| #ifndef BOOST_SERIALIZATION_LEVEL_HPP |
| #define BOOST_SERIALIZATION_LEVEL_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 |
| // level.hpp: |
| |
| // (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/type_traits/is_fundamental.hpp> |
| #include <boost/type_traits/is_enum.hpp> |
| #include <boost/type_traits/is_array.hpp> |
| #include <boost/type_traits/is_class.hpp> |
| #include <boost/type_traits/is_base_and_derived.hpp> |
| |
| #include <boost/mpl/eval_if.hpp> |
| #include <boost/mpl/int.hpp> |
| #include <boost/mpl/integral_c.hpp> |
| #include <boost/mpl/integral_c_tag.hpp> |
| #include <boost/mpl/aux_/nttp_decl.hpp> |
| |
| #include <boost/serialization/level_enum.hpp> |
| |
| namespace boost { |
| namespace serialization { |
| |
| struct basic_traits; |
| |
| // default serialization implementation level |
| template<class T> |
| struct implementation_level_impl { |
| template<class U> |
| struct traits_class_level { |
| typedef BOOST_DEDUCED_TYPENAME U::level type; |
| }; |
| |
| typedef mpl::integral_c_tag tag; |
| // 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_level< T >, |
| //else |
| BOOST_DEDUCED_TYPENAME mpl::eval_if< |
| is_fundamental< T >, |
| mpl::int_<primitive_type>, |
| //else |
| BOOST_DEDUCED_TYPENAME mpl::eval_if< |
| is_class< T >, |
| mpl::int_<object_class_info>, |
| //else |
| BOOST_DEDUCED_TYPENAME mpl::eval_if< |
| is_array< T >, |
| #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560)) |
| mpl::int_<not_serializable>, |
| #else |
| mpl::int_<object_serializable>, |
| #endif |
| //else |
| BOOST_DEDUCED_TYPENAME mpl::eval_if< |
| is_enum< T >, |
| //#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560)) |
| // mpl::int_<not_serializable>, |
| //#else |
| mpl::int_<primitive_type>, |
| //#endif |
| //else |
| mpl::int_<not_serializable> |
| > |
| > |
| > |
| > |
| >::type type; |
| // vc 7.1 doesn't like enums here |
| BOOST_STATIC_CONSTANT(int, value = type::value); |
| }; |
| |
| template<class T> |
| struct implementation_level : |
| public implementation_level_impl<const T> |
| { |
| }; |
| |
| template<class T, BOOST_MPL_AUX_NTTP_DECL(int, L) > |
| inline bool operator>=(implementation_level< T > t, enum level_type l) |
| { |
| return t.value >= (int)l; |
| } |
| |
| } // namespace serialization |
| } // namespace boost |
| |
| // specify the level of serialization implementation for the class |
| // require that class info saved when versioning is used |
| #define BOOST_CLASS_IMPLEMENTATION(T, E) \ |
| namespace boost { \ |
| namespace serialization { \ |
| template <> \ |
| struct implementation_level_impl< const T > \ |
| { \ |
| typedef mpl::integral_c_tag tag; \ |
| typedef mpl::int_< E > type; \ |
| BOOST_STATIC_CONSTANT( \ |
| int, \ |
| value = implementation_level_impl::type::value \ |
| ); \ |
| }; \ |
| } \ |
| } |
| /**/ |
| |
| #endif // BOOST_SERIALIZATION_LEVEL_HPP |