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RE: RE: [xsl] Producing Excel 2000 htm files: how do I manage the hidden stuff

2006-05-02 10:51:57
Given the need to create this horrible format, one way around it is to use
character maps (or even d-o-e) to create the start and end comment
delimiters. That way, the serializer doesn't know you're in the middle of a
comment, so it will output elements as if they were regular elements.

Another way is to output the comment as an element <comment>...</comment>
and then postprocess with a text editor:

s|<comment>|<!--|
s|</comment>|-->|

Michael Kay
http://www.saxonica.com/ 

-----Original Message-----
From: Jon Gorman [mailto:jonathan(_dot_)gorman(_at_)gmail(_dot_)com] 
Sent: 02 May 2006 18:39
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: RE: [xsl] Producing Excel 2000 htm files: how do 
I manage the hidden stuff

On 5/2/06, cknell(_at_)onebox(_dot_)com <cknell(_at_)onebox(_dot_)com> wrote:
The direct answer is, "Because I didn't think of it." 
Having now tried it, I can tell you that it strips away all 
the XML markup from the document, leaving only the element contents.

It creates an comment, just like xsl:element.  The content of 
the comment are determined by what the xsl:comment element contains. 
Remember that a comment doesn't contain markup (since it is 
after all, just text).  So when you have a element somewhere 
in the template, it returns just the text value.  (Just as if 
you evaluated an element as a string elsewhere in XSLT).

If you want to complate the sin of inserting functionality in 
a non-functional part of the xml document, you'll need to 
tell it what text you want to output (ie the "looks like 
markup" but is not).

So one possible way of doing this would be something like:

 <xsl:template match="*" mode="insideComment">
     <xsl:text>&lt;</xsl:text><xsl:value-of select="name(.)"
/><xsl:text>&gt;</xsl:text>
<xsl:apply-templates />
<xsl:text>&lt;/</xsl:text><xsl:value-of select="name(.)"
/><xsl:text>&gt;</xsl:text>
   </xsl:template>



Of course, I wonder more:
1) Why not just do it in the Excel xml format if your target 
is Excel 2000.  I thought that was more well supported and 
documented for the 2000 version?

2) Why not use some other XML techniques (SAX or DOM) or 
libraries in conjunction with XSLT to produce an Excel 
binary?  This is an approach I find myself taking, but mostly 
because of a mixed user base who might be still using 
versions of Excel earlier than 2000.

Jon Gorman

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