public override object GetInstance(InjectContext context)
{
var obj = context.Container.InstantiateExplicit(
GetTypeToInstantiate(context.MemberType), new List<TypeValuePair>(), context, null, true);
Assert.That(obj != null);
return obj;
}
public InjectContext CreateInjectContext(
DiContainer container, InjectContext currentContext, object targetInstance, string concreteIdentifier)
{
return new InjectContext(
container, MemberType, Identifier, Optional,
ObjectType, targetInstance, MemberName, currentContext, concreteIdentifier);
}
public IEnumerable<ZenjectResolveException> ValidateBinding(
Type componentType, InjectContext context)
{
if (!ContainsComponent(componentType))
{
yield return new ZenjectResolveException(
"Could not find component of type '{0}' in prefab with name '{1}' \nObject graph:\n{2}"
.Fmt(componentType.Name(), _id.Prefab.name, context.GetObjectGraphString()));
yield break;
}
// In most cases componentType will be a MonoBehaviour but we also want to allow interfaces
// And in that case we can't validate it
if (!componentType.IsAbstract())
{
// Note that we always want to cache _container instead of using context.Container
// since for singletons, the container they are accessed from should not determine
// the container they are instantiated with
// Transients can do that but not singletons
foreach (var err in _container.ValidateObjectGraph(componentType, context))
{
yield return err;
}
}
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsNotNull(context);
bool autoInject = false;
var instanceType = GetTypeToCreate(context.MemberType);
var injectArgs = new InjectArgs()
{
ExtraArgs = _extraArguments.Concat(args).ToList(),
Context = context,
ConcreteIdentifier = _concreteIdentifier,
UseAllArgs = false,
};
var instance = _container.InstantiateExplicit(
instanceType, autoInject, injectArgs);
// Return before property/field/method injection to allow circular dependencies
yield return new List<object>() { instance };
injectArgs.UseAllArgs = true;
_container.InjectExplicit(instance, instanceType, injectArgs);
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsNotNull(context);
if (_instances != null)
{
yield return _instances;
yield break;
}
// This should only happen with constructor injection
// Field or property injection should allow circular dependencies
Assert.That(!_isCreatingInstance,
"Found circular dependency when creating type '{0}'",
_creator.GetInstanceType(context));
_isCreatingInstance = true;
var runner = _creator.GetAllInstancesWithInjectSplit(context, args);
// First get instance
bool hasMore = runner.MoveNext();
_instances = runner.Current;
Assert.IsNotNull(_instances);
_isCreatingInstance = false;
yield return _instances;
// Now do injection
while (hasMore)
{
hasMore = runner.MoveNext();
}
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsNotNull(context);
object instance;
// We still want to make sure we can get the game object during validation
var gameObj = GetGameObject(context);
if (!_container.IsValidating || DiContainer.CanCreateOrInjectDuringValidation(_componentType))
{
instance = gameObj.AddComponent(_componentType);
}
else
{
instance = new ValidationMarker(_componentType);
}
// Note that we don't just use InstantiateComponentOnNewGameObjectExplicit here
// because then circular references don't work
yield return new List<object>() { instance };
var injectArgs = new InjectArgs()
{
ExtraArgs = _extraArguments.Concat(args).ToList(),
UseAllArgs = true,
Context = context,
ConcreteIdentifier = _concreteIdentifier,
};
_container.InjectExplicit(instance, _componentType, injectArgs);
Assert.That(injectArgs.ExtraArgs.IsEmpty());
}
public override object GetInstance(InjectContext context)
{
Assert.That(_componentType.DerivesFromOrEqual(context.MemberType));
return context.Container.InstantiateComponentOnNewGameObjectExplicit(
_componentType, _componentType.Name(), new List<TypeValuePair>(), context);
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsEmpty(args);
Assert.IsNotNull(context);
if (_container.IsValidating)
{
yield return new List<object>() { new ValidationMarker(context.MemberType) };
}
else
{
var result = _method(context);
if (result == null)
{
Assert.That(context.MemberType.IsPrimitive,
"Invalid value returned from FromMethod. Expected non-null.");
}
else
{
Assert.That(result.GetType().DerivesFromOrEqual(context.MemberType));
