summaryrefslogtreecommitdiffstats
path: root/src/corelib/io/qfile_p.h
blob: 3d89b9beacf190f047af40bc72d1665fbae5f9dd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QFILE_P_H
#define QFILE_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "QtCore/qabstractfileengine.h"
#include "private/qiodevice_p.h"
#include "private/qringbuffer_p.h"

QT_BEGIN_NAMESPACE

class QFilePrivate : public QIODevicePrivate
{
    Q_DECLARE_PUBLIC(QFile)

protected:
    QFilePrivate();
    ~QFilePrivate();

    bool openExternalFile(int flags, int fd, QFile::FileHandleFlags handleFlags);
    bool openExternalFile(int flags, FILE *fh, QFile::FileHandleFlags handleFlags);
#ifdef Q_OS_SYMBIAN
    bool openExternalFile(int flags, const RFile& f, QFile::FileHandleFlags handleFlags);
#endif

    QString fileName;
    mutable QAbstractFileEngine *fileEngine;

    bool lastWasWrite;
    QRingBuffer writeBuffer;
    inline bool ensureFlushed() const;

    bool putCharHelper(char c);
    
    QFile::FileError error;
    void setError(QFile::FileError err);
    void setError(QFile::FileError err, const QString &errorString);
    void setError(QFile::FileError err, int errNum);

    mutable qint64 cachedSize;

private:
    static QFile::EncoderFn encoder;
    static QFile::DecoderFn decoder;
};

QT_END_NAMESPACE

#endif // QFILE_P_H