Subject: Re: [xsl] calculating relative position in document order From: tom s <tshmit@xxxxxxxxx> Date: Thu, 16 Oct 2008 10:40:48 -0700 (PDT) |
I'm running 2.0, so that is the perfect solution! Thanks so much, Ken. :-) ----- Original Message ---- From: G. Ken Holman <gkholman@xxxxxxxxxxxxxxxxxxxx> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Sent: Thursday, October 16, 2008 1:15:26 PM Subject: Re: [xsl] calculating relative position in document order XSLT 2.0 has the operators "<<" and ">>" returning true and false regarding the first operand being (respectively) before or after the second operand in document order. Are you restricted to XSLT 1? . . . . . . . . . Ken At 2008-10-16 09:53 -0700, tom s wrote: >I'd like to be able to determine which element is "closer", in terms >of document order, to a given element. eg, given two structures >containing siblings: > > <a> > <b> > <c> >and > <b> > <a> > <c> > >I'd like to detect that the second structure is "out of order". In >my fantasy pseudo code, I might express the constraint as: > >//c[positionEX(preceding::a[1]) > positionEX(preceding::b[1])] > >Where my fantasy positionEX() function returns the absolute position >of the argument in the document. > >Am I missing something, or is implementing this operation in real >xpath/xslt much more difficult than it seems it should be? -- Upcoming XSLT/XSL-FO hands-on courses: Wellington, NZ 2009-01 Training tools: Comprehensive interactive XSLT/XPath 1.0/2.0 video Video sample lesson: http://www.youtube.com/watch?v=PrNjJCh7Ppg Video course overview: http://www.youtube.com/watch?v=VTiodiij6gE G. Ken Holman mailto:gkholman@xxxxxxxxxxxxxxxxxxxx Crane Softwrights Ltd. http://www.CraneSoftwrights.com/s/ Male Cancer Awareness Nov'07 http://www.CraneSoftwrights.com/s/bc Legal business disclaimers: http://www.CraneSoftwrights.com/legal
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