125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
// Copyright 2004-9 Trustees of Indiana University
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// Distributed under the Boost Software License, Version 1.0.
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// (See 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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// read_graphviz_new.hpp -
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// Initialize a model of the BGL's MutableGraph concept and an associated
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// collection of property maps using a graph expressed in the GraphViz
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// DOT Language.
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//
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// Based on the grammar found at:
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// https://web.archive.org/web/20041213234742/http://www.graphviz.org/cvs/doc/info/lang.html
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//
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// Jeremiah rewrite used grammar found at:
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// http://www.graphviz.org/doc/info/lang.html
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// and page 34 or http://www.graphviz.org/pdf/dotguide.pdf
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//
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// See documentation for this code at:
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// http://www.boost.org/libs/graph/doc/read_graphviz.html
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//
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// Author: Jeremiah Willcock
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// Ronald Garcia
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//
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#ifndef BOOST_READ_GRAPHVIZ_NEW_HPP
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#define BOOST_READ_GRAPHVIZ_NEW_HPP
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#include <boost/ref.hpp>
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#include <boost/property_map/dynamic_property_map.hpp>
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#include <boost/graph/graph_traits.hpp>
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#include <boost/detail/workaround.hpp>
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#include <algorithm>
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#include <string>
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#include <vector>
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#include <set>
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#include <utility>
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#include <map>
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#include <iostream>
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#include <cstdlib>
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namespace boost
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{
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namespace read_graphviz_detail
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{
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typedef std::string node_name;
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typedef std::string subgraph_name;
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typedef std::map< std::string, std::string > properties;
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struct node_and_port
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{
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node_name name;
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std::string angle; // Or empty if no angle
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std::vector< std::string > location; // Up to two identifiers
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friend inline bool operator==(
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const node_and_port& a, const node_and_port& b)
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{
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return a.name == b.name && a.angle == b.angle
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&& a.location == b.location;
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}
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friend inline bool operator<(
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const node_and_port& a, const node_and_port& b)
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{
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if (a.name != b.name)
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return a.name < b.name;
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if (a.angle != b.angle)
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return a.angle < b.angle;
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return a.location < b.location;
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}
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};
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struct edge_info
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{
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node_and_port source;
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node_and_port target;
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properties props;
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};
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struct parser_result
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{
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bool graph_is_directed;
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bool graph_is_strict;
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std::map< node_name, properties > nodes; // Global set
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std::vector< edge_info > edges;
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std::map< subgraph_name, properties > graph_props; // Root and subgraphs
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};
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// The actual parser, from libs/graph/src/read_graphviz_new.cpp
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void parse_graphviz_from_string(
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const std::string& str, parser_result& result, bool want_directed);
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// Translate from those results to a graph
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void translate_results_to_graph(
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const parser_result& r, ::boost::detail::graph::mutate_graph* mg);
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} // namespace read_graphviz_detail
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namespace detail
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{
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namespace graph
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{
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BOOST_GRAPH_DECL bool read_graphviz_new(
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const std::string& str, boost::detail::graph::mutate_graph* mg);
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} // end namespace graph
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} // end namespace detail
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template < typename MutableGraph >
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bool read_graphviz_new(const std::string& str, MutableGraph& graph,
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boost::dynamic_properties& dp, std::string const& node_id = "node_id")
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{
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boost::detail::graph::mutate_graph_impl< MutableGraph > mg(
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graph, dp, node_id);
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return detail::graph::read_graphviz_new(str, &mg);
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}
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} // namespace boost
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#endif // BOOST_READ_GRAPHVIZ_NEW_HPP
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