EXSLT - math:highest - EXSLT Function Implementation

Supported Version: 1
XML Definition: math.highest.xml
Source: math.highest.function.xsl

Source

<exsl:function name="math:highest">
   <xsl:param name="nodes"
              select="/.." />
   <xsl:choose>
      <xsl:when test="$nodes and not($nodes[number(.) != number(.)])">
         <xsl:variable name="max">
            <xsl:for-each select="$nodes">
               <xsl:sort data-type="number"
                         order="descending" />
               <xsl:if test="position() = 1">
                  <xsl:value-of select="number(.)" />
               </xsl:if>
            </xsl:for-each>
         </xsl:variable>
         <exsl:return select="$nodes[. = $max]" />
      </xsl:when>
      <xsl:otherwise>
         <exsl:return select="/.." />
      </xsl:otherwise>
   </xsl:choose>
</exsl:function>

Change History

Submitted: 2001-03-28
Creator: Jeni Tennison(http://www.jenitennison.com)

Returns the nodes with the maximum value in a node set.

Version	Modified	By	Details
1.1	2001-04-28	Jeni Tennison	Clarified the wording of the definition, highlighting the fact that a non-numeric value will result in an empty set being returned.
1.2	2001-05-22	Jeni Tennison	Added vendor implementations in Saxon and 4XSLT Changed status to stable
1.3	2001-06-11	Jeni Tennison	Added vendor implementation in jd.xslt.
1.4	2001-08-23	Jeni Tennison	Added vendor implementation in libxslt.
1.5	2002-08-20	Craig Stewart	Added Xalan-J implementation to the list.
1.6	2002-11-12	Craig Stewart	Updated 4XSLT version to 0.12.0a3.

Copyright

This material is in the public domain.