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src/qt/include/qbuffer.h
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00001 /****************************************************************************
00002 ** $Id: qt/qbuffer.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of QBuffer class
00005 **
00006 ** Created : 930812
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the tools module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QBUFFER_H
00039 #define QBUFFER_H
00040 
00041 #ifndef QT_H
00042 #include "qiodevice.h"
00043 #include "qstring.h"
00044 #endif // QT_H
00045 
00046 
00047 class Q_EXPORT QBuffer : public QIODevice
00048 {
00049 public:
00050     QBuffer();
00051     QBuffer( QByteArray );
00052    ~QBuffer();
00053 
00054     QByteArray buffer() const;
00055     bool  setBuffer( QByteArray );
00056 
00057     bool  open( int );
00058     void  close();
00059     void  flush();
00060 
00061     Offset size() const;
00062     Offset at() const;
00063     bool  at( Offset );
00064 
00065     Q_LONG        readBlock( char *p, Q_ULONG );
00066     Q_LONG        writeBlock( const char *p, Q_ULONG );
00067     Q_LONG        writeBlock( const QByteArray& data )
00068               { return QIODevice::writeBlock(data); }
00069     Q_LONG        readLine( char *p, Q_ULONG );
00070 
00071     int   getch();
00072     int   putch( int );
00073     int   ungetch( int );
00074 
00075 protected:
00076     QByteArray a;
00077 
00078 private:
00079     uint  a_len;
00080     uint  a_inc;
00081 
00082 private:        // Disabled copy constructor and operator=
00083 #if defined(Q_DISABLE_COPY)
00084     QBuffer( const QBuffer & );
00085     QBuffer &operator=( const QBuffer & );
00086 #endif
00087 };
00088 
00089 
00090 inline QByteArray QBuffer::buffer() const
00091 { return a; }
00092 
00093 inline QIODevice::Offset QBuffer::size() const
00094 { return (Offset)a.size(); }
00095 
00096 inline QIODevice::Offset QBuffer::at() const
00097 { return ioIndex; }
00098 
00099 
00100 #endif // QBUFFER_H
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