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Editorial Team
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Asked: 2026-06-01T20:32:32+00:00

I’m using Saxon HE 9-4-0-3J. My intent is to use the select attribute on

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I’m using Saxon HE 9-4-0-3J. My intent is to use the select attribute on xsl:apply-templates to iterate over each <RECORD> element, but only a single <RECORD> element in the xml is being processed.

xml

<ENVELOPE>
<PRODUCT>
    <HEAD><FLAG>No</FLAG></HEAD>
    <BODY>
        <RECORD><Value>9</Value></RECORD>
        <RECORD><Value>10</Value></RECORD>
        <MISC>9</MISC>
    </BODY>
</PRODUCT>

xslt 2.0

<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:template match="/ENVELOPE">
<Interface>
   <Data><xsl:apply-templates select="PRODUCT"/></Data>
</Interface>
</xsl:template>

<xsl:template match="PRODUCT">
   <xsl:choose>
      <xsl:when test="HEAD/FLAG='Yes'">
         <xsl:attribute name="Match">Affirmative</xsl:attribute>
         <xsl:apply-templates select="BODY/RECORD" mode="affr"/>
      </xsl:when>
      <xsl:when test="HEAD/FLAG='No'">
         <xsl:attribute name="Match">Negative</xsl:attribute>
         <xsl:apply-templates select="BODY/RECORD" mode="neg"/>
      </xsl:when>
   </xsl:choose>
</xsl:template>

<xsl:template match="RECORD" mode="affr">
   <xsl:attribute name="Value"><xsl:value-of select="Value"/></xsl:attribute>
</xsl:template>

<xsl:template match="RECORD" mode="neg">
   <xsl:attribute name="Value"><xsl:value-of select="Value"/></xsl:attribute>
</xsl:template>

</xsl:stylesheet>

Output

<Interface>
      <Data Match="Negative" Value="9"/> <!-- this line doesn't appear, I want it to -->
      <Data Match="Negative" Value="10"/>
</Interface>
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1 Answer

  1. Editorial Team

    The <DATA...> output tag is generated when you match <ENVELOPE...>, so there can only be one of these output. Any <xsl:attribute> directives merely add to this output tag, with later values overwriting earlier ones.

    You must explicitly generate the DATA tags you want output, as in:

    <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" exclude-result-prefixes="xs" version="2.0">

  <xsl:output method="xml" indent="yes"/>
  <xsl:template match="/ENVELOPE">
    <Interface>
      <xsl:apply-templates select="PRODUCT"/>
    </Interface>
  </xsl:template>

  <xsl:template match="PRODUCT">
    <xsl:variable name="flag">
      <xsl:choose>
        <xsl:when test="HEAD/FLAG='Yes'">Affirmative</xsl:when>
        <xsl:when test="HEAD/FLAG='No'">Negative</xsl:when>
      </xsl:choose>
    </xsl:variable>

    <xsl:apply-templates select="BODY/RECORD">
      <xsl:with-param name="flag"><xsl:value-of select="$flag"/></xsl:with-param>
    </xsl:apply-templates>

  </xsl:template>

  <xsl:template match="RECORD">
    <xsl:param name="flag"/>
    <Data Value="{Value}" Match="{$flag}"/>
  </xsl:template>

</xsl:stylesheet>
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