Re: [xsl] super basic xsl question

Subject: Re: [xsl] super basic xsl question
From: António Mota <amsmota@xxxxxxxxx>
Date: Thu, 13 Jan 2005 18:25:16 +0000
You can add 
<xsl:template match="description"/>

cause your description is allready been processed in the first
template and you don't want to process it twice.


On Thu, 13 Jan 2005 13:10:00 -0500, Jeb Boniakowski <jeb@xxxxxxxxxxx> wrote:
> Wendell--
> 
> Thanks for the reply.  This is the kind of info I'm having a hard time
> getting from like w3schools.com, etc.
> 
> In this particular case, though, I want the template that matches the
> value of <child> to be agnostic to the markup that is in there, with no
> more template processing, I just want whatever was already done (by
> this point, that chunk of xml has been processed by other sheets, and
> will be processed by later sheets) so I didn't want to do an explicit
> match for the link tag.
> 
> In general though, on the topic of apply-templates, there is a larger
> issue that trips me up.  Oftentimes, it seems that I mess up my set of
> templates in such a way that things get matched and copied to the
> output tree automatically, even though they are matched.  To deal with
> this, I've been sticking a template at the top of my sheets that is:
> 
> <xsl:template match="text()"/>
> 
> Is this bad style?  Is it a crappy hack to deal with messed up
> templates?  Or is it the correct way to suppress default rules?
> 
> I have situations where I have things along the lines of:
> 
> <node>
>    <description>Foo</description>
>    <datum>1</datum>
>    <datum>2</datum>
> </node>
> 
> When I do something like:
> 
> <xsl:template match="node">
>    <h1><xsl:value-of select="description"/></h1>
>    <ul><xsl:apply-templates/><ul>
> </xsl:template>
> 
> <xsl:template match="node/datum">
>   <li><xsl:value-of select="."/></li>
> </xsl:template>
> 
> I end up with:
> 
> <h1>Foo</h1>
> Foo  <!-- Extraneous foo that I don't want -->
> <ul>
>   <li>1</>
>   <li>2</2>
> </ul>
> 
> Tacking a <xsl:template match="text()"/> seems to catch the 'Foo' and
> kill it, but why do I have to do this?  Does the <apply-templates/> in
> node automatically copy the text values of any child nodes that are not
> explicitly matched?  If so, why?  Is it better to have an additional
> template that specifically matches 'description' and does nothing?  Or
> to take the <h1><xsl:value-of select="description"/></h1> out and move
> it into this explicit template? Or should I be doing something more
> like <xsl:apply-templates select="datum"/>?
> 
> Again, thanks.
> 
> jeb.

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