resetOutput()
{
_ztream.total_out = 0;
_ztream.avail_out = kBufferSize;
_ztream.next_out = _hOutput.AddrOfPinnedObject();
}
/// <summary>
/// Updates the running checksum property
/// </summary>
/// <param name="newSum">The new checksum value</param>
protected void setChecksum(uint newSum)
{
_checksum = newSum;
}
#endregion
}
}

106
third_party/zlib/contrib/dotzlib/DotZLib/Deflater.cs vendored Normal file
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//
// <20> 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 compressor, using the deflate algorithm in the ZLib dll
/// </summary>
public sealed class Deflater : CodecBase
{
#region Dll imports
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)]
private static extern int deflateInit_(ref ZStream sz, int level, string vs, int size);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int deflate(ref ZStream sz, int flush);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int deflateReset(ref ZStream sz);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int deflateEnd(ref ZStream sz);
#endregion
/// <summary>
/// Constructs an new instance of the <c>Deflater</c>
/// </summary>
/// <param name="level">The compression level to use for this <c>Deflater</c></param>
public Deflater(CompressLevel level) : base()
{
int retval = deflateInit_(ref _ztream, (int)level, Info.Version, Marshal.SizeOf(_ztream));
if (retval != 0)
throw new ZLibException(retval, "Could not initialize deflater");
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));
while (err >= 0 && _ztream.avail_in > 0)
{
err = deflate(ref _ztream, (int)FlushTypes.None);
if (err == 0)
while (_ztream.avail_out == 0)
{
OnDataAvailable();
err = deflate(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 = deflate(ref _ztream, (int)FlushTypes.Finish);
OnDataAvailable();
}
while (err == 0);
setChecksum( _ztream.adler );
deflateReset(ref _ztream);
resetOutput();
}
/// <summary>
/// Closes the internal zlib deflate stream
/// </summary>
protected override void CleanUp() { deflateEnd(ref _ztream); }
}
}

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third_party/zlib/contrib/dotzlib/DotZLib/DotZLib.cs vendored Normal file
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//
// <20> 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
}

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<VisualStudioProject>
<CSHARP
ProjectType = "Local"
ProductVersion = "7.10.3077"
SchemaVersion = "2.0"
ProjectGuid = "{BB1EE0B1-1808-46CB-B786-949D91117FC5}"
>
<Build>
<Settings
ApplicationIcon = ""
AssemblyKeyContainerName = ""
AssemblyName = "DotZLib"
AssemblyOriginatorKeyFile = ""
DefaultClientScript = "JScript"
DefaultHTMLPageLayout = "Grid"
DefaultTargetSchema = "IE50"
DelaySign = "false"
OutputType = "Library"
PreBuildEvent = ""
PostBuildEvent = ""
RootNamespace = "DotZLib"
RunPostBuildEvent = "OnBuildSuccess"
StartupObject = ""
>
<Config
Name = "Debug"
AllowUnsafeBlocks = "false"
BaseAddress = "285212672"
CheckForOverflowUnderflow = "false"
ConfigurationOverrideFile = ""
DefineConstants = "DEBUG;TRACE"
DocumentationFile = "docs\DotZLib.xml"
DebugSymbols = "true"
FileAlignment = "4096"
IncrementalBuild = "false"
NoStdLib = "false"
NoWarn = "1591"
Optimize = "false"
OutputPath = "bin\Debug\"
RegisterForComInterop = "false"
RemoveIntegerChecks = "false"
TreatWarningsAsErrors = "false"
WarningLevel = "4"
/>
<Config
Name = "Release"
AllowUnsafeBlocks = "false"
BaseAddress = "285212672"
CheckForOverflowUnderflow = "false"
ConfigurationOverrideFile = ""
DefineConstants = "TRACE"
DocumentationFile = "docs\DotZLib.xml"
DebugSymbols = "false"
FileAlignment = "4096"
IncrementalBuild = "false"
NoStdLib = "false"
NoWarn = ""
Optimize = "true"
OutputPath = "bin\Release\"
RegisterForComInterop = "false"
RemoveIntegerChecks = "false"
TreatWarningsAsErrors = "false"
WarningLevel = "4"
/>
</Settings>
<References>
<Reference
Name = "System"
AssemblyName = "System"
HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.dll"
/>
<Reference
Name = "System.Data"
AssemblyName = "System.Data"
HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.Data.dll"
/>
<Reference
