1/****************************************************************************
2**
3** Copyright (C) 2012 David Faure <faure@kde.org>
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtCore module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
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17** GNU Lesser General Public License Usage
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21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
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38****************************************************************************/
39
40#ifndef QSAVEFILE_H
41#define QSAVEFILE_H
42
43#include <QtCore/qglobal.h>
44
45#ifndef QT_NO_TEMPORARYFILE
46
47#include <QtCore/qfiledevice.h>
48#include <QtCore/qstring.h>
49
50#ifdef open
51#error qsavefile.h must be included before any header file that defines open
52#endif
53
54QT_BEGIN_NAMESPACE
55
56class QAbstractFileEngine;
57class QSaveFilePrivate;
58
59class Q_CORE_EXPORT QSaveFile : public QFileDevice
60{
61#ifndef QT_NO_QOBJECT
62 Q_OBJECT
63#endif
64 Q_DECLARE_PRIVATE(QSaveFile)
65
66public:
67
68 explicit QSaveFile(const QString &name);
69#ifndef QT_NO_QOBJECT
70 explicit QSaveFile(QObject *parent = nullptr);
71 explicit QSaveFile(const QString &name, QObject *parent);
72#endif
73 ~QSaveFile();
74
75 QString fileName() const override;
76 void setFileName(const QString &name);
77
78 bool open(OpenMode flags) override;
79 bool commit();
80
81 void cancelWriting();
82
83 void setDirectWriteFallback(bool enabled);
84 bool directWriteFallback() const;
85
86protected:
87 qint64 writeData(const char *data, qint64 len) override;
88
89private:
90 void close() override;
91#if !QT_CONFIG(translation)
92 static QString tr(const char *string) { return QString::fromLatin1(string); }
93#endif
94
95private:
96 Q_DISABLE_COPY(QSaveFile)
97};
98
99QT_END_NAMESPACE
100
101#endif // QT_NO_TEMPORARYFILE
102
103#endif // QSAVEFILE_H
104