lib/selrestr.h


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#ifndef SELRESTR_H_50652FB7
#define SELRESTR_H_50652FB7

#include <list>
#include <string>
#include "../vendor/json/json.hpp"

namespace verbly {

  class selrestr {
  public:
    enum class type {
      empty,
      singleton,
      group
    };

    // Construct from json

    explicit selrestr(nlohmann::json json);

    // Copy and move constructors

    selrestr(const selrestr& other);
    selrestr(selrestr&& other);

    // Assignment

    selrestr& operator=(selrestr other);

    // Swap

    friend void swap(selrestr& first, selrestr& second);

    // Destructor

    ~selrestr();

    // Generic accessors

    type getType() const
    {
      return type_;
    }

    // Empty

    selrestr();

    // Singleton

    selrestr(std::string restriction, bool pos);

    std::string getRestriction() const;

    bool getPos() const;

    // Group

    selrestr(std::list<selrestr> children, bool orlogic);

    std::list<selrestr> getChildren() const;

    std::list<selrestr>::const_iterator begin() const;

    std::list<selrestr>::const_iterator end() const;

    bool getOrlogic() const;

    // Helpers

    nlohmann::json toJson() const;

  private:
    union {
      struct {
        bool pos;
        std::string restriction;
      } singleton_;
      struct {
        std::list<selrestr> children;
        bool orlogic;
      } group_;
    };
    type type_;
  };

};

#endif /* end of include guard: SELRESTR_H_50652FB7 */