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(:**************************************************************:)
(: Test: functx-functx-max-depth-all :)
(: Written by: Priscilla Walmsley (Frans Englich is maintainer) :)
(: Date: 2008-05-16+02:00 :)
(:**************************************************************:)
declare namespace functx = "http://www.example.com/";
(:~
: The maximum depth of elements in an XML tree
:
: @author Priscilla Walmsley, Datypic
: @version 1.0
: @see http://www.xqueryfunctions.com/xq/functx_max-depth.html
: @param $root the root to start from
:)
declare function functx:max-depth
( $root as node()? ) as xs:integer? {
if ($root/*)
then max($root/*/functx:max-depth(.)) + 1
else 1
} ;
let $in-xml := <authors>
<author>
<fName>Kate</fName>
<lName>Jones</lName>
</author>
<author>
<fName>John</fName>
<lName>Doe</lName>
</author>
</authors>
return (functx:max-depth($in-xml), functx:max-depth($in-xml/author[1]))
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