andrewminton · August 15, 2012 18:41
diff --git a/master.xml b/master.xml
 <TestDocument>
    <Element>Alpha</Element>
    <Element>Bravo</Element>
    <Element>Charlie</Element>
    <Element>Delta</Element>
    <Element>Echo</Element>
    <Element>Foxtrot</Element>
    <Element>Golf</Element>
    <Element>Hotel</Element>
 </TestDocument>
diff --git a/master.xsl b/master.xsl
 <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:output method="html"/>

    <!-- Declare a key to identify each group of 3 elements -->
    <xsl:key name="positionKey" match="TestDocument/Element" use="floor((position() - 2) div 3)"/>
    <xsl:template match="TestDocument">
        <html>
            <!-- Iterate over the first element in each group -->
            <xsl:for-each select="Element[(position() - 1) mod 3 = 0]">
                <ul>
                    <!-- Grab all elements from this group -->
                    <xsl:apply-templates select="key('positionKey', position()-1)"/>
                </ul>
            </xsl:for-each>
        </html>
    </xsl:template>

    <xsl:template match="Element">
        <li><xsl:value-of select="."/></li>
    </xsl:template>
 </xsl:stylesheet>
	<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
	<xsl:output method="html"/>

	<!-- Declare a key to identify each group of 3 elements -->
	<xsl:key name="positionKey" match="TestDocument/Element" use="floor((position() - 2) div 3)"/>
	<xsl:template match="TestDocument">
	<html>
	<!-- Iterate over the first element in each group -->
	<xsl:for-each select="Element[(position() - 1) mod 3 = 0]">
	<ul>
	<!-- Grab all elements from this group -->
	<xsl:apply-templates select="key('positionKey', position()-1)"/>
	</ul>
	</xsl:for-each>
	</html>
	</xsl:template>

	<xsl:template match="Element">
	<li><xsl:value-of select="."/></li>
	</xsl:template>
	</xsl:stylesheet>