diff options
Diffstat (limited to 'CPP/7zip/Compress/Bcj2Coder.h')
-rwxr-xr-x | CPP/7zip/Compress/Bcj2Coder.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/CPP/7zip/Compress/Bcj2Coder.h b/CPP/7zip/Compress/Bcj2Coder.h new file mode 100755 index 00000000..b8b1e7a9 --- /dev/null +++ b/CPP/7zip/Compress/Bcj2Coder.h @@ -0,0 +1,125 @@ +// Bcj2Coder.h + +#ifndef __COMPRESS_BCJ2_CODER_H +#define __COMPRESS_BCJ2_CODER_H + +#include "../../Common/MyCom.h" + +#include "../ICoder.h" + +#include "RangeCoderBit.h" + +namespace NCompress { +namespace NBcj2 { + +const int kNumMoveBits = 5; + +#ifndef EXTRACT_ONLY + +class CEncoder: + public ICompressCoder2, + public CMyUnknownImp +{ + Byte *_buffer; +public: + CEncoder(): _buffer(0) {}; + ~CEncoder(); + bool Create(); + + COutBuffer _mainStream; + COutBuffer _callStream; + COutBuffer _jumpStream; + NCompress::NRangeCoder::CEncoder _rangeEncoder; + NCompress::NRangeCoder::CBitEncoder<kNumMoveBits> _statusEncoder[256 + 2]; + + HRESULT Flush(); + void ReleaseStreams() + { + _mainStream.ReleaseStream(); + _callStream.ReleaseStream(); + _jumpStream.ReleaseStream(); + _rangeEncoder.ReleaseStream(); + } + + class CCoderReleaser + { + CEncoder *_coder; + public: + CCoderReleaser(CEncoder *coder): _coder(coder) {} + ~CCoderReleaser() { _coder->ReleaseStreams(); } + }; + +public: + + MY_UNKNOWN_IMP + + HRESULT CodeReal(ISequentialInStream **inStreams, + const UInt64 **inSizes, + UInt32 numInStreams, + ISequentialOutStream **outStreams, + const UInt64 **outSizes, + UInt32 numOutStreams, + ICompressProgressInfo *progress); + STDMETHOD(Code)(ISequentialInStream **inStreams, + const UInt64 **inSizes, + UInt32 numInStreams, + ISequentialOutStream **outStreams, + const UInt64 **outSizes, + UInt32 numOutStreams, + ICompressProgressInfo *progress); +}; + +#endif + +class CDecoder: + public ICompressCoder2, + public CMyUnknownImp +{ +public: + CInBuffer _mainInStream; + CInBuffer _callStream; + CInBuffer _jumpStream; + NCompress::NRangeCoder::CDecoder _rangeDecoder; + NCompress::NRangeCoder::CBitDecoder<kNumMoveBits> _statusDecoder[256 + 2]; + + COutBuffer _outStream; + + void ReleaseStreams() + { + _mainInStream.ReleaseStream(); + _callStream.ReleaseStream(); + _jumpStream.ReleaseStream(); + _rangeDecoder.ReleaseStream(); + _outStream.ReleaseStream(); + } + + HRESULT Flush() { return _outStream.Flush(); } + class CCoderReleaser + { + CDecoder *_coder; + public: + CCoderReleaser(CDecoder *coder): _coder(coder) {} + ~CCoderReleaser() { _coder->ReleaseStreams(); } + }; + +public: + MY_UNKNOWN_IMP + HRESULT CodeReal(ISequentialInStream **inStreams, + const UInt64 **inSizes, + UInt32 numInStreams, + ISequentialOutStream **outStreams, + const UInt64 **outSizes, + UInt32 numOutStreams, + ICompressProgressInfo *progress); + STDMETHOD(Code)(ISequentialInStream **inStreams, + const UInt64 **inSizes, + UInt32 numInStreams, + ISequentialOutStream **outStreams, + const UInt64 **outSizes, + UInt32 numOutStreams, + ICompressProgressInfo *progress); +}; + +}} + +#endif |