Subject: RE: [xsl] XPath problem with namespace attribute From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Fri, 5 Sep 2008 16:58:31 +0100 |
The xmlns declaration (in XPath terms it's a namespace binding, not an attribute) changes the name of the elements Three, Four, and Five. That means you can't select them under their original names. You need to select them under their namespaced names, which you do by binding a prefix to the namespace and using that prefix in your path expression: /One/Two/n:Three/n:Four/n:Five Just as a bit of advice, you really should assume that a bug in your implementation is the least probable explanation when you get unexpected results. Google for "XPath default namespace" and you will find zillions of references to this usability gotcha. Michael Kay http://www.saxonica.com/ > -----Original Message----- > From: Matthew Hailstone [mailto:matthew.hailstone@xxxxxxxxx] > Sent: 05 September 2008 16:50 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] XPath problem with namespace attribute > > All, > > I hope it is ok to post this XPath comment to this list. > > It seems there is a bug in the XPath result when an empty > namespace attribute is used: > > XML: > <?xml version="1.0" encoding="utf-8"?> > <One> > <Two> > <Three xmlns="http://www.hailstone.org/"> > <Four> > <Five/> > </Four> > </Three> > </Two> > </One> > > XPath: > /One/Two/Three/Four/Five > > Expected Result: > The element "Five" should be returned. > > Result: > Nothing is returned. > > Modifications of element "Three" that fix the problem: > > ... > <Three xmlns:something="http://www.hailstone.org"> > ... > > ... > <Three normalattribute="http://www.hailstone.org"> > ... > > Is this a bug in the XPath implementation? > Is there something something special about the "xmlns" > attribute that I don't know? > > Thoughts? > > Thanks, > Matthew
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