src/qt/src/tools/qbuffer.h

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/****************************************************************************
** $Id: qt/qbuffer.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of QBuffer class
**
** Created : 930812
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech ASA of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
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**********************************************************************/

#ifndef QBUFFER_H
#define QBUFFER_H

#ifndef QT_H
#include "qiodevice.h"
#include "qstring.h"
#endif // QT_H


class Q_EXPORT QBuffer : public QIODevice
{
public:
    QBuffer();
    QBuffer( QByteArray );
   ~QBuffer();

    QByteArray buffer() const;
    bool  setBuffer( QByteArray );

    bool  open( int );
    void  close();
    void  flush();

    Offset size() const;
    Offset at() const;
    bool  at( Offset );

    Q_LONG        readBlock( char *p, Q_ULONG );
    Q_LONG        writeBlock( const char *p, Q_ULONG );
    Q_LONG        writeBlock( const QByteArray& data )
              { return QIODevice::writeBlock(data); }
    Q_LONG        readLine( char *p, Q_ULONG );

    int   getch();
    int   putch( int );
    int   ungetch( int );

protected:
    QByteArray a;

private:
    uint  a_len;
    uint  a_inc;

private:        // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
    QBuffer( const QBuffer & );
    QBuffer &operator=( const QBuffer & );
#endif
};


inline QByteArray QBuffer::buffer() const
{ return a; }

inline QIODevice::Offset QBuffer::size() const
{ return (Offset)a.size(); }

inline QIODevice::Offset QBuffer::at() const
{ return ioIndex; }


#endif // QBUFFER_H