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RE: [xsl] Xpath to count occurances within a single parent
Subject: RE: [xsl] Xpath to count occurances within a single parent From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Mon, 28 Aug 2006 20:53:46 +0100 |
In XPath 2.0, count(preceding::caution intersect ancestor::chapter//caution) In 1.0, you can simulate the intersect operator using the equivalence A intersect B ==> A[count(.|B) = count(B)] But you might be better off using <xsl:number count="caution" level="any" from="chapter"/> Michael Kay http://www.saxonica.com/ > -----Original Message----- > From: David White [mailto:davidw@xxxxxxxxxxx] > Sent: 28 August 2006 17:07 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] Xpath to count occurances within a single parent > > Hello all, > > I have the following XML structure > > <book> > <chapter> > <caution/> > <caution/> > <caution/> > </chapter> > > <chapter> > <sect1> > <caution/> > </sect1> > <caution/> > <caution/> > </chapter> > </book> > > What I need is an XPATH statement that counts the number of > preceding cautions in each chapter. From any given chapter element. > > EXAMPLE: > count(preceding::caution)!= 0 > > This XPATH works correctly for the first <chapter> but fails > on the second <chapter> because one <caution> is a child of <sect1>. > > Is there a way to count preceding <cautions> within a > <chapter> element despite nesting? > > Thanks, > > David White
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