boost/serialization/type_info_implementation.hpp
#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