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93 lines
2.1 KiB
93 lines
2.1 KiB
// XzDecoder.h
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#ifndef __XZ_DECODER_H
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#define __XZ_DECODER_H
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#include "../../../C/Xz.h"
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#include "../../Common/MyCom.h"
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#include "../ICoder.h"
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namespace NCompress {
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namespace NXz {
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struct CDecoder
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{
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CXzDecMtHandle xz;
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int _tryMt;
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UInt32 _numThreads;
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UInt64 _memUsage;
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SRes MainDecodeSRes; // it's not HRESULT
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bool MainDecodeSRes_wasUsed;
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CXzStatInfo Stat;
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CDecoder():
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xz(NULL),
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_tryMt(True),
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_numThreads(1),
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_memUsage((UInt64)(sizeof(size_t)) << 28),
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MainDecodeSRes(SZ_OK),
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MainDecodeSRes_wasUsed(false)
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{}
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~CDecoder()
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{
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if (xz)
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XzDecMt_Destroy(xz);
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}
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/* Decode() can return ERROR code only if there is progress or stream error.
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Decode() returns S_OK in case of xz decoding error, but DecodeRes and CStatInfo contain error information */
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HRESULT Decode(ISequentialInStream *seqInStream, ISequentialOutStream *outStream,
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const UInt64 *outSizeLimit, bool finishStream, ICompressProgressInfo *compressProgress);
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};
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class CComDecoder:
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public ICompressCoder,
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public ICompressSetFinishMode,
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public ICompressGetInStreamProcessedSize,
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#ifndef _7ZIP_ST
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public ICompressSetCoderMt,
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public ICompressSetMemLimit,
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#endif
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public CMyUnknownImp,
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public CDecoder
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{
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bool _finishStream;
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public:
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MY_QUERYINTERFACE_BEGIN2(ICompressCoder)
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MY_QUERYINTERFACE_ENTRY(ICompressSetFinishMode)
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MY_QUERYINTERFACE_ENTRY(ICompressGetInStreamProcessedSize)
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#ifndef _7ZIP_ST
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MY_QUERYINTERFACE_ENTRY(ICompressSetCoderMt)
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MY_QUERYINTERFACE_ENTRY(ICompressSetMemLimit)
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#endif
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MY_QUERYINTERFACE_END
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MY_ADDREF_RELEASE
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STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
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const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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STDMETHOD(SetFinishMode)(UInt32 finishMode);
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STDMETHOD(GetInStreamProcessedSize)(UInt64 *value);
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#ifndef _7ZIP_ST
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STDMETHOD(SetNumberOfThreads)(UInt32 numThreads);
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STDMETHOD(SetMemLimit)(UInt64 memUsage);
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#endif
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CComDecoder(): _finishStream(false) {}
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};
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}}
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#endif
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