static IEnumerable <IAttribute> GetAttributes(IEntity entity, Predicate <IType> attributeTypePredicate, bool inherit)
{
if (!inherit)
{
foreach (var attr in entity.Attributes)
{
if (attributeTypePredicate(attr.AttributeType))
{
yield return(attr);
}
}
yield break;
}
ITypeDefinition typeDef = entity as ITypeDefinition;
if (typeDef != null)
{
foreach (var baseType in typeDef.GetNonInterfaceBaseTypes().Reverse())
{
ITypeDefinition baseTypeDef = baseType.GetDefinition();
if (baseTypeDef == null)
{
continue;
}
foreach (var attr in baseTypeDef.Attributes)
{
if (attributeTypePredicate(attr.AttributeType))
{
yield return(attr);
}
}
}
yield break;
}
IMember member = entity as IMember;
if (member != null)
{
HashSet <IMember> visitedMembers = new HashSet <IMember>();
do
{
member = member.MemberDefinition; // it's sufficient to look at the definitions
if (!visitedMembers.Add(member))
{
// abort if we seem to be in an infinite loop (cyclic inheritance)
break;
}
foreach (var attr in member.Attributes)
{
if (attributeTypePredicate(attr.AttributeType))
{
yield return(attr);
}
}
} while (member.IsOverride && (member = InheritanceHelper.GetBaseMember(member)) != null);
yield break;
}
throw new NotSupportedException("Unknown entity type");
}
internal static IEnumerable <IAttribute> GetAttributes(IMember member)
{
HashSet <IMember> visitedMembers = new HashSet <IMember>();
do
{
member = member.MemberDefinition; // it's sufficient to look at the definitions
if (!visitedMembers.Add(member))
{
// abort if we seem to be in an infinite loop (cyclic inheritance)
break;
}
foreach (var attr in member.GetAttributes())
{
yield return(attr);
}
} while (member.IsOverride && (member = InheritanceHelper.GetBaseMember(member)) != null);
}
