sl@0: #ifndef BOOST_SERIALIZATION_TRAITS_HPP
sl@0: #define BOOST_SERIALIZATION_TRAITS_HPP
sl@0: 
sl@0: // MS compatible compilers support #pragma once
sl@0: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
sl@0: # pragma once
sl@0: #endif
sl@0: 
sl@0: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
sl@0: // traits.hpp:
sl@0: 
sl@0: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
sl@0: // Use, modification and distribution is subject to the Boost Software
sl@0: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
sl@0: // http://www.boost.org/LICENSE_1_0.txt)
sl@0: 
sl@0: //  See http://www.boost.org for updates, documentation, and revision history.
sl@0: 
sl@0: // This header is used to apply serialization traits to templates.  The
sl@0: // standard system can't be used for platforms which don't support
sl@0: // Partial Templlate Specialization.  
sl@0: 
sl@0: // The motivation for this is the Name-Value Pair (NVP) template.
sl@0: // it has to work the same on all platforms in order for archives
sl@0: // to be portable accross platforms.
sl@0: 
sl@0: #include <boost/config.hpp>
sl@0: #include <boost/static_assert.hpp>
sl@0: 
sl@0: #include <boost/mpl/int.hpp>
sl@0: #include <boost/serialization/level_enum.hpp>
sl@0: #include <boost/serialization/tracking_enum.hpp>
sl@0: 
sl@0: namespace boost {
sl@0: namespace serialization {
sl@0: 
sl@0: // common base class used to detect appended traits class
sl@0: struct basic_traits {};
sl@0: 
sl@0: template <class T>
sl@0: struct extended_type_info_impl;
sl@0: 
sl@0: template<
sl@0:     class T, 
sl@0:     int Level, 
sl@0:     int Tracking,
sl@0:     unsigned int Version = 0,
sl@0:     class ETII = extended_type_info_impl< T >
sl@0: >
sl@0: struct traits : public basic_traits {
sl@0:     BOOST_STATIC_ASSERT(Version == 0 || Level >= object_class_info);
sl@0:     BOOST_STATIC_ASSERT(Tracking == track_never || Level >= object_serializable);
sl@0:     typedef BOOST_DEDUCED_TYPENAME mpl::int_<Level> level;
sl@0:     typedef BOOST_DEDUCED_TYPENAME mpl::int_<Tracking> tracking;
sl@0:     typedef BOOST_DEDUCED_TYPENAME mpl::int_<Version> version;
sl@0:     typedef ETII type_info_implementation;
sl@0: };
sl@0: 
sl@0: } // namespace serialization
sl@0: } // namespace boost
sl@0: 
sl@0: #endif // BOOST_SERIALIZATION_TRAITS_HPP