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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2018 Leo Tenenbaum
// This file is part of GraphColoring.
//
// GraphColoring is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GraphColoring is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with GraphColoring. If not, see <https://www.gnu.org/licenses/>.
////////////////////////////////////////////////////////////////////////////////
#ifndef GRAPHCOLORING_LEVELS_GRAPHLOADER_H_
#define GRAPHCOLORING_LEVELS_GRAPHLOADER_H_
#include <memory>
#include "../graphs/graph.hpp"
#include "pugi/pugixml.hpp"
#include "colorloader.hpp"
#include "globalloader.hpp"
namespace graphcoloring {
class GraphLoader {
public:
GraphLoader(const ColorLoader& color_loader,
const GlobalLoader& global_loader);
virtual ~GraphLoader() {}
// Load document into graph
void LoadDocument(const pugi::xml_document& document, Graph& graph);
// Returns id of vertex, or -1 if there is no vertex with that name.
int GetVertexByName(const std::string& name) const;
int GetEdgeByName(const std::string& name) const;
void WriteGraph(const Graph& graph, pugi::xml_node& node) const;
std::map<std::string, int> vertex_ids;
std::map<std::string, int> edge_ids;
private:
bool IsVertexProtected(std::string protections, char protection) const;
bool IsEdgeProtected(std::string protections, char protection) const;
void ReadVertex(pugi::xml_node vertex_node, Graph& graph);
void ReadEdge(pugi::xml_node edge_node, Graph& graph);
void WriteVertex(const Vertex& vertex, pugi::xml_node& node) const;
void WriteEdge(const Edge& edge, pugi::xml_node& node) const;
const ColorLoader& color_loader;
const GlobalLoader& global_loader;
};
} // namespace graphcoloring
#endif // GRAPHCOLORING_LEVELS_GRAPHLOADER_H_
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