| // Copyright (C) 2009 Andrew Sutton | |
| // | |
| // Use, modification and distribution is subject to 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_MUTABILITY_TRAITS_HPP | |
| #define BOOST_GRAPH_MUTABILITY_TRAITS_HPP | |
| #include <boost/config.hpp> | |
| #include <boost/mpl/if.hpp> | |
| #include <boost/mpl/and.hpp> | |
| #include <boost/mpl/bool.hpp> | |
| #include <boost/type_traits/is_same.hpp> | |
| namespace boost { | |
| // The mutabiltiy categories classify graphs by their mutating operations | |
| // on the edge and vertex sets. This is a substantially more refined | |
| // categorization than the MutableGraph and MutablePropertyGraph denote. | |
| // Currently, this framework is only used in the graph tests to help | |
| // dispatch test to the correct places. However, there are probably some | |
| // constructive or destructive algorithms (i.e., graph generators) that | |
| // may use these to describe requirements on graph inputs. | |
| struct add_vertex_tag { }; | |
| struct add_vertex_property_tag : virtual add_vertex_tag { }; | |
| struct add_edge_tag { }; | |
| struct add_edge_property_tag : virtual add_edge_tag { }; | |
| struct remove_vertex_tag { }; | |
| struct remove_edge_tag { }; | |
| struct mutable_vertex_graph_tag | |
| : virtual add_vertex_tag, virtual remove_vertex_tag | |
| { }; | |
| struct mutable_vertex_property_graph_tag | |
| : virtual add_vertex_property_tag, virtual remove_vertex_tag | |
| { }; | |
| struct mutable_edge_graph_tag | |
| : virtual add_edge_tag, virtual remove_edge_tag | |
| { }; | |
| struct mutable_edge_property_graph_tag | |
| : virtual add_edge_property_tag, virtual remove_edge_tag | |
| { }; | |
| struct mutable_graph_tag | |
| : virtual mutable_vertex_graph_tag | |
| , virtual mutable_edge_graph_tag | |
| { }; | |
| struct mutable_property_graph_tag | |
| : virtual mutable_vertex_property_graph_tag | |
| , virtual mutable_edge_property_graph_tag | |
| { }; | |
| // Some graphs just don't like to be torn down. Note this only restricts | |
| // teardown to the set of vertices, not the vertex set. | |
| // TODO: Find a better name for this tag. | |
| struct add_only_property_graph_tag | |
| : virtual add_vertex_property_tag | |
| , virtual mutable_edge_property_graph_tag | |
| { }; | |
| /** | |
| * The graph_mutability_traits provide methods for determining the | |
| * interfaces supported by graph classes for adding and removing vertices | |
| * and edges. | |
| */ | |
| template <typename Graph> | |
| struct graph_mutability_traits { | |
| typedef typename Graph::mutability_category category; | |
| }; | |
| template <typename Graph> | |
| struct graph_has_add_vertex | |
| : mpl::bool_< | |
| is_convertible< | |
| typename graph_mutability_traits<Graph>::category, | |
| add_vertex_tag | |
| >::value | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct graph_has_add_vertex_with_property | |
| : mpl::bool_< | |
| is_convertible< | |
| typename graph_mutability_traits<Graph>::category, | |
| add_vertex_property_tag | |
| >::value | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct graph_has_remove_vertex | |
| : mpl::bool_< | |
| is_convertible< | |
| typename graph_mutability_traits<Graph>::category, | |
| remove_vertex_tag | |
| >::value | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct graph_has_add_edge | |
| : mpl::bool_< | |
| is_convertible< | |
| typename graph_mutability_traits<Graph>::category, | |
| add_edge_tag | |
| >::value | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct graph_has_add_edge_with_property | |
| : mpl::bool_< | |
| is_convertible< | |
| typename graph_mutability_traits<Graph>::category, | |
| add_edge_property_tag | |
| >::value | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct graph_has_remove_edge | |
| : mpl::bool_< | |
| is_convertible< | |
| typename graph_mutability_traits<Graph>::category, | |
| remove_edge_tag | |
| >::value | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct is_mutable_vertex_graph | |
| : mpl::and_< | |
| graph_has_add_vertex<Graph>, | |
| graph_has_remove_vertex<Graph> | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct is_mutable_vertex_property_graph | |
| : mpl::and_< | |
| graph_has_add_vertex_with_property<Graph>, | |
| graph_has_remove_vertex<Graph> | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct is_mutable_edge_graph | |
| : mpl::and_< | |
| graph_has_add_edge<Graph>, | |
| graph_has_remove_edge<Graph> | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct is_mutable_edge_property_graph | |
| : mpl::and_< | |
| graph_has_add_edge_with_property<Graph>, | |
| graph_has_remove_edge<Graph> | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct is_mutable_graph | |
| : mpl::and_< | |
| is_mutable_vertex_graph<Graph>, | |
| is_mutable_edge_graph<Graph> | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct is_mutable_property_graph | |
| : mpl::and_< | |
| is_mutable_vertex_property_graph<Graph>, | |
| is_mutable_edge_property_graph<Graph> | |
| > | |
| { }; | |
| template <typename Graph> | |
| struct is_add_only_property_graph | |
| : mpl::bool_< | |
| is_convertible< | |
| typename graph_mutability_traits<Graph>::category, | |
| add_only_property_graph_tag | |
| >::value | |
| > | |
| { }; | |
| /** @name Mutability Traits Specializations */ | |
| //@{ | |
| //@} | |
| } // namespace boost | |
| #endif |