depth first tree traversal

I started a little library called RAAWS for Ruby Associate Amazon Web Services. It's in a very early stage of development, so don't use it yet.

Anyway fiddling around with amazon api responses, I often felt like having a clear look at the xml directly in my a rails view, but found nowhere a good depth-first tree traversal method in any of the libraries (hpricot, libxml, nokogiri, rexm...ha no) to help me spit it out in a readable html list.

So after a little struggle :


If anyone has a better way, please let me know, specially with node.path.split('/') to get the nodes depth, it' really a dirty hack.