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(:**************************************************************:)
(: Test: functx-functx-path-to-node-with-pos-1 :)
(: Written by: Priscilla Walmsley (Frans Englich is maintainer) :)
(: Date: 2008-05-16+02:00 :)
(:**************************************************************:)
declare namespace functx = "http://www.example.com/";
(:~
: The position of a node in a sequence, based on node identity
:
: @author W3C XML Query Working Group
: @version 1.0
: @see http://www.xqueryfunctions.com/xq/functx_index-of-node.html
: @param $nodes the node sequence
: @param $nodeToFind the node to find in the sequence
:)
declare function functx:index-of-node
( $nodes as node()* ,
$nodeToFind as node() ) as xs:integer* {
for $seq in (1 to count($nodes))
return $seq[$nodes[$seq] is $nodeToFind]
} ;
(:~
: A unique path to an XML node (or sequence of nodes)
:
: @author Priscilla Walmsley, Datypic
: @version 1.0
: @see http://www.xqueryfunctions.com/xq/functx_path-to-node-with-pos.html
: @param $node the node sequence
:)
declare function functx:path-to-node-with-pos
( $node as node()? ) as xs:string {
string-join(
for $ancestor in $node/ancestor-or-self::*
let $sibsOfSameName := $ancestor/../*[name() = name($ancestor)]
return concat(name($ancestor),
if (count($sibsOfSameName) <= 1)
then ''
else concat(
'[',functx:index-of-node($sibsOfSameName,$ancestor),']'))
, '/')
} ;
let $in-xml := <authors>
<author>
<fName>Kate</fName>
<lName>Jones</lName>
</author>
<author>
<fName>John</fName>
<lName>Doe</lName>
</author>
</authors>
return (functx:path-to-node-with-pos(
$in-xml//lName[. = 'Doe']))
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