diff options
Diffstat (limited to 'compat/zlib/contrib/dotzlib/DotZLib')
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs | 116 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/ChecksumImpl.cs | 402 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/CircularBuffer.cs | 166 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/CodecBase.cs | 396 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/Deflater.cs | 212 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/DotZLib.cs | 576 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj | 282 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/GZipStream.cs | 602 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/Inflater.cs | 210 | ||||
| -rw-r--r-- | compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs | 548 |
10 files changed, 1755 insertions, 1755 deletions
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs b/compat/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs index 724c534..0491bfc 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs @@ -1,58 +1,58 @@ -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("")] +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("")]
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/ChecksumImpl.cs b/compat/zlib/contrib/dotzlib/DotZLib/ChecksumImpl.cs index b110dae..788b2fc 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/ChecksumImpl.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/ChecksumImpl.cs @@ -1,202 +1,202 @@ -// -// © 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 - +//
+// © 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
+
}
\ No newline at end of file diff --git a/compat/zlib/contrib/dotzlib/DotZLib/CircularBuffer.cs b/compat/zlib/contrib/dotzlib/DotZLib/CircularBuffer.cs index 9c8d601..c1cab3a 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/CircularBuffer.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/CircularBuffer.cs @@ -1,83 +1,83 @@ -// -// © 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; - } - - } -} +//
+// © 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;
+ }
+
+ }
+}
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/CodecBase.cs b/compat/zlib/contrib/dotzlib/DotZLib/CodecBase.cs index b0eb78a..42e6da3 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/CodecBase.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/CodecBase.cs @@ -1,198 +1,198 @@ -// -// © 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 - - } -} +//
+// © 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
+
+ }
+}
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/Deflater.cs b/compat/zlib/contrib/dotzlib/DotZLib/Deflater.cs index 9039f41..c247792 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/Deflater.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/Deflater.cs @@ -1,106 +1,106 @@ -// -// © 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); } - - } -} +//
+// © 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); }
+
+ }
+}
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.cs b/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.cs index 90c7c3b..be184b4 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.cs @@ -1,288 +1,288 @@ -// -// © 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 - -} +//
+// © 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
+
+}
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj b/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj index dea7fb1..71eeb85 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj +++ b/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj @@ -1,141 +1,141 @@ -<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> - +<VisualStudioProject>
+ <CSHARP
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+ >
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+ OutputType = "Library"
+ PreBuildEvent = ""
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+ StartupObject = ""
+ >
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+ Name = "Debug"
+ AllowUnsafeBlocks = "false"
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+ OutputPath = "bin\Release\"
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+ RemoveIntegerChecks = "false"
+ TreatWarningsAsErrors = "false"
+ WarningLevel = "4"
+ />
+ </Settings>
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diff --git a/compat/zlib/contrib/dotzlib/DotZLib/GZipStream.cs b/compat/zlib/contrib/dotzlib/DotZLib/GZipStream.cs index f0eada1..b161300 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/GZipStream.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/GZipStream.cs @@ -1,301 +1,301 @@ -// -// © 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 > 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 > 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 - } -} +//
+// © 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 > 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 > 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
+ }
+}
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/Inflater.cs b/compat/zlib/contrib/dotzlib/DotZLib/Inflater.cs index d295f26..8ed5451 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/Inflater.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/Inflater.cs @@ -1,105 +1,105 @@ -// -// © 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); } - - - } -} +//
+// © 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); }
+
+
+ }
+}
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs b/compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs index 6e3b609..3bbcc8c 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs +++ b/compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs @@ -1,274 +1,274 @@ -// -// © 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("1.2.4", 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
\ No newline at end of file +//
+// © 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("1.2.5", 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
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