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118 lines
4.3 KiB
118 lines
4.3 KiB
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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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