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// Author: Eray Ozkural (exa) <erayo@cs.bilkent.edu.tr>, (c) 2002
//
// Copyright: GNU LGPL: http://www.gnu.org/licenses/lgpl.html
#ifndef KBUFFER_H
#define KBUFFER_H
#include <tqiodevice.h>
#include <vector>
#include <queue>
/**A buffer device for flexible and efficient buffers.
*@author Eray Ozkural (exa)
*/
class TDEBuffer : public TQIODevice {
public:
TDEBuffer();
~TDEBuffer();
/** open a memory buffer */
bool open(int mode);
/** read in a block of memory */
TQ_LONG readBlock(char* data, long unsigned int maxLen);
/** query buffer size */
#ifdef USE_QT4
qint64 size() const;
#else // USE_QT4
TQ_ULONG size() const;
#endif // USE_QT4
/** No descriptions */
void flush();
/** Close buffer */
void close();
/** write a block of memory */
TQ_LONG writeBlock(const char *data, long unsigned int maxLen);
/** read a byte */
int getch();
/** undo last getch()
*/
int ungetch(int);
/** write a byte */
int putch(int);
void* data() {
return &buf[0];
}
#ifdef USE_QT4
virtual inline qint64 readData ( char * data, qint64 maxSize ) { return readBlock(data, maxSize); }
virtual inline qint64 writeData ( const char * data, qint64 maxSize ) { return writeBlock(data, maxSize); }
#endif // USE_QT4
private:
std::vector<char> buf;
std::vector<char>::iterator bufPos;
};
#endif
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