119 lines
4.4 KiB
C++
119 lines
4.4 KiB
C++
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// (C) Copyright Francois Faure, iMAGIS-GRAVIR / UJF, 2001.
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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//
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// Revision History:
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// 03 May 2001 Jeremy Siek
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// Generalized the property map iterator and moved that
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// part to boost/property_map.hpp. Also modified to
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// differentiate between const/mutable graphs and
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// added a workaround to avoid partial specialization.
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// 02 May 2001 Francois Faure
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// Initial version.
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#ifndef BOOST_GRAPH_PROPERTY_ITER_RANGE_HPP
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#define BOOST_GRAPH_PROPERTY_ITER_RANGE_HPP
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#include <boost/property_map/property_map_iterator.hpp>
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#include <boost/graph/properties.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/type_traits/same_traits.hpp>
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namespace boost {
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//======================================================================
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// graph property iterator range
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template <class Graph, class PropertyTag>
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class graph_property_iter_range {
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typedef typename property_map<Graph, PropertyTag>::type map_type;
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typedef typename property_map<Graph, PropertyTag>::const_type
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const_map_type;
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typedef typename property_kind<PropertyTag>::type Kind;
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typedef typename mpl::if_c<is_same<Kind, vertex_property_tag>::value,
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typename graph_traits<Graph>::vertex_iterator,
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typename graph_traits<Graph>::edge_iterator>::type iter;
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public:
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typedef typename property_map_iterator_generator<map_type, iter>::type
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iterator;
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typedef typename property_map_iterator_generator<const_map_type, iter>
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::type const_iterator;
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typedef std::pair<iterator, iterator> type;
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typedef std::pair<const_iterator, const_iterator> const_type;
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};
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namespace detail {
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template<class Graph,class Tag>
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typename graph_property_iter_range<Graph,Tag>::type
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get_property_iter_range_kind(Graph& graph, const Tag& tag,
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const vertex_property_tag& )
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{
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typedef typename graph_property_iter_range<Graph,Tag>::iterator iter;
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return std::make_pair(iter(vertices(graph).first, get(tag, graph)),
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iter(vertices(graph).second, get(tag, graph)));
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}
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template<class Graph,class Tag>
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typename graph_property_iter_range<Graph,Tag>::const_type
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get_property_iter_range_kind(const Graph& graph, const Tag& tag,
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const vertex_property_tag& )
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{
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typedef typename graph_property_iter_range<Graph,Tag>
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::const_iterator iter;
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return std::make_pair(iter(vertices(graph).first, get(tag, graph)),
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iter(vertices(graph).second, get(tag, graph)));
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}
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template<class Graph,class Tag>
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typename graph_property_iter_range<Graph,Tag>::type
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get_property_iter_range_kind(Graph& graph, const Tag& tag,
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const edge_property_tag& )
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{
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typedef typename graph_property_iter_range<Graph,Tag>::iterator iter;
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return std::make_pair(iter(edges(graph).first, get(tag, graph)),
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iter(edges(graph).second, get(tag, graph)));
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}
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template<class Graph,class Tag>
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typename graph_property_iter_range<Graph,Tag>::const_type
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get_property_iter_range_kind(const Graph& graph, const Tag& tag,
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const edge_property_tag& )
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{
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typedef typename graph_property_iter_range<Graph,Tag>
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::const_iterator iter;
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return std::make_pair(iter(edges(graph).first, get(tag, graph)),
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iter(edges(graph).second, get(tag, graph)));
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}
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} // namespace detail
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//======================================================================
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// get an iterator range of properties
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template<class Graph, class Tag>
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typename graph_property_iter_range<Graph, Tag>::type
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get_property_iter_range(Graph& graph, const Tag& tag)
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{
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typedef typename property_kind<Tag>::type Kind;
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return detail::get_property_iter_range_kind(graph, tag, Kind());
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}
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template<class Graph, class Tag>
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typename graph_property_iter_range<Graph, Tag>::const_type
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get_property_iter_range(const Graph& graph, const Tag& tag)
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{
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typedef typename property_kind<Tag>::type Kind;
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return detail::get_property_iter_range_kind(graph, tag, Kind());
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}
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} // namespace boost
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#endif // BOOST_GRAPH_PROPERTY_ITER_RANGE_HPP
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