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