619 lines
20 KiB
C++
619 lines
20 KiB
C++
//=======================================================================
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// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
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// Copyright 2010 Thomas Claveirole
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// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek, Thomas Claveirole
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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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#ifndef BOOST_GRAPH_ADJACENCY_LIST_HPP
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#define BOOST_GRAPH_ADJACENCY_LIST_HPP
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#include <boost/config.hpp>
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#include <vector>
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#include <list>
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#include <set>
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#include <boost/unordered_set.hpp>
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#if !defined BOOST_NO_SLIST
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# ifdef BOOST_SLIST_HEADER
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# include BOOST_SLIST_HEADER
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# else
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# include <slist>
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# endif
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#endif
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#include <boost/scoped_ptr.hpp>
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#include <boost/graph/graph_traits.hpp>
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#include <boost/graph/graph_mutability_traits.hpp>
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#include <boost/graph/graph_selectors.hpp>
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#include <boost/property_map/property_map.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/mpl/and.hpp>
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#include <boost/mpl/not.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/graph/detail/edge.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/detail/workaround.hpp>
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#include <boost/graph/properties.hpp>
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#include <boost/graph/named_graph.hpp>
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namespace boost {
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//===========================================================================
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// Selectors for the VertexList and EdgeList template parameters of
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// adjacency_list, and the container_gen traits class which is used
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// to map the selectors to the container type used to implement the
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// graph.
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//
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// The main container_gen traits class uses partial specialization,
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// so we also include a workaround.
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#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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#if !defined BOOST_NO_SLIST
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struct slistS {};
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#endif
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struct vecS { };
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struct listS { };
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struct setS { };
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struct mapS { };
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struct multisetS { };
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struct multimapS { };
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struct hash_setS { };
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struct hash_mapS { };
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struct hash_multisetS { };
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struct hash_multimapS { };
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template <class Selector, class ValueType>
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struct container_gen { };
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template <class ValueType>
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struct container_gen<listS, ValueType> {
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typedef std::list<ValueType> type;
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};
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#if !defined BOOST_NO_SLIST
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template <class ValueType>
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struct container_gen<slistS, ValueType> {
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typedef BOOST_STD_EXTENSION_NAMESPACE::slist<ValueType> type;
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};
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#endif
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template <class ValueType>
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struct container_gen<vecS, ValueType> {
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typedef std::vector<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<mapS, ValueType> {
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typedef std::set<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<setS, ValueType> {
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typedef std::set<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<multisetS, ValueType> {
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typedef std::multiset<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<multimapS, ValueType> {
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typedef std::multiset<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<hash_setS, ValueType> {
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typedef boost::unordered_set<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<hash_mapS, ValueType> {
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typedef boost::unordered_set<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<hash_multisetS, ValueType> {
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typedef boost::unordered_multiset<ValueType> type;
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};
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template <class ValueType>
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struct container_gen<hash_multimapS, ValueType> {
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typedef boost::unordered_multiset<ValueType> type;
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};
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#else // !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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#if !defined BOOST_NO_SLIST
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struct slistS {
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template <class T>
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struct bind_ { typedef BOOST_STD_EXTENSION_NAMESPACE::slist<T> type; };
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};
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#endif
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struct vecS {
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template <class T>
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struct bind_ { typedef std::vector<T> type; };
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};
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struct listS {
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template <class T>
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struct bind_ { typedef std::list<T> type; };
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};
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struct setS {
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template <class T>
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struct bind_ { typedef std::set<T, std::less<T> > type; };
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};
