public LookupInProgressAdder(DiContainer container, Type concreteType)
{
if (DiContainer.LookupsInProgress.Contains(concreteType))
{
throw new ZenjectResolveException(
"Circular dependency detected! \nObject graph:\n" + DiContainer.GetCurrentObjectGraph());
}
DiContainer.LookupsInProgress.Push(concreteType);
_concreteType = concreteType;
}
object ResolveFromType(
ResolveContext context, object injectable, InjectableInfo injectInfo)
{
if (_container.HasBinding(injectInfo.ContractType, context))
{
return(_container.Resolve(injectInfo.ContractType, context));
}
// If it's a list it might map to a collection
if (ReflectionUtil.IsGenericList(injectInfo.ContractType))
{
var subType = injectInfo.ContractType.GetGenericArguments().Single();
return(_container.ResolveMany(subType, context, injectInfo.Optional));
}
if (!injectInfo.Optional)
{
throw new ZenjectResolveException(
"Unable to find field with type '{0}' when injecting dependencies into '{1}'. \nObject graph:\n {2}"
.With(injectInfo.ContractType, injectable, _container.GetCurrentObjectGraph()));
}
return(null);
}
public static IEnumerable <ZenjectResolveException> ValidateContract(
DiContainer container, Type contractType, InjectContext context)
{
var matches = container.GetProviderMatches(contractType, context);
if (matches.Count == 1)
{
foreach (var error in matches.Single().ValidateBinding(contractType, context))
{
yield return(error);
}
}
else
{
if (ReflectionUtil.IsGenericList(contractType))
{
var subType = contractType.GetGenericArguments().Single();
matches = container.GetProviderMatches(subType, context);
if (matches.IsEmpty())
{
if (!context.Optional)
{
if (container.FallbackProvider != null)
{
foreach (var error in container.FallbackProvider.ValidateBinding(contractType, context))
{
yield return(error);
}
}
else
{
yield return(new ZenjectResolveException(
"Could not find dependency with type 'List<{0}>'{1}. If the empty list is also valid, you can allow this by using the [InjectOptional] attribute.' \nObject graph:\n{2}"
.With(
subType.Name(),
(context.EnclosingType == null ? "" : " when injecting into '{0}'".With(context.EnclosingType.Name())),
DiContainer.GetCurrentObjectGraph())));
}
}
}
else
{
foreach (var match in matches)
{
foreach (var error in match.ValidateBinding(contractType, context))
{
yield return(error);
}
}
}
}
else
{
if (!context.Optional)
{
if (matches.IsEmpty())
{
if (container.FallbackProvider != null)
{
foreach (var error in container.FallbackProvider.ValidateBinding(contractType, context))
{
yield return(error);
}
}
else
{
yield return(new ZenjectResolveException(
"Could not find required dependency with type '{0}'{1} \nObject graph:\n{2}"
.With(
contractType.Name(),
(context.EnclosingType == null ? "" : " when injecting into '{0}'".With(context.EnclosingType.Name())),
DiContainer.GetCurrentObjectGraph())));
}
}
else
{
yield return(new ZenjectResolveException(
"Found multiple matches when only one was expected for dependency with type '{0}'{1} \nObject graph:\n{2}"
.With(
contractType.Name(),
(context.EnclosingType == null ? "" : " when injecting into '{0}'".With(context.EnclosingType.Name())),
DiContainer.GetCurrentObjectGraph())));
}
}
}
}
}
public static IEnumerable <ZenjectResolveException> ValidateObjectGraph(
DiContainer container, Type concreteType, params Type[] extras)
{
using (container.PushLookup(concreteType))
{
var typeInfo = TypeAnalyzer.GetInfo(concreteType);
var extrasList = extras.ToList();
foreach (var dependInfo in typeInfo.AllInjectables)
{
Assert.IsEqual(dependInfo.EnclosingType, concreteType);
if (TryTakingFromExtras(dependInfo.ContractType, extrasList))
{
continue;
}
var context = new InjectContext(
dependInfo, DiContainer.LookupsInProgress.ToList(), null);
foreach (var error in ValidateContract(
container, dependInfo.ContractType, context))
{
yield return(error);
}
}
if (!extrasList.IsEmpty())
{
yield return(new ZenjectResolveException(
"Found unnecessary extra parameters passed when injecting into '{0}' with types '{1}'. \nObject graph:\n{2}"
.With(concreteType.Name(), String.Join(",", extrasList.Select(x => x.Name()).ToArray()), DiContainer.GetCurrentObjectGraph())));
}
}
}
public override object GetInstance(Type contractType, InjectContext context)
{
Assert.That(typeof(T).DerivesFromOrEqual(contractType));
var obj = _method(_container);
Assert.That(obj != null, () =>
"Method provider returned null when looking up type '{0}'. \nObject graph:\n{1}".With(typeof(T).Name(), DiContainer.GetCurrentObjectGraph()));
return(obj);
}
public override object GetInstance(Type contractType, InjectContext context)
{
Assert.That(_componentType.DerivesFromOrEqual(contractType));
if (_instance == null)
{
if (_instantiator == null)
