#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 |