QxOrm  1.4.5
C++ Object Relational Mapping library
QxSerializeQDataStream_QScopedPointer.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
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00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
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00031 
00032 #if (QT_VERSION >= 0x040600)
00033 #ifndef _QX_SERIALIZE_QDATASTREAM_QSCOPEDPOINTER_H_
00034 #define _QX_SERIALIZE_QDATASTREAM_QSCOPEDPOINTER_H_
00035 
00036 #ifdef _MSC_VER
00037 #pragma once
00038 #endif
00039 
00047 #include <QtCore/qdatastream.h>
00048 #include <QtCore/qscopedpointer.h>
00049 
00050 template <typename T>
00051 QDataStream & operator<< (QDataStream & stream, const QScopedPointer<T> & t)
00052 {
00053    qint8 iIsNull = (t ? 0 : 1);
00054    stream << iIsNull;
00055    if (t) { stream << (* t); }
00056    return stream;
00057 }
00058 
00059 template <typename T>
00060 QDataStream & operator>> (QDataStream & stream, QScopedPointer<T> & t)
00061 {
00062    qint8 iIsNull = 0;
00063    stream >> iIsNull;
00064    if (! iIsNull) { t.reset(new T()); stream >> (* t); }
00065    else { t.reset(); }
00066    return stream;
00067 }
00068 
00069 #endif // _QX_SERIALIZE_QDATASTREAM_QSCOPEDPOINTER_H_
00070 #endif // (QT_VERSION >= 0x040600)