"Siegfried Heintze" <siegfried@h...> wrote in message 
news:eRHvSzqKJHA.1308@T......
> I have described a keyboard in XML and I have an XSLT that will produce an 
> SVG diagram rectangles representing each key of a keyboard with the scan 
> code centered in the rectangle.
> OK, I admit it, it is an ugly keyboard but that is besides the point!
>
> Now I need to write another XSLT that will emit C++ source code: each 
> array element will contain the upper left coordinates of the key and width 
> and the height of the key. The array will be indexed by the scan code. I 
> cannot figure how how to do this in one shot.
>
> I think I could do it in two XSLTs. The first XSLT will emit each key as a 
> single XML element with the scan code as the attribute. Then the second 
> XSLT will sort by the scan code. Is there a bettery way?
>
> Thanks,
> Siegfried
>
>
> <?xml version="1.0" encoding="utf-8"?>
> <generate>
>   <row id="1">
>     <key column="1" x="40" y="40.0" width="12.5" scan-code="1"/>
>     <key-sequence column-start="2" x-start="59.05" y-start="40" 
> width="12.5" height="12.5" x-delta="19.05" y-delta="0" repeat="12" 
> scan-code="59"/>
>     <key column="14" x="287.65" y="40.0" width="20.7" scan-code="71"/> 
> <!--  home -->
>     <key column="15" x="314.90" y="40.0" width="20.725" scan-code="79"/> 
> <!-- end -->
>   </row>
>   <row id="2">
>     <key column="1" x="40" y="59.5" width="12.5" scan-code="41"/>
>     <key-sequence column-start="2" x-start="59.05" y-start="59.5" 
> width="12.5" height="12.5" x-delta="19.05" y-delta="0" repeat="12" 
> scan-code="2"/>
>     <key column="14" x="287.65" y="59.05" width="28.925" scan-code="14" /> 
> <!-- bksp -->
>     <key column="15" x="323.12" y="59.05" width="12.5" scan-code="82"/> 
> <!-- ins -->
>   </row>
>   <row id="3">
>     <key column="1" x="40" y="78.6" width="20.7" scan-code="124" />   <!--  
> tab -->
>     <key-sequence column-start="2" x-start="66.95" y-start="78.6" 
> width="12.5" height="12.5" x-delta="19.05" y-delta="0" repeat="12" 
> scan-code="16"/>
>     <key column="14" x="295.55" y="78.6" width="20.725" scan-code="43" /> 
> <!-- bar -->
>     <key column="15" x="322.82" y="78.6" width="12.5" scan-code="82" /> 
> <!--ins -->
>   </row>
>   <row id="4">
>     <key column="1" x="40" y="97.65" width="26.275" scan-code="58" /> <!--  
> caps lock -->
>     <key-sequence column-start="2" x-start="72.82" y-start="97.65" 
> width="12.5" height="12.5" x-delta="19.05" y-delta="0" repeat="11" 
> scan-code="30"/>
>     <key column="14" x="282.37" y="97.65" width="34.12" scan-code="28" /> 
> <!-- return -->
>     <key column="15" x="323.12" y="97.65" width="12.5" scan-code="33" /> 
> <!-- pg up -->
>   </row>
>   <row id="5">
>     <key column="1" x="40" y="116.70" width="34.2" scan-code="42"/> <!--  
> shift -->
>     <key-sequence column-start="2" x-start="80.75" y-start="116.70" 
> width="12.5" height="12.5" x-delta="19.05" y-delta="0" repeat="10" 
> scan-code="44"/>
>     <key column="12" x="271.25" y="116.70" width="26.275" scan-code="54" 
> /> <!-- shift -->
>     <key column="13" x="304.07" y="116.70" width="12.5" scan-code="72"  /> 
> <!-- up -->
>     <key column="14" x="323.12" y="116.70" width="12.5" scan-code="81" /> 
> <!-- pg dn -->
>   </row>
>   <row id="6">
>     <key column="1" x=" 40.00" y="135.75" width="20.7" scan-code="29"/> 
> <!-- ctrl -->
>     <key column="2" x=" 67.25" y="135.75" width="20.725" scan-code="91" /> 
> <!-- flag -->
>     <key column="3" x=" 94.53" y="135.75" width="20.7"  scan-code="18" /> 
> <!-- alt -->
>     <key column="4" x="121.78" y="135.75" width="83.125" scan-code="57" /> 
> <!-- space -->
>     <key column="5" x="211.46" y="135.75" width="20.7"  scan-code="18" /> 
> <!-- alt -->
>     <key column="6" x="238.71" y="135.75" width="20.725" scan-code="92"/> 
> <!-- flag -->
>     <key column="7" x="265.99" y="135.75" width="12.5"   scan-code="93"/> 
> <!-- ctx -->
>     <key column="8" x="285.04" y="135.75" width="12.5"  scan-code="75" /> 
> <!-- left -->
>     <key column="9" x="304.09" y="135.75" width="12.5"  scan-code="80" /> 
> <!-- down -->
>     <key column="10" x="323.14" y="135.75" width="12.5"  scan-code="77" /> 
> <!-- right -->
>
>
>
>   </row>
> </generate>
>
>
You should just do something like:
<xsl:apply-templates select="//key">
  <xsl:sort select="scan-code" data-type="number" />
</xsl:apply-templates>

<xsl:template match="key">
  <!-- create array elements here -->
</xsl:template>

-- 

Joe Fawcett (MVP - XML)
http://joe.fawcett.name