/// <summary>
/// If the attribute of the given name of the given element is a container attribute
/// then return a clone of the given container value, otherwise just return the original value;
/// additionally returns the AttributeType of the attribute of the element.
/// </summary>
public static object IfAttributeOfElementIsContainerThenCloneContainer(
IObject element, String AttributeName, object value, out AttributeType attrType)
{
attrType = element.Type.GetAttributeType(AttributeName);
if (attrType.Kind == AttributeKind.SetAttr || attrType.Kind == AttributeKind.MapAttr)
{
Type keyType, valueType;
ContainerHelper.GetDictionaryTypes(element.GetAttribute(AttributeName), out keyType, out valueType);
return(ContainerHelper.NewDictionary(keyType, valueType, value)); // by-value-semantics -> clone dictionary
}
else if (attrType.Kind == AttributeKind.ArrayAttr)
{
Type valueType;
ContainerHelper.GetListType(element.GetAttribute(AttributeName), out valueType);
return(ContainerHelper.NewList(valueType, value)); // by-value-semantics -> clone array
}
else if (attrType.Kind == AttributeKind.DequeAttr)
{
Type valueType;
ContainerHelper.GetDequeType(element.GetAttribute(AttributeName), out valueType);
return(ContainerHelper.NewDeque(valueType, value)); // by-value-semantics -> clone deque
}
return(value);
}