| |
| // (C) Copyright Francois Faure, iMAGIS-GRAVIR / UJF, 2001. |
| // |
| // Distributed under the Boost Software License, Version 1.0. (See |
| // accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| // |
| // Revision History: |
| // 03 May 2001 Jeremy Siek |
| // Generalized the property map iterator and moved that |
| // part to boost/property_map.hpp. Also modified to |
| // differentiate between const/mutable graphs and |
| // added a workaround to avoid partial specialization. |
| |
| // 02 May 2001 Francois Faure |
| // Initial version. |
| |
| #ifndef BOOST_GRAPH_PROPERTY_ITER_RANGE_HPP |
| #define BOOST_GRAPH_PROPERTY_ITER_RANGE_HPP |
| |
| #include <boost/property_map/property_map_iterator.hpp> |
| #include <boost/graph/properties.hpp> |
| #include <boost/mpl/if.hpp> |
| #include <boost/type_traits/same_traits.hpp> |
| |
| namespace boost { |
| |
| //====================================================================== |
| // graph property iterator range |
| |
| template <class Graph, class PropertyTag> |
| class graph_property_iter_range { |
| typedef typename property_map<Graph, PropertyTag>::type map_type; |
| typedef typename property_map<Graph, PropertyTag>::const_type |
| const_map_type; |
| typedef typename property_kind<PropertyTag>::type Kind; |
| typedef typename mpl::if_c<is_same<Kind, vertex_property_tag>::value, |
| typename graph_traits<Graph>::vertex_iterator, |
| typename graph_traits<Graph>::edge_iterator>::type iter; |
| public: |
| typedef typename property_map_iterator_generator<map_type, iter>::type |
| iterator; |
| typedef typename property_map_iterator_generator<const_map_type, iter> |
| ::type const_iterator; |
| typedef std::pair<iterator, iterator> type; |
| typedef std::pair<const_iterator, const_iterator> const_type; |
| }; |
| |
| namespace detail { |
| |
| template<class Graph,class Tag> |
| typename graph_property_iter_range<Graph,Tag>::type |
| get_property_iter_range_kind(Graph& graph, const Tag& tag, |
| const vertex_property_tag& ) |
| { |
| typedef typename graph_property_iter_range<Graph,Tag>::iterator iter; |
| return std::make_pair(iter(vertices(graph).first, get(tag, graph)), |
| iter(vertices(graph).second, get(tag, graph))); |
| } |
| |
| template<class Graph,class Tag> |
| typename graph_property_iter_range<Graph,Tag>::const_type |
| get_property_iter_range_kind(const Graph& graph, const Tag& tag, |
| const vertex_property_tag& ) |
| { |
| typedef typename graph_property_iter_range<Graph,Tag> |
| ::const_iterator iter; |
| return std::make_pair(iter(vertices(graph).first, get(tag, graph)), |
| iter(vertices(graph).second, get(tag, graph))); |
| } |
| |
| |
| template<class Graph,class Tag> |
| typename graph_property_iter_range<Graph,Tag>::type |
| get_property_iter_range_kind(Graph& graph, const Tag& tag, |
| const edge_property_tag& ) |
| { |
| typedef typename graph_property_iter_range<Graph,Tag>::iterator iter; |
| return std::make_pair(iter(edges(graph).first, get(tag, graph)), |
| iter(edges(graph).second, get(tag, graph))); |
| } |
| |
| template<class Graph,class Tag> |
| typename graph_property_iter_range<Graph,Tag>::const_type |
| get_property_iter_range_kind(const Graph& graph, const Tag& tag, |
| const edge_property_tag& ) |
| { |
| typedef typename graph_property_iter_range<Graph,Tag> |
| ::const_iterator iter; |
| return std::make_pair(iter(edges(graph).first, get(tag, graph)), |
| iter(edges(graph).second, get(tag, graph))); |
| } |
| |
| } // namespace detail |
| |
| //====================================================================== |
| // get an iterator range of properties |
| |
| template<class Graph, class Tag> |
| typename graph_property_iter_range<Graph, Tag>::type |
| get_property_iter_range(Graph& graph, const Tag& tag) |
| { |
| typedef typename property_kind<Tag>::type Kind; |
| return detail::get_property_iter_range_kind(graph, tag, Kind()); |
| } |
| |
| template<class Graph, class Tag> |
| typename graph_property_iter_range<Graph, Tag>::const_type |
| get_property_iter_range(const Graph& graph, const Tag& tag) |
| { |
| typedef typename property_kind<Tag>::type Kind; |
| return detail::get_property_iter_range_kind(graph, tag, Kind()); |
| } |
| |
| } // namespace boost |
| |
| |
| #endif // BOOST_GRAPH_PROPERTY_ITER_RANGE_HPP |