diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/stdapis/boost/graph/leda_graph.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/stdapis/boost/graph/leda_graph.hpp	Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,549 @@
+//=======================================================================
+// Copyright 1997, 1998, 1999, 2000 University of Notre Dame.
+// Copyright 2004 The Trustees of Indiana University.
+// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek, Douglas Gregor
+//
+// 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)
+//=======================================================================
+#ifndef BOOST_GRAPH_LEDA_HPP
+#define BOOST_GRAPH_LEDA_HPP
+
+#include <boost/config.hpp>
+#include <boost/iterator/iterator_facade.hpp>
+#include <boost/graph/graph_traits.hpp>
+#include <boost/graph/properties.hpp>
+
+#include <LEDA/graph.h>
+#include <LEDA/node_array.h>
+#include <LEDA/node_map.h>
+
+// The functions and classes in this file allows the user to
+// treat a LEDA GRAPH object as a boost graph "as is". No
+// wrapper is needed for the GRAPH object.
+
+// Remember to define LEDA_PREFIX so that LEDA types such as
+// leda_edge show up as "leda_edge" and not just "edge".
+
+// Warning: this implementation relies on partial specialization
+// for the graph_traits class (so it won't compile with Visual C++)
+
+// Warning: this implementation is in alpha and has not been tested
+
+#if !defined BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+namespace boost {
+
+  struct leda_graph_traversal_category : 
+    public virtual bidirectional_graph_tag,
+    public virtual adjacency_graph_tag,
+    public virtual vertex_list_graph_tag { };
+
+  template <class vtype, class etype>
+  struct graph_traits< leda::GRAPH<vtype,etype> > {
+    typedef leda_node vertex_descriptor;
+    typedef leda_edge edge_descriptor;
+
+    class adjacency_iterator 
+      : public iterator_facade<adjacency_iterator,
+                               leda_node,
+                               bidirectional_traversal_tag,
+                               leda_node,
+                               const leda_node*>
+    {
+    public:
+      explicit adjacency_iterator(leda_edge edge = 0) : base(edge) {}
+
+    private:
+      leda_node dereference() const { return leda::target(base); }
+
+      bool equal(const adjacency_iterator& other) const
+      { return base == other.base; }
+
+      void increment() { base = Succ_Adj_Edge(base, 0); }
+      void decrement() { base = Pred_Adj_Edge(base, 0); }
+
+      leda_edge base;
+
+      friend class iterator_core_access;
+    };
+      
+    class out_edge_iterator 
+      : public iterator_facade<out_edge_iterator,
+                               leda_edge,
+                               bidirectional_traversal_tag,
+                               const leda_edge&,
+                               const leda_edge*>
+    {
+    public:
+      explicit out_edge_iterator(leda_edge edge = 0) : base(edge) {}
+
+    private:
+      const leda_edge& dereference() const { return base; }
+
+      bool equal(const out_edge_iterator& other) const
+      { return base == other.base; }
+
+      void increment() { base = Succ_Adj_Edge(base, 0); }
+      void decrement() { base = Pred_Adj_Edge(base, 0); }
+
+      leda_edge base;
+
+      friend class iterator_core_access;
+    };
+      
+    class in_edge_iterator 
+      : public iterator_facade<in_edge_iterator,
+                               leda_edge,
+                               bidirectional_traversal_tag,
+                               const leda_edge&,
+                               const leda_edge*>
+    {
+    public:
+      explicit in_edge_iterator(leda_edge edge = 0) : base(edge) {}
+
+    private:
+      const leda_edge& dereference() const { return base; }
+
+      bool equal(const in_edge_iterator& other) const
+      { return base == other.base; }
+
+      void increment() { base = Succ_Adj_Edge(base, 1); }
+      void decrement() { base = Pred_Adj_Edge(base, 1); }
+
+      leda_edge base;
+
+      friend class iterator_core_access;
+    };
+
+    class vertex_iterator 
+      : public iterator_facade<vertex_iterator,
+                               leda_node,
+                               bidirectional_traversal_tag,
+                               const leda_node&,
+                               const leda_node*>
