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QxBoostSerializeHelper.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
    00007 **
    00008 ** This software is provided 'as-is', without any express or implied
    00009 ** warranty. In no event will the authors be held liable for any
    00010 ** damages arising from the use of this software
    00011 **
    00012 ** Commercial Usage
    00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
    00014 ** accordance with the commercial license agreement provided with the
    00015 ** Software or, alternatively, in accordance with the terms contained in
    00016 ** a written agreement between you and Lionel Marty
    00017 **
    00018 ** GNU General Public License Usage
    00019 ** Alternatively, this file may be used under the terms of the GNU
    00020 ** General Public License version 3.0 as published by the Free Software
    00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
    00022 ** packaging of this file. Please review the following information to
    00023 ** ensure the GNU General Public License version 3.0 requirements will be
    00024 ** met : http://www.gnu.org/copyleft/gpl.html
    00025 **
    00026 ** If you are unsure which license is appropriate for your use, or
    00027 ** if you have questions regarding the use of this file, please contact :
    00028 ** contact@qxorm.com
    00029 **
    00030 ****************************************************************************/
    00031
    00032 #ifdef _QX_ENABLE_BOOST_SERIALIZATION
    00033 #ifndef _QX_BOOST_SERIALIZE_HELPER_H_
    00034 #define _QX_BOOST_SERIALIZE_HELPER_H_
    00035
    00036 #ifdef _MSC_VER
    00037 #pragma once
    00038 #endif
    00039
    00040 #include <boost/serialization/void_cast.hpp>
    00041
    00042 #include <QxTraits/get_base_class.h>
    00043
    00044 #include <QxSerialize/QxBoostSerializeHelper/QxBoostInitGuid.h>
    00045
    00046 namespace qx {
    00047
    00048 template <class T>
    00049 class QxBoostSerializeHelper
    00050 {
    00051
    00052 private:
    00053
    00054    typedef T type_derived;
    00055    typedef typename qx::trait::get_base_class<type_derived>::type type_base;
    00056
    00057 public:
    00058
    00059    template <class Archive>
    00060    static inline void register_type_helper(Archive & ar, const T * t)
    00061    { Q_UNUSED(t); ar.template register_type<type_derived>(); }
    00062
    00063    static inline void void_cast_register_helper(const T * t)
    00064    { Q_UNUSED(t); QxBoostVoidCastRegisterHelper<std::is_same<type_base, qx::trait::no_base_class_defined>::value, 0>::helper(); }
    00065
    00066    static inline void init_guid(const T * t)
    00067    { Q_UNUSED(t); QxBoostInitGuid<T>::init(); }
    00068
    00069 private:
    00070
    00071    template <bool bNoBaseClass /* = false */, int dummy>
    00072    struct QxBoostVoidCastRegisterHelper
    00073    { static inline void helper() { boost::serialization::void_cast_register(static_cast<type_derived *>(NULL), static_cast<type_base *>(NULL)); } };
    00074
    00075    template <int dummy>
    00076    struct QxBoostVoidCastRegisterHelper<true, dummy>
    00077    { static inline void helper() { /* Nothing */ ; } };
    00078
    00079 };
    00080
    00081 } // namespace qx
    00082
    00083 #endif // _QX_BOOST_SERIALIZE_HELPER_H_
    00084 #endif // _QX_ENABLE_BOOST_SERIALIZATION