Mercurial > vba-linux

     1 // PpmdDecoder.h

     2 

     3 #ifndef __COMPRESS_PPMD_DECODER_H

     4 #define __COMPRESS_PPMD_DECODER_H

     5 

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

     7 

     8 #include "../ICoder.h"

     9 

    10 #include "../Common/OutBuffer.h"

    11 

    12 #include "PpmdDecode.h"

    13 #include "RangeCoder.h"

    14 

    15 namespace NCompress {

    16 namespace NPpmd {

    17 

    18 class CDecoder :

    19   public ICompressCoder,

    20   public ICompressSetDecoderProperties2,

    21   #ifndef NO_READ_FROM_CODER

    22   public ICompressSetInStream,

    23   public ICompressSetOutStreamSize,

    24   public ISequentialInStream,

    25   #endif

    26   public CMyUnknownImp

    27 {

    28   CRangeDecoder _rangeDecoder;

    29 

    30   COutBuffer _outStream;

    31 

    32   CDecodeInfo _info;

    33 

    34   Byte _order;

    35   UInt32 _usedMemorySize;

    36 

    37   int _remainLen;

    38   UInt64 _outSize;

    39   bool _outSizeDefined;

    40   UInt64 _processedSize;

    41 

    42   HRESULT CodeSpec(UInt32 num, Byte *memStream);

    43 

    44 public:

    45 

    46   #ifndef NO_READ_FROM_CODER

    47   MY_UNKNOWN_IMP4(

    48       ICompressSetDecoderProperties2,

    49       ICompressSetInStream,

    50       ICompressSetOutStreamSize,

    51       ISequentialInStream)

    52   #else

    53   MY_UNKNOWN_IMP1(

    54       ICompressSetDecoderProperties2)

    55   #endif

    56 

    57   void ReleaseStreams()

    58   {

    59     ReleaseInStream();

    60     _outStream.ReleaseStream();

    61   }

    62 

    63   HRESULT Flush() { return _outStream.Flush(); }

    64 

    65   STDMETHOD(CodeReal)(ISequentialInStream *inStream, ISequentialOutStream *outStream,

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

    67 

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

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

    70 

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

    72 

    73   STDMETHOD(SetInStream)(ISequentialInStream *inStream);

    74   STDMETHOD(ReleaseInStream)();

    75   STDMETHOD(SetOutStreamSize)(const UInt64 *outSize);

    76 

    77   #ifndef NO_READ_FROM_CODER

    78   STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);

    79   #endif

    80 

    81   CDecoder(): _outSizeDefined(false) {}

    82 };

    83 

    84 }}

    85 

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