conditional processing <xsl: when test ...>

Hi list,

I want to design a stylesheet that will do conditional transformation/
processing depending on my SQL expression, specifically the signs within
the expression (i.e., "< | >" or "=").


*****part of my XML is:
<SqlExpression where="'avg > 9' and 'avg < 200'" />
OR
<SqlExpression where="avg=9" />

<!-- NOTE that I will have cases where I will either have "avg" "sum"
"min" etc...This will have to be implemented later in my stylesheet -->


*****part of my stylesheet is:

 <xsl:choose>
       <!-- use EXACT if SqlExpression has an "="  sign"  -->
        <xsl:when test="//SqlExpression/@where=attribute(=)">
          <EXACT value="9">
          </xsl:when>

        <!-- otherwise   -->
        <!-- use RANGE if SqlExpression has an "<" or ">"  sign -->
        <xsl:when test="//SqlExpression/@where=attribute(< | >)">
         <RANGE lower="9" upper="200" >   <!-- I will have to do
something here in order to be accurate about the actual range, since the
">" sign is used, as opposed to ">=" ...)
       </xsl:when>

        </EXACT>

         </RANGE>
  </xsl:choose>


Am I using the "=attribute()" correct? Am I on the right track?


THanks!
Kris




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