/**************************************************************************** ** ** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the documentation of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names ** of its contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include //! [0] struct Movie { int id; QString title; QDate releaseDate; }; //! [0] //! [1] QDataStream &operator<<(QDataStream &out, const Movie &movie) { out << (quint32)movie.id << movie.title << movie.releaseDate; return out; } //! [1] //! [2] QDataStream &operator>>(QDataStream &in, Movie &movie) { quint32 id; QDate date; in >> id >> movie.title >> date; movie.id = (int)id; movie.releaseDate = date; return in; } //! [2] int main(int argc, char *argv[]) { QApplication app(argc, argv); Movie m; m.id = 0001; m.title = "Happy Meal"; m.releaseDate = QDate(1995, 5, 17); QByteArray byteArray; QDataStream stream(&byteArray, QIODevice::WriteOnly); stream << m; // display qDebug() << m.id << m.releaseDate << m.title; Movie m2; int id2; QString title2; QDate date2; QDataStream stream2(byteArray); stream2 >> id2 >> title2 >> date2; m2.id = id2; m2.title = title2; m2.releaseDate = date2; qDebug() << id2 << " " << date2 << " " << title2; return 0; }