IDHAMemoryXferBytes.h

#ifndef __IDHAMemoryXferBytes_h__
#define __IDHAMemoryXferBytes_h__

#include "IXferBytes.h"

class IDHAMemoryXferBytes : public IXferBytes
{
public:
 IDHAMemoryXferBytes(void);

 virtual ~IDHAMemoryXferBytes(void);

 //--- The IXferBytes interface we must implement ---

 virtual uint32 Read(void* buffer, uint32 num);

 virtual uint32 Write(void* buffer, uint32 num);

 virtual uint64 Seek(int64 numberOfBytes, SeekFromWhere fromHere);

 virtual void Flush(void);

 virtual StreamState GetStreamState(void);

 virtual void SetEndOfStream(void);

protected:
 const char* getBufferPtr(void) const;
 void resizeBuffer(uint32 newSize);

private:

 StreamState fStreamState;
 uint32 fCountBytesStored;
 uint32 fAbsolutePositionInBuffer;
 char* fMyBuffer;
 uint32 fCurrentMaxBuf;

 enum
 {
 eIDHAInitialMaxBuf = 256 * 1024
 };
};

#endif // __IDHAMemoryXferBytes_h__