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struct mapS {
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template <class T>
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struct bind_ { typedef std::set<T, std::less<T> > type; };
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};
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struct multisetS {
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template <class T>
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struct bind_ { typedef std::multiset<T, std::less<T> > type; };
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};
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struct multimapS {
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template <class T>
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struct bind_ { typedef std::multiset<T, std::less<T> > type; };
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};
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struct hash_setS {
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template <class T>
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struct bind_ { typedef boost::unordered_set<T> type; };
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};
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struct hash_mapS {
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template <class T>
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struct bind_ { typedef boost::unordered_set<T> type; };
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};
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struct hash_multisetS {
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template <class T>
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struct bind_ { typedef boost::unordered_multiset<T> type; };
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};
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struct hash_multimapS {
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template <class T>
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struct bind_ { typedef boost::unordered_multiset<T> type; };
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};
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template <class Selector> struct container_selector {
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typedef vecS type;
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};
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#define BOOST_CONTAINER_SELECTOR(NAME) \
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template <> struct container_selector<NAME> { \
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typedef NAME type; \
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}
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BOOST_CONTAINER_SELECTOR(vecS);
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BOOST_CONTAINER_SELECTOR(listS);
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BOOST_CONTAINER_SELECTOR(mapS);
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BOOST_CONTAINER_SELECTOR(setS);
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BOOST_CONTAINER_SELECTOR(multisetS);
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BOOST_CONTAINER_SELECTOR(hash_mapS);
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#if !defined BOOST_NO_SLIST
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BOOST_CONTAINER_SELECTOR(slistS);
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#endif
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template <class Selector, class ValueType>
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struct container_gen {
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typedef typename container_selector<Selector>::type Select;
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typedef typename Select:: template bind_<ValueType>::type type;
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};
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#endif // !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template <class StorageSelector>
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struct parallel_edge_traits { };
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template <>
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struct parallel_edge_traits<vecS> {
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typedef allow_parallel_edge_tag type; };
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template <>
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struct parallel_edge_traits<listS> {
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typedef allow_parallel_edge_tag type; };
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#if !defined BOOST_NO_SLIST
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template <>
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struct parallel_edge_traits<slistS> {
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typedef allow_parallel_edge_tag type; };
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#endif
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template <>
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struct parallel_edge_traits<setS> {
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typedef disallow_parallel_edge_tag type; };
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template <>
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struct parallel_edge_traits<multisetS> {
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typedef allow_parallel_edge_tag type; };
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template <>
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struct parallel_edge_traits<hash_setS> {
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typedef disallow_parallel_edge_tag type;
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};
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// mapS is obsolete, replaced with setS
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template <>
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struct parallel_edge_traits<mapS> {
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typedef disallow_parallel_edge_tag type; };
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template <>
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struct parallel_edge_traits<hash_mapS> {
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typedef disallow_parallel_edge_tag type;
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};
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template <>
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struct parallel_edge_traits<hash_multisetS> {
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typedef allow_parallel_edge_tag type;
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};
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template <>
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struct parallel_edge_traits<hash_multimapS> {
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typedef allow_parallel_edge_tag type;
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};
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namespace detail {
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template <class Directed> struct is_random_access {
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enum { value = false};
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typedef mpl::false_ type;
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};
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template <>
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struct is_random_access<vecS> {
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enum { value = true };
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typedef mpl::true_ type;
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};
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} // namespace detail
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//===========================================================================
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// The adjacency_list_traits class, which provides a way to access
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// some of the associated types of an adjacency_list type without
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// having to first create the adjacency_list type. This is useful
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// when trying to create interior vertex or edge properties who's
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// value type is a vertex or edge descriptor.
