if test="(position() mod 2) = 0" : mod « XSLT stylesheet « XML

1. XML
2. XSLT stylesheet
3. mod

if test="(position() mod 2) = 0"

File: Data.xml

<?xml version="1.0" encoding="utf-8"?>
<cars>
  <manufacturer name="Chevrolet">
    <car>Cavalier</car>
    <car>Corvette</car>
    <car>Impala</car>
    <car>Malibu</car>
  </manufacturer>
  <manufacturer name="Ford">
    <car>Pinto</car>
    <car>Mustang</car>
    <car>Taurus</car>
  </manufacturer>
  <manufacturer name="Volkswagen">
    <car>Beetle</car>
    <car>Jetta</car>
    <car>Passat</car>
    <car>Touraeg</car>
  </manufacturer>
</cars>

File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:output method="text"/>

  <xsl:template match="/">
    <xsl:text>Automobile manufacturers and their cars&#xA;</xsl:text>
    <xsl:for-each select="cars/manufacturer">
      <xsl:value-of select="@name"/>
      <xsl:text>&#xA;</xsl:text>
      <xsl:for-each select="car">
        <xsl:text>  </xsl:text>
        <xsl:if test="(position() mod 2) = 0">
          <xsl:number count="manufacturer|car" level="multiple"
            format="1.1. "/>
        </xsl:if>
        <xsl:value-of select="."/>
        <xsl:text>&#xA;</xsl:text>
      </xsl:for-each>
    </xsl:for-each>
  </xsl:template>

</xsl:stylesheet>


Output:

omobile manufacturers and their cars
Chevrolet
  Cavalier
  1.2. Corvette
  Impala
  1.4. Malibu
Ford
  Pinto
  2.2. Mustang
  Taurus
Volkswagen
  Beetle
  3.2. Jetta
  Passat
  3.4. Touraeg

 

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