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			74 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | #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 |