#ifndef CLASS_HASH_HPP_
#define CLASS_HASH_HPP_

#include <string>
#include <map>

template<typename T_base, typename T_key = std::string>
class class_hash {
    public:
        template<typename T_sub>
        static void Register(const T_key& key){
            Get().Classes[key] = []() -> T_base* {return new T_sub;};
        }

        static T_base* Create(const T_key& key){
            return Get().Classes[key]();
        }

    protected:

        static class_hash& Get(){
            static class_hash Manager;
            return Manager;
        }

        class_hash(){}

        std::map<T_key, T_base*(*)()> Classes;

};

#endif /* CLASS_HASH_HPP_ */