/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 XDL Team (ic-east.com)
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software
**
** Commercial Usage
** Licensees holding valid commercial QxOrm licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and XDL Team
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file 'license.gpl3.txt' included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met : http://www.gnu.org/copyleft/gpl.html
**
** If you are unsure which license is appropriate for your use, or
** if you have questions regarding the use of this file, please contact :
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****************************************************************************/

#ifndef _QX_SERIALIZE_QDATASTREAM_QX_REGISTERED_CLASS_H_
#define _QX_SERIALIZE_QDATASTREAM_QX_REGISTERED_CLASS_H_

#ifdef _MSC_VER
#pragma once
#endif

/*!
 * \file QxSerializeQDataStream_qx_registered_class.h
 * \author XDL Team
 * \ingroup QxSerialize
 * \brief Provide a generic Qt QDataStream serialization method (save/load) for classes registered into QxOrm context (void qx::register_class<MyClass>() function), it is possible to specialize qx::QxSerializeRegistered<T> template to implement your own serialization method for a specific class
 */

#include <QtCore/qdatastream.h>

#include <QxTraits/is_qx_registered.h>

#include <QxRegister/IxClass.h>
#include <QxRegister/QxClass.h>

namespace qx
{

   struct QX_DLL_EXPORT QxSerializeRegistered_Helper
   {

      static QDataStream &save(QDataStream &stream, IxClass *pClass, const void *pOwner);
      static QDataStream &load(QDataStream &stream, IxClass *pClass, void *pOwner);

   private:
      static void saveHelper(QDataStream &stream, IxClass *pClass, const void *pOwner);
      static void loadHelper(QDataStream &stream, IxClass *pClass, void *pOwner);
   };

   template <typename T>
   struct QxSerializeRegistered
   {

      enum
      {
         is_valid = qx::trait::is_qx_registered<T>::value
      };

      static QDataStream &save(QDataStream &stream, const T &t)
      {
         static_assert(is_valid, "is_valid");
         return qx::QxSerializeRegistered_Helper::save(stream, qx::QxClass<T>::getSingleton(), (&t));
      }

      static QDataStream &load(QDataStream &stream, T &t)
      {
         static_assert(is_valid, "is_valid");
         return qx::QxSerializeRegistered_Helper::load(stream, qx::QxClass<T>::getSingleton(), (&t));
      }
   };

} // namespace qx

#endif // _QX_SERIALIZE_QDATASTREAM_QX_REGISTERED_CLASS_H_
