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https://github.com/Xevion/easy7zip.git
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96 lines
1.9 KiB
C++
96 lines
1.9 KiB
C++
// XzDecoder.h
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#ifndef __XZ_DECODER_H
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#define __XZ_DECODER_H
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#include "../../Common/MyCom.h"
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#include "../ICoder.h"
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#include "../../../C/Xz.h"
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// #include "../../Archive/XzHandler.h"
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namespace NCompress {
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namespace NXz {
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struct CXzUnpackerCPP
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{
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Byte *InBuf;
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Byte *OutBuf;
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CXzUnpacker p;
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CXzUnpackerCPP();
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~CXzUnpackerCPP();
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};
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struct CStatInfo
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{
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UInt64 InSize;
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UInt64 OutSize;
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UInt64 PhySize;
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UInt64 NumStreams;
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UInt64 NumBlocks;
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bool UnpackSize_Defined;
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bool NumStreams_Defined;
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bool NumBlocks_Defined;
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bool IsArc;
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bool UnexpectedEnd;
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bool DataAfterEnd;
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bool Unsupported;
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bool HeadersError;
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bool DataError;
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bool CrcError;
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CStatInfo() { Clear(); }
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void Clear();
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};
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struct CDecoder: public CStatInfo
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{
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CXzUnpackerCPP xzu;
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SRes DecodeRes; // it's not HRESULT
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CDecoder(): DecodeRes(SZ_OK) {}
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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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Int32 Get_Extract_OperationResult() const;
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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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public CMyUnknownImp
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{
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CDecoder _decoder;
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bool _finishStream;
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public:
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MY_UNKNOWN_IMP2(
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ICompressSetFinishMode,
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ICompressGetInStreamProcessedSize)
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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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CComDecoder(): _finishStream(false) {}
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};
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}}
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#endif
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