Use variable in key function : key « XSLT stylesheet « XML






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Use variable in key function


File: Data.xml

<shirts>
  <shirt colorCode="c4">item 1</shirt>
  <shirt colorCode="c1">item 2</shirt>
  <shirt colorCode="c6">item 3</shirt>
</shirts>

File: Transform.xslt

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  version="1.0">
  <xsl:output method="text" />

  <xsl:variable name="colorLookupDoc" select="document('Data.xml')" />

  <xsl:key name="colorNumKey" match="color" use="@cid" />

  <xsl:template match="shirts">
    <xsl:apply-templates select="$colorLookupDoc" />
    <xsl:apply-templates />
  </xsl:template>

  <xsl:template match="colors" />

  <xsl:template match="shirt">
    <xsl:variable name="shirtColor" select="@colorCode" />
    <xsl:for-each select="$colorLookupDoc">
      <xsl:value-of select="key('colorNumKey',$shirtColor)" />
    </xsl:for-each>
    <xsl:text> </xsl:text>
    <xsl:apply-templates />
    <xsl:text></xsl:text>
  </xsl:template>

</xsl:stylesheet>








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