factory_interface.h

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#ifndef FACTORY_INTERFACE_H
#define FACTORY_INTERFACE_H
 
#include <functional>
#include <memory>
#include <optional>
#include <string>
#include <type_traits>
#include <vector>
 
namespace mazes
{
 
    class configurator;
 
    template <typename InterfaceType>
    class factory_interface
    {
 
    public:
        using factory_creator_t = std::function<std::unique_ptr<InterfaceType>(const configurator &)>;
 
        virtual bool register_creator(const std::string &key, factory_creator_t creator) noexcept = 0;
 
        virtual bool unregister_creator(const std::string &key) noexcept = 0;
 
        virtual bool is_registered(const std::string &key) const = 0;
 
        virtual std::optional<std::unique_ptr<InterfaceType>> create(const std::string &key, const configurator &config) const noexcept = 0;
 
        virtual std::vector<std::string> get_registered_keys() const = 0;
 
        virtual void clear() noexcept = 0;
 
        virtual ~factory_interface() = default;
    };
 
    // Forward declaration for interfaces
    class grid_interface;
    class maze_interface;
 
    using grid_factory_interface = factory_interface<grid_interface>;
    using maze_factory_interface = factory_interface<maze_interface>;
 
} // namespace mazes
 
#endif // FACTORY_INTERFACE_H