GML.h

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#pragma once
 
#include <ogdf/basic/Graph.h>
#include <ogdf/basic/graphics.h>
 
#include <cstddef>
#include <string>
#include <string_view>
 
namespace ogdf {
 
namespace gml {
 
enum class ObjectType {
    IntValue,
    DoubleValue,
    StringValue,
    ListBegin,
    ListEnd,
    Key,
    Eof,
    Error,
};
 
enum class Key {
    Id,
    Label,
    Creator,
    Name,
    Graph,
    Version,
    Directed,
    Node,
    Edge,
    Graphics,
    X,
    Y,
    Z,
    W,
    H,
    Type,
    Width,
    Source,
    Target,
    Arrow,
    Outline,
    Point,
    Bends,
    Generalization,
    SubGraph,
    Fill,
    FillBg,
    Cluster,
    Root,
    Vertex,
    Color,
    Height,
    Stipple,
    Pattern,
    LineWidth,
    Template,
    Weight, // Used for node weight and edge double weight
    EdgeIntWeight,
    Unknown
};
 
 
std::string toString(const Key& attr);
std::string toString(const EdgeArrow& arrow);
std::string toString(const Graph::NodeType& type);
 
Key toKey(const std::string& str);
EdgeArrow toArrow(const std::string& str);
Graph::NodeType toNodeType(const std::string& str);
 
}
}
 
// Implement hash for gml::Key so we can use it as a key in unordered_map.
namespace std {
template<>
struct hash<ogdf::gml::Key> {
    std::size_t operator()(const ogdf::gml::Key& t) const { return size_t(t); }
};
}