Sauce-0.10.1
A C++ Dependency Injection Framework
implicit_provider_binding.h
1#ifndef SAUCE_INTERNAL_IMPLICIT_PROVIDER_BINDING_H_
2#define SAUCE_INTERNAL_IMPLICIT_PROVIDER_BINDING_H_
3
4#include <cassert>
5
6#include <sauce/injector.h>
7#include <sauce/memory.h>
8#include <sauce/named.h>
9#include <sauce/internal/resolved_binding.h>
10#include <sauce/internal/binding.h>
11#include <sauce/internal/key.h>
12
13namespace sauce {
14namespace internal {
15
16template<typename Dependency, typename Name>
17class ImplicitProviderBinding;
18
22template<typename Dependency, typename Name>
23class ImplicitProvider: public Provider<Dependency> {
24 typedef typename Key<Dependency>::Normalized Normalized;
25 typedef typename ResolvedBinding<Normalized>::BindingPtr BindingPtr;
26
27 BindingPtr binding;
28 InjectorPtr injector;
29
30 friend class ImplicitProviderBinding<Dependency, Name>;
31
32 ImplicitProvider(BindingPtr binding, InjectorPtr injector):
34 binding(binding),
35 injector(injector) {}
36
37public:
38
40 typename Key<Dependency>::Ptr injected;
41 binding->get(injected, binding, injector);
42 return injected;
43 }
44};
45
49template<typename Dependency, typename Name>
50class ImplicitProviderBinding: public Binding<Named<Provider<Dependency>, Name>, NoScope> {
51
52 typedef typename Key<Dependency>::Normalized Normalized;
53 typedef typename ResolvedBinding<Normalized>::BindingPtr ProvidedBindingPtr;
55 typedef typename Key<ProviderDependency>::Ptr ProviderPtr;
56
57 ProvidedBindingPtr providedBinding;
58
59 void validateAcyclic(InjectorPtr, TypeIds &) const {}
60
61public:
62
63 typedef typename ResolvedBinding<ProviderDependency>::BindingPtr BindingPtr;
64
65 ImplicitProviderBinding(ProvidedBindingPtr providedBinding):
67 providedBinding(providedBinding) {}
68
69 void inject(ProviderPtr & injected, BindingPtr, InjectorPtr injector) const {
70 injected.reset(new ImplicitProvider<Dependency, Name>(providedBinding, injector));
71 }
72};
73
74}
75
76namespace i = ::sauce::internal;
77
78}
79
80#endif // SAUCE_INTERNAL_IMPLICIT_PROVIDER_BINDING_H_
Wrap dependency requests with Named to choose one of several (statically) named alternatives.
Definition: named.h:12
The scope of unscoped bindings.
Definition: scopes.h:11
An interface for including custom factories in an Injector.
Definition: provider.h:21
The base class of all actual binding implementations.
Definition: binding.h:22
An injection that provides Providers for an already-bound dependency.
Definition: implicit_provider_binding.h:50
A Provider for an explicitly-bound Dependency.
Definition: implicit_provider_binding.h:23
Key< Dependency >::Ptr get()
Provide an Iface.
Definition: implicit_provider_binding.h:39
A complete specification of a dependency request.
Definition: key.h:15
A binding for an acknowledged interface.
Definition: resolved_binding.h:20