}
yield return new List<object>() { result };
}
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(
InjectContext context, List<TypeValuePair> args)
{
Assert.IsNotNull(context);
var gameObjectRunner = _prefabInstantiator.Instantiate(args);
// First get instance
bool hasMore = gameObjectRunner.MoveNext();
var gameObject = gameObjectRunner.Current;
var allComponents = gameObject.GetComponentsInChildren(_componentType);
Assert.That(allComponents.Length >= 1,
"Expected to find at least one component with type '{0}' on prefab '{1}'",
_componentType, _prefabInstantiator.GetPrefab().name);
yield return allComponents.Cast<object>().ToList();
// Now do injection
while (hasMore)
{
hasMore = gameObjectRunner.MoveNext();
}
}
public override object GetInstance(InjectContext context)
{
Assert.That(_componentType.DerivesFromOrEqual(context.MemberType));
if (_instance == null)
{
// This is valid sometimes
//Assert.That(!_container.IsValidating,
//"Tried to instantiate a MonoBehaviour with type '{0}' during validation. Object graph: {1}", _componentType, DiContainer.GetCurrentObjectGraph());
// Note that we always want to cache _container instead of using context.Container
// since for singletons, the container they are accessed from should not determine
// the container they are instantiated with
// Transients can do that but not singletons
var name = string.IsNullOrEmpty(_name) ? _componentType.Name() : _name;
// We don't use the generic version here to avoid duplicate generic arguments to binder
_instance = _container.InstantiateComponentOnNewGameObjectExplicit(
_componentType, name, new List<TypeValuePair>(), context);
Assert.IsNotNull(_instance);
}
return _instance;
}
public object GetComponent(Type componentType, InjectContext context)
{
if (_rootObj == null)
{
Assert.IsNotNull(_id.ResourcePath);
var prefab = (GameObject)Resources.Load(_id.ResourcePath);
Assert.IsNotNull(prefab, "Could not find prefab at resource path '{0}'", _id.ResourcePath);
_rootObj = (GameObject)GameObject.Instantiate(prefab);
// Note that we always want to cache _container instead of using context.Container
// since for singletons, the container they are accessed from should not determine
// the container they are instantiated with
// Transients can do that but not singletons
_rootObj.transform.SetParent(_container.DefaultParent, false);
_rootObj.SetActive(true);
_container.InjectGameObject(_rootObj, true, false, new object[0], context);
}
var component = _rootObj.GetComponentInChildren(componentType);
if (component == null)
{
throw new ZenjectResolveException(
"Could not find component with type '{0}' in given singleton prefab".Fmt(componentType));
}
return component;
}
InjectContext GetSubContext(InjectContext parent)
{
var subContext = parent.CreateSubContext(_contractType, _identifier);
subContext.Optional = _isOptional;
return subContext;
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsEmpty(args);
Assert.IsNotNull(context);
Assert.That(_instanceType.DerivesFromOrEqual(context.MemberType));
yield return new List<object>() { _instance };
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsEmpty(args);
Assert.IsNotNull(context);
Assert.That(_contractType.DerivesFromOrEqual(context.MemberType));
yield return _container.ResolveAll(GetSubContext(context)).Cast<object>().ToList();
}
public override object GetInstance(InjectContext context)
{
var obj = Resources.Load(_resourcePath, _concreteType);
Assert.IsNotNull(obj,
"Could not find resource at path '{0}' with type '{1}'", _resourcePath, _concreteType);
return obj;
}
public override object GetInstance(InjectContext context)
{
Assert.That(_componentType.DerivesFromOrEqual(context.MemberType));
var name = string.IsNullOrEmpty(_name) ? _componentType.Name() : _name;
return context.Container.InstantiateComponentOnNewGameObjectExplicit(
_componentType, name, new List<TypeValuePair>(), context);
}
public object GetInstance(InjectContext context)
{
if (_instance == null)
{
InitInstance(context);
Assert.IsNotNull(_instance);
}
return _instance;
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsNotNull(context);
var subContainer = _subContainerCreator.CreateSubContainer(args);
var subContext = CreateSubContext(context, subContainer);
yield return subContainer.ResolveAll(subContext).Cast<object>().ToList();
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(
