QxOrm  1.4.5
C++ Object Relational Mapping library
QxSerializeQDataStream_boost_shared_ptr.h
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00002 **
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00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
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00031 
00032 #ifdef _QX_ENABLE_BOOST
00033 #ifndef _QX_SERIALIZE_QDATASTREAM_BOOST_SHARED_PTR_H_
00034 #define _QX_SERIALIZE_QDATASTREAM_BOOST_SHARED_PTR_H_
00035 
00036 #ifdef _MSC_VER
00037 #pragma once
00038 #endif
00039 
00047 #include <QtCore/qdatastream.h>
00048 
00049 template <typename T>
00050 QDataStream & operator<< (QDataStream & stream, const boost::shared_ptr<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, boost::shared_ptr<T> & t)
00060 {
00061    qint8 iIsNull = 0;
00062    stream >> iIsNull;
00063    if (! iIsNull) { t.reset(new T()); stream >> (* t); }
00064    else { t.reset(); }
00065    return stream;
00066 }
00067 
00068 #endif // _QX_SERIALIZE_QDATASTREAM_BOOST_SHARED_PTR_H_
00069 #endif // _QX_ENABLE_BOOST