dbf9e800
 Hu Chunming
提交_GLIBCXX_USE_CX...
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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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