InjectContext context, List<TypeValuePair> args)
{
Assert.IsEmpty(args);
yield return new List<object>()
{
_container.CreateEmptyGameObject(_gameObjectName, _groupName)
};
}
public override object GetInstance(InjectContext context)
{
Assert.That(_returnType.DerivesFromOrEqual(context.MemberType));
var obj = _method(context);
Assert.That(obj != null, () =>
"Method provider returned null when looking up type '{0}'. \nObject graph:\n{1}".Fmt(_returnType.Name(), context.GetObjectGraphString()));
return obj;
}
public IEnumerable<ZenjectResolveException> ValidateBinding(InjectContext context)
{
// Note that we always want to cache _container instead of using context.Container
// since for singletons, the container they are accessed from should not determine
// the container they are instantiated with
// Transients can do that but not singletons
foreach (var err in _container.ValidateObjectGraph(_id.ConcreteType, context))
{
yield return err;
}
}
public override IEnumerable<ZenjectResolveException> ValidateBinding(InjectContext context)
{
// Can't validate custom methods so assume they work
if (_creator.HasInstance() || _creator.HasCustomCreateMethod)
{
// This would be the case if given an instance at binding time with ToSingle(instance)
return Enumerable.Empty<ZenjectResolveException>();
}
return _container.ValidateObjectGraph(GetInstanceType(), context, _creator.Id.Identifier);
}
public override object GetInstance(InjectContext context)
{
object instance;
if (!_instances.TryGetValue(context.MemberType, out instance))
{
instance = typeof(Mock).GetMethod("Of", new Type[] { context.MemberType }).Invoke(null, null);
_instances.Add(context.MemberType, instance);
}
return instance;
}
InjectContext CreateSubContext(
InjectContext parent, DiContainer subContainer)
{
var subContext = parent.CreateSubContext(_dependencyType, _identifier);
subContext.Container = subContainer;
// This is important to avoid infinite loops
subContext.SourceType = InjectSources.Local;
return subContext;
}
public static object GetInstance(
this IProvider creator, InjectContext context, List<TypeValuePair> args)
{
var allInstances = creator.GetAllInstances(context, args);
Assert.That(!allInstances.IsEmpty(),
"Provider returned zero instances when one was expected");
Assert.That(allInstances.Count == 1,
"Provider returned multiple instances when only one was expected");
return allInstances[0];
}
public InjectContext(
DiContainer container, Type memberType, string identifier, bool optional,
Type objectType, object objectInstance, string memberName, InjectContext parentContext)
{
ObjectType = objectType;
ObjectInstance = objectInstance;
Identifier = identifier;
MemberName = memberName;
MemberType = memberType;
Optional = optional;
Container = container;
BindingId = new BindingId(memberType, identifier);
ParentContext = parentContext;
}
public IEnumerator<List<object>> GetAllInstancesWithInjectSplit(InjectContext context, List<TypeValuePair> args)
{
Assert.IsEmpty(args);
Assert.IsNotNull(context);
var obj = Resources.Load(_resourcePath, _resourceType);
Assert.IsNotNull(obj,
"Could not find resource at path '{0}' with type '{1}'", _resourcePath, _resourceType);
yield return new List<object>() { obj };
// Are there any resource types which can be injected?
}
public override IEnumerable<ZenjectResolveException> ValidateBinding(InjectContext context)
{
if (!_creator.ContainsComponent(_concreteType))
{
yield return new ZenjectResolveException(
"Could not find component of type '{0}' in prefab with name '{1}' \nObject graph:\n{2}"
.Fmt(_concreteType.Name(), _creator.Prefab.name, context.GetObjectGraphString()));
yield break;
}
foreach (var err in BindingValidator.ValidateObjectGraph(_container, _concreteType, context, null))
{
yield return err;
}
}
public override object GetInstance(InjectContext context)
{
Assert.That(_componentType.DerivesFromOrEqual(context.MemberType));
if (_instance == null)
{
Assert.That(!_container.AllowNullBindings,
"Tried to instantiate a MonoBehaviour with type '{0}' during validation. Object graph: {1}", _componentType, context.GetObjectGraphString());
_instance = _gameObject.AddComponent(_componentType);
Assert.That(_instance != null);
_container.Inject(_instance);
}
return _instance;
}
void InitInstance(InjectContext context)
{
var concreteType = GetTypeToInstantiate(context.MemberType);