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template <class OutEdgeListS = vecS,
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class VertexListS = vecS,
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class DirectedS = directedS,
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class EdgeListS = listS>
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struct adjacency_list_traits
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{
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typedef typename detail::is_random_access<VertexListS>::type
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is_rand_access;
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typedef typename DirectedS::is_bidir_t is_bidir;
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typedef typename DirectedS::is_directed_t is_directed;
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typedef typename mpl::if_<is_bidir,
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bidirectional_tag,
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typename mpl::if_<is_directed,
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directed_tag, undirected_tag
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>::type
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>::type directed_category;
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typedef typename parallel_edge_traits<OutEdgeListS>::type
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edge_parallel_category;
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typedef std::size_t vertices_size_type;
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typedef void* vertex_ptr;
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typedef typename mpl::if_<is_rand_access,
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vertices_size_type, vertex_ptr>::type vertex_descriptor;
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typedef detail::edge_desc_impl<directed_category, vertex_descriptor>
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edge_descriptor;
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private:
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// Logic to figure out the edges_size_type
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struct dummy {};
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typedef typename container_gen<EdgeListS, dummy>::type EdgeContainer;
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typedef typename DirectedS::is_bidir_t BidirectionalT;
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typedef typename DirectedS::is_directed_t DirectedT;
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typedef typename mpl::and_<DirectedT,
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typename mpl::not_<BidirectionalT>::type >::type on_edge_storage;
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public:
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typedef typename mpl::if_<on_edge_storage,
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std::size_t, typename EdgeContainer::size_type
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>::type edges_size_type;
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};
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} // namespace boost
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#include <boost/graph/detail/adjacency_list.hpp>
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namespace boost {
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//===========================================================================
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// The adjacency_list class.
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//
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template <class OutEdgeListS = vecS, // a Sequence or an AssociativeContainer
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class VertexListS = vecS, // a Sequence or a RandomAccessContainer
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class DirectedS = directedS,
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class VertexProperty = no_property,
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class EdgeProperty = no_property,
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class GraphProperty = no_property,
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class EdgeListS = listS>
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class adjacency_list
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: public detail::adj_list_gen<
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adjacency_list<OutEdgeListS,VertexListS,DirectedS,
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VertexProperty,EdgeProperty,GraphProperty,EdgeListS>,
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VertexListS, OutEdgeListS, DirectedS,
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#if !defined(BOOST_GRAPH_NO_BUNDLED_PROPERTIES)
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typename detail::retag_property_list<vertex_bundle_t,
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VertexProperty>::type,
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typename detail::retag_property_list<edge_bundle_t, EdgeProperty>::type,
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#else
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VertexProperty, EdgeProperty,
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#endif
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GraphProperty, EdgeListS>::type,
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// Support for named vertices
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public graph::maybe_named_graph<
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adjacency_list<OutEdgeListS,VertexListS,DirectedS,
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VertexProperty,EdgeProperty,GraphProperty,EdgeListS>,
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typename adjacency_list_traits<OutEdgeListS, VertexListS, DirectedS,
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EdgeListS>::vertex_descriptor,
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VertexProperty>
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{
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public:
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#if !defined(BOOST_GRAPH_NO_BUNDLED_PROPERTIES)
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typedef typename graph_detail::graph_prop<GraphProperty>::property graph_property_type;
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typedef typename graph_detail::graph_prop<GraphProperty>::bundle graph_bundled;
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typedef typename graph_detail::vertex_prop<VertexProperty>::property vertex_property_type;
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typedef typename graph_detail::vertex_prop<VertexProperty>::bundle vertex_bundled;
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typedef typename graph_detail::edge_prop<EdgeProperty>::property edge_property_type;
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typedef typename graph_detail::edge_prop<EdgeProperty>::bundle edge_bundled;
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#else
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typedef GraphProperty graph_property_type;
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typedef no_graph_bundle graph_bundled;
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typedef VertexProperty vertex_property_type;
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typedef no_vertex_bundle vertex_bundled;
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typedef EdgeProperty edge_property_type;
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typedef no_edge_bundle edge_bundled;
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#endif
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private:
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typedef adjacency_list self;
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typedef typename detail::adj_list_gen<
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self, VertexListS, OutEdgeListS, DirectedS,
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vertex_property_type, edge_property_type, GraphProperty, EdgeListS
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>::type Base;
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public:
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typedef typename Base::stored_vertex stored_vertex;
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typedef typename Base::vertices_size_type vertices_size_type;
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typedef typename Base::edges_size_type edges_size_type;
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typedef typename Base::degree_size_type degree_size_type;
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typedef typename Base::vertex_descriptor vertex_descriptor;
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typedef typename Base::edge_descriptor edge_descriptor;
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typedef OutEdgeListS out_edge_list_selector;
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typedef VertexListS vertex_list_selector;
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typedef DirectedS directed_selector;
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typedef EdgeListS edge_list_selector;
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adjacency_list(const GraphProperty& p = GraphProperty())
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: m_property(new graph_property_type(p))
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{ }
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adjacency_list(const adjacency_list& x)
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: Base(x), m_property(new graph_property_type(*x.m_property))
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{ }
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adjacency_list& operator=(const adjacency_list& x) {
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// TBD: probably should give the strong guarantee
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if (&x != this) {
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Base::operator=(x);
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// Copy/swap the ptr since we can't just assign it...
