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FunctX XSLT Functions

functx:distinct-element-paths

The distinct paths of all descendant elements in an XML fragment

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Description

The functx:distinct-element-paths function returns a sequence of strings representing the paths of elements that are in $nodes or among their descendants.

Arguments and Return Type

NameTypeDescription
$nodes node()* the root(s) to start from
return value xs:string*

XSLT Function Declaration

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

  <xsl:sequence select="
   distinct-values(functx:path-to-node($nodes/descendant-or-self::*))
 "/>

</xsl:function>

Examples

<xsl:variable name="in-xml" as="item()*">
<authors>
   <author>
      <fName>Kate</fName>
      <lName>Jones</lName>
   </author>
   <author>
      <fName>John</fName>
      <lName>Doe</lName>
   </author>
</authors>
</xsl:variable>
XSLT ExampleResults
<functx:distinct-element-paths(>unctx:distinct-element-paths(
     $in-xml)
<('authors',
 'authors/author',
 'authors/author/fName',
 'authors/author/lName'>
<functx:distinct-element-paths(>unctx:distinct-element-paths(
     $in-xml/author[1])
<('authors/author',
 'authors/author/fName',
 'authors/author/lName'>

Depends On

functx:path-to-nodeA path to an XML node (or sequence of nodes)

See Also

functx:distinct-element-namesThe distinct names of all elements in an XML fragment
functx:path-to-nodeA path to an XML node (or sequence of nodes)
functx:dynamic-pathDynamically evaluates a simple XPath path

History

Published OnLast UpdatedContributor(s)
2006-06-272007-02-26Priscilla Walmsley, Datypic, pwalmsley@datypic.com, http://www.datypic.com
Datypic XSLT Services

Recommended Reading:

XQuery