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 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 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 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 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 54 QT_BEGIN_NAMESPACE 55 56 class QAbstractFileEngine; 57 class QSaveFilePrivate; 58 59 class Q_CORE_EXPORT QSaveFile : public QFileDevice 60 { 61 #ifndef QT_NO_QOBJECT 62 Q_OBJECT 63 #endif 64 Q_DECLARE_PRIVATE(QSaveFile) 65 66 public: 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 86 protected: 87 qint64 writeData(const char *data, qint64 len) override; 88 89 private: 90 void close() override; 91 #if !QT_CONFIG(translation) tr(const char * string)92 static QString tr(const char *string) { return QString::fromLatin1(string); } 93 #endif 94 95 private: 96 Q_DISABLE_COPY(QSaveFile) 97 }; 98 99 QT_END_NAMESPACE 100 101 #endif // QT_NO_TEMPORARYFILE 102 103 #endif // QSAVEFILE_H 104