[xsl] dynamic usage of attribute sets

[Joerg Heinicke <joerg.heinicke@xxxxxx>]

Hello,

this time I have a question regarding attribute sets. I create a table in 
XSL FO and have one template for creating the cells:

<xsl:template match="iupb:cell">
  <fo:table-cell xsl:use-attribute-sets="table-cell">
    <fo:block wrap-option="no-wrap">
      <xsl:variable name="value" 
select="iupb:value0|@iupb:value0|@iupb:value1"/>
      <xsl:choose>
        <xsl:when test="$value = 'nd'"></xsl:when>
        <xsl:when test="@iupb:type = 'AMOUNT'">
          <xsl:value-of select="format-number($value div 100000, '#.##0')"/>
        </xsl:when>
        <xsl:when test="not(@iupb:type) or @iupb:type = 'LABEL'">
          <xsl:value-of select="$value"/>
        </xsl:when>
        <xsl:otherwise>
          <xsl:value-of select="format-number($value, '#.##0')"/>
        </xsl:otherwise>
      </xsl:choose>
    </fo:block>
  </fo:table-cell>
</xsl:template>

Now I want to use a different attribute set for header cells. According to 
the spec http://www.w3.org/TR/xslt#attribute-sets only QNames are allowed as 
value for use-attribute-sets, but not expressions. So I must assume, that it 
is not possible in general. But has somebody a workaround. Until now I must 
add the special attributes via <xsl:attribute>:

  <fo:table-cell xsl:use-attribute-sets="table-cell">
    <xsl:if test="parent::iupb:header-cell">
      <xsl:attribute name="font-weight">bold</xsl:attribute>
      <xsl:attribute name="text-align">center</xsl:attribute>
    </xsl:if>
    ...
  </fo:table-cell>

For a third type (column headers vs. row headers) I had to add still more 
<xsl:attribute/>s. Does anybody know a smarter way to achieve "dynamic 
attribute-sets"?

Regards,

Joerg

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Fax  +49(0)341-979-7409
joerg.heinicke@xxxxxxxxx
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