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#pragma once
#include <string>
#include <map>
#include "Node.h"
using std::string;
using NodeFactoryMap = std::map<string, const Node *>;
class NodeFactory {
public:
NodeFactory() = default;
virtual ~NodeFactory() = default;
public:
//! check if there is a node with type \p type
static bool has_type(const char * type);
//! check if there is a node with type \p type
static bool has_type(string type);
//! create a node with type \p type
static Node * create(string type);
private:
//! register a node with a type into the factory map
static void assign(const char * type, const Node * node);
//! retrieve the factory map
static NodeFactoryMap & get_map();
//! convert the type string for case insensitive matching
static string normalize_type(string type);
//! find a Node prototype by \p type
static const Node * find_type(string type);
private:
friend Node;
};
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