QxOrm  1.4.5
C++ Object Relational Mapping library
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
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00026 ** If you are unsure which license is appropriate for your use, or
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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