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