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(:**************************************************************:)
(: Test: functx-functx-distinct-attribute-names-1 :)
(: Written by: Priscilla Walmsley (Frans Englich is maintainer) :)
(: Date: 2008-05-16+02:00 :)
(:**************************************************************:)
declare namespace functx = "http://www.example.com/";
(:~
: The distinct names of all attributes in an XML fragment
:
: @author Priscilla Walmsley, Datypic
: @version 1.0
: @see http://www.xqueryfunctions.com/xq/functx_distinct-attribute-names.html
: @param $nodes the root to start from
:)
declare function functx:distinct-attribute-names
( $nodes as node()* ) as xs:string* {
distinct-values($nodes//@*/name(.))
} ;
let $in-xml := <authors a1="xyz">
<author a2="abc">
<fName a3="def">Kate</fName>
<lName>Jones</lName>
</author>
<author>
<fName a3="def">John</fName>
<lName>Doe</lName>
</author>
</authors>
return (functx:distinct-attribute-names($in-xml))
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