Thanks Wendell. Thinking it over, your simple template
of
<xsl:template match="p[not(normalize-space(.))]">
<xsl:apply-templates/>
</xsl:template>
will not work, as much as I wish it would, as I am
allowing other elements such as <strong> and <em> and
I could get passed a node set like this
<p><strong>this is bold text</strong></p>
OR this
<p><em>this is bold text</em></p>
For both of those cases, they would need to get
wrapped in a p tag in the output.
So, I do need to specifically look to see if the p
element's child nodes are made up of either
1) only a Media element
OR
2) only a Media element wrapped by a Link element
If either of those cases is true, I do not want to
wrap the output in a p tag. Otherwise, I do.
I hope that makes it a bit clearer.
--nate
--- Wendell Piez <wapiez(_at_)mulberrytech(_dot_)com> wrote:
Hi Nate,
At 11:08 AM 10/3/2002, you wrote:
hi all,
Thanks to everyone who gave me advice on my
previous
post about images and captions. Now, I have another
tricky lil' xslt problem. If a paragraph element
contains ONLY a media element OR a media element
surrounded by a link element and nothing more
(read,
no other nodes, be they text or not), such as:
<p><img
src="http://www.mylocal.gov/images/nasausa.gif";
height="255" width="432"/></p>
I need to strip the p tags out of resulting output.
Okay. Quibbles: translated into XSL-speak, what you
want to do is process
the children of p, but not create any node for the p
itself. (XSLT doesn't
know from 'tags', it knows about nodes, meaning
things like elements and
attributes.) Also: you seem to be giving us
something different from
<Media>....
However, if it does contain other nodes, such as:
<p><img
src="http://www.mylocal.gov/images/nasausa.gif";
height="255" width="432"/>This is my news release.
The
authors will be typing the news release content in
here! I am not sure what this news release is even
about, but lets see how it comes out in XML, shall
we?
As I see it coming out as:</p>
I need to leave it alone.
Could your problem be restated fairly as "if there's
any text content in
the paragraph, I need a paragraph in my output to
wrap it, otherwise not"?
If so, you could do:
<xsl:template match="p">
<xsl:choose>
<xsl:when test="normalize-space(.)">
<!-- this tests true if the paragraph has any
string value
at all after whitespace normalization.
This only occurs
if the paragraph or any of its
descendants has non-whitespace
text content -->
<p>
<xsl:apply-templates/>
</p>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
This could also be expressed as two simpler
templates:
<xsl:template match="p">
<p>
<xsl:apply-templates/>
</p>
</xsl:template>
<xsl:template match="p[not(normalize-space(.))]">
<xsl:apply-templates/>
</xsl:template>
Here, the first template serves as a default, and
the second one fires
whenever it matches but not otherwise (it has a
higher priority since its
match is more complex).
If your logic is more complex than what I'm
inferring (e.g. if it is
actually more dependent on the actual type of nodes
you have down there,
Media or whatever) you need to do something closer
to what you already
have. Refine the logic of your requirement and you
can refine the code....
Cheers,
Wendell
Here is what I have so far. It only looks to see if
a
media element or a media element wrapped by a link
element exists, but does not consider if there is a
text node after a media or link element.
<xsl:template match="p">
<xsl:choose>
<xsl:when
test="((descendant::*[1])[self::Link] and
(descendant::*[2])[self::Media]) or
(descendant::*[1])[self::Media]"><xsl:apply-templates
/></xsl:when>
<xsl:otherwise><p><xsl:apply-templates
/></p></xsl:otherwise>
</xsl:choose>
</xsl:template>
======================================================================
Wendell Piez
mailto:wapiez(_at_)mulberrytech(_dot_)com
Mulberry Technologies, Inc.
http://www.mulberrytech.com
17 West Jefferson Street Direct
Phone: 301/315-9635
Suite 207
Phone: 301/315-9631
Rockville, MD 20850
Fax: 301/315-8285
----------------------------------------------------------------------
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in SGML and XML
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![http://www.mylocal.gov/images/nasausa.gif"](http://www.mylocal.gov/images/nasausa.gif"){kind=link}