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From: asutton_at_[hidden]
Date: 2007-08-11 11:44:26


Author: asutton
Date: 2007-08-11 11:44:26 EDT (Sat, 11 Aug 2007)
New Revision: 38597
URL: http://svn.boost.org/trac/boost/changeset/38597

Log:
Adding output helper file

Added:
   sandbox/SOC/2007/graphs/libs/graph/test/io.hpp (contents, props changed)

Added: sandbox/SOC/2007/graphs/libs/graph/test/io.hpp
==============================================================================
--- (empty file)
+++ sandbox/SOC/2007/graphs/libs/graph/test/io.hpp 2007-08-11 11:44:26 EDT (Sat, 11 Aug 2007)
@@ -0,0 +1,152 @@
+// (C) Copyright Andrew Sutton 2007
+//
+// 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)
+
+#include <iostream>
+
+#include <boost/graph/properties.hpp>
+
+template <typename V, typename G>
+struct vertex_printer
+{
+ vertex_printer(V v, const G& g) : vert(v), graph(g) { }
+ V vert;
+ const G& graph;
+};
+
+template <typename V, typename G>
+inline vertex_printer<V,G> print_vertex(V v, const G& g)
+{ return vertex_printer<V,G>(v, g); }
+
+template <typename V, typename G>
+inline std::ostream& operator << (std::ostream& os, const vertex_printer<V, G>& vp)
+{
+ os << boost::get(boost::vertex_index, vp.graph, vp.vert);
+ return os;
+}
+
+template <typename E, typename G>
+struct edge_printer
+{
+ edge_printer(E e, const G& g) : edge(e), graph(g) { }
+ E edge;
+ const G& graph;
+};
+
+template <typename E, typename G>
+inline edge_printer<E,G> print_edge(E e, const G& g)
+{ return edge_printer<E,G>(e, g); }
+
+template <typename E, typename G>
+inline std::ostream& operator <<(std::ostream& os, const edge_printer<E,G>& ep)
+{
+ os << "(" << print_vertex(source(ep.edge, ep.graph), ep.graph) << ","
+ << print_vertex(target(ep.edge, ep.graph), ep.graph) << ")";
+ return os;
+}
+
+template <typename P, typename G>
+struct path_printer
+{
+ path_printer(const P& p, const G& g) : path(p), graph(g) { }
+ P path;
+ const G& graph;
+};
+
+template <typename P, typename G>
+inline path_printer<P,G> print_path(const P& p, const G& g)
+{ return path_printer<P,G>(p, g); }
+
+template <typename P, typename G>
+inline std::ostream& operator <<(std::ostream& os, const path_printer<P,G>& pp)
+{
+ typename P::const_iterator i, end = pp.path.end();
+ for(i = pp.path.begin(); i != end; ++i) {
+ os << print_vertex(*i, pp.graph) << " ";
+ }
+ return os;
+}
+
+template <typename M, typename G>
+struct vertex_map_printer
+{
+ vertex_map_printer(M m, const G& g) : map(m), graph(g) { }
+ M map;
+ const G& graph;
+};
+
+template <typename M, typename G>
+inline vertex_map_printer<M,G>
+print_vertex_map(const M& m, const G& g)
+{ return vertex_map_printer<M,G>(m, g); }
+
+template <typename M, typename G>
+inline std::ostream&
+operator <<(std::ostream& os, const vertex_map_printer<M,G>& mp)
+{
+ typename boost::graph_traits<G>::vertex_iterator i, end;
+ os << "{\n";
+ for(tie(i, end) = boost::vertices(mp.graph); i != end; ++i) {
+ os << print_vertex(*i, mp.graph) << ": " << mp.map[*i] << "\n";
+ }
+ os << "}\n";
+ return os;
+}
+
+template <typename M, typename G>
+struct edge_map_printer
+{
+ edge_map_printer(M m, const G& g) : map(m), graph(g) { }
+ M map;
+ const G& graph;
+};
+
+template <typename M, typename G>
+inline edge_map_printer<M,G>
+print_edge_map(const M& m, const G& g)
+{ return edge_map_printer<M,G>(m, g); }
+
+template <typename M, typename G>
+inline std::ostream&
+operator <<(std::ostream& os, const edge_map_printer<M,G>& mp)
+{
+ typename boost::graph_traits<G>::edge_iterator i, end;
+ os << "{\n";
+ for(tie(i, end) = boost::edges(mp.graph); i != end; ++i) {
+ os << print_edge(*i, mp.graph) << mp.map[*i] << "\n";
+ }
+ os << "}\n";
+ return os;
+}
+
+template <typename M, typename G>
+struct vertex_matrix_printer
+{
+ vertex_matrix_printer(const M& m, const G& g) : matrix(m), graph(g) { }
+ const M& matrix;
+ const G& graph;
+};
+
+template <typename M, typename G>
+inline vertex_matrix_printer<M,G>
+print_vertex_matrix(const M& m, const G& g)
+{ return vertex_matrix_printer<M,G>(m, g); }
+
+template <typename M, typename G>
+inline std::ostream&
+operator <<(std::ostream& os, const vertex_matrix_printer<M,G>& mp)
+{
+ typename boost::graph_traits<G>::vertex_iterator i, j, end;
+ os << "{\n";
+ for(tie(i, end) = boost::vertices(mp.graph); i != end; ++i) {
+ os << "{ ";
+ for(j = boost::vertices(mp.graph).first; j != end; ++j) {
+ os << mp.matrix[*i][*j] << " ";
+ }
+ os << "}\n";
+ }
+ os << "}\n";
+ return os;
+}


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