| #ifndef BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP |
| #define BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_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 |
| // 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 BOOST_DEDUCED_TYPENAME U::type_info_implementation::type type; |
| }; |
| // note: at least one compiler complained w/o the full qualification |
| // on basic traits below |
| typedef |
| BOOST_DEDUCED_TYPENAME mpl::eval_if< |
| is_base_and_derived<boost::serialization::basic_traits, T>, |
| traits_class_typeinfo_implementation< T >, |
| //else |
| mpl::identity< |
| BOOST_DEDUCED_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. |
| #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560)) |
| #define BOOST_CLASS_TYPE_INFO(T, ETI) \ |
| namespace boost { \ |
| namespace serialization { \ |
| template<> \ |
| struct type_info_implementation< T > { \ |
| typedef const ETI type; \ |
| }; \ |
| } \ |
| } \ |
| /**/ |
| #else |
| #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 |
| |
| #endif /// BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP |