private InjectionConstructor ResolvableConstructor(ConstructorInfo[] constructorInfos)
{
InjectionConstructor[] injectionConstructors = new InjectionConstructor[constructorInfos.Length];
int validIndex = -1, max = -1;
for (int i = 0; i < constructorInfos.Length; i++)
{
ConstructorInfo constructorInfo = constructorInfos[i];
InjectionConstructor injectionConstructor = MappingConstructor(constructorInfo);
if (injectionConstructor.Resolvable(this))
{
injectionConstructors[i] = injectionConstructor;
int parameterCount = constructorInfo.GetParameters()?.Length ?? 0;
if (parameterCount > max)
{
max = parameterCount;
validIndex = i;
}
}
}
return(validIndex > -1 ? injectionConstructors[validIndex] : null);
}
private object CreateInstance(Type to)
{
var constructorInfos = to.GetConstructors();
if (constructorInfos?.Length > 0)
{
InjectionConstructor resolvableConstructor = ResolvableConstructor(constructorInfos);
if (resolvableConstructor != null)
{
if (resolvableConstructor.ParameterTypes != null)
{
object[] parameters = Resolve(resolvableConstructor.ParameterTypes);
return(Activator.CreateInstance(to, parameters));
}
else
{
return(Activator.CreateInstance(to));
}
}
}
return(null);
}
