1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/7zip/Compress/Bcj2Coder.h	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,125 @@
     1.4 +// Bcj2Coder.h
     1.5 +
     1.6 +#ifndef __COMPRESS_BCJ2_CODER_H
     1.7 +#define __COMPRESS_BCJ2_CODER_H
     1.8 +
     1.9 +#include "../../Common/MyCom.h"
    1.10 +
    1.11 +#include "../ICoder.h"
    1.12 +
    1.13 +#include "RangeCoderBit.h"
    1.14 +
    1.15 +namespace NCompress {
    1.16 +namespace NBcj2 {
    1.17 +
    1.18 +const int kNumMoveBits = 5;
    1.19 +
    1.20 +#ifndef EXTRACT_ONLY
    1.21 +
    1.22 +class CEncoder:
    1.23 +  public ICompressCoder2,
    1.24 +  public CMyUnknownImp
    1.25 +{
    1.26 +  Byte *_buffer;
    1.27 +public:
    1.28 +  CEncoder(): _buffer(0) {};
    1.29 +  ~CEncoder();
    1.30 +  bool Create();
    1.31 +
    1.32 +  COutBuffer _mainStream;
    1.33 +  COutBuffer _callStream;
    1.34 +  COutBuffer _jumpStream;
    1.35 +  NCompress::NRangeCoder::CEncoder _rangeEncoder;
    1.36 +  NCompress::NRangeCoder::CBitEncoder<kNumMoveBits> _statusEncoder[256 + 2];
    1.37 +
    1.38 +  HRESULT Flush();
    1.39 +  void ReleaseStreams()
    1.40 +  {
    1.41 +    _mainStream.ReleaseStream();
    1.42 +    _callStream.ReleaseStream();
    1.43 +    _jumpStream.ReleaseStream();
    1.44 +    _rangeEncoder.ReleaseStream();
    1.45 +  }
    1.46 +
    1.47 +  class CCoderReleaser
    1.48 +  {
    1.49 +    CEncoder *_coder;
    1.50 +  public:
    1.51 +    CCoderReleaser(CEncoder *coder): _coder(coder) {}
    1.52 +    ~CCoderReleaser() {  _coder->ReleaseStreams(); }
    1.53 +  };
    1.54 +
    1.55 +public:
    1.56 +
    1.57 +  MY_UNKNOWN_IMP
    1.58 +
    1.59 +  HRESULT CodeReal(ISequentialInStream **inStreams,
    1.60 +      const UInt64 **inSizes,
    1.61 +      UInt32 numInStreams,
    1.62 +      ISequentialOutStream **outStreams,
    1.63 +      const UInt64 **outSizes,
    1.64 +      UInt32 numOutStreams,
    1.65 +      ICompressProgressInfo *progress);
    1.66 +  STDMETHOD(Code)(ISequentialInStream **inStreams,
    1.67 +      const UInt64 **inSizes,
    1.68 +      UInt32 numInStreams,
    1.69 +      ISequentialOutStream **outStreams,
    1.70 +      const UInt64 **outSizes,
    1.71 +      UInt32 numOutStreams,
    1.72 +      ICompressProgressInfo *progress);
    1.73 +};
    1.74 +
    1.75 +#endif
    1.76 +
    1.77 +class CDecoder:
    1.78 +  public ICompressCoder2,
    1.79 +  public CMyUnknownImp
    1.80 +{
    1.81 +public:
    1.82 +  CInBuffer _mainInStream;
    1.83 +  CInBuffer _callStream;
    1.84 +  CInBuffer _jumpStream;
    1.85 +  NCompress::NRangeCoder::CDecoder _rangeDecoder;
    1.86 +  NCompress::NRangeCoder::CBitDecoder<kNumMoveBits> _statusDecoder[256 + 2];
    1.87 +
    1.88 +  COutBuffer _outStream;
    1.89 +
    1.90 +  void ReleaseStreams()
    1.91 +  {
    1.92 +    _mainInStream.ReleaseStream();
    1.93 +    _callStream.ReleaseStream();
    1.94 +    _jumpStream.ReleaseStream();
    1.95 +    _rangeDecoder.ReleaseStream();
    1.96 +    _outStream.ReleaseStream();
    1.97 +  }
    1.98 +
    1.99 +  HRESULT Flush() { return _outStream.Flush(); }
   1.100 +  class CCoderReleaser
   1.101 +  {
   1.102 +    CDecoder *_coder;
   1.103 +  public:
   1.104 +    CCoderReleaser(CDecoder *coder): _coder(coder) {}
   1.105 +    ~CCoderReleaser()  { _coder->ReleaseStreams(); }
   1.106 +  };
   1.107 +
   1.108 +public:
   1.109 +  MY_UNKNOWN_IMP
   1.110 +  HRESULT CodeReal(ISequentialInStream **inStreams,
   1.111 +      const UInt64 **inSizes,
   1.112 +      UInt32 numInStreams,
   1.113 +      ISequentialOutStream **outStreams,
   1.114 +      const UInt64 **outSizes,
   1.115 +      UInt32 numOutStreams,
   1.116 +      ICompressProgressInfo *progress);
   1.117 +  STDMETHOD(Code)(ISequentialInStream **inStreams,
   1.118 +      const UInt64 **inSizes,
   1.119 +      UInt32 numInStreams,
   1.120 +      ISequentialOutStream **outStreams,
   1.121 +      const UInt64 **outSizes,
   1.122 +      UInt32 numOutStreams,
   1.123 +      ICompressProgressInfo *progress);
   1.124 +};
   1.125 +
   1.126 +}}
   1.127 +
   1.128 +#endif