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kmemfile.h
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1/*
2 This file is part of the KDE libraries
3 Copyright (C) 2008 Christian Ehrlicher <ch.ehrlicher@gmx.de>
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
14
15 You should have received a copy of the GNU Library General Public License
16 along with this library; see the file COPYING.LIB. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
19*/
20
21#ifndef KMEMFILE_H
22#define KMEMFILE_H
23
24#ifndef QT_NO_SHAREDMEMORY
25
26#include <QtCore/QIODevice>
27#include <kdecore_export.h>
28
39class KDECORE_EXPORT KMemFile : public QIODevice
40{
41public:
48 explicit KMemFile ( const QString &filename, QObject *parent = 0 );
52 virtual ~KMemFile();
58 virtual void close ();
64 virtual bool isSequential () const;
69 virtual bool open ( OpenMode mode );
75 virtual bool seek ( qint64 pos );
80 virtual qint64 size () const;
86 static void fileContentsChanged ( const QString &filename );
87protected:
89 virtual qint64 readData ( char * data, qint64 maxSize );
91 virtual qint64 writeData ( const char * data, qint64 maxSize );
92private:
93 class Private;
94 friend class Private;
95 Private * const d;
96};
97
98#endif //QT_NO_SHAREDMEMORY
99
100#endif // KMEMFILE_H
KMemFile
Definition: kmemfile.h:40
QIODevice
QObject
QString
qint64
kdecore_export.h
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