+    {
+    public:
+      vertex_iterator(leda_node node = 0, 
+                      const leda::GRAPH<vtype, etype>* g = 0)
+        : base(node), g(g) {}
+
+    private:
+      const leda_node& dereference() const { return base; }
+
+      bool equal(const vertex_iterator& other) const
+      { return base == other.base; }
+
+      void increment() { base = g->succ_node(base); }
+      void decrement() { base = g->pred_node(base); }
+
+      leda_node base;
+      const leda::GRAPH<vtype, etype>* g;
+
+      friend class iterator_core_access;
+    };
+
+    typedef directed_tag directed_category;
+    typedef allow_parallel_edge_tag edge_parallel_category; // not sure here
+    typedef leda_graph_traversal_category traversal_category;
+    typedef int vertices_size_type;
+    typedef int edges_size_type;
+    typedef int degree_size_type;
+  };
+
+  template <class vtype, class etype>
+  struct vertex_property< leda::GRAPH<vtype,etype> > {
+    typedef vtype type;
+  };
+
+  template <class vtype, class etype>
+  struct edge_property< leda::GRAPH<vtype,etype> > {
+    typedef etype type;
+  };
+
+} // namespace boost
+#endif
+
+namespace boost {
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor
+  source(typename graph_traits< leda::GRAPH<vtype,etype> >::edge_descriptor e,
+         const leda::GRAPH<vtype,etype>& g)
+  {
+    return source(e);
+  }
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor
+  target(typename graph_traits< leda::GRAPH<vtype,etype> >::edge_descriptor e,
+         const leda::GRAPH<vtype,etype>& g)
+  {
+    return target(e);
+  }
+
+  template <class vtype, class etype>
+  inline std::pair<
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_iterator,
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_iterator >  
+  vertices(const leda::GRAPH<vtype,etype>& g)
+  {
+    typedef typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_iterator
+      Iter;
+    return std::make_pair( Iter(g.first_node(),&g), Iter(0,&g) );
+  }
+
+  // no edges(g) function
+
+  template <class vtype, class etype>
+  inline std::pair<
+    typename graph_traits< leda::GRAPH<vtype,etype> >::out_edge_iterator,
+    typename graph_traits< leda::GRAPH<vtype,etype> >::out_edge_iterator >  
+  out_edges(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u, 
+    const leda::GRAPH<vtype,etype>& g)
+  {
+    typedef typename graph_traits< leda::GRAPH<vtype,etype> >
+      ::out_edge_iterator Iter;
+    return std::make_pair( Iter(First_Adj_Edge(u,0)), Iter(0) );
+  }
+
+  template <class vtype, class etype>
+  inline std::pair<
+    typename graph_traits< leda::GRAPH<vtype,etype> >::in_edge_iterator,
+    typename graph_traits< leda::GRAPH<vtype,etype> >::in_edge_iterator >  
+  in_edges(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u, 
+    const leda::GRAPH<vtype,etype>& g)
+  {
+    typedef typename graph_traits< leda::GRAPH<vtype,etype> >
+      ::in_edge_iterator Iter;
+    return std::make_pair( Iter(First_Adj_Edge(u,1)), Iter(0) );
+  }
+
+  template <class vtype, class etype>
+  inline std::pair<
+    typename graph_traits< leda::GRAPH<vtype,etype> >::adjacency_iterator,
+    typename graph_traits< leda::GRAPH<vtype,etype> >::adjacency_iterator >  
+  adjacent_vertices(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u, 
+    const leda::GRAPH<vtype,etype>& g)
+  {
+    typedef typename graph_traits< leda::GRAPH<vtype,etype> >
+      ::adjacency_iterator Iter;
+    return std::make_pair( Iter(First_Adj_Edge(u,0)), Iter(0) );
+  }
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::vertices_size_type
+  num_vertices(const leda::GRAPH<vtype,etype>& g)
+  {
+    return g.number_of_nodes();
+  }  
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::edges_size_type
+  num_edges(const leda::GRAPH<vtype,etype>& g)
+  {
+    return g.number_of_edges();
+  }  
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::degree_size_type
+  out_degree(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u, 
+    const leda::GRAPH<vtype,etype>&)
+  {
+    return outdeg(u);
+  }
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::degree_size_type
+  in_degree(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u, 
+    const leda::GRAPH<vtype,etype>&)
+  {
+    return indeg(u);
+  }
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::degree_size_type
