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Eliot,
How about (count(ancestor::ol) - count(ancestor::ul/ancestor::ol))? extending the step "ancestor::ul" to cover other possible intervening elements. Unlike David's, you do need to know the names of your list-containing elements statically. But then, you do. (Forgive me if I'm missing something obvious: I'm having trouble connecting with my astral body today.) Cheers, Wendell At 04:52 AM 2/5/2008, you wrote: > From: Eliot Kimber [mailto:ekimber@xxxxxxxxxxxx] > Sent: 05 February 2008 07:18 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: Count Ancestors Up To But Not Including a Given Type > > Maybe it's the lateness of the hour but I'm finding myself > stymied on what I hope is relatively simple check. > > In DITA, as in many doctypes, you can have nested lists of the form: > > <ol> > <li> > <ol> > <li> > </li> > </ol> > </li> > </ol> > > As well as an intermixing of different list types, e.g.: > > <ol> > <li> > <ul> > <li> > <ol> > <li> > > > What I need to do is determine, for a given li, its depth of > nesting within unbroken ancestry of a given list type. > > Thus, int the first example, the deepest li is a level 2 > because it has two ancestor <ol> elements with no intervening > <ul> (or other non-list element that might occur within <li> > and itself contain a list). In the second example, the > deepest <li> is a level one because there is an intervening > <ul> between the two <ol> ancestors. > > I can't for the life of me figure out either a single > expression or a recursive function that will return the > correct answer. > > What bit of logic am I failing to see? I am using XSLT 2. > > Thanks, > > ELiot > > -- > Eliot Kimber > Senior Solutions Architect > "Bringing Strategy, Content, and Technology Together" > Main: 610.631.6770 > www.reallysi.com > www.rsuitecms.com ====================================================================== Wendell Piez mailto:wapiez@xxxxxxxxxxxxxxxx Mulberry Technologies, Inc. http://www.mulberrytech.com 17 West Jefferson Street Direct Phone: 301/315-9635 Suite 207 Phone: 301/315-9631 Rockville, MD 20850 Fax: 301/315-8285 ---------------------------------------------------------------------- Mulberry Technologies: A Consultancy Specializing in SGML and XML ======================================================================
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