public static TAttribute[] GetCustomAttributesBasedOn <TAttribute>([NotNull] this MemberInfo element) where TAttribute : Attribute
{
Fail.IfArgumentNull(element, nameof(element));
Fail.IfArgumentNull(element.DeclaringType, nameof(element.DeclaringType));
object[] memberAttributes = element.GetCustomAttributes(inherit: true);
MemberInfo[] interfaceMembers = CustomAttributeExtensions.GetInterfaceMembersImplementedBy(element);
object[] interfaceAttributes = interfaceMembers.SelectMany(m => m.GetCustomAttributes(inherit: true))
.ToArray();
IEnumerable <object> allAttributes = memberAttributes.Union(interfaceAttributes).ToList();
TAttribute[] attributes = CustomAttributeExtensions.GetInheritedAttributes <TAttribute>(allAttributes, element.Name);
return(attributes);
}
public static TAttribute[] GetCustomAttributesBasedOn <TAttribute>([NotNull] this ParameterInfo parameter) where TAttribute : Attribute
{
Fail.IfArgumentNull(parameter, nameof(parameter));
//Fail.IfArgumentNull(parameter.DeclaringType, nameof(parameter.DeclaringType));
object[] memberAttributes = parameter.GetCustomAttributes(inherit: true);
MemberInfo[] interfaceMembers = CustomAttributeExtensions.GetInterfaceMembersImplementedBy(parameter.Member);
ParameterInfo[] methodArguments = parameter.Member.CastOrFail <MethodInfo>().GetParameters();
var parameterIndex = Array.IndexOf(methodArguments, parameter);
object[] interfaceAttributes = interfaceMembers.SelectMany(m => m.CastOrFail <MethodInfo>()
.GetParameters()[parameterIndex]
//.FailIfNull("Method {0}.{1}() should have argument {2}", m.DeclaringType, m.Name, parameter.Name)
.GetCustomAttributes(inherit: true))
.ToArray();
IEnumerable <object> allAttributes = memberAttributes.Union(interfaceAttributes);
TAttribute[] attributes = CustomAttributeExtensions.GetInheritedAttributes <TAttribute>(allAttributes, parameter.Name);
return(attributes);
}