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property_ptr p(new graph_property_type(*x.m_property));
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m_property.swap(p);
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}
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return *this;
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}
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// Required by Mutable Graph
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adjacency_list(vertices_size_type num_vertices,
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const GraphProperty& p = GraphProperty())
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: Base(num_vertices), m_property(new graph_property_type(p))
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{ }
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#if !defined(BOOST_MSVC) || BOOST_MSVC >= 1300
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// Required by Iterator Constructible Graph
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template <class EdgeIterator>
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adjacency_list(EdgeIterator first, EdgeIterator last,
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vertices_size_type n,
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edges_size_type = 0,
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const GraphProperty& p = GraphProperty())
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: Base(n, first, last), m_property(new graph_property_type(p))
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{ }
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template <class EdgeIterator, class EdgePropertyIterator>
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adjacency_list(EdgeIterator first, EdgeIterator last,
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EdgePropertyIterator ep_iter,
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vertices_size_type n,
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edges_size_type = 0,
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const GraphProperty& p = GraphProperty())
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: Base(n, first, last, ep_iter), m_property(new graph_property_type(p))
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{ }
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#endif
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void swap(adjacency_list& x) {
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// Is there a more efficient way to do this?
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adjacency_list tmp(x);
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x = *this;
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*this = tmp;
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}
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void clear()
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{
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this->clearing_graph();
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Base::clear();
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}
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#ifndef BOOST_GRAPH_NO_BUNDLED_PROPERTIES
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// Directly access a vertex or edge bundle
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vertex_bundled& operator[](vertex_descriptor v)
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{ return get(vertex_bundle, *this)[v]; }
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const vertex_bundled& operator[](vertex_descriptor v) const
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{ return get(vertex_bundle, *this)[v]; }
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edge_bundled& operator[](edge_descriptor e)
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{ return get(edge_bundle, *this)[e]; }
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const edge_bundled& operator[](edge_descriptor e) const
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{ return get(edge_bundle, *this)[e]; }
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graph_bundled& operator[](graph_bundle_t)
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{ return get_property(*this); }
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graph_bundled const& operator[](graph_bundle_t) const
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{ return get_property(*this); }
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#endif
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// protected: (would be protected if friends were more portable)
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typedef scoped_ptr<graph_property_type> property_ptr;
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property_ptr m_property;
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};
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#define ADJLIST_PARAMS \
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typename OEL, typename VL, typename D, typename VP, typename EP, \
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typename GP, typename EL
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#define ADJLIST adjacency_list<OEL,VL,D,VP,EP,GP,EL>
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template<ADJLIST_PARAMS, typename Tag, typename Value>
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inline void set_property(ADJLIST& g, Tag tag, Value const& value) {
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get_property_value(*g.m_property, tag) = value;
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}
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template<ADJLIST_PARAMS, typename Tag>
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inline typename graph_property<ADJLIST, Tag>::type&
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get_property(ADJLIST& g, Tag tag) {
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return get_property_value(*g.m_property, tag);
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}
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template<ADJLIST_PARAMS, typename Tag>
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inline typename graph_property<ADJLIST, Tag>::type const&
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get_property(ADJLIST const& g, Tag tag) {
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return get_property_value(*g.m_property, tag);
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}
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// dwa 09/25/00 - needed to be more explicit so reverse_graph would work.
