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- #ifndef BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP
- #define BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP
- // MS compatible compilers support #pragma once
- #if defined(_MSC_VER)
- # pragma once
- #endif
- /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
- // type_info_implementation.hpp: interface for portable version of type_info
- // (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.
- #include <boost/config.hpp>
- #include <boost/detail/workaround.hpp>
- #include <boost/static_assert.hpp>
- #include <boost/mpl/eval_if.hpp>
- #include <boost/mpl/identity.hpp>
- #include <boost/type_traits/is_base_and_derived.hpp>
- #include <boost/serialization/traits.hpp>
- namespace boost {
- namespace serialization {
- // note that T and const T are folded into const T so that
- // there is only one table entry per type
- template<class T>
- struct type_info_implementation {
- template<class U>
- struct traits_class_typeinfo_implementation {
- typedef typename U::type_info_implementation::type type;
- };
- // note: at least one compiler complained w/o the full qualification
- // on basic traits below
- typedef
- typename mpl::eval_if<
- is_base_and_derived<boost::serialization::basic_traits, T>,
- traits_class_typeinfo_implementation< T >,
- //else
- mpl::identity<
- typename extended_type_info_impl< T >::type
- >
- >::type type;
- };
- } // namespace serialization
- } // namespace boost
- // define a macro to assign a particular derivation of extended_type_info
- // to a specified a class.
- #define BOOST_CLASS_TYPE_INFO(T, ETI) \
- namespace boost { \
- namespace serialization { \
- template<> \
- struct type_info_implementation< T > { \
- typedef ETI type; \
- }; \
- template<> \
- struct type_info_implementation< const T > { \
- typedef ETI type; \
- }; \
- } \
- } \
- /**/
- #endif /// BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP
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