Name = "System.XML"
AssemblyName = "System.Xml"
HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.XML.dll"
/>
<Reference
Name = "nunit.framework"
AssemblyName = "nunit.framework"
HintPath = "E:\apps\NUnit V2.1\\bin\nunit.framework.dll"
AssemblyFolderKey = "hklm\dn\nunit.framework"
/>
</References>
</Build>
<Files>
<Include>
<File
RelPath = "AssemblyInfo.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "ChecksumImpl.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "CircularBuffer.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "CodecBase.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "Deflater.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "DotZLib.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "GZipStream.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "Inflater.cs"
SubType = "Code"
BuildAction = "Compile"
/>
<File
RelPath = "UnitTests.cs"
SubType = "Code"
BuildAction = "Compile"
/>
</Include>
</Files>
</CSHARP>
</VisualStudioProject>

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third_party/zlib/contrib/dotzlib/DotZLib/GZipStream.cs vendored Normal file
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//
// <20> 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;
namespace DotZLib
{
/// <summary>
/// Implements a compressed <see cref="Stream"/>, in GZip (.gz) format.
/// </summary>
public class GZipStream : Stream, IDisposable
{
#region Dll Imports
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl, CharSet=CharSet.Ansi)]
private static extern IntPtr gzopen(string name, string mode);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int gzclose(IntPtr gzFile);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int gzwrite(IntPtr gzFile, int data, int length);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int gzread(IntPtr gzFile, int data, int length);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int gzgetc(IntPtr gzFile);
[DllImport("ZLIB1.dll", CallingConvention=CallingConvention.Cdecl)]
private static extern int gzputc(IntPtr gzFile, int c);
#endregion
#region Private data
private IntPtr _gzFile;
private bool _isDisposed = false;
private bool _isWriting;
#endregion
#region Constructors
/// <summary>
/// Creates a new file as a writeable GZipStream
/// </summary>
/// <param name="fileName">The name of the compressed file to create</param>
/// <param name="level">The compression level to use when adding data</param>
/// <exception cref="ZLibException">If an error occurred in the internal zlib function</exception>
public GZipStream(string fileName, CompressLevel level)
{
_isWriting = true;
_gzFile = gzopen(fileName, String.Format("wb{0}", (int)level));
if (_gzFile == IntPtr.Zero)
throw new ZLibException(-1, "Could not open " + fileName);
}
/// <summary>
/// Opens an existing file as a readable GZipStream
/// </summary>
/// <param name="fileName">The name of the file to open</param>
/// <exception cref="ZLibException">If an error occurred in the internal zlib function</exception>
public GZipStream(string fileName)
{
_isWriting = false;
_gzFile = gzopen(fileName, "rb");
if (_gzFile == IntPtr.Zero)
throw new ZLibException(-1, "Could not open " + fileName);
}
#endregion
#region Access properties
/// <summary>
/// Returns true of this stream can be read from, false otherwise
/// </summary>
public override bool CanRead
{
get
{
return !_isWriting;
}
}
/// <summary>
/// Returns false.
/// </summary>
public override bool CanSeek
{
get
{
return false;
}
}
/// <summary>
/// Returns true if this tsream is writeable, false otherwise
/// </summary>
public override bool CanWrite
{
get
{
return _isWriting;
}
}
#endregion
#region Destructor & IDispose stuff
/// <summary>
/// Destroys this instance
/// </summary>
~GZipStream()
{
cleanUp(false);
}
/// <summary>
/// Closes the external file handle
/// </summary>
public void Dispose()
{
cleanUp(true);
}
// Does the actual closing of the file handle.
private void cleanUp(bool isDisposing)
{
if (!_isDisposed)
{
gzclose(_gzFile);
_isDisposed = true;
}
}
#endregion
#region Basic reading and writing
/// <summary>
/// Attempts to read a number of bytes from the stream.
