Re: most efficient way to check for a group of tags?

--- Wendell Piez <wapiez@xxxxxxxxxxxxxxxx> wrote:

> Hi Sebastian,
> 
> At 03:37 PM 3/2/2005, you wrote:
> >I've got a template that needs to know the if it
> >contains only 1 of a specific group of tags when
> it's
> >within a "content" tag, and I've got this condition
> to
> >do this:
> >
> >count(ancestor::content[1]/child::*[self:tag1 or
> >self:tag2 or self:tag3 ....]) = 1
> >
> >Now I need to check for about 15 different tags; is
> >there a more efficient way to do this sort of
> check?
> 
> I have my doubts about its being more efficient
> (from several points of 
> view it is likely to be less so), but a more
> explicit XSLT approach might 
> at least *read* a bit more accessibly (whatever a
> processor does with it) --
> 
> <xsl:variable name="tags-count">
>    <xsl:for-each select="ancestor::content[1]">
>      <xsl:value-of
> select="count(tag1|tag2|tag3|etc)"/>
>    </xsl:for-each>
> </xsl:variable>
> 

Except that "count(tag1|tag2|...)" doesn't work (from
experience).



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