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/*
* Copyright 2014 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FRUIT_PROVIDER_DEFN_H
#define FRUIT_PROVIDER_DEFN_H
#include <fruit/impl/injector/injector_storage.h>
// Redundant, but makes KDevelop happy.
#include <fruit/provider.h>
namespace fruit {
template <typename C>
inline Provider<C>::Provider(fruit::impl::InjectorStorage* storage,
fruit::impl::InjectorStorage::Graph::node_iterator itr)
: storage(storage), itr(itr) {}
template <typename C>
inline C* Provider<C>::get() {
return get<C*>();
}
namespace impl {
namespace meta {
template <typename C>
struct ProviderImplHelper {
template <typename T>
using CheckGet = Eval<PropagateError(
CheckInjectableType(RemoveAnnotations(Type<T>)),
If(Not(IsSame(GetClassForType(Type<T>), RemoveConstFromType(Type<C>))),
ConstructError(Id<TypeNotProvidedErrorTag>, Type<T>),
If(And(TypeInjectionRequiresNonConstBinding(Type<T>), Not(IsSame(Id<GetClassForType(Type<T>)>, Type<C>))),
ConstructError(TypeProvidedAsConstOnlyErrorTag, Type<T>), None)))>;
};
} // namespace meta
} // namespace impl
template <typename C>
template <typename T>
inline T Provider<C>::get() {
using E = typename fruit::impl::meta::ProviderImplHelper<C>::template CheckGet<T>;
(void)typename fruit::impl::meta::CheckIfError<E>::type();
return storage->template get<T>(itr);
}
template <typename C>
template <typename T>
inline Provider<C>::operator T() {
return get<T>();
}
} // namespace fruit
#endif // FRUIT_PROVIDER_DEFN_H