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- #ifndef BOOST_SERIALIZATION_LEVEL_HPP
- #define BOOST_SERIALIZATION_LEVEL_HPP
- // MS compatible compilers support #pragma once
- #if defined(_MSC_VER)
- # 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/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 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
- typename mpl::eval_if<
- is_base_and_derived<boost::serialization::basic_traits, T>,
- traits_class_level< T >,
- //else
- typename mpl::eval_if<
- is_fundamental< T >,
- mpl::int_<primitive_type>,
- //else
- typename mpl::eval_if<
- is_class< T >,
- mpl::int_<object_class_info>,
- //else
- typename mpl::eval_if<
- is_array< T >,
- mpl::int_<object_serializable>,
- //else
- typename mpl::eval_if<
- is_enum< T >,
- mpl::int_<primitive_type>,
- //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, 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
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