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(:**************************************************************:)
(: Test: functx-functx-follows-not-descendant-all :)
(: Written by: Priscilla Walmsley (Frans Englich is maintainer) :)
(: Date: 2008-05-16+02:00 :)
(:**************************************************************:)
declare namespace functx = "http://www.example.com/";
(:~
: Whether an XML node follows another without being its descendant
:
: @author W3C XML Query Working Group
: @version 1.0
: @see http://www.xqueryfunctions.com/xq/functx_follows-not-descendant.html
: @param $a the first node
: @param $b the second node
:)
declare function functx:follows-not-descendant
( $a as node()? ,
$b as node()? ) as xs:boolean {
$a >> $b and empty($b intersect $a/ancestor::node())
} ;
let $in-xml := <authors>
<author>
<fName>Kate</fName>
<lName>Jones</lName>
</author>
<author>
<fName>John</fName>
<lName>Doe</lName>
</author>
</authors>
return (functx:follows-not-descendant(
$in-xml//author[2],$in-xml//author[1]), functx:follows-not-descendant(
$in-xml//author[1]/fName,
$in-xml//author[1]), functx:follows-not-descendant(
$in-xml//author[1],$in-xml//author[2]))
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