Re: Finding the maximum depth from a node

>>I need to be able to find out how deep the nodes go, i.e. when the
>>template has matched root, I need to work out how deep the deepest
>>folder is (folder 8 in this case). I know how to calculate a depth
>>from a nodes context, but not the depth of its children.

For interest, you can do all of this within an attribute in XPath 2.0:

  max(for $folder in //folder return count($folder/ancestor::folder))

although possibly the following would be slightly better (depending on
the particular pattern of optimisation in the processor):

  max(for $folder in //folder[not(folder)]
      return count($folder/ancestor::folder))

Cheers,

Jeni

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Jeni Tennison
http://www.jenitennison.com/


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