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functx:distinct-attribute-names

The distinct names of all attributes in an XML fragment

Description

The functx:distinct-attribute-names function returns the distinct set of attribute names that exist on nodes in $nodes or their descendants.

Arguments and Return Type

XSLT Function Declaration

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

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

</xsl:function>

Examples

<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>

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

('a1', 'a2', 'a3')

See Also

History