| 1 | #ifndef BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP |
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| 2 | #define BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP |
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| 3 | |
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| 4 | // MS compatible compilers support #pragma once |
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| 5 | #if defined(_MSC_VER) |
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| 6 | # pragma once |
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| 7 | #endif |
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| 8 | |
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| 9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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| 10 | // type_info_implementation.hpp: interface for portable version of type_info |
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| 11 | |
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| 12 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
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| 13 | // Use, modification and distribution is subject to the Boost Software |
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| 14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 15 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 16 | |
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| 17 | // See http://www.boost.org for updates, documentation, and revision history. |
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| 18 | |
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| 19 | |
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| 20 | #include <boost/config.hpp> |
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| 21 | #include <boost/detail/workaround.hpp> |
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| 22 | |
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| 23 | #include <boost/static_assert.hpp> |
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| 24 | #include <boost/mpl/eval_if.hpp> |
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| 25 | #include <boost/mpl/identity.hpp> |
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| 26 | #include <boost/type_traits/is_base_and_derived.hpp> |
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| 27 | #include <boost/serialization/traits.hpp> |
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| 28 | |
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| 29 | namespace boost { |
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| 30 | namespace serialization { |
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| 31 | |
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| 32 | // note that T and const T are folded into const T so that |
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| 33 | // there is only one table entry per type |
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| 34 | template<class T> |
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| 35 | struct type_info_implementation { |
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| 36 | template<class U> |
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| 37 | struct traits_class_typeinfo_implementation { |
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| 38 | typedef typename U::type_info_implementation::type type; |
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| 39 | }; |
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| 40 | // note: at least one compiler complained w/o the full qualification |
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| 41 | // on basic traits below |
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| 42 | typedef |
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| 43 | typename mpl::eval_if< |
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| 44 | is_base_and_derived<boost::serialization::basic_traits, T>, |
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| 45 | traits_class_typeinfo_implementation< T >, |
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| 46 | //else |
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| 47 | mpl::identity< |
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| 48 | typename extended_type_info_impl< T >::type |
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| 49 | > |
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| 50 | >::type type; |
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| 51 | }; |
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| 52 | |
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| 53 | } // namespace serialization |
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| 54 | } // namespace boost |
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| 55 | |
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| 56 | // define a macro to assign a particular derivation of extended_type_info |
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| 57 | // to a specified a class. |
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| 58 | #define BOOST_CLASS_TYPE_INFO(T, ETI) \ |
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| 59 | namespace boost { \ |
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| 60 | namespace serialization { \ |
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| 61 | template<> \ |
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| 62 | struct type_info_implementation< T > { \ |
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| 63 | typedef ETI type; \ |
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| 64 | }; \ |
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| 65 | template<> \ |
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| 66 | struct type_info_implementation< const T > { \ |
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| 67 | typedef ETI type; \ |
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| 68 | }; \ |
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| 69 | } \ |
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| 70 | } \ |
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| 71 | /**/ |
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| 72 | |
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| 73 | #endif /// BOOST_SERIALIZATION_TYPE_INFO_IMPLEMENTATION_HPP |
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| 74 | |
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