diff options
Diffstat (limited to '3rdparty/lzma/CPP/7zip/Compress/PpmdDecoder.h')
-rw-r--r-- | 3rdparty/lzma/CPP/7zip/Compress/PpmdDecoder.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/3rdparty/lzma/CPP/7zip/Compress/PpmdDecoder.h b/3rdparty/lzma/CPP/7zip/Compress/PpmdDecoder.h new file mode 100644 index 00000000000..8ebcd700c7d --- /dev/null +++ b/3rdparty/lzma/CPP/7zip/Compress/PpmdDecoder.h @@ -0,0 +1,78 @@ +// PpmdDecoder.h +// 2009-03-11 : Igor Pavlov : Public domain + +#ifndef __COMPRESS_PPMD_DECODER_H +#define __COMPRESS_PPMD_DECODER_H + +#include "../../../C/Ppmd7.h" + +#include "../../Common/MyCom.h" + +#include "../Common/CWrappers.h" + +#include "../ICoder.h" + +namespace NCompress { +namespace NPpmd { + +class CDecoder : + public ICompressCoder, + public ICompressSetDecoderProperties2, + #ifndef NO_READ_FROM_CODER + public ICompressSetInStream, + public ICompressSetOutStreamSize, + public ISequentialInStream, + #endif + public CMyUnknownImp +{ + Byte *_outBuf; + CPpmd7z_RangeDec _rangeDec; + CByteInBufWrap _inStream; + CPpmd7 _ppmd; + + Byte _order; + bool _outSizeDefined; + int _status; + UInt64 _outSize; + UInt64 _processedSize; + + HRESULT CodeSpec(Byte *memStream, UInt32 size); + +public: + + #ifndef NO_READ_FROM_CODER + CMyComPtr<ISequentialInStream> InSeqStream; + MY_UNKNOWN_IMP4( + ICompressSetDecoderProperties2, + ICompressSetInStream, + ICompressSetOutStreamSize, + ISequentialInStream) + #else + MY_UNKNOWN_IMP1( + ICompressSetDecoderProperties2) + #endif + + STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream, + const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress); + STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size); + STDMETHOD(SetOutStreamSize)(const UInt64 *outSize); + + #ifndef NO_READ_FROM_CODER + STDMETHOD(SetInStream)(ISequentialInStream *inStream); + STDMETHOD(ReleaseInStream)(); + STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); + #endif + + CDecoder(): _outBuf(NULL), _outSizeDefined(false) + { + Ppmd7z_RangeDec_CreateVTable(&_rangeDec); + _rangeDec.Stream = &_inStream.p; + Ppmd7_Construct(&_ppmd); + } + + ~CDecoder(); +}; + +}} + +#endif |