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template <class Directed, class Vertex,
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class OutEdgeListS,
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class VertexListS,
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class DirectedS,
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class VertexProperty,
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class EdgeProperty,
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class GraphProperty, class EdgeListS>
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inline Vertex
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source(const detail::edge_base<Directed,Vertex>& e,
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const adjacency_list<OutEdgeListS, VertexListS, DirectedS,
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VertexProperty, EdgeProperty, GraphProperty, EdgeListS>&)
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{
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return e.m_source;
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}
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template <class Directed, class Vertex, class OutEdgeListS,
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class VertexListS, class DirectedS, class VertexProperty,
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class EdgeProperty, class GraphProperty, class EdgeListS>
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inline Vertex
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target(const detail::edge_base<Directed,Vertex>& e,
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const adjacency_list<OutEdgeListS, VertexListS, DirectedS,
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VertexProperty, EdgeProperty, GraphProperty, EdgeListS>&)
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{
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return e.m_target;
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}
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// Support for bundled properties
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#ifndef BOOST_GRAPH_NO_BUNDLED_PROPERTIES
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template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty,
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typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle>
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inline
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typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty,
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GraphProperty, EdgeListS>, T Bundle::*>::type
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get(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty,
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GraphProperty, EdgeListS>& g)
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{
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typedef typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty,
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|
EdgeProperty, GraphProperty, EdgeListS>, T Bundle::*>::type
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result_type;
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return result_type(&g, p);
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}
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|
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template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty,
|
|
typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle>
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|
inline
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|
typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty,
|
|
GraphProperty, EdgeListS>, T Bundle::*>::const_type
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get(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty,
|
|
GraphProperty, EdgeListS> const & g)
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|
{
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|
typedef typename property_map<adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty,
|
|
EdgeProperty, GraphProperty, EdgeListS>, T Bundle::*>::const_type
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|
result_type;
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|
return result_type(&g, p);
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|
}
|
|
|
|
template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty,
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|
typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle,
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|
typename Key>
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|
inline T
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|
get(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty,
|
|
GraphProperty, EdgeListS> const & g, const Key& key)
|
|
{
|
|
return get(get(p, g), key);
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|
}
|
|
|
|
template<typename OutEdgeListS, typename VertexListS, typename DirectedS, typename VertexProperty,
|
|
typename EdgeProperty, typename GraphProperty, typename EdgeListS, typename T, typename Bundle,
|
|
typename Key>
|
|
inline void
|
|
put(T Bundle::* p, adjacency_list<OutEdgeListS, VertexListS, DirectedS, VertexProperty, EdgeProperty,
|
|
GraphProperty, EdgeListS>& g, const Key& key, const T& value)
|
|
{
|
|
put(get(p, g), key, value);
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|
}
|
|
|
|
#endif
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|
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|
// Mutability Traits
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|
template <ADJLIST_PARAMS>
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|
struct graph_mutability_traits<ADJLIST> {
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|
typedef mutable_property_graph_tag category;
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|
};
|
|
|
|
// Can't remove vertices from adjacency lists with VL==vecS
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|
template <typename OEL, typename D, typename VP, typename EP, typename GP, typename EL>
|
|
struct graph_mutability_traits< adjacency_list<OEL,vecS,D,VP,EP,GP,EL> > {
|
|
typedef add_only_property_graph_tag category;
|
|
};
|
|
#undef ADJLIST_PARAMS
|
|
#undef ADJLIST
|
|
|
|
|
|
} // namespace boost
|
|
|
|
|
|
#endif // BOOST_GRAPH_ADJACENCY_LIST_HPP
|