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// --------------------------------------------------------------------------
//
// File
// Name: ZeroStream.h
// Purpose: An IOStream which returns all zeroes up to a certain size
// Created: 2007/04/28
//
// --------------------------------------------------------------------------
#ifndef ZEROSTREAM__H
#define ZEROSTREAM__H
#include "IOStream.h"
class ZeroStream : public IOStream
{
private:
IOStream::pos_type mSize, mPosition;
public:
ZeroStream(IOStream::pos_type mSize);
virtual int Read(void *pBuffer, int NBytes, int Timeout = IOStream::TimeOutInfinite);
virtual pos_type BytesLeftToRead();
virtual void Write(const void *pBuffer, int NBytes,
int Timeout = IOStream::TimeOutInfinite);
virtual pos_type GetPosition() const;
virtual void Seek(IOStream::pos_type Offset, int SeekType);
virtual void Close();
virtual bool StreamDataLeft();
virtual bool StreamClosed();
private:
ZeroStream(const ZeroStream &rToCopy);
};
#endif // ZEROSTREAM__H
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