74 lines
2.6 KiB
Plaintext
74 lines
2.6 KiB
Plaintext
#ifndef BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP
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#define BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// type_info_implementation.hpp: interface for portable version of type_info
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/mpl/identity.hpp>
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#include <boost/type_traits/is_base_and_derived.hpp>
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#include <boost/serialization/traits.hpp>
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namespace boost {
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namespace serialization {
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// note that T and const T are folded into const T so that
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// there is only one table entry per type
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template<class T>
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struct type_info_implementation {
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template<class U>
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struct traits_class_typeinfo_implementation {
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typedef typename U::type_info_implementation::type type;
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};
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// note: at least one compiler complained w/o the full qualification
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// on basic traits below
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typedef
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typename mpl::eval_if<
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is_base_and_derived<boost::serialization::basic_traits, T>,
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traits_class_typeinfo_implementation< T >,
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//else
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mpl::identity<
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typename extended_type_info_impl< T >::type
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>
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>::type type;
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};
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} // namespace serialization
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} // namespace boost
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// define a macro to assign a particular derivation of extended_type_info
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// to a specified a class.
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#define BOOST_CLASS_TYPE_INFO(T, ETI) \
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namespace boost { \
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namespace serialization { \
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template<> \
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struct type_info_implementation< T > { \
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typedef ETI type; \
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}; \
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template<> \
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struct type_info_implementation< const T > { \
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typedef ETI type; \
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}; \
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} \
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} \
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/**/
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#endif /// BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP
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