{
_instantiator = _container.Resolve <GameObjectInstantiator>();
}
Assert.That(!_container.AllowNullBindings,
"Tried to instantiate a MonoBehaviour with type '{0}' during validation. Object graph: {1}", _componentType, DiContainer.GetCurrentObjectGraph());
// We don't use the generic version here to avoid duplicate generic arguments to binder
_instance = _instantiator.Instantiate(_componentType, _name);
Assert.That(_instance != null);
}
return(_instance);
}
internal static void Inject(DiContainer container, object injectable, IEnumerable <object> additional, bool shouldUseAll, ZenjectTypeInfo typeInfo)
{
Assert.IsEqual(typeInfo.TypeAnalyzed, injectable.GetType());
Assert.That(injectable != null);
var additionalCopy = additional.ToList();
foreach (var injectInfo in typeInfo.FieldInjectables.Concat(typeInfo.PropertyInjectables))
{
bool didInject = InjectFromExtras(injectInfo, injectable, additionalCopy);
if (!didInject)
{
InjectFromResolve(injectInfo, container, injectable);
}
}
if (shouldUseAll && !additionalCopy.IsEmpty())
{
throw new ZenjectResolveException(
"Passed unnecessary parameters when injecting into type '{0}'. \nExtra Parameters: {1}\nObject graph:\n{2}"
.With(injectable.GetType().Name(), String.Join(",", additionalCopy.Select(x => x.GetType().Name()).ToArray()), DiContainer.GetCurrentObjectGraph()));
}
foreach (var methodInfo in typeInfo.PostInjectMethods)
{
using (ProfileBlock.Start("{0}.{1}()".With(injectable.GetType(), methodInfo.Name)))
{
methodInfo.Invoke(injectable, new object[0]);
}
}
}
public LookupInProgressAdder(DiContainer container, Type concreteType)
{
if (DiContainer.LookupsInProgress.Contains(concreteType))
{
Assert.That(false, () => "Circular dependency detected! \nObject graph:\n" + DiContainer.GetCurrentObjectGraph());
}
DiContainer.LookupsInProgress.Push(concreteType);
_concreteType = concreteType;
}
public override object GetInstance(Type contractType, InjectContext context)
{
Assert.That(_componentType.DerivesFromOrEqual(contractType));
if (_instance == null)
{
Assert.That(!_container.AllowNullBindings,
"Tried to instantiate a MonoBehaviour with type '{0}' during validation. Object graph: {1}", _componentType, DiContainer.GetCurrentObjectGraph());
_instance = _gameObject.AddComponent(_componentType);
Assert.That(_instance != null);
InjectionHelper.InjectMonoBehaviour(_container, _instance);
}
return(_instance);
}
internal static void Inject(
DiContainer container, object injectable,
IEnumerable <TypeValuePair> extraArgMapParam, bool shouldUseAll, ZenjectTypeInfo typeInfo)
{
Assert.IsEqual(typeInfo.TypeAnalyzed, injectable.GetType());
Assert.That(injectable != null);
// Make a copy since we remove from it below
var extraArgMap = extraArgMapParam.ToList();
foreach (var injectInfo in typeInfo.FieldInjectables.Concat(typeInfo.PropertyInjectables))
{
object value;
if (InstantiateUtil.PopValueWithType(extraArgMap, injectInfo.ContractType, out value))
{
injectInfo.Setter(injectable, value);
}
else
{
value = container.Resolve(injectInfo, injectable);
if (injectInfo.Optional && value == null)
{
// Do not override in this case so it retains the hard-coded value
}
else
{
injectInfo.Setter(injectable, value);
}
}
}
if (shouldUseAll && !extraArgMap.IsEmpty())
{
throw new ZenjectResolveException(
"Passed unnecessary parameters when injecting into type '{0}'. \nExtra Parameters: {1}\nObject graph:\n{2}"
.With(injectable.GetType().Name(), String.Join(",", extraArgMap.Select(x => x.Type.Name()).ToArray()), DiContainer.GetCurrentObjectGraph()));
}
foreach (var methodInfo in typeInfo.PostInjectMethods)
{
using (ProfileBlock.Start("{0}.{1}()", injectable.GetType(), methodInfo.Name))
{
methodInfo.Invoke(injectable, new object[0]);
}
}
}
public static void Inject(DiContainer container, object injectable, IEnumerable <object> additional, bool shouldUseAll)
{
Assert.That(injectable != null);
var additionalCopy = additional.ToList();
var injectInfos = InjectablesFinder.GetFieldAndPropertyInjectables(injectable.GetType());
foreach (var injectInfo in injectInfos)
{
bool didInject = InjectFromExtras(injectInfo, injectable, additionalCopy);
if (!didInject)
{
InjectFromResolve(injectInfo, container, injectable);
}
}
if (shouldUseAll && !additionalCopy.IsEmpty())
{
throw new ZenjectResolveException(
"Passed unnecessary parameters when injecting into type '{0}'. \nExtra Parameters: {1}\nObject graph:\n{2}"
.With(injectable.GetType().Name(), String.Join(",", additionalCopy.Select(x => x.GetType().Name()).ToArray()), container.GetCurrentObjectGraph()));
}
foreach (var methodInfo in InjectablesFinder.GetPostInjectMethods(injectable.GetType()))
{
methodInfo.Invoke(injectable, new object[0]);
}
}
