QxSerializeQDataStream_std_shared_ptr.h

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** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
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#ifndef _QX_SERIALIZE_QDATASTREAM_STD_SHARED_PTR_H_
#define _QX_SERIALIZE_QDATASTREAM_STD_SHARED_PTR_H_

#ifdef _MSC_VER
#pragma once
#endif

#include <QtCore/qdatastream.h>

template <typename T>
QDataStream & operator<< (QDataStream & stream, const std::shared_ptr<T> & t)
{
   qint8 iIsNull = (t ? 0 : 1);
   stream << iIsNull;
   if (t) { stream << (* t); }
   return stream;
}

template <typename T>
QDataStream & operator>> (QDataStream & stream, std::shared_ptr<T> & t)
{
   qint8 iIsNull = 0;
   stream >> iIsNull;
   if (! iIsNull) { t = std::make_shared<T>(); stream >> (* t); }
   else { t.reset(); }
   return stream;
}

#endif // _QX_SERIALIZE_QDATASTREAM_STD_SHARED_PTR_H_