bool autoInject = false;
_instance = _container.InstantiateExplicit(
concreteType, new List<TypeValuePair>(), context, _id.ConcreteIdentifier, autoInject);
Assert.IsNotNull(_instance);
// Inject after we've instantiated and set _instance so that we can support circular dependencies
// as PostInject or field parameters
_container.InjectExplicit(
_instance, Enumerable.Empty<TypeValuePair>(), true,
TypeAnalyzer.GetInfo(_instance.GetType()), context, _id.ConcreteIdentifier);
}
public Type GetInstanceType(InjectContext context)
{
return(_componentType);
}
public abstract IEnumerator <List <object> > GetAllInstancesWithInjectSplit(
InjectContext context, List <TypeValuePair> args);
public Lazy(DiContainer container, InjectContext context)
{
_container = container;
_context = context;
}
static void OnDespawned(InjectContext that)
{
that.SetDefaults();
}
protected abstract GameObject GetGameObject(InjectContext context);
public Type GetInstanceType(InjectContext context)
{
return(_dependencyType);
}
public Type GetInstanceType(InjectContext context)
{
return(typeof(TContract));
}
public override object GetInstance(InjectContext context)
{
Assert.That(typeof(T).DerivesFromOrEqual(context.MemberType));
return(Instantiator.Instantiate <T>(_template));
}
public static IEnumerable <ZenjectResolveException> ValidateContract(DiContainer container, InjectContext context)
{
var matches = container.GetProviderMatches(context);
if (matches.Count == 1)
{
foreach (var error in matches.Single().ValidateBinding(context))
{
yield return(error);
}
}
else
{
if (ReflectionUtil.IsGenericList(context.MemberType))
{
var subContext = context.ChangeMemberType(context.MemberType.GetGenericArguments().Single());
matches = container.GetProviderMatches(subContext);
if (matches.IsEmpty())
{
if (!context.Optional)
{
if (container.FallbackProvider != null)
{
foreach (var error in container.FallbackProvider.ValidateBinding(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}"
.Fmt(
subContext.MemberType.Name(),
(context.ObjectType == null ? "" : " when injecting into '{0}'".Fmt(context.ObjectType.Name())),
context.GetObjectGraphString())));
}
}
}
else
{
foreach (var match in matches)
{
foreach (var error in match.ValidateBinding(context))
{
yield return(error);
}
}
}
}
else
{
if (!context.Optional)
{
if (matches.IsEmpty())
{
if (container.FallbackProvider != null)
{
foreach (var error in container.FallbackProvider.ValidateBinding(context))
{
yield return(error);
}
}
else
{
yield return(new ZenjectResolveException(
"Could not find required dependency with type '{0}'{1} \nObject graph:\n{2}"
.Fmt(
context.MemberType.Name(),
(context.ObjectType == null ? "" : " when injecting into '{0}'".Fmt(context.ObjectType.Name())),
context.GetObjectGraphString())));
}
}
else
{
yield return(new ZenjectResolveException(
"Found multiple matches when only one was expected for dependency with type '{0}'{1} \nObject graph:\n{2}"
.Fmt(
context.MemberType.Name(),
(context.ObjectType == null ? "" : " when injecting into '{0}'".Fmt(context.ObjectType.Name())),
context.GetObjectGraphString())));
}
}
}
}
}
public Type GetInstanceType(InjectContext context)
{
return(context.MemberType);
}
protected override GameObject GetGameObject(InjectContext context)
{
return(_gameObject);
}
public Type GetInstanceType(InjectContext context)
{
return(_concreteType);
}
Foo GetFoo(InjectContext ctx)
{
return(new Foo());
}
public void GetAllInstancesWithInjectSplit(
InjectContext context, List <TypeValuePair> args, out Action injectAction, List <object> buffer)
{
Assert.IsNotNull(context);
object instance;
// We still want to make sure we can get the game object during validation
var gameObj = GetGameObject(context);
var wasActive = gameObj.activeSelf;
if (wasActive && ShouldToggleActive)
{
// We need to do this in some cases to ensure that [Inject] always gets
// called before awake / start
gameObj.SetActive(false);
}
if (!_container.IsValidating || TypeAnalyzer.ShouldAllowDuringValidation(_componentType))
{
if (_componentType == typeof(Transform))
// Treat transform as a special case because it's the one component that's always automatically added
// Otherwise, calling AddComponent below will fail and return null
// This is nice to allow doing things like
// Container.Bind<Transform>().FromNewComponentOnNewGameObject();
{
instance = gameObj.transform;