/// </summary>
/// <param name="buffer">The destination data buffer</param>
/// <param name="offset">The index of the first destination byte in <c>buffer</c></param>
/// <param name="count">The number of bytes requested</param>
/// <returns>The number of bytes read</returns>
/// <exception cref="ArgumentNullException">If <c>buffer</c> is null</exception>
/// <exception cref="ArgumentOutOfRangeException">If <c>count</c> or <c>offset</c> are negative</exception>
/// <exception cref="ArgumentException">If <c>offset</c> + <c>count</c> is &gt; buffer.Length</exception>
/// <exception cref="NotSupportedException">If this stream is not readable.</exception>
/// <exception cref="ObjectDisposedException">If this stream has been disposed.</exception>
public override int Read(byte[] buffer, int offset, int count)
{
if (!CanRead) throw new NotSupportedException();
if (buffer == null) throw new ArgumentNullException();
if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
if ((offset+count) > buffer.Length) throw new ArgumentException();
if (_isDisposed) throw new ObjectDisposedException("GZipStream");
GCHandle h = GCHandle.Alloc(buffer, GCHandleType.Pinned);
int result;
try
{
result = gzread(_gzFile, h.AddrOfPinnedObject().ToInt32() + offset, count);
if (result < 0)
throw new IOException();
}
finally
{
h.Free();
}
return result;
}
/// <summary>
/// Attempts to read a single byte from the stream.
/// </summary>
/// <returns>The byte that was read, or -1 in case of error or End-Of-File</returns>
public override int ReadByte()
{
if (!CanRead) throw new NotSupportedException();
if (_isDisposed) throw new ObjectDisposedException("GZipStream");
return gzgetc(_gzFile);
}
/// <summary>
/// Writes a number of bytes to the stream
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <exception cref="ArgumentNullException">If <c>buffer</c> is null</exception>
/// <exception cref="ArgumentOutOfRangeException">If <c>count</c> or <c>offset</c> are negative</exception>
/// <exception cref="ArgumentException">If <c>offset</c> + <c>count</c> is &gt; buffer.Length</exception>
/// <exception cref="NotSupportedException">If this stream is not writeable.</exception>
/// <exception cref="ObjectDisposedException">If this stream has been disposed.</exception>
public override void Write(byte[] buffer, int offset, int count)
{
if (!CanWrite) throw new NotSupportedException();
if (buffer == null) throw new ArgumentNullException();
if (offset < 0 || count < 0) throw new ArgumentOutOfRangeException();
if ((offset+count) > buffer.Length) throw new ArgumentException();
if (_isDisposed) throw new ObjectDisposedException("GZipStream");
GCHandle h = GCHandle.Alloc(buffer, GCHandleType.Pinned);
try
{
int result = gzwrite(_gzFile, h.AddrOfPinnedObject().ToInt32() + offset, count);
if (result < 0)
throw new IOException();
}
finally
{
h.Free();
}
}
/// <summary>
/// Writes a single byte to the stream
/// </summary>
/// <param name="value">The byte to add to the stream.</param>
/// <exception cref="NotSupportedException">If this stream is not writeable.</exception>
/// <exception cref="ObjectDisposedException">If this stream has been disposed.</exception>
public override void WriteByte(byte value)
{
if (!CanWrite) throw new NotSupportedException();
if (_isDisposed) throw new ObjectDisposedException("GZipStream");
int result = gzputc(_gzFile, (int)value);
if (result < 0)
throw new IOException();
}
#endregion
#region Position & length stuff
/// <summary>
/// Not supported.
/// </summary>
/// <param name="value"></param>
/// <exception cref="NotSupportedException">Always thrown</exception>
public override void SetLength(long value)
{
throw new NotSupportedException();
}
/// <summary>
/// Not suppported.
