QxOrm  1.5.0
C++ Object Relational Mapping library
QxSerializeQDataStream_QSharedPointer.h
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00001 /****************************************************************************
00002 **
00003 ** https://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
00006 ** This file is part of the QxOrm library
00007 **
00008 ** This software is provided 'as-is', without any express or implied
00009 ** warranty. In no event will the authors be held liable for any
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00011 **
00012 ** Commercial Usage
00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
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00015 ** Software or, alternatively, in accordance with the terms contained in
00016 ** a written agreement between you and Lionel Marty
00017 **
00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
00020 ** General Public License version 3.0 as published by the Free Software
00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
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00026 ** If you are unsure which license is appropriate for your use, or
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00031 
00032 #ifndef _QX_SERIALIZE_QDATASTREAM_QSHAREDPOINTER_H_
00033 #define _QX_SERIALIZE_QDATASTREAM_QSHAREDPOINTER_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QtCore/qdatastream.h>
00047 #include <QtCore/qsharedpointer.h>
00048 
00049 template <typename T>
00050 QDataStream & operator<< (QDataStream & stream, const QSharedPointer<T> & t)
00051 {
00052    qint8 iIsNull = (t ? 0 : 1);
00053    stream << iIsNull;
00054    if (t) { stream << (* t); }
00055    return stream;
00056 }
00057 
00058 template <typename T>
00059 QDataStream & operator>> (QDataStream & stream, QSharedPointer<T> & t)
00060 {
00061    qint8 iIsNull = 0;
00062    stream >> iIsNull;
00063    if (! iIsNull) { t = QSharedPointer<T>(new T()); stream >> (* t); }
00064    else { t = QSharedPointer<T>(); }
00065    return stream;
00066 }
00067 
00068 #endif // _QX_SERIALIZE_QDATASTREAM_QSHAREDPOINTER_H_