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// (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
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