doc/src/snippets/streaming/main.cpp
author Eckhart Koeppen <eckhart.koppen@nokia.com>
Thu, 08 Apr 2010 14:19:33 +0300
branchRCL_3
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the documentation of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtGui>
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#include <QByteArray>
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#include <QDataStream>
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//! [0]
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struct Movie
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{
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    int id;
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    QString title;
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    QDate releaseDate;
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};
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//! [0]
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//! [1]
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QDataStream &operator<<(QDataStream &out, const Movie &movie)
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{
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    out << (quint32)movie.id << movie.title
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        << movie.releaseDate;
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    return out;
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}
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//! [1]
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//! [2]
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QDataStream &operator>>(QDataStream &in, Movie &movie)
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{
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    quint32 id;
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    QDate date;
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    in >> id >> movie.title >> date;
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    movie.id = (int)id;
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    movie.releaseDate = date;
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    return in;
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}
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//! [2]
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int main(int argc, char *argv[])
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{
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    QApplication app(argc, argv);
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    Movie m;
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    m.id = 0001;
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    m.title = "Happy Meal";
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    m.releaseDate = QDate(1995, 5, 17);
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    QByteArray byteArray;
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    QDataStream stream(&byteArray, QIODevice::WriteOnly);
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    stream << m;
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    // display
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    qDebug() << m.id << m.releaseDate << m.title;
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    Movie m2;
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    int id2;
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    QString title2;
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    QDate date2;
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3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
    99
    QDataStream stream2(byteArray);
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   100
    stream2 >> id2 >> title2 >> date2;
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   101
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   102
    m2.id = id2;
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   103
    m2.title = title2;
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   104
    m2.releaseDate = date2;
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   105
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   106
    qDebug() << id2 << " " << date2 << " " << title2;
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   107
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Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   108
    return 0;
3f74d0d4af4c qt:70947f0f93d948bc89b3b43d00da758a51f1ef84
Eckhart Koeppen <eckhart.koppen@nokia.com>
parents:
diff changeset
   109
}