From: Henrik Horneber <ryco@...>
Date: 2004-09-10T20:45:15+09:00
Subject: Re: REXML: Got stuck...

Meino Christian Cramer wrote:

> Hi Rubyaner ! :)
> 
>  I want to reorder my bookmarks, a xbel document  generated by KDE's
>  Konqueror 3.3. with ruby (what else? ;)
> 
>  The elements are known but they can include each other in a
>  unpredictable order: A <folder>...</folder> can include
>  <bookmark>...</bookmark> which can include........and so forth.
> 
>  I want to write a loop which steps down the tree one step deeper (and
>  the way back afterwards) at each looping...
> 
>  My problem: I dont know the nesting depth...and I currently have no
>  idea anymore how to achieve the wanted behaviour.
> 
>  My code snippets either prints the very first level element "xbel"
>  and stops then (probably caused by not able to recurse deeper) or
>  print the whole bookmarks.xml file at once (only one loop needed
>  -- also probably caused by not able to recurse) or print nothing.
> 
>  Now I get stuck.
> 
>  Any ideas? Or is there any xbel-parsing module out there? I asked
>  ruby forge but it rerturns "nil" ;)
> 
>  Thank you very much for any help or hint in advance !
> 
>  Ruby.use!
>  Meino 
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Hi!

This sounds a little bit like what Martin Fowler did with Ruby instead 
of XSLT. In short, he uses some Visitor-like approach. Google will help 
you find it (I don't have http here right now :( )

Hope that helps!

Henrik