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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_COMPONENT_DEFN_H
#define FRUIT_COMPONENT_DEFN_H
#include <fruit/component.h>
#include <fruit/impl/component_storage/component_storage.h>
#include <fruit/impl/injection_errors.h>
#include <fruit/impl/component_install_arg_checks.h>
#include <memory>
namespace fruit {
namespace impl {
namespace meta {
// This is a helper class used in the implementation of Component and PartialComponent.
// It's in fruit::impl::meta so that we don't need to qualify everything with fruit::impl::meta.
template <typename... PreviousBindings>
struct OpForComponent {
template <typename Comp>
using ConvertTo = Eval<Call(ReverseComposeFunctors(Id<ComponentFunctor(ConvertComponent, Comp)>,
ProcessDeferredBindings, Id<ProcessBinding(PreviousBindings)>...),
ConstructComponentImpl())>;
template <typename Binding>
using AddBinding =
Eval<Call(ReverseComposeFunctors(Id<ProcessBinding(Binding)>, Id<ProcessBinding(PreviousBindings)>...),
ConstructComponentImpl())>;
};
} // namespace meta
} // namespace impl
template <typename... Params>
template <typename... Bindings>
inline Component<Params...>::Component(PartialComponent<Bindings...>&& partial_component) noexcept : storage() {
(void)typename fruit::impl::meta::CheckIfError<Comp>::type();
using Op = typename fruit::impl::meta::OpForComponent<Bindings...>::template ConvertTo<Comp>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
#if !FRUIT_NO_LOOP_CHECK
(void)typename fruit::impl::meta::CheckIfError<
fruit::impl::meta::Eval<fruit::impl::meta::CheckNoLoopInDeps(typename Op::Result)>>::type();
#endif // !FRUIT_NO_LOOP_CHECK
std::size_t num_entries = partial_component.storage.numBindings() + Op().numEntries();
fruit::impl::FixedSizeVector<fruit::impl::ComponentStorageEntry> entries(num_entries);
Op()(entries);
// addBindings may modify the storage member of PartialComponent.
// Therefore, it should not be used after this operation.
partial_component.storage.addBindings(entries);
// TODO: re-enable this check somehow.
// component.component.already_converted_to_component = true;
FruitAssert(entries.size() == num_entries);
storage = fruit::impl::ComponentStorage(std::move(entries));
}
inline PartialComponent<> createComponent() {
return {{}};
}
template <typename... Bindings>
template <typename AnnotatedI, typename AnnotatedC>
inline PartialComponent<fruit::impl::Bind<AnnotatedI, AnnotatedC>, Bindings...> PartialComponent<Bindings...>::bind() {
using Op = OpFor<fruit::impl::Bind<AnnotatedI, AnnotatedC>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
template <typename AnnotatedSignature>
inline PartialComponent<fruit::impl::RegisterConstructor<AnnotatedSignature>, Bindings...>
PartialComponent<Bindings...>::registerConstructor() {
using Op = OpFor<fruit::impl::RegisterConstructor<AnnotatedSignature>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
template <typename C>
inline PartialComponent<fruit::impl::BindInstance<C, C>, Bindings...>
PartialComponent<Bindings...>::bindInstance(C& instance) {
using Op = OpFor<fruit::impl::BindInstance<C, C>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instance}};
}
template <typename... Bindings>
template <typename C>
inline PartialComponent<fruit::impl::BindConstInstance<C, C>, Bindings...>
PartialComponent<Bindings...>::bindInstance(const C& instance) {
using Op = OpFor<fruit::impl::BindConstInstance<C, C>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instance}};
}
template <typename... Bindings>
template <typename AnnotatedC, typename C>
inline PartialComponent<fruit::impl::BindInstance<AnnotatedC, C>, Bindings...>
PartialComponent<Bindings...>::bindInstance(C& instance) {
using Op = OpFor<fruit::impl::BindInstance<AnnotatedC, C>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instance}};
}
template <typename... Bindings>
template <typename AnnotatedC, typename C>
inline PartialComponent<fruit::impl::BindConstInstance<AnnotatedC, C>, Bindings...>
PartialComponent<Bindings...>::bindInstance(const C& instance) {
using Op = OpFor<fruit::impl::BindConstInstance<AnnotatedC, C>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instance}};
}
template <typename... Bindings>
template <typename Lambda>
inline PartialComponent<fruit::impl::RegisterProvider<Lambda>, Bindings...>
PartialComponent<Bindings...>::registerProvider(Lambda) {
using Op = OpFor<fruit::impl::RegisterProvider<Lambda>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
template <typename AnnotatedSignature, typename Lambda>
inline PartialComponent<fruit::impl::RegisterProvider<AnnotatedSignature, Lambda>, Bindings...>
PartialComponent<Bindings...>::registerProvider(Lambda) {
using Op = OpFor<fruit::impl::RegisterProvider<AnnotatedSignature, Lambda>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
template <typename AnnotatedI, typename AnnotatedC>
inline PartialComponent<fruit::impl::AddMultibinding<AnnotatedI, AnnotatedC>, Bindings...>
PartialComponent<Bindings...>::addMultibinding() {
using Op = OpFor<fruit::impl::AddMultibinding<AnnotatedI, AnnotatedC>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
template <typename C>
inline PartialComponent<fruit::impl::AddInstanceMultibinding<C>, Bindings...>
PartialComponent<Bindings...>::addInstanceMultibinding(C& instance) {
