But i want the $level to be the actual level, 0, 1, 2, ...

But since i'm not reached the optimization phase, i'll check if there
are cases when i really just wnat to check the first level, your
remark is a good point...


On Fri, 11 Feb 2005 08:16:56 -0800 (PST), David Carlisle
<davidc@xxxxxxxxx> wrote:
>   I'm doing it like this:
> 
>   <xsl:variable name="level" select="count(ancestor::Menu)"/>
>   (...)
>   <xsl:choose>
>         <xsl:when test="$level=0">
>                 <xsl:text>1</xsl:text>   ----> this node is visible
>         </xsl:when>
> 
>   where Menu is your tree_node.
> 
> that (probably) forces the system to really go all the way up the
> ancestor axis and count the number of nodes.
> 
> If you just went
> 
> <xsl:when test="not(ancestor::Menu)">1</xsl:when>
> 
> then the system would only need to do the minimum amount of checking to
> see if there were any such ancestors.
> 
> David
> 
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