/// </summary>
/// <param name="offset"></param>
/// <param name="origin"></param>
/// <returns></returns>
/// <exception cref="NotSupportedException">Always thrown</exception>
public override long Seek(long offset, SeekOrigin origin)
{
throw new NotSupportedException();
}
/// <summary>
/// Flushes the <c>GZipStream</c>.
/// </summary>
/// <remarks>In this implementation, this method does nothing. This is because excessive
/// flushing may degrade the achievable compression rates.</remarks>
public override void Flush()
{
// left empty on purpose
}
/// <summary>
/// Gets/sets the current position in the <c>GZipStream</c>. Not suppported.
/// </summary>
/// <remarks>In this implementation this property is not supported</remarks>
/// <exception cref="NotSupportedException">Always thrown</exception>
public override long Position
{
get
{
throw new NotSupportedException();
}
set
{
throw new NotSupportedException();
}
}
/// <summary>
/// Gets the size of the stream. Not suppported.
/// </summary>
/// <remarks>In this implementation this property is not supported</remarks>
/// <exception cref="NotSupportedException">Always thrown</exception>
public override long Length
{
get
{
throw new NotSupportedException();
}
}
#endregion
}
}

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//
// <20> 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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//
// © 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.Collections;
using System.IO;
// uncomment the define below to include unit tests
//#define nunit
#if nunit
using NUnit.Framework;
// Unit tests for the DotZLib class library
// ----------------------------------------
//
// Use this with NUnit 2 from http://www.nunit.org
//
namespace DotZLibTests
{
using DotZLib;
// helper methods
internal class Utils
{
public static bool byteArrEqual( byte[] lhs, byte[] rhs )
{
if (lhs.Length != rhs.Length)
return false;
for (int i = lhs.Length-1; i >= 0; --i)
if (lhs[i] != rhs[i])
return false;
return true;
}
}
[TestFixture]
public class CircBufferTests
{
#region Circular buffer tests
[Test]
public void SinglePutGet()
{
CircularBuffer buf = new CircularBuffer(10);
Assert.AreEqual( 0, buf.Size );
Assert.AreEqual( -1, buf.Get() );
Assert.IsTrue(buf.Put( 1 ));
Assert.AreEqual( 1, buf.Size );
Assert.AreEqual( 1, buf.Get() );
Assert.AreEqual( 0, buf.Size );
Assert.AreEqual( -1, buf.Get() );
}
[Test]
public void BlockPutGet()
{
CircularBuffer buf = new CircularBuffer(10);
byte[] arr = {1,2,3,4,5,6,7,8,9,10};
Assert.AreEqual( 10, buf.Put(arr,0,10) );
Assert.AreEqual( 10, buf.Size );
Assert.IsFalse( buf.Put(11) );
Assert.AreEqual( 1, buf.Get() );
Assert.IsTrue( buf.Put(11) );
byte[] arr2 = (byte[])arr.Clone();
Assert.AreEqual( 9, buf.Get(arr2,1,9) );
Assert.IsTrue( Utils.byteArrEqual(arr,arr2) );
}
#endregion
}
[TestFixture]
public class ChecksumTests
{
#region CRC32 Tests
[Test]
public void CRC32_Null()
{
CRC32Checksum crc32 = new CRC32Checksum();
Assert.AreEqual( 0, crc32.Value );
crc32 = new CRC32Checksum(1);
Assert.AreEqual( 1, crc32.Value );
crc32 = new CRC32Checksum(556);
Assert.AreEqual( 556, crc32.Value );
}
[Test]
public void CRC32_Data()
{
CRC32Checksum crc32 = new CRC32Checksum();
