66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
#ifndef BOOST_SERIALIZATION_TRAITS_HPP
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#define BOOST_SERIALIZATION_TRAITS_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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// traits.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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// This header is used to apply serialization traits to templates. The
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// standard system can't be used for platforms which don't support
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// Partial Templlate Specialization.
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// The motivation for this is the Name-Value Pair (NVP) template.
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// it has to work the same on all platforms in order for archives
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// to be portable accross platforms.
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#include <boost/config.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/mpl/int.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/serialization/level_enum.hpp>
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#include <boost/serialization/tracking_enum.hpp>
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namespace boost {
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namespace serialization {
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// common base class used to detect appended traits class
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struct basic_traits {};
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template <class T>
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struct extended_type_info_impl;
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template<
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class T,
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int Level,
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int Tracking,
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unsigned int Version = 0,
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class ETII = extended_type_info_impl< T >,
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class Wrapper = mpl::false_
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>
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struct traits : public basic_traits {
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BOOST_STATIC_ASSERT(Version == 0 || Level >= object_class_info);
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BOOST_STATIC_ASSERT(Tracking == track_never || Level >= object_serializable);
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typedef BOOST_DEDUCED_TYPENAME mpl::int_<Level> level;
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typedef BOOST_DEDUCED_TYPENAME mpl::int_<Tracking> tracking;
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typedef BOOST_DEDUCED_TYPENAME mpl::int_<Version> version;
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typedef ETII type_info_implementation;
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typedef Wrapper is_wrapper;
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};
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} // namespace serialization
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} // namespace boost
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#endif // BOOST_SERIALIZATION_TRAITS_HPP
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