}
else
{
instance = gameObj.AddComponent(_componentType);
}
Assert.IsNotNull(instance);
}
else
{
instance = new ValidationMarker(_componentType);
}
injectAction = () =>
{
try
{
var extraArgs = ZenPools.SpawnList <TypeValuePair>();
extraArgs.AllocFreeAddRange(_extraArguments);
extraArgs.AllocFreeAddRange(args);
_container.InjectExplicit(instance, _componentType, extraArgs, context, _concreteIdentifier);
Assert.That(extraArgs.Count == 0);
ZenPools.DespawnList <TypeValuePair>(extraArgs);
if (_instantiateCallback != null)
{
_instantiateCallback(context, instance);
}
}
finally
{
if (wasActive && ShouldToggleActive)
{
gameObj.SetActive(true);
}
}
};
buffer.Add(instance);
}
public override IEnumerable <ZenjectResolveException> ValidateBinding(InjectContext context)
{
return(BindingValidator.ValidateObjectGraph(_container, typeof(T)));
}
public abstract List <object> GetAllInstancesWithInjectSplit(
InjectContext context, List <TypeValuePair> args, out Action injectAction);
public override IEnumerable <ZenjectResolveException> ValidateBinding(InjectContext context)
{
return(BindingValidator.ValidateObjectGraph(_container, _componentType, context, null));
}
public override IEnumerable <ZenjectResolveException> ValidateBinding(Type contractType, InjectContext context)
{
return(Enumerable.Empty <ZenjectResolveException>());
}
public override IEnumerable <ZenjectResolveException> ValidateBinding(InjectContext context)
{
// Can't do much here if it's a method
yield break;
}
public Type GetInstanceType(InjectContext context)
{
return(_creator.GetInstanceType(context));
}
public IEnumerable <ZenjectResolveException> ValidateBinding(InjectContext context)
{
return(_container.ValidateObjectGraph(ComponentType, context));
}
public Type GetInstanceType(InjectContext context)
{
return(_resourceType);
}
public Type GetInstanceType(InjectContext context)
{
return(typeof(GameObject));
}
public override IEnumerable <ZenjectResolveException> ValidateBinding(InjectContext context)
{
return(_lazyCreator.ValidateBinding(_componentType, context));
}
public override object GetInstance(InjectContext context)
{
Assert.That(_concreteType.DerivesFromOrEqual(context.MemberType));
return(_container.InstantiatePrefabResourceForComponent(_concreteType, _resourcePath));
}
public override object GetInstance(InjectContext context)
{
return(_lazyCreator.GetComponent(_componentType, context));
}
public override IEnumerable <ZenjectResolveException> ValidateBinding(InjectContext context)
{
return(_creator.ValidateBinding(context));
}
public override object GetInstance(InjectContext context)
{
return(_creator.GetInstance(context));
}
public GameObject Instantiate(InjectContext context, List <TypeValuePair> args, out Action injectAction)
{
Assert.That(_argumentTarget == null || _argumentTarget.DerivesFromOrEqual(context.MemberType));
bool shouldMakeActive;
var gameObject = _container.CreateAndParentPrefab(
GetPrefab(), _gameObjectBindInfo, context, out shouldMakeActive);
Assert.IsNotNull(gameObject);
injectAction = () =>
{
var allArgs = ZenPools.SpawnList <TypeValuePair>();
allArgs.AllocFreeAddRange(_extraArguments);
allArgs.AllocFreeAddRange(args);
if (_argumentTarget == null)
{
Assert.That(
allArgs.IsEmpty(),
"Unexpected arguments provided to prefab instantiator. Arguments are not allowed if binding multiple components in the same binding");
}
Component targetComponent = null;
if (_argumentTarget == null || allArgs.IsEmpty())
{
_container.InjectGameObject(gameObject);
}
else
{
targetComponent = _container.InjectGameObjectForComponentExplicit(
gameObject, _argumentTarget, allArgs, context, null);
Assert.That(allArgs.Count == 0);
}
ZenPools.DespawnList <TypeValuePair>(allArgs);
if (shouldMakeActive && !_container.IsValidating)
{
#if ZEN_INTERNAL_PROFILING
using (ProfileTimers.CreateTimedBlock("User Code"))
#endif
{
gameObject.SetActive(true);
}
}
if (_instantiateCallback != null)
{
var callbackObjects = ZenPools.SpawnHashSet <object>();
foreach (var type in _instantiateCallbackTypes)
{
var obj = gameObject.GetComponentInChildren(type);
if (obj != null)
{
callbackObjects.Add(obj);
}
}
foreach (var obj in callbackObjects)
{
_instantiateCallback(context, obj);
}
ZenPools.DespawnHashSet(callbackObjects);
}
};
return(gameObject);
}
public Type GetInstanceType(InjectContext context)
{
return(typeof(TValue));
}
