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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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//======================================================================
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// graph property iterator range
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template < class Graph, class PropertyTag > class graph_property_iter_range
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{
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typedef typename property_map< Graph, PropertyTag >::type map_type;
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typedef
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typename property_map< Graph, PropertyTag >::const_type 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
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typename property_map_iterator_generator< const_map_type, iter >::type
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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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{
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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(
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Graph& graph, const Tag& tag, 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(
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const Graph& graph, const Tag& tag, const vertex_property_tag&)
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{
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typedef typename graph_property_iter_range< Graph, Tag >::const_iterator
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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(
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Graph& graph, const Tag& tag, 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(
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const Graph& graph, const Tag& tag, const edge_property_tag&)
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{
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typedef typename graph_property_iter_range< Graph, Tag >::const_iterator
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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 get_property_iter_range(
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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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