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