Subject: Re: [xsl] Need an XPath expression for: $B is not contained in $A From: "Alan Painter alan.painter@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Thu, 14 Jun 2018 13:15:17 -0000 |
There is always: http://www.xsltfunctions.com/xsl/functx_index-of-node.html On Thu, Jun 14, 2018, 15:10 Costello, Roger L. costello@xxxxxxxxx < xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Martin Honnen wrote: > > > If you have (element) nodes I fail to see how the index-of function helps > > Eek! You are right. > > > Don't you need index-of-node? > > That is an XPath 3.0 function. I need to stick with XPath 2.0. Suggestions? > > /Roger > > -----Original Message----- > From: Martin Honnen martin.honnen@xxxxxx [mailto: > xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx] > Sent: Thursday, June 14, 2018 8:52 AM > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: Re: [xsl] Need an XPath expression for: $B is not contained in $A > > On 14.06.2018 14:22, Costello, Roger L. costello@xxxxxxxxx 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. > > If you have (element) nodes I fail to see how the index-of function helps > that works on sequences and uses "eq" comparison helps to check > containment? Don't you need > https://www.w3.org/TR/xpath-functions/#index-of-node?
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