// Helper class to do a lookup of a tag/entity/event to its Atom and convert

// atom to string.

#ifndef CPP_HTMLPARSER_ATOMUTIL_H_

#define CPP_HTMLPARSER_ATOMUTIL_H_

#include <string>

#include "cpp/htmlparser/atom.h"

namespace htmlparser {

class AtomUtil {

 public:

  static Atom ToAtom(const std::string& s);

  // Returns the string representation (tag name) of the atom.

  // If the atom is unknown, returns the optional unknown_tag_name which

  // defaults to empty (no tagname).

  static std::string ToString(Atom a, std::string_view unknown_tag_name = "");

 private:

  inline static std::string ToString(uint32_t atom_as_int) {

    return ToString(static_cast<Atom>(atom_as_int));

  }

  inline static Atom CastToAtom(uint32_t atom_as_int) {

    return static_cast<Atom>(atom_as_int);

  }

  // No instances of this class.

  AtomUtil() = delete;

};

}  // namespace htmlparser

#endif  // CPP_HTMLPARSER_ATOMUTIL_H_