GdfParser.h

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#pragma once
 
#include <ogdf/basic/Graph.h>
#include <ogdf/basic/HashArray.h>
 
#include <cstddef>
#include <istream>
#include <string>
#include <vector>
 
namespace ogdf::gdf {
enum class EdgeAttribute;
enum class NodeAttribute;
} // namespace ogdf::gdf
 
namespace ogdf {
class GraphAttributes;
 
namespace gdf {
 
 
class Parser {
private:
    std::istream& m_istream;
    HashArray<std::string, node> m_nodeId;
    std::vector<NodeAttribute> m_nodeAttrs;
    std::vector<EdgeAttribute> m_edgeAttrs;
 
    bool readAttributes(GraphAttributes& GA, node v, const std::vector<std::string>& values);
    bool readAttributes(GraphAttributes& GA, edge e, const std::vector<std::string>& values);
 
    bool readNodeDef(const std::string& str);
    bool readEdgeDef(const std::string& str);
 
    bool readNodeStmt(Graph& G, GraphAttributes* GA, const std::string& str, size_t line);
    bool readEdgeStmt(Graph& G, GraphAttributes* GA, const std::string& str, size_t line);
 
    bool readGraph(Graph& G, GraphAttributes* GA);
 
public:
    explicit Parser(std::istream& is);
 
    bool read(Graph& G) { return readGraph(G, nullptr); }
 
    bool read(Graph& G, GraphAttributes& GA) { return readGraph(G, &GA); }
};
 
}
}