physfs/lzma/CPP/7zip/Common/LimitedStreams.h

34 lines
694 B
C++

// LimitedStreams.h
#ifndef __LIMITEDSTREAMS_H
#define __LIMITEDSTREAMS_H
#include "../../Common/MyCom.h"
#include "../IStream.h"
class CLimitedSequentialInStream:
public ISequentialInStream,
public CMyUnknownImp
{
CMyComPtr<ISequentialInStream> _stream;
UInt64 _size;
UInt64 _pos;
bool _wasFinished;
public:
void SetStream(ISequentialInStream *stream) { _stream = stream; }
void Init(UInt64 streamSize)
{
_size = streamSize;
_pos = 0;
_wasFinished = false;
}
MY_UNKNOWN_IMP
STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
UInt64 GetSize() const { return _pos; }
bool WasFinished() const { return _wasFinished; }
};
#endif