Chris@16: #ifndef BOOST_SERIALIZATION_EPHEMERAL_HPP
Chris@16: #define BOOST_SERIALIZATION_EPHEMERAL_HPP
Chris@16: 
Chris@16: // MS compatible compilers support 
Chris@16: #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // ephemeral_object.hpp: interface for serialization system.
Chris@16: 
Chris@16: // (C) Copyright 2007 Matthias Troyer. 
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: #include <utility>
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: #include <boost/detail/workaround.hpp>
Chris@16: 
Chris@16: #include <boost/mpl/integral_c.hpp>
Chris@16: #include <boost/mpl/integral_c_tag.hpp>
Chris@16: 
Chris@16: #include <boost/serialization/level.hpp>
Chris@16: #include <boost/serialization/tracking.hpp>
Chris@16: #include <boost/serialization/split_member.hpp>
Chris@16: #include <boost/serialization/base_object.hpp>
Chris@16: #include <boost/serialization/traits.hpp>
Chris@16: #include <boost/serialization/wrapper.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace serialization {
Chris@16: 
Chris@16: template<class T>
Chris@16: struct ephemeral_object : 
Chris@16:     public wrapper_traits<ephemeral_object<T> >
Chris@16: {
Chris@16:     explicit ephemeral_object(T& t) :
Chris@16:         val(t)
Chris@16:     {}
Chris@16: 
Chris@16:     T & value() const {
Chris@16:         return val;
Chris@16:     }
Chris@16: 
Chris@16:     const T & const_value() const {
Chris@16:         return val;
Chris@16:     }
Chris@16: 
Chris@16:     template<class Archive>
Chris@16:     void serialize(Archive &ar, const unsigned int) const
Chris@16:     {
Chris@16:        ar & val;
Chris@16:     }
Chris@16: 
Chris@16: private:
Chris@16:     T & val;
Chris@16: };
Chris@16: 
Chris@16: template<class T>
Chris@16: inline
Chris@16: #ifndef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
Chris@16: const
Chris@16: #endif
Chris@16: ephemeral_object<T> ephemeral(const char * name, T & t){
Chris@16:     return ephemeral_object<T>(name, t);
Chris@16: }
Chris@16: 
Chris@16: } // seralization
Chris@16: } // boost
Chris@16: 
Chris@16: #endif // BOOST_SERIALIZATION_EPHEMERAL_HPP