XaMeLeon Webtop Project

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
  <xsl:template match="/booklist">
    <authors>
      <xsl:call-template name="RecursiveGrouping">
        <xsl:with-param name="list" select="book"></xsl:with-param>
      </xsl:call-template>
    </authors>
  </xsl:template>

<xsl:template name="RecursiveGrouping">
    <xsl:param name="list"></xsl:param>
    
     
                              
    <xsl:variable name="group-identifier" select="$list[1]/@author"></xsl:variable>
    <xsl:variable name="group" select="$list[@author=$group-identifier]"></xsl:variable>
    
     
                              
    <author name="{$group-identifier}" number-of-books="{count($group)}"></author>
    
     
                              
    <xsl:if test="count($list)>count($group)">
      <xsl:call-template name="RecursiveGrouping">
        <xsl:with-param name="list" select="$list[not(@author=$group-identifier)]"></xsl:with-param>
      </xsl:call-template>
    </xsl:if>
  </xsl:template>
</xsl:stylesheet>

test-group.xsl

test-group-m.xsl

test-group.xml