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Re: Filtering problem

Subject: Re: Filtering problem
From: Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>
Date: Wed, 28 Jun 2006 10:58:57 -0400
Re:  Filtering problem

Mukul is correct to point you to the identity transform to build your filter.

In particular, your problem is just a bit trickier than the ordinary case since your requirements include things like

there are no attributes starting dim1

Unfortunately, the proposed match="*[starts-with(name(@*), 'dim1')] won't work, since when there are several attributes it will only examine the name of the first of them, in document order, which as it happens is undefined.

You may need something like

match="*[not(@*[starts-with(name(),'dim1')]) or @dim1_a='yes']"

... as you can see, the XPath is pretty fancy. Basically it's matching any element node for which the set of attributes whose name starts with 'dim1' is empty, or for which @dim1_a='yes'.

More information about filters using the identity transform is available on line (use your search engine) or the FAQ.


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