[xquery-talk] How can I retrive namespace defined in xml

David Carlisle davidc at nag.co.uk
Mon Jan 30 05:47:00 PST 2012

On 30/01/2012 13:34, Markus Pilman wrote:
> Hi,
> declare function functx:namespaces-in-use
>    ( $root as node()? )  as xs:anyURI* {
>     distinct-values(
>        $root/descendant-or-self::*/(.|@*)/namespace-uri(.))
>   } ;
> You can look it up here:
> http://www.xqueryfunctions.com/xq/functx_namespaces-in-use.html
> Hope this helps
> Markus
That would only return the namespaces of elements and attribute, not 
namespaces declared but not used or declared but only used in content 
(such as for types in XSD schema, or namespaces declared in XSLT but 
only used in variable and function names).

To find all declared namespaces you want to use the namespace axis in 
those products that support it or the fn:in-scope-prefixes and 
fn:namespace-uri-for-prefix functions otherwise.

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