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LightweightIocContainer
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- generic parameters in ctors are now handled correctly

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ImplementExpressionTrees v4.3.0
Simon G. 2 years ago
parent 8102db3f77
commit 9e2531b7fd
Signed by: SimonG
GPG Key ID: 7CD6DBFB1B2786ED
2 changed files with 28 additions and 11 deletions
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  1. 32
      LightweightIocContainer/IocContainer.cs
  2. 5
      LightweightIocContainer/LightweightIocContainer.xml

32
LightweightIocContainer/IocContainer.cs
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@ -189,7 +189,7 @@ public class IocContainer : IIocContainer, IIocResolver
Type registeredType = GetType<T>(registration);
(bool result, List<object?>? parametersToResolve, NoMatchingConstructorFoundException? exception) =
TryGetTypeResolveStack(registeredType, arguments, internalResolveStack);
TryGetTypeResolveStack<T>(registeredType, arguments, internalResolveStack);
if (registration is IMultitonRegistration multitonRegistration)
{
@ -483,7 +483,7 @@ public class IocContainer : IIocContainer, IIocResolver
/// <para>parameters: The parameters needed to resolve the given <see cref="Type"/></para>
/// <para>exception: A <see cref="NoMatchingConstructorFoundException"/> if no matching constructor was found</para>
/// </returns>
private (bool result, List<object?>? parameters, NoMatchingConstructorFoundException? exception) TryGetTypeResolveStack(Type type, IReadOnlyCollection<object?>? arguments, List<Type> resolveStack)
private (bool result, List<object?>? parameters, NoMatchingConstructorFoundException? exception) TryGetTypeResolveStack<T>(Type type, IReadOnlyCollection<object?>? arguments, List<Type> resolveStack)
{
NoMatchingConstructorFoundException? noMatchingConstructorFoundException = null;
@ -491,7 +491,7 @@ public class IocContainer : IIocContainer, IIocResolver
List<ConstructorInfo> sortedConstructors = TryGetSortedConstructors(type);
foreach (ConstructorInfo constructor in sortedConstructors)
{
(bool result, List<object?>? parameters, List<ConstructorNotMatchingException>? exceptions) = TryGetConstructorResolveStack(constructor, arguments, resolveStack);
(bool result, List<object?>? parameters, List<ConstructorNotMatchingException>? exceptions) = TryGetConstructorResolveStack<T>(type, constructor, arguments, resolveStack);
if (result)
return (true, parameters, null);
@ -506,6 +506,7 @@ public class IocContainer : IIocContainer, IIocResolver
/// <summary>
/// Try to get the resolve stack for a given constructor
/// </summary>
/// <param name="type">The <see cref="Type"/> that is currently getting resolved</param>
/// <param name="constructor">The <see cref="ConstructorInfo"/> for the given constructor</param>
/// <param name="arguments">The given arguments</param>
/// <param name="resolveStack">The current resolve stack</param>
@ -514,7 +515,7 @@ public class IocContainer : IIocContainer, IIocResolver
/// <para>parameters: The parameters needed to resolve the given <see cref="Type"/></para>
/// <para>exception: A List of <see cref="ConstructorNotMatchingException"/>s if the constructor is not matching</para>
/// </returns>
private (bool result, List<object?>? parameters, List<ConstructorNotMatchingException>? exceptions) TryGetConstructorResolveStack(ConstructorInfo constructor, IReadOnlyCollection<object?>? arguments, List<Type> resolveStack)
private (bool result, List<object?>? parameters, List<ConstructorNotMatchingException>? exceptions) TryGetConstructorResolveStack<T>(Type type, ConstructorInfo constructor, IReadOnlyCollection<object?>? arguments, List<Type> resolveStack)
{
List<ParameterInfo> constructorParameters = constructor.GetParameters().ToList();
@ -530,10 +531,25 @@ public class IocContainer : IIocContainer, IIocResolver
object? fittingArgument = new InternalResolvePlaceholder();
if (passedArguments != null)
{
fittingArgument = passedArguments.FirstOrGiven<object?, InternalResolvePlaceholder>(a =>
a?.GetType() == parameter.ParameterType ||
parameter.ParameterType.IsInstanceOfType(a) ||
a is NullParameter nullParameter && parameter.ParameterType.IsAssignableFrom(nullParameter.ParameterType));
if (parameter.ParameterType.IsGenericParameter)
{
Type? genericArgument = type.GetGenericArguments().FirstOrDefault(a => a.Name.Equals(parameter.ParameterType.Name));
if (genericArgument is not null)
{
Type genericArgumentType = typeof(T).GetGenericArguments()[genericArgument.GenericParameterPosition];
fittingArgument = passedArguments.FirstOrGiven<object?, InternalResolvePlaceholder>(a =>
a?.GetType() == genericArgumentType ||
genericArgumentType.IsInstanceOfType(a) ||
a is NullParameter nullParameter && genericArgumentType.IsAssignableFrom(nullParameter.ParameterType));
}
}
else
{
fittingArgument = passedArguments.FirstOrGiven<object?, InternalResolvePlaceholder>(a =>
a?.GetType() == parameter.ParameterType ||
parameter.ParameterType.IsInstanceOfType(a) ||
a is NullParameter nullParameter && parameter.ParameterType.IsAssignableFrom(nullParameter.ParameterType));
}
if (fittingArgument is not InternalResolvePlaceholder)
passedArguments.Remove(fittingArgument);

5
LightweightIocContainer/LightweightIocContainer.xml
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@ -1120,7 +1120,7 @@
<param name="arguments">The constructor arguments</param>
<returns>The argument list updated with the <see cref="P:LightweightIocContainer.Interfaces.Registrations.Fluent.IWithParametersInternal.Parameters"/></returns>
</member>
<member name="M:LightweightIocContainer.IocContainer.TryGetTypeResolveStack(System.Type,System.Collections.Generic.IReadOnlyCollection{System.Object},System.Collections.Generic.List{System.Type})">
<member name="M:LightweightIocContainer.IocContainer.TryGetTypeResolveStack``1(System.Type,System.Collections.Generic.IReadOnlyCollection{System.Object},System.Collections.Generic.List{System.Type})">
<summary>
Try to get the resolve stack for a given <see cref="T:System.Type"/>
</summary>
@ -1133,10 +1133,11 @@
<para>exception: A <see cref="T:LightweightIocContainer.Exceptions.NoMatchingConstructorFoundException"/> if no matching constructor was found</para>
</returns>
</member>
<member name="M:LightweightIocContainer.IocContainer.TryGetConstructorResolveStack(System.Reflection.ConstructorInfo,System.Collections.Generic.IReadOnlyCollection{System.Object},System.Collections.Generic.List{System.Type})">
<member name="M:LightweightIocContainer.IocContainer.TryGetConstructorResolveStack``1(System.Type,System.Reflection.ConstructorInfo,System.Collections.Generic.IReadOnlyCollection{System.Object},System.Collections.Generic.List{System.Type})">
<summary>
Try to get the resolve stack for a given constructor
</summary>
<param name="type">The <see cref="T:System.Type"/> that is currently getting resolved</param>
<param name="constructor">The <see cref="T:System.Reflection.ConstructorInfo"/> for the given constructor</param>
<param name="arguments">The given arguments</param>
<param name="resolveStack">The current resolve stack</param>

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