QxOrm  1.4.5
C++ Object Relational Mapping library
QxSerializeQDataStream_std_unique_ptr.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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00031 
00032 #ifndef _QX_SERIALIZE_QDATASTREAM_STD_UNIQUE_PTR_H_
00033 #define _QX_SERIALIZE_QDATASTREAM_STD_UNIQUE_PTR_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QtCore/qdatastream.h>
00047 
00048 template <typename T>
00049 QDataStream & operator<< (QDataStream & stream, const std::unique_ptr<T> & t)
00050 {
00051    qint8 iIsNull = (t ? 0 : 1);
00052    stream << iIsNull;
00053    if (t) { stream << (* t); }
00054    return stream;
00055 }
00056 
00057 template <typename T>
00058 QDataStream & operator>> (QDataStream & stream, std::unique_ptr<T> & t)
00059 {
00060    qint8 iIsNull = 0;
00061    stream >> iIsNull;
00062    if (! iIsNull) { t.reset(new T()); stream >> (* t); }
00063    else { t.reset(); }
00064    return stream;
00065 }
00066 
00067 #endif // _QX_SERIALIZE_QDATASTREAM_STD_UNIQUE_PTR_H_