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// --------------------------------------------------------------------------
//
// File
// Name: BufferedStream.h
// Purpose: Buffering read-only wrapper around IOStreams
// Created: 2007/01/16
//
// --------------------------------------------------------------------------
#ifndef BUFFEREDSTREAM__H
#define BUFFEREDSTREAM__H
#include "IOStream.h"
class BufferedStream : public IOStream
{
private:
IOStream& mrSource;
char mBuffer[4096];
int mBufferSize;
int mBufferPosition;
public:
BufferedStream(IOStream& rSource);
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();
virtual std::string ToString() const
{
return std::string("Buffered ") + mrSource.ToString();
}
private:
BufferedStream(const BufferedStream &rToCopy)
: mrSource(rToCopy.mrSource) { /* do not call */ }
};
#endif // BUFFEREDSTREAM__H
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