summaryrefslogtreecommitdiffstats
path: root/src/corelib/io/qfile.h
blob: 56c8d8b9206d3dcb6560f9e8ba7227be920a1c18 (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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
/****************************************************************************
**
** Copyright (C) 2012 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_H
#define QFILE_H

#include <QtCore/qfiledevice.h>
#include <QtCore/qstring.h>
#include <stdio.h>

#ifdef open
#error qfile.h must be included before any header file that defines open
#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QTemporaryFile;
class QFilePrivate;

class Q_CORE_EXPORT QFile : public QFileDevice
{
#ifndef QT_NO_QOBJECT
    Q_OBJECT
#endif
    Q_DECLARE_PRIVATE(QFile)

public:
    QFile();
    QFile(const QString &name);
#ifndef QT_NO_QOBJECT
    explicit QFile(QObject *parent);
    QFile(const QString &name, QObject *parent);
#endif
    ~QFile();

    QString fileName() const;
    void setFileName(const QString &name);

#if defined(Q_OS_DARWIN)
    // Mac always expects filenames in UTF-8... and decomposed...
    static inline QByteArray encodeName(const QString &fileName)
    {
        return fileName.normalized(QString::NormalizationForm_D).toUtf8();
    }
    static QString decodeName(const QByteArray &localFileName)
    {
        return QString::fromUtf8(localFileName).normalized(QString::NormalizationForm_C);
    }
#else
    static inline QByteArray encodeName(const QString &fileName)
    {
        return fileName.toLocal8Bit();
    }
    static QString decodeName(const QByteArray &localFileName)
    {
        return QString::fromLocal8Bit(localFileName);
    }
#endif
    inline static QString decodeName(const char *localFileName)
        { return decodeName(QByteArray(localFileName)); }

#if QT_DEPRECATED_SINCE(5,0)
    typedef QByteArray (*EncoderFn)(const QString &fileName);
    typedef QString (*DecoderFn)(const QByteArray &localfileName);
    QT_DEPRECATED static void setEncodingFunction(EncoderFn) {}
    QT_DEPRECATED static void setDecodingFunction(DecoderFn) {}
#endif

    bool exists() const;
    static bool exists(const QString &fileName);

    QString readLink() const;
    static QString readLink(const QString &fileName);
    inline QString symLinkTarget() const { return readLink(); }
    inline static QString symLinkTarget(const QString &fileName) { return readLink(fileName); }

    bool remove();
    static bool remove(const QString &fileName);

    bool rename(const QString &newName);
    static bool rename(const QString &oldName, const QString &newName);

    bool link(const QString &newName);
    static bool link(const QString &oldname, const QString &newName);

    bool copy(const QString &newName);
    static bool copy(const QString &fileName, const QString &newName);

    bool open(OpenMode flags);
    bool open(FILE *f, OpenMode ioFlags, FileHandleFlags handleFlags=DontCloseHandle);
    bool open(int fd, OpenMode ioFlags, FileHandleFlags handleFlags=DontCloseHandle);

    qint64 size() const;

    bool resize(qint64 sz);
    static bool resize(const QString &filename, qint64 sz);

    Permissions permissions() const;
    static Permissions permissions(const QString &filename);
    bool setPermissions(Permissions permissionSpec);
    static bool setPermissions(const QString &filename, Permissions permissionSpec);

protected:
#ifdef QT_NO_QOBJECT
    QFile(QFilePrivate &dd);
#else
    QFile(QFilePrivate &dd, QObject *parent = 0);
#endif

private:
    friend class QTemporaryFile;
    Q_DISABLE_COPY(QFile)
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QFILE_H