// 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