registry.cpp

#include "registry.h"


template<typename Type>
void Registry::registerType(){
    registry[Type::name] = [](){return std::unique_ptr<RegistryType>(new Type);};
};


std::unique_ptr<RegistryType> Registry::create(const std::string &name){
    auto it = registry.find(name);
    if(it != registry.end()){
        return it->second();
    } else {
        return std::unique_ptr<RegistryType>();
    }
};

registry.h

#ifndef REGISTRY_H
#define REGISTRY_H


#include "unordered_map"
#include "memory"
#include "registry.h"


class RegistryType {
    public:
        const char* name;
};


class Registry {
    public:
        std::unordered_map<std::string, std::unique_ptr<RegistryType>(*)()> registry;

        template<typename Type>
        void registerType();

        std::unique_ptr<RegistryType> create(const std::string &name);

        Registry();
};


#endif