physfs/lzma/CPP/7zip/Archive/7z/7zSpecStream.h

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2008-01-23 04:52:35 +01:00
// 7zSpecStream.h
#ifndef __7Z_SPEC_STREAM_H
#define __7Z_SPEC_STREAM_H
#include "../../IStream.h"
#include "../../ICoder.h"
#include "../../../Common/MyCom.h"
class CSequentialInStreamSizeCount2:
public ISequentialInStream,
public ICompressGetSubStreamSize,
public CMyUnknownImp
{
CMyComPtr<ISequentialInStream> _stream;
CMyComPtr<ICompressGetSubStreamSize> _getSubStreamSize;
UInt64 _size;
public:
void Init(ISequentialInStream *stream)
{
_stream = stream;
_getSubStreamSize = 0;
_stream.QueryInterface(IID_ICompressGetSubStreamSize, &_getSubStreamSize);
_size = 0;
}
UInt64 GetSize() const { return _size; }
MY_UNKNOWN_IMP1(ICompressGetSubStreamSize)
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
STDMETHOD(GetSubStreamSize)(UInt64 subStream, UInt64 *value);
};
#endif