Re: xslt 2.0 challenge

DaveP wrote

  Now there's a feature that would help out XSL-FO!
  Arithmetic that catered for 100mm+25mm and added them with a common unit!



<x>
<a>
  <c width='10m'/> 
  <c width='3mm'/>
  <c width='4mm'/>
  <c width='6cm'/>
</a>
<a>
  <c width='2mm'/>
  <c width='3mm'/>
  <c width='4.3mm'/>
  <c width='3in'/>
  <c width='3pt'/>
</a>
</x>





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

<xsl:template match="a">
 [<xsl:value-of select="x:sum-widths(c/@width)"/>]
</xsl:template>

<xsl:function name="x:sum-widths">
 <xsl:param name="x"/>
<xsl:value-of select="
 format-number(sum(for $i in $x
 return
  if (ends-with($i,'mm')) then number(substring-before($i,'mm')) else
  if (ends-with($i,'cm')) then 10*number(substring-before($i,'cm')) else
  if (ends-with($i,'m')) then 100*number(substring-before($i,'m')) else
  if (ends-with($i,'in')) then 25.4*number(substring-before($i,'in')) else
  if (ends-with($i,'ft')) then  304.8*number(substring-before($i,'ft')) else
  if (ends-with($i,'pt')) then 25.4*number(substring-before($i,'pt')) div 72 else
      $i),'#.0#mm')
 "/> 
</xsl:function>

</xsl:stylesheet>


$ saxon7 lengths.xml lengths.xsl
<?xml version="1.0" encoding="UTF-8"?>

 [1067.0mm]


 [86.56mm]


-- 
http://www.dcarlisle.demon.co.uk/matthew

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