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    copied!<p>Try this ...</p> <h1>Solution 1: Procedural</h1> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt; &lt;xsl:output method="xml" indent="yes"/&gt; &lt;xsl:template match="*" /&gt; &lt;xsl:template match="/"&gt; &lt;documents&gt; &lt;xsl:apply-templates select="document/sheet/line[@id='0']/field[@id!='0']" /&gt; &lt;/documents&gt; &lt;/xsl:template&gt; &lt;xsl:template match="field[@id!='0']"&gt; &lt;document&gt; &lt;header&gt; &lt;number&gt;&lt;xsl:value-of select="." /&gt;&lt;/number&gt; &lt;/header&gt; &lt;line&gt; &lt;xsl:call-template name="line-item-template" &gt; &lt;xsl:with-param name="value-id" select="@id" /&gt; &lt;xsl:with-param name="lines" select="../../line[@id!='0']"/&gt; &lt;/xsl:call-template&gt; &lt;/line&gt; &lt;/document&gt; &lt;/xsl:template&gt; &lt;xsl:template name="line-item-template"&gt; &lt;xsl:param name="value-id" /&gt; &lt;xsl:param name="lines" /&gt; &lt;xsl:for-each select="$lines[field[@id=$value-id]!='']" &gt; &lt;line-item&gt; &lt;lineNumber&gt;&lt;xsl:value-of select="format-number(position(),'00')" /&gt;&lt;/lineNumber&gt; &lt;Code&gt;&lt;xsl:value-of select="field[@id='0']" /&gt;&lt;/Code&gt; &lt;value&gt;&lt;xsl:value-of select="field[@id=$value-id]" /&gt;&lt;/value&gt; &lt;/line-item&gt; &lt;/xsl:for-each &gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <p>.. or try this ...</p> <h1>Solution 2: Template-o-phile</h1> <p>This solution hooks into the node that relates to the output node.</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt; &lt;xsl:output method="xml" indent="yes"/&gt; &lt;xsl:template match="*" /&gt; &lt;xsl:template match="/"&gt; &lt;documents&gt; &lt;xsl:apply-templates select="document/sheet/line[@id='0']/field[@id!='0']" /&gt; &lt;/documents&gt; &lt;/xsl:template&gt; &lt;xsl:template match="field[parent::line[@id='0']][@id!='0']"&gt; &lt;document&gt; &lt;header&gt; &lt;number&gt;&lt;xsl:value-of select="." /&gt;&lt;/number&gt; &lt;/header&gt; &lt;line&gt; &lt;xsl:variable name="value-index" select="@id" /&gt; &lt;xsl:apply-templates select="../../line[@id!='0']/field[@id=$value-index]" /&gt; &lt;/line&gt; &lt;/document&gt; &lt;/xsl:template&gt; &lt;xsl:template match="field[parent::line[@id!='0']][.!='']"&gt; &lt;xsl:variable name="current" select="." /&gt; &lt;xsl:variable name="value-index" select="@id" /&gt; &lt;line-item&gt; &lt;lineNumber&gt;&lt;xsl:value-of select="format-number( count( preceding::line[field[@id=$value-index]!=''] [..=$current/../..] ),'00')" /&gt;&lt;/lineNumber&gt; &lt;Code&gt;&lt;xsl:value-of select="../field[@id='0']" /&gt;&lt;/Code&gt; &lt;value&gt;&lt;xsl:value-of select="." /&gt;&lt;/value&gt; &lt;/line-item&gt; &lt;/xsl:template&gt; &lt;/xsl:stylesheet&gt; </code></pre> <hr> <p>Now imagine solving this problem for XSLT 2.0. Now that would be fun! :-)</p>
 

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