queryable_type.hpp

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#ifndef ECSTASY_REGISTRY_CONCEPTS_QUERYABLETYPE_HPP_
#define ECSTASY_REGISTRY_CONCEPTS_QUERYABLETYPE_HPP_
 
#include "ecstasy/query/concepts/Modifier.hpp"
#include "ecstasy/query/concepts/Queryable.hpp"
#include "ecstasy/registry/concepts/RegistryModifier.hpp"
#include "ecstasy/resources/IResource.hpp"
#include "ecstasy/storages/StorageConcepts.hpp"
 
namespace ecstasy
{
    template <typename C>
    struct queryable_type {
        using type = getStorageType<C>;
    };
 
    template <query::Queryable Q>
        requires query::ConstQueryableObject<Q>
    struct queryable_type<const Q> {
        using type = const typename queryable_type<Q>::type;
    };
 
    template <std::derived_from<IResource> R>
        requires query::Queryable<R>
    struct queryable_type<R> {
        using type = R;
    };
 
    template <IsStorage S>
        requires query::Queryable<S>
    struct queryable_type<S> {
        using type = S;
    };
 
    template <ecstasy::query::Modifier M>
    struct queryable_type<M> {
        using type = M;
    };
 
    template <RegistryModifier M>
    struct queryable_type<M> {
        using type = typename M::Modifier;
    };
 
    template <typename C>
    using queryable_type_t = typename queryable_type<C>::type;
} // namespace ecstasy
 
#endif /* !ECSTASY_REGISTRY_CONCEPTS_QUERYABLETYPE_HPP_ */