Swift iOS - 在解析XML时排除root / parent元素 - NSXML

I am attempting to parse an XML RSS feed using NSXMLParser and creating an array dictionary and displaying in a table view - which is working, however I am getting mismatched results. For each result I'm trying to show the "title" and "source" elements for each "item" (i.e. each child) - but because "title" exists in the parent node it is producing a mismatch of results. I am attempting to parse an XML RSS feed using