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125 lines
4.0 KiB
125 lines
4.0 KiB
#ifndef BOOST_SERIALIZATION_LEVEL_HPP |
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#define BOOST_SERIALIZATION_LEVEL_HPP |
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// MS compatible compilers support #pragma once |
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#if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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# pragma once |
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#endif |
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
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// level.hpp: |
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
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// Use, modification and distribution is subject to the Boost Software |
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// See http://www.boost.org for updates, documentation, and revision history. |
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#include <boost/config.hpp> |
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#include <boost/detail/workaround.hpp> |
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#include <boost/type_traits/is_fundamental.hpp> |
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#include <boost/type_traits/is_enum.hpp> |
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#include <boost/type_traits/is_array.hpp> |
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#include <boost/type_traits/is_class.hpp> |
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#include <boost/type_traits/is_base_and_derived.hpp> |
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#include <boost/mpl/eval_if.hpp> |
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#include <boost/mpl/int.hpp> |
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#include <boost/mpl/integral_c.hpp> |
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#include <boost/mpl/integral_c_tag.hpp> |
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#include <boost/mpl/aux_/nttp_decl.hpp> |
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#include <boost/serialization/level_enum.hpp> |
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namespace boost { |
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namespace serialization { |
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struct basic_traits; |
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// default serialization implementation level |
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template<class T> |
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struct implementation_level_impl { |
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template<class U> |
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struct traits_class_level { |
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typedef BOOST_DEDUCED_TYPENAME U::level type; |
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}; |
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typedef mpl::integral_c_tag tag; |
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// note: at least one compiler complained w/o the full qualification |
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// on basic traits below |
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typedef |
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BOOST_DEDUCED_TYPENAME mpl::eval_if< |
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is_base_and_derived<boost::serialization::basic_traits, T>, |
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traits_class_level< T >, |
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//else |
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BOOST_DEDUCED_TYPENAME mpl::eval_if< |
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is_fundamental< T >, |
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mpl::int_<primitive_type>, |
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//else |
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BOOST_DEDUCED_TYPENAME mpl::eval_if< |
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is_class< T >, |
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mpl::int_<object_class_info>, |
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//else |
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BOOST_DEDUCED_TYPENAME mpl::eval_if< |
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is_array< T >, |
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560)) |
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mpl::int_<not_serializable>, |
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#else |
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mpl::int_<object_serializable>, |
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#endif |
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//else |
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BOOST_DEDUCED_TYPENAME mpl::eval_if< |
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is_enum< T >, |
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//#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x560)) |
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// mpl::int_<not_serializable>, |
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//#else |
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mpl::int_<primitive_type>, |
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//#endif |
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//else |
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mpl::int_<not_serializable> |
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> |
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> |
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> |
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> |
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>::type type; |
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// vc 7.1 doesn't like enums here |
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BOOST_STATIC_CONSTANT(int, value = type::value); |
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}; |
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template<class T> |
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struct implementation_level : |
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public implementation_level_impl<const T> |
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{ |
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}; |
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template<class T, BOOST_MPL_AUX_NTTP_DECL(int, L) > |
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inline bool operator>=(implementation_level< T > t, enum level_type l) |
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{ |
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return t.value >= (int)l; |
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} |
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} // namespace serialization |
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} // namespace boost |
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// specify the level of serialization implementation for the class |
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// require that class info saved when versioning is used |
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#define BOOST_CLASS_IMPLEMENTATION(T, E) \ |
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namespace boost { \ |
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namespace serialization { \ |
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template <> \ |
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struct implementation_level_impl< const T > \ |
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{ \ |
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typedef mpl::integral_c_tag tag; \ |
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typedef mpl::int_< E > type; \ |
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BOOST_STATIC_CONSTANT( \ |
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int, \ |
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value = implementation_level_impl::type::value \ |
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); \ |
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}; \ |
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} \ |
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} |
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/**/ |
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#endif // BOOST_SERIALIZATION_LEVEL_HPP
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