diff options
Diffstat (limited to 'src/libs/7zip/unix/CPP/7zip/Compress/Bcj2Coder.h')
-rw-r--r-- | src/libs/7zip/unix/CPP/7zip/Compress/Bcj2Coder.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Compress/Bcj2Coder.h b/src/libs/7zip/unix/CPP/7zip/Compress/Bcj2Coder.h new file mode 100644 index 000000000..79a713f17 --- /dev/null +++ b/src/libs/7zip/unix/CPP/7zip/Compress/Bcj2Coder.h @@ -0,0 +1,115 @@ +// 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; + bool Create(); + + COutBuffer _mainStream; + COutBuffer _callStream; + COutBuffer _jumpStream; + NCompress::NRangeCoder::CEncoder _rangeEncoder; + NCompress::NRangeCoder::CBitEncoder<kNumMoveBits> _statusEncoder[256 + 2]; + + HRESULT Flush(); +public: + 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); + CEncoder(): _buffer(0) {}; + ~CEncoder(); +}; + +#endif + +class CDecoder: + public ICompressCoder2, + public ICompressSetBufSize, + public CMyUnknownImp +{ + CInBuffer _mainInStream; + CInBuffer _callStream; + CInBuffer _jumpStream; + NCompress::NRangeCoder::CDecoder _rangeDecoder; + NCompress::NRangeCoder::CBitDecoder<kNumMoveBits> _statusDecoder[256 + 2]; + + COutBuffer _outStream; + UInt32 _inBufSizes[4]; + UInt32 _outBufSize; + +public: + 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_IMP1(ICompressSetBufSize); + 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); + + STDMETHOD(SetInBufSize)(UInt32 streamIndex, UInt32 size); + STDMETHOD(SetOutBufSize)(UInt32 streamIndex, UInt32 size); + CDecoder(); +}; + +}} + +#endif |