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QxBoostSerializeHelper.h
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    00001 /****************************************************************************
    00002 **
    00003 ** http://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/type_traits/is_same.hpp>
    00041 #include <boost/serialization/void_cast.hpp>
    00042
    00043 #include <QxTraits/get_base_class.h>
    00044
    00045 #include <QxSerialize/QxBoostSerializeHelper/QxBoostInitGuid.h>
    00046
    00047 namespace qx {
    00048
    00049 template <class T>
    00050 class QxBoostSerializeHelper
    00051 {
    00052
    00053 private:
    00054
    00055    typedef T type_derived;
    00056    typedef typename qx::trait::get_base_class<type_derived>::type type_base;
    00057
    00058 public:
    00059
    00060    template <class Archive>
    00061    static inline void register_type_helper(Archive & ar, const T * t)
    00062    { Q_UNUSED(t); ar.template register_type<type_derived>(); }
    00063
    00064    static inline void void_cast_register_helper(const T * t)
    00065    { Q_UNUSED(t); QxBoostVoidCastRegisterHelper<boost::is_same<type_base, qx::trait::no_base_class_defined>::value, 0>::helper(); }
    00066
    00067    static inline void init_guid(const T * t)
    00068    { Q_UNUSED(t); QxBoostInitGuid<T>::init(); }
    00069
    00070 private:
    00071
    00072    template <bool bNoBaseClass /* = false */, int dummy>
    00073    struct QxBoostVoidCastRegisterHelper
    00074    { static inline void helper() { boost::serialization::void_cast_register(static_cast<type_derived *>(NULL), static_cast<type_base *>(NULL)); } };
    00075
    00076    template <int dummy>
    00077    struct QxBoostVoidCastRegisterHelper<true, dummy>
    00078    { static inline void helper() { /* Nothing */ ; } };
    00079
    00080 };
    00081
    00082 } // namespace qx
    00083
    00084 #endif // _QX_BOOST_SERIALIZE_HELPER_H_
    00085 #endif // _QX_ENABLE_BOOST_SERIALIZATION