FunctX XSLT Functions

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fn:namespace-uri

The namespace URI of a node

Description

The fn:namespace-uri function returns the namespace part of the element or attribute name. This is the namespace that is mapped to its prefix, or the default namespace if it is unprefixed. If the element or attribute name is not in a namespace, a zero-length string is returned.

This description is © Copyright 2007, Priscilla Walmsley. It is excerpted from the book XQuery by Priscilla Walmsley, O'Reilly, 2007. For a complete explanation of this function, please refer to Appendix A of the book.

Arguments and Return Type

Name	Type
`$arg`	`node()?`
return value	`xs:anyURI`

Examples

<xsl:stylesheet xmlns:pre="http://datypic.com/pre"
                xmlns:unpre="http://datypic.com/unpre">...

<xsl:variable name="in-xml" as="item()*">

<noNamespace>
     <pre:prefixed xmlns="http://datypic.com/unpre"
              xmlns:pre="http://datypic.com/pre">
       <unprefixed pre:prefAttr="a" noNSAttr="b">123</unprefixed>
     </pre:prefixed>
   </noNamespace>

</xsl:variable>

XPath Example	Results	Explanation
namespace-uri($in-xml)	zero-length xs:anyURI value	the noNamespace element itself
namespace-uri($in-xml//pre:prefixed)	http://datypic.com/pre
namespace-uri($in-xml//unpre:unprefixed)	http://datypic.com/unpre
namespace-uri($in-xml//@pre:prefAttr)	http://datypic.com/pre
namespace-uri($in-xml//@noNSAttr)	zero-length xs:anyURI value

History

Published On	Last Updated	Contributor(s)
2006-06-27	2007-02-26	W3C, XQuery 1.0 and XPath 2.0 Functions and Operators, http://www.w3.org/TR/xpath-functions/

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