// Copyright 2008-2010 Gordon Woodhull
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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 http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_MSM_MPL_GRAPH_DETAIL_INCIDENCE_LIST_GRAPH_IPP_INCLUDED
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#define BOOST_MSM_MPL_GRAPH_DETAIL_INCIDENCE_LIST_GRAPH_IPP_INCLUDED
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// these metafunctions provide the metadata structures needed by the public interface
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// in mpl_graph.hpp
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#include <boost/mpl/map.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/mpl/copy.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/mpl/next.hpp>
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#include <boost/mpl/front.hpp>
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#include <boost/mpl/back.hpp>
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#include <boost/mpl/deref.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/mpl/size.hpp>
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#include <boost/mpl/void.hpp>
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#include <boost/mpl/erase_key.hpp>
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#include <boost/mpl/has_key.hpp>
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#include <boost/mpl/inserter.hpp>
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#include <boost/mpl/back_inserter.hpp>
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#include <boost/mpl/set.hpp>
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#include <boost/mpl/insert.hpp>
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#include <boost/mpl/transform.hpp>
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#include <boost/mpl/pair.hpp>
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#include <boost/mpl/size.hpp>
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#include <boost/mpl/fold.hpp>
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#include <boost/mpl/transform.hpp>
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#include <boost/mpl/at.hpp>
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#include <boost/mpl/push_back.hpp>
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#include <boost/mpl/filter_view.hpp>
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#include <boost/mpl/transform_view.hpp>
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#include <boost/mpl/equal.hpp>
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#include <boost/type_traits.hpp>
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namespace boost {
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namespace msm {
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namespace mpl_graph {
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namespace detail {
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// tag to identify this graph implementation (not defined)
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struct incidence_list_tag;
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// clarifiers
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template<typename EST> struct fetch_edge :
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mpl::front<EST> {};
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template<typename EST> struct fetch_source :
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mpl::deref<typename mpl::next<typename mpl::begin<EST>::type>::type> {};
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template<typename EST> struct fetch_target :
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mpl::back<EST> {};
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// Edge->Target map for an Source for out_*, adjacent_vertices
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template<typename Source, typename ESTSequence>
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struct produce_out_map<incidence_list_tag, Source, ESTSequence> :
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mpl::fold<typename mpl::filter_view<ESTSequence, boost::is_same<fetch_source<mpl::_1>,Source> >::type,
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mpl::map<>,
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mpl::insert<mpl::_1,mpl::pair<fetch_edge<mpl::_2>,fetch_target<mpl::_2> > > >
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{};
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// Edge->Source map for a Target for in_*, degree
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template<typename Target, typename ESTSequence>
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struct produce_in_map<incidence_list_tag, Target, ESTSequence> :
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mpl::fold<typename mpl::filter_view<ESTSequence,
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boost::is_same<fetch_target<mpl::_1>,Target> >::type,
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mpl::map<>,
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mpl::insert<mpl::_1,mpl::pair<fetch_edge<mpl::_2>,fetch_source<mpl::_2> > > >
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{};
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// Edge->pair<Source,Target> map for source, target
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template<typename ESTSequence>
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struct produce_edge_st_map<incidence_list_tag, ESTSequence> :
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mpl::fold<ESTSequence,
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mpl::map<>,
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mpl::insert<mpl::_1,mpl::pair<fetch_edge<mpl::_2>,
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mpl::pair<fetch_source<mpl::_2>,
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fetch_target<mpl::_2> > > > >
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{};
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// Vertex set for VertexListGraph
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template<typename ESTSequence>
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struct produce_vertex_set<incidence_list_tag, ESTSequence> :
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mpl::fold<ESTSequence,
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typename mpl::fold<ESTSequence,
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mpl::set<>,
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mpl::insert<mpl::_1,fetch_target<mpl::_2> >
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>::type,
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mpl::insert<mpl::_1, fetch_source<mpl::_2> > >
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{};
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// Edge set for EdgeListGraph
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template<typename ESTSequence>
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struct produce_edge_set<incidence_list_tag, ESTSequence> :
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mpl::fold<ESTSequence,
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mpl::set<>,
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mpl::insert<mpl::_1,fetch_edge<mpl::_2> > >
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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_MSM_MPL_GRAPH_DETAIL_INCIDENCE_LIST_GRAPH_IPP_INCLUDED
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