171 lines
9.0 KiB
C++
171 lines
9.0 KiB
C++
// Boost.Bimap
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//
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// Copyright (c) 2006-2007 Matias Capeletto
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (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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/// \file relation/detail/access_builder.hpp
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/// \brief Define macros to help building metafunctions
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#ifndef BOOST_BIMAP_RELATION_ACCESS_BUILDER_HPP
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#define BOOST_BIMAP_RELATION_ACCESS_BUILDER_HPP
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#if defined(_MSC_VER)
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#pragma once
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#endif
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#include <boost/config.hpp>
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#include <boost/bimap/relation/support/member_with_tag.hpp>
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#include <boost/bimap/relation/member_at.hpp>
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#include <boost/call_traits.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/mpl/not.hpp>
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#include <boost/utility/enable_if.hpp>
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/******************************************************************************
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BIMAP SYMMETRIC ACCESS RESULT OF
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*******************************************************************************
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namespace result_of {
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template< class Tag, class SymmetricType >
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struct NAME
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{
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typedef -unspecified- type;
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};
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} // namespace result_of
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******************************************************************************/
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/*===========================================================================*/
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#define BOOST_BIMAP_SYMMETRIC_ACCESS_RESULT_OF_BUILDER( \
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\
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NAME, \
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METAFUNCTION_BASE \
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) \
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\
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namespace result_of { \
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\
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template< class Tag, class SymmetricType > \
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struct NAME \
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{ \
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typedef BOOST_DEDUCED_TYPENAME METAFUNCTION_BASE \
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< \
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Tag,SymmetricType \
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\
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>::type value_type; \
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\
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typedef BOOST_DEDUCED_TYPENAME mpl::if_< is_const<SymmetricType>, \
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\
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BOOST_DEDUCED_TYPENAME call_traits<value_type>::const_reference, \
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\
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BOOST_DEDUCED_TYPENAME call_traits<value_type>::reference \
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\
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>::type type; \
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}; \
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\
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}
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/*===========================================================================*/
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/******************************************************************************
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BIMAP SYMMETRIC ACCESS IMPLEMENTATION
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*******************************************************************************
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namespace detail {
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template< class Tag, class SymmetricType >
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typename result_of::NAME<Tag,SymmetricType>::type
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NAME( Tag , const Relation & );
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} // namespace detail
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******************************************************************************/
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/*===========================================================================*/
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#define BOOST_BIMAP_SYMMETRIC_ACCESS_IMPLEMENTATION_BUILDER( \
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\
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NAME, \
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TP_SYMMETRIC, \
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PARAMETER_NAME, \
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LEFT_BODY, \
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RIGHT_BODY \
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) \
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\
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namespace detail { \
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\
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\
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\
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template< class TP_SYMMETRIC > \
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BOOST_DEDUCED_TYPENAME result_of::NAME \
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< \
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::boost::bimaps::relation::member_at::left,TP_SYMMETRIC \
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\
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>::type \
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\
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NAME( ::boost::bimaps::relation::member_at::left, \
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TP_SYMMETRIC & PARAMETER_NAME ) \
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{ \
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LEFT_BODY; \
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} \
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\
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template< class TP_SYMMETRIC > \
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BOOST_DEDUCED_TYPENAME result_of::NAME \
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< \
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::boost::bimaps::relation::member_at::right,TP_SYMMETRIC \
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\
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>::type \
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\
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NAME( ::boost::bimaps::relation::member_at::right, \
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TP_SYMMETRIC & PARAMETER_NAME ) \
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{ \
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RIGHT_BODY; \
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} \
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\
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}
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/*===========================================================================*/
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/******************************************************************************
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BIMAP RELATION ACCESS INTERFACE
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*******************************************************************************
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template< class Tag, class SymmetricType >
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typename result_of::NAME<Tag,SymmetricType>::type
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NAME( const SymmetricType & );
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******************************************************************************/
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/*===========================================================================*/
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#define BOOST_BIMAP_SYMMETRIC_ACCESS_INTERFACE_BUILDER( \
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\
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NAME \
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) \
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\
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template< class Tag, class SymmetricType > \
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BOOST_DEDUCED_TYPENAME result_of::NAME<Tag,SymmetricType>::type \
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NAME( SymmetricType & s ) \
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{ \
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typedef BOOST_DEDUCED_TYPENAME ::boost::bimaps::relation::support:: \
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member_with_tag \
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< \
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Tag,SymmetricType \
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\
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>::type member_at_tag; \
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\
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return detail::NAME(member_at_tag(),s); \
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}
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/*===========================================================================*/
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#endif // BOOST_BIMAP_RELATION_ACCESS_BUILDER_HPP
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