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 | 546 |
10 files changed, 1754 insertions, 1754 deletions
diff --git a/compat/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs b/compat/zlib/contrib/dotzlib/DotZLib/AssemblyInfo.cs index 6fc0fdc..724c534 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 dfe7e90..b110dae 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 16997e9..9c8d601 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 954db7d..b0eb78a 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 d7b8dcc..9039f41 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 410deb0..90c7c3b 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 71eeb85..dea7fb1 100644 --- a/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj +++ b/compat/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj @@ -1,141 +1,141 @@ -<VisualStudioProject>
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-// © Copyright Henrik Ravn 2004
-//
-// Use, modification and distribution are subject to the Boost Software License, Version 1.0.
-// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using System;
-using System.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 4e60cda..d295f26 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 8dc00db..6e3b609 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("1.2.3", 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
- }
-}
-
+// +// © 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
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