Re: XPath question

Hi Allison.

I'm a little unclear on exactly what you need to do here.  Perhaps you can send
to sample xml snippets so I can better see what you are trying to
accomplish.(Although I won't be able to respond until Monday.)

What I have done myself is set up multiple rule contexts each with their own
assert/reports in them.  Only the valid case will trigger the checks.

I also have created large assert/report with many conditions, if this attribute
="xxx" and this other attribute="yyy", or if sub-element exists and
ancestor::zzz/@aaa exists.

Perhaps what you are looking for is in these XPATH expressions:
http://www.w3.org/TR/xpath#location-paths

I hope this helps, chad the rad dad

____________________________________________________________

Chad Williamson, B.Sc. CE                                    BOW Networks Inc.
Software Developer                                                 #200, 550-71
Avenue S.E.
TEL: (403) 640-8422                                                  Calgary,
Alberta
FAX: (403) 253-8979                                                  T2H 0S6
e-mail: [email protected]
---------------------------------------------------------------------------------------------------------






"Denny, Allison (LNG-BET)" <[email protected]> on 16/01/2004 04:32:17
PM

To:   "'[email protected]'"
      <[email protected]>
cc:    (bcc: Chad Williamson/BOW Software Inc.)

Subject:  [Schematron-love-in] XPath question




Hello,

I'd like to create one schematron template that treats the same element
differently based on the presence of a child.  If the element has a certain
daughter, there are two validations.  If not, the same element has more
validations.  But I don't seem to be able to create a <rule> element
containing a 'not', and I can't think how else to do this.  Can anyone help?

<rule context="PUB-ENTRY/BIB/NOTICE[@WITH-DOCUMENT='NO']"> is fine
<rule context="PUB-ENTRY and not(BIB/NOTICE[@WITH-DOCUMENT='NO'])> throws an
error
<rule context="PUB-ENTRY"> + <rule
context="PUB-ENTRY/BIB/NOTICE[@WITH-DOCUMENT='NO']"> incorrectly runs all
validations

Thanks in advance!
Allison Denny

XML data analyst
LexisNexis


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