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