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			3.7 KiB
		
	
	
	
		
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			117 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | #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 |