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#include <geogram/basic/factory.h>
#include <geogram/basic/smart_pointer.h>

namespace {

    using namespace GEO;

    typedef SmartPointer<InstanceRepo::Instance> Instance_var;

    typedef std::map<std::string, Instance_var> Registry;

    Registry& get_registry() {
        static Registry r;
        return r;
    }
}

namespace GEO {

    void InstanceRepo::add(const std::string& name, Instance* instance) {
        Registry& r = get_registry();
        r[name] = instance;
    }

    InstanceRepo::Instance* InstanceRepo::get(const std::string& name) {
        const Registry& r = get_registry();
        auto i = r.find(name);
        return i == r.end() ? nullptr : i->second.get();
    }
}