+  degree(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u, 
+    const leda::GRAPH<vtype,etype>&)
+  {
+    return outdeg(u) + indeg(u);
+  }
+  
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor
+  add_vertex(leda::GRAPH<vtype,etype>& g)
+  {
+    return g.new_node();
+  }
+
+  template <class vtype, class etype>
+  typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor
+  add_vertex(const vtype& vp, leda::GRAPH<vtype,etype>& g)
+  {
+    return g.new_node(vp);
+  }
+
+  // Hmm, LEDA doesn't have the equivalent of clear_vertex() -JGS
+  // need to write an implementation
+  template <class vtype, class etype>
+  void clear_vertex(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u,
+    leda::GRAPH<vtype,etype>& g)
+  {
+    g.del_node(u);
+  }
+
+  template <class vtype, class etype>
+  void remove_vertex(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u,
+    leda::GRAPH<vtype,etype>& g)
+  {
+    g.del_node(u);
+  }
+
+  template <class vtype, class etype>
+  std::pair<
+    typename graph_traits< leda::GRAPH<vtype,etype> >::edge_descriptor,
+    bool>
+  add_edge(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u,
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor v,
+    leda::GRAPH<vtype,etype>& g)
+  {
+    return std::make_pair(g.new_edge(u, v), true);
+  }
+
+  template <class vtype, class etype>
+  std::pair<
+    typename graph_traits< leda::GRAPH<vtype,etype> >::edge_descriptor,
+    bool>
+  add_edge(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u,
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor v,
+    const etype& et, 
+    leda::GRAPH<vtype,etype>& g)
+  {
+    return std::make_pair(g.new_edge(u, v, et), true);
+  }
+
+  template <class vtype, class etype>
+  void
+  remove_edge(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor u,
+    typename graph_traits< leda::GRAPH<vtype,etype> >::vertex_descriptor v,
+    leda::GRAPH<vtype,etype>& g)
+  {
+    typename graph_traits< leda::GRAPH<vtype,etype> >::out_edge_iterator 
+      i,iend;
+    for (boost::tie(i,iend) = out_edges(u,g); i != iend; ++i)
+      if (target(*i,g) == v)
+        g.del_edge(*i);
+  }
+
+  template <class vtype, class etype>
+  void
+  remove_edge(
+    typename graph_traits< leda::GRAPH<vtype,etype> >::edge_descriptor e,
+    leda::GRAPH<vtype,etype>& g)
+  {
+    g.del_edge(e);
+  }
+
+  //===========================================================================
+  // property maps
+  
+  class leda_graph_id_map
+    : public put_get_helper<int, leda_graph_id_map>
+  {
+  public:
+    typedef readable_property_map_tag category;
+    typedef int value_type;
+    typedef int reference;
+    typedef leda_node key_type;
+    leda_graph_id_map() { }
+    template <class T>
+    long operator[](T x) const { return x->id(); }
+  };
+  template <class vtype, class etype>
+  inline leda_graph_id_map
+  get(vertex_index_t, const leda::GRAPH<vtype, etype>& g) {
+    return leda_graph_id_map();
+  }
+  template <class vtype, class etype>
+  inline leda_graph_id_map
+  get(edge_index_t, const leda::GRAPH<vtype, etype>& g) {
+    return leda_graph_id_map();
+  }
+
+  template <class Tag>
+  struct leda_property_map { };
+
+  template <>
+  struct leda_property_map<vertex_index_t> {
+    template <class vtype, class etype>
+    struct bind_ {
+      typedef leda_graph_id_map type;
+      typedef leda_graph_id_map const_type;
+    };
+  };
+  template <>
+  struct leda_property_map<edge_index_t> {
+    template <class vtype, class etype>
+    struct bind_ {
+      typedef leda_graph_id_map type;
+      typedef leda_graph_id_map const_type;
+    };
+  };
+
+
+  template <class Data, class DataRef, class GraphPtr>
+  class leda_graph_data_map
+    : public put_get_helper<DataRef, 
+                            leda_graph_data_map<Data,DataRef,GraphPtr> >
+  {
+  public:
+    typedef Data value_type;
+    typedef DataRef reference;
+    typedef void key_type;
+    typedef lvalue_property_map_tag category;
+    leda_graph_data_map(GraphPtr g) : m_g(g) { }
+    template <class NodeOrEdge>
+    DataRef operator[](NodeOrEdge x) const { return (*m_g)[x]; }
+  protected:
+    GraphPtr m_g;
+  };
+
+  template <>
+  struct leda_property_map<vertex_all_t> {
+    template <class vtype, class etype>
+    struct bind_ {
+      typedef leda_graph_data_map<vtype, vtype&, leda::GRAPH<vtype, etype>*> type;