using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instance}};
}
template <typename... Bindings>
template <typename AnnotatedC, typename C>
inline PartialComponent<fruit::impl::AddInstanceMultibinding<AnnotatedC>, Bindings...>
PartialComponent<Bindings...>::addInstanceMultibinding(C& instance) {
using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instance}};
}
template <typename... Bindings>
template <typename C>
inline PartialComponent<fruit::impl::AddInstanceVectorMultibindings<C>, Bindings...>
PartialComponent<Bindings...>::addInstanceMultibindings(std::vector<C>& instances) {
using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instances}};
}
template <typename... Bindings>
template <typename AnnotatedC, typename C>
inline PartialComponent<fruit::impl::AddInstanceVectorMultibindings<AnnotatedC>, Bindings...>
PartialComponent<Bindings...>::addInstanceMultibindings(std::vector<C>& instances) {
using Op = fruit::impl::meta::Eval<fruit::impl::meta::CheckNormalizedTypes(
fruit::impl::meta::Vector<fruit::impl::meta::Type<C>>)>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage, instances}};
}
template <typename... Bindings>
template <typename Lambda>
inline PartialComponent<fruit::impl::AddMultibindingProvider<Lambda>, Bindings...>
PartialComponent<Bindings...>::addMultibindingProvider(Lambda) {
using Op = OpFor<fruit::impl::AddMultibindingProvider<Lambda>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
template <typename AnnotatedSignature, typename Lambda>
inline PartialComponent<fruit::impl::AddMultibindingProvider<AnnotatedSignature, Lambda>, Bindings...>
PartialComponent<Bindings...>::addMultibindingProvider(Lambda) {
using Op = OpFor<fruit::impl::AddMultibindingProvider<AnnotatedSignature, Lambda>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
template <typename DecoratedSignature, typename Lambda>
inline PartialComponent<fruit::impl::RegisterFactory<DecoratedSignature, Lambda>, Bindings...>
PartialComponent<Bindings...>::registerFactory(Lambda) {
using Op = OpFor<fruit::impl::RegisterFactory<DecoratedSignature, Lambda>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
return {{storage}};
}
template <typename... Bindings>
inline PartialComponent<Bindings...>::PartialComponent(fruit::impl::PartialComponentStorage<Bindings...> storage)
: storage(std::move(storage)) {}
template <typename... Bindings>
template <typename... OtherComponentParams, typename... FormalArgs, typename... Args>
inline PartialComponent<fruit::impl::InstallComponent<fruit::Component<OtherComponentParams...>(FormalArgs...)>,
Bindings...>
PartialComponent<Bindings...>::install(fruit::Component<OtherComponentParams...> (*getComponent)(FormalArgs...),
Args&&... args) {
using IntCollector = int[];
(void)IntCollector{0, fruit::impl::checkAcceptableComponentInstallArg<FormalArgs>()...};
using Op = OpFor<fruit::impl::InstallComponent<fruit::Component<OtherComponentParams...>(FormalArgs...)>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
std::tuple<FormalArgs...> args_tuple{std::forward<Args>(args)...};
return {{storage, getComponent, std::move(args_tuple)}};
}
template <typename... Bindings>
template <typename... ComponentFunctions>
inline PartialComponent<fruit::impl::InstallComponentFunctions<ComponentFunctions...>, Bindings...>
PartialComponent<Bindings...>::installComponentFunctions(ComponentFunctions... componentFunctions) {
using Op = OpFor<fruit::impl::InstallComponentFunctions<ComponentFunctions...>>;
(void)typename fruit::impl::meta::CheckIfError<Op>::type();
std::tuple<ComponentFunctions...> component_functions_tuple{std::move(componentFunctions)...};
return {{storage, std::move(component_functions_tuple)}};
}
template <typename... Bindings>
template <typename... OtherComponentParams, typename... FormalArgs, typename... Args>
inline typename PartialComponent<Bindings...>::template PartialComponentWithReplacementInProgress<
fruit::Component<OtherComponentParams...>, FormalArgs...>
PartialComponent<Bindings...>::replace(fruit::Component<OtherComponentParams...> (*getReplacedComponent)(FormalArgs...),
Args&&... args) {
using IntCollector = int[];
(void)IntCollector{0, fruit::impl::checkAcceptableComponentInstallArg<FormalArgs>()...};
std::tuple<FormalArgs...> args_tuple{std::forward<Args>(args)...};
return {{storage, getReplacedComponent, std::move(args_tuple)}};
}
template <typename... Bindings>
template <typename OtherComponent, typename... GetReplacedComponentFormalArgs>
template <typename... GetReplacementComponentFormalArgs, typename... Args>
inline PartialComponent<fruit::impl::ReplaceComponent<OtherComponent(GetReplacedComponentFormalArgs...),
OtherComponent(GetReplacementComponentFormalArgs...)>,
Bindings...>
PartialComponent<Bindings...>::
PartialComponentWithReplacementInProgress<OtherComponent, GetReplacedComponentFormalArgs...>::with(
OtherComponent (*getReplacementComponent)(GetReplacementComponentFormalArgs...), Args&&... args) {
using IntCollector = int[];
(void)IntCollector{0, fruit::impl::checkAcceptableComponentInstallArg<GetReplacementComponentFormalArgs>()...};
std::tuple<GetReplacementComponentFormalArgs...> args_tuple{std::forward<Args>(args)...};
return {{storage, getReplacementComponent, std::move(args_tuple)}};
}
} // namespace fruit
#endif // FRUIT_COMPONENT_DEFN_H