FunctX XSLT Function Library > XML Elements and Attributes > XML Document Statistics >

functx:distinct-element-names

The distinct names of all elements in an XML fragment

Description

The functx:distinct-element-names function returns the distinct set of element names that exist in $nodes or among the descendants of $nodes.

Arguments and Return Type

XSLT Function Declaration

<xsl:function name="functx:distinct-element-names" as="xs:string*"
              xmlns:functx="http://www.functx.com">
  <xsl:param name="nodes" as="node()*"/>

  <xsl:sequence select="
   distinct-values($nodes/descendant-or-self::*/name(.))
 "/>

</xsl:function>

Examples

<authors>
   <author>
      <fName>Kate</fName>
      <lName>Jones</lName>
   </author>
   <author>
      <fName>John</fName>
      <lName>Doe</lName>
   </author>
</authors>

functx:distinct-element-names($in-xml)

('authors',
'author',
'fName',
'lName')

functx:distinct-element-names(
   $in-xml/author[1])

('author',
'fName',
'lName')

Depends On

See Also

History