+      typedef leda_graph_data_map<vtype, const vtype&, 
+        const leda::GRAPH<vtype, etype>*> const_type;
+    };
+  };  
+  template <class vtype, class etype >
+  inline typename property_map< leda::GRAPH<vtype, etype>, vertex_all_t>::type
+  get(vertex_all_t, leda::GRAPH<vtype, etype>& g) {
+    typedef typename property_map< leda::GRAPH<vtype, etype>, vertex_all_t>::type 
+      pmap_type;
+    return pmap_type(&g);
+  }
+  template <class vtype, class etype >
+  inline typename property_map< leda::GRAPH<vtype, etype>, vertex_all_t>::const_type
+  get(vertex_all_t, const leda::GRAPH<vtype, etype>& g) {
+    typedef typename property_map< leda::GRAPH<vtype, etype>, 
+      vertex_all_t>::const_type pmap_type;
+    return pmap_type(&g);
+  }
+
+  template <>
+  struct leda_property_map<edge_all_t> {
+    template <class vtype, class etype>
+    struct bind_ {
+      typedef leda_graph_data_map<etype, etype&, leda::GRAPH<vtype, etype>*> type;
+      typedef leda_graph_data_map<etype, const etype&, 
+        const leda::GRAPH<vtype, etype>*> const_type;
+    };
+  };
+  template <class vtype, class etype >
+  inline typename property_map< leda::GRAPH<vtype, etype>, edge_all_t>::type
+  get(edge_all_t, leda::GRAPH<vtype, etype>& g) {
+    typedef typename property_map< leda::GRAPH<vtype, etype>, edge_all_t>::type 
+      pmap_type;
+    return pmap_type(&g);
+  }
+  template <class vtype, class etype >
+  inline typename property_map< leda::GRAPH<vtype, etype>, edge_all_t>::const_type
+  get(edge_all_t, const leda::GRAPH<vtype, etype>& g) {
+    typedef typename property_map< leda::GRAPH<vtype, etype>, 
+      edge_all_t>::const_type pmap_type;
+    return pmap_type(&g);
+  }
+
+  // property map interface to the LEDA node_array class
+
+  template <class E, class ERef, class NodeMapPtr>
+  class leda_node_property_map
+    : public put_get_helper<ERef, leda_node_property_map<E, ERef, NodeMapPtr> >
+  {
+  public:
+    typedef E value_type;
+    typedef ERef reference;
+    typedef leda_node key_type;
+    typedef lvalue_property_map_tag category;
+    leda_node_property_map(NodeMapPtr a) : m_array(a) { }
+    ERef operator[](leda_node n) const { return (*m_array)[n]; }
+  protected:
+    NodeMapPtr m_array;
+  };
+  template <class E>
+  leda_node_property_map<E, const E&, const leda_node_array<E>*>
+  make_leda_node_property_map(const leda_node_array<E>& a)
+  {
+    typedef leda_node_property_map<E, const E&, const leda_node_array<E>*>
+      pmap_type;
+    return pmap_type(&a);
+  }
+  template <class E>
+  leda_node_property_map<E, E&, leda_node_array<E>*>
+  make_leda_node_property_map(leda_node_array<E>& a)
+  {
+    typedef leda_node_property_map<E, E&, leda_node_array<E>*> pmap_type;
+    return pmap_type(&a);
+  }
+
+  template <class E>
+  leda_node_property_map<E, const E&, const leda_node_map<E>*>
+  make_leda_node_property_map(const leda_node_map<E>& a)
+  {
+    typedef leda_node_property_map<E,const E&,const leda_node_map<E>*> 
+      pmap_type;
+    return pmap_type(&a);
+  }
+  template <class E>
+  leda_node_property_map<E, E&, leda_node_map<E>*>
+  make_leda_node_property_map(leda_node_map<E>& a)
+  {
+    typedef leda_node_property_map<E, E&, leda_node_map<E>*> pmap_type;
+    return pmap_type(&a);
+  }
+
+  // g++ 'enumeral_type' in template unification not implemented workaround
+  template <class vtype, class etype, class Tag>
+  struct property_map<leda::GRAPH<vtype, etype>, Tag> {
+    typedef typename 
+      leda_property_map<Tag>::template bind_<vtype, etype> map_gen;
+    typedef typename map_gen::type type;
+    typedef typename map_gen::const_type const_type;
+  };
+
+  template <class vtype, class etype, class PropertyTag, class Key>
+  inline
+  typename boost::property_traits<
+    typename boost::property_map<leda::GRAPH<vtype, etype>,PropertyTag>::const_type
+  >::value_type
+  get(PropertyTag p, const leda::GRAPH<vtype, etype>& g, const Key& key) {
+    return get(get(p, g), key);
+  }
+  
+  template <class vtype, class etype, class PropertyTag, class Key,class Value>
+  inline void
+  put(PropertyTag p, leda::GRAPH<vtype, etype>& g, 
+      const Key& key, const Value& value)
+  {
+    typedef typename property_map<leda::GRAPH<vtype, etype>, PropertyTag>::type Map;
+    Map pmap = get(p, g);
+    put(pmap, key, value);
+  }
+
+} // namespace boost
+
+
+#endif // BOOST_GRAPH_LEDA_HPP