EnumSelection.h

// Copyright 2024, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
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#pragma once
 
#include "neml2/base/EnumSelectionBase.h"
 
namespace neml2
{
// Forward decl
class EnumSelection;
std::ostream & operator<<(std::ostream &, const EnumSelection &);
std::stringstream & operator>>(std::stringstream &, EnumSelection &);

class EnumSelection : public EnumSelectionBase
{
public:
  EnumSelection() = default;

  EnumSelection(const std::vector<std::string> & candidates, const std::string & selection);

  EnumSelection(const std::vector<std::string> & candidates,
                const std::vector<int> & values,
                const std::string & selection);

  void select(const std::string & selection);

  bool operator==(const EnumSelection & other) const;

  bool operator!=(const EnumSelection & other) const;

  bool operator==(const std::string & other) const;

  bool operator!=(const std::string & other) const;

  operator std::string() const { return _selection; }

  operator int() const { return _value; }

  template <typename T>
  T as() const
  {
    return static_cast<T>(_value);
  }
  T as() const {…}
 
private:
  std::string _selection = "";

  int _value = 0;
};
class EnumSelection : public EnumSelectionBase {…};
} // namespace neml2