Mercurial > vba-linux

     1 // ImplodeDecoder.h

     2 

     3 #ifndef __COMPRESS_IMPLODE_DECODER_H

     4 #define __COMPRESS_IMPLODE_DECODER_H

     5 

     6 #include "../../Common/MyCom.h"

     7 

     8 #include "../ICoder.h"

     9 

    10 #include "ImplodeHuffmanDecoder.h"

    11 #include "LzOutWindow.h"

    12 

    13 namespace NCompress {

    14 namespace NImplode {

    15 namespace NDecoder {

    16 

    17 class CCoder:

    18   public ICompressCoder,

    19   public ICompressSetDecoderProperties2,

    20   public CMyUnknownImp

    21 {

    22   CLzOutWindow m_OutWindowStream;

    23   NBitl::CDecoder<CInBuffer> m_InBitStream;

    24   

    25   NImplode::NHuffman::CDecoder m_LiteralDecoder;

    26   NImplode::NHuffman::CDecoder m_LengthDecoder;

    27   NImplode::NHuffman::CDecoder m_DistanceDecoder;

    28 

    29   bool m_BigDictionaryOn;

    30   bool m_LiteralsOn;

    31 

    32   int m_NumDistanceLowDirectBits;

    33   UInt32 m_MinMatchLength;

    34 

    35   bool ReadLevelItems(NImplode::NHuffman::CDecoder &table, Byte *levels, int numLevelItems);

    36   bool ReadTables();

    37   void DeCodeLevelTable(Byte *newLevels, int numLevels);

    38 public:

    39   CCoder();

    40 

    41   MY_UNKNOWN_IMP1(ICompressSetDecoderProperties2)

    42 

    43   void ReleaseStreams();

    44   HRESULT Flush() { return m_OutWindowStream.Flush(); }

    45 

    46   HRESULT CodeReal(ISequentialInStream *inStream, ISequentialOutStream *outStream,

    47       const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);

    48 

    49   STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,

    50       const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);

    51 

    52   STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size);

    53 };

    54 

    55 }}}

    56 

    57 #endif
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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