diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.cs | 288 | ||||
| -rw-r--r-- | cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj | 141 |
2 files changed, 429 insertions, 0 deletions
diff --git a/cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.cs b/cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.cs new file mode 100644 index 0000000000..410deb0885 --- /dev/null +++ b/cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.cs @@ -0,0 +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
+
+}
diff --git a/cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj b/cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj new file mode 100644 index 0000000000..71eeb8590a --- /dev/null +++ b/cpukit/zlib/contrib/dotzlib/DotZLib/DotZLib.csproj @@ -0,0 +1,141 @@ +<VisualStudioProject>
+ <CSHARP
+ ProjectType = "Local"
+ ProductVersion = "7.10.3077"
+ SchemaVersion = "2.0"
+ ProjectGuid = "{BB1EE0B1-1808-46CB-B786-949D91117FC5}"
+ >
+ <Build>
+ <Settings
+ ApplicationIcon = ""
+ AssemblyKeyContainerName = ""
+ AssemblyName = "DotZLib"
+ AssemblyOriginatorKeyFile = ""
+ DefaultClientScript = "JScript"
+ DefaultHTMLPageLayout = "Grid"
+ DefaultTargetSchema = "IE50"
+ DelaySign = "false"
+ OutputType = "Library"
+ PreBuildEvent = ""
+ PostBuildEvent = ""
+ RootNamespace = "DotZLib"
+ RunPostBuildEvent = "OnBuildSuccess"
+ StartupObject = ""
+ >
+ <Config
+ Name = "Debug"
+ AllowUnsafeBlocks = "false"
+ BaseAddress = "285212672"
+ CheckForOverflowUnderflow = "false"
+ ConfigurationOverrideFile = ""
+ DefineConstants = "DEBUG;TRACE"
+ DocumentationFile = "docs\DotZLib.xml"
+ DebugSymbols = "true"
+ FileAlignment = "4096"
+ IncrementalBuild = "false"
+ NoStdLib = "false"
+ NoWarn = "1591"
+ Optimize = "false"
+ OutputPath = "bin\Debug\"
+ RegisterForComInterop = "false"
+ RemoveIntegerChecks = "false"
+ TreatWarningsAsErrors = "false"
+ WarningLevel = "4"
+ />
+ <Config
+ Name = "Release"
+ AllowUnsafeBlocks = "false"
+ BaseAddress = "285212672"
+ CheckForOverflowUnderflow = "false"
+ ConfigurationOverrideFile = ""
+ DefineConstants = "TRACE"
+ DocumentationFile = "docs\DotZLib.xml"
+ DebugSymbols = "false"
+ FileAlignment = "4096"
+ IncrementalBuild = "false"
+ NoStdLib = "false"
+ NoWarn = ""
+ Optimize = "true"
+ OutputPath = "bin\Release\"
+ RegisterForComInterop = "false"
+ RemoveIntegerChecks = "false"
+ TreatWarningsAsErrors = "false"
+ WarningLevel = "4"
+ />
+ </Settings>
+ <References>
+ <Reference
+ Name = "System"
+ AssemblyName = "System"
+ HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.dll"
+ />
+ <Reference
+ Name = "System.Data"
+ AssemblyName = "System.Data"
+ HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.Data.dll"
+ />
+ <Reference
+ Name = "System.XML"
+ AssemblyName = "System.Xml"
+ HintPath = "C:\WINNT\Microsoft.NET\Framework\v1.1.4322\System.XML.dll"
+ />
+ <Reference
+ Name = "nunit.framework"
+ AssemblyName = "nunit.framework"
+ HintPath = "E:\apps\NUnit V2.1\\bin\nunit.framework.dll"
+ AssemblyFolderKey = "hklm\dn\nunit.framework"
+ />
+ </References>
+ </Build>
+ <Files>
+ <Include>
+ <File
+ RelPath = "AssemblyInfo.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "ChecksumImpl.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "CircularBuffer.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "CodecBase.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "Deflater.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "DotZLib.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "GZipStream.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "Inflater.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ <File
+ RelPath = "UnitTests.cs"
+ SubType = "Code"
+ BuildAction = "Compile"
+ />
+ </Include>
+ </Files>
+ </CSHARP>
+</VisualStudioProject>
+
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