Subject: Re: [xsl] Need an XPath expression for: $B is not contained in $A From: "Wendell Piez wapiez@xxxxxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Thu, 14 Jun 2018 20:34:42 -0000 |
Hi, "not(some $b in ($B//*) satisfies ($b is $A))" (oh Roger came up with that.) or nicer? "empty($A intersect $B//*)" XPath 1.0: "count($B/**) = count($B//* | $A)" Cheers, Wendell On Thu, Jun 14, 2018 at 8:23 AM, Costello, Roger L. costello@xxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi Folks, > > The variable $A contains an element. > > The variable $B contains an element. > > I need an XPath expression that determines if $B is not contained in $A. > > This XPath expression seems to work: > > not(index-of($B/ancestor::*,$A)) > > but that seems awful, i.e., not straightforward, convoluted, and probably inefficient. > > Is there a better (simpler, straightforward, efficient) XPath expression? > > /Roger > -- Wendell Piez | http://www.wendellpiez.com XML | XSLT | electronic publishing Eat Your Vegetables _____oo_________o_o___ooooo____ooooooo_^
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