byte[] data = { 1,2,3,4,5,6,7 };
crc32.Update(data);
Assert.AreEqual( 0x70e46888, crc32.Value );
crc32 = new CRC32Checksum();
crc32.Update("penguin");
Assert.AreEqual( 0x0e5c1a120, crc32.Value );
crc32 = new CRC32Checksum(1);
crc32.Update("penguin");
Assert.AreEqual(0x43b6aa94, crc32.Value);
}
#endregion
#region Adler tests
[Test]
public void Adler_Null()
{
AdlerChecksum adler = new AdlerChecksum();
Assert.AreEqual(0, adler.Value);
adler = new AdlerChecksum(1);
Assert.AreEqual( 1, adler.Value );
adler = new AdlerChecksum(556);
Assert.AreEqual( 556, adler.Value );
}
[Test]
public void Adler_Data()
{
AdlerChecksum adler = new AdlerChecksum(1);
byte[] data = { 1,2,3,4,5,6,7 };
adler.Update(data);
Assert.AreEqual( 0x5b001d, adler.Value );
adler = new AdlerChecksum();
adler.Update("penguin");
Assert.AreEqual(0x0bcf02f6, adler.Value );
adler = new AdlerChecksum(1);
adler.Update("penguin");
Assert.AreEqual(0x0bd602f7, adler.Value);
}
#endregion
}
[TestFixture]
public class InfoTests
{
#region Info tests
[Test]
public void Info_Version()
{
Info info = new Info();
Assert.AreEqual("1.2.11", Info.Version);
Assert.AreEqual(32, info.SizeOfUInt);
Assert.AreEqual(32, info.SizeOfULong);
Assert.AreEqual(32, info.SizeOfPointer);
Assert.AreEqual(32, info.SizeOfOffset);
}
#endregion
}
[TestFixture]
public class DeflateInflateTests
{
#region Deflate tests
[Test]
public void Deflate_Init()
{
using (Deflater def = new Deflater(CompressLevel.Default))
{
}
}
private ArrayList compressedData = new ArrayList();
private uint adler1;
private ArrayList uncompressedData = new ArrayList();
private uint adler2;
public void CDataAvail(byte[] data, int startIndex, int count)
{
for (int i = 0; i < count; ++i)
compressedData.Add(data[i+startIndex]);
}
[Test]
public void Deflate_Compress()
{
compressedData.Clear();
byte[] testData = new byte[35000];
for (int i = 0; i < testData.Length; ++i)
testData[i] = 5;
using (Deflater def = new Deflater((CompressLevel)5))
{
def.DataAvailable += new DataAvailableHandler(CDataAvail);
def.Add(testData);
def.Finish();
adler1 = def.Checksum;
}
}
#endregion
#region Inflate tests
[Test]
public void Inflate_Init()
{
using (Inflater inf = new Inflater())
{
}
}
private void DDataAvail(byte[] data, int startIndex, int count)
{
for (int i = 0; i < count; ++i)
uncompressedData.Add(data[i+startIndex]);
}
[Test]
public void Inflate_Expand()
{
uncompressedData.Clear();
using (Inflater inf = new Inflater())
{
inf.DataAvailable += new DataAvailableHandler(DDataAvail);
inf.Add((byte[])compressedData.ToArray(typeof(byte)));
inf.Finish();
adler2 = inf.Checksum;
}
Assert.AreEqual( adler1, adler2 );
}
#endregion
}
[TestFixture]
public class GZipStreamTests
{
#region GZipStream test
[Test]
public void GZipStream_WriteRead()
{
using (GZipStream gzOut = new GZipStream("gzstream.gz", CompressLevel.Best))
{
BinaryWriter writer = new BinaryWriter(gzOut);
writer.Write("hi there");
writer.Write(Math.PI);
writer.Write(42);
}
using (GZipStream gzIn = new GZipStream("gzstream.gz"))
{
BinaryReader reader = new BinaryReader(gzIn);
string s = reader.ReadString();
Assert.AreEqual("hi there",s);
double d = reader.ReadDouble();
Assert.AreEqual(Math.PI, d);
int i = reader.ReadInt32();
Assert.AreEqual(42,i);
}
}
#endregion
}
}
#endif