| // (C) Copyright Gennadiy Rozental 2005-2008. | |
| // Distributed under 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/libs/test for the library home page. | |
| // | |
| // File : $RCSfile$ | |
| // | |
| // Version : $Revision: 49312 $ | |
| // | |
| // Description : simple facilities for accessing type information at runtime | |
| // *************************************************************************** | |
| #ifndef BOOST_TEST_RTTI_HPP_062604GER | |
| #define BOOST_TEST_RTTI_HPP_062604GER | |
| #include <cstddef> | |
| namespace boost { | |
| namespace rtti { | |
| // ************************************************************************** // | |
| // ************** rtti::type_id ************** // | |
| // ************************************************************************** // | |
| typedef std::ptrdiff_t id_t; | |
| namespace rtti_detail { | |
| template<typename T> | |
| struct rttid_holder { | |
| static id_t id() { return reinterpret_cast<id_t>( &inst() ); } | |
| private: | |
| struct rttid {}; | |
| static rttid const& inst() { static rttid s_inst; return s_inst; } | |
| }; | |
| } // namespace rtti_detail | |
| //____________________________________________________________________________// | |
| template<typename T> | |
| inline id_t | |
| type_id() | |
| { | |
| return rtti_detail::rttid_holder<T>::id(); | |
| } | |
| //____________________________________________________________________________// | |
| #define BOOST_RTTI_SWITCH( type_id_ ) if( ::boost::rtti::id_t switch_by_id = type_id_ ) | |
| #define BOOST_RTTI_CASE( type ) if( switch_by_id == ::boost::rtti::type_id<type>() ) | |
| //____________________________________________________________________________// | |
| } // namespace rtti | |
| } // namespace boost | |
| #endif // BOOST_RT_RTTI_HPP_062604GER |