Added thirdparty: boost library

2026-08-16 04:08:10 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
commit bccd1e7051
15683 changed files with 3239840 additions and 0 deletions
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+// (C) Copyright 2007-2009 Andrew Sutton
+//
+// Use, modification and distribution are subject to the
+// Boost Software License, Version 1.0 (See accompanying file
+// LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_GRAPH_DETAIL_INDEX_HPP
+#define BOOST_GRAPH_DETAIL_INDEX_HPP
+
+#include <boost/graph/graph_traits.hpp>
+
+// The structures in this module are responsible for selecting and defining
+// types for accessing a builting index map. Note that the selection of these
+// types requires the Graph parameter to model either VertexIndexGraph or
+// EdgeIndexGraph.
+
+namespace boost
+{
+namespace detail
+{
+    template < typename Graph > struct vertex_indexer
+    {
+        typedef vertex_index_t index_type;
+        typedef typename property_map< Graph, vertex_index_t >::type map_type;
+        typedef typename property_map< Graph, vertex_index_t >::const_type
+            const_map_type;
+        typedef typename property_traits< map_type >::value_type value_type;
+        typedef typename graph_traits< Graph >::vertex_descriptor key_type;
+
+        static const_map_type index_map(const Graph& g)
+        {
+            return get(vertex_index, g);
+        }
+
+        static map_type index_map(Graph& g) { return get(vertex_index, g); }
+
+        static value_type index(key_type k, const Graph& g)
+        {
+            return get(vertex_index, g, k);
+        }
+    };
+
+    template < typename Graph > struct edge_indexer
+    {
+        typedef edge_index_t index_type;
+        typedef typename property_map< Graph, edge_index_t >::type map_type;
+        typedef typename property_map< Graph, edge_index_t >::const_type
+            const_map_type;
+        typedef typename property_traits< map_type >::value_type value_type;
+        typedef typename graph_traits< Graph >::edge_descriptor key_type;
+
+        static const_map_type index_map(const Graph& g)
+        {
+            return get(edge_index, g);
+        }
+
+        static map_type index_map(Graph& g) { return get(edge_index, g); }
+
+        static value_type index(key_type k, const Graph& g)
+        {
+            return get(edge_index, g, k);
+        }
+    };
+
+    // NOTE: The Graph parameter MUST be a model of VertexIndexGraph or
+    // VertexEdgeGraph - whichever type Key is selecting.
+    template < typename Graph, typename Key > struct choose_indexer
+    {
+        typedef typename mpl::if_<
+            is_same< Key, typename graph_traits< Graph >::vertex_descriptor >,
+            vertex_indexer< Graph >, edge_indexer< Graph > >::type indexer_type;
+        typedef typename indexer_type::index_type index_type;
+    };
+}
+}
+
+#endif