Re: [xsl] Writing a stylesheet to create a stylesheet, with XSLT in the XML

[Mike Brown <mike@xxxxxxxx>]

Scott Moore wrote:
> <Sections label="&lt;xsl:value-of select=&quot;/Doc/FirstName&quot;/&gt;"/>
> 
> Okay, let me try again.  The above snippet is in my XML file.

Why?

I'm asking rhetorically; it's generally a bad idea to try to embed
markup as character data, and then expect it to be markup upon output.

>  I want to
> process the <Sections> node and basically do this in my stylesheet:
> 
> <xsl:value-of select="@label"/>
> 
> Unfortunately, that produces the following in the result tree:
> 
> &lt;xsl:value-of select=&quot;/Doc/FirstName&quot;/&gt;

Ah, but it doesn't. It produces in the result *tree* a single text node
containing the pseudo-markup
    < x s l : v a l u e - o f
and so on, with spaces added to emphasize that it's character data.

If you intend to produce <xsl:value-of...> in the *serialization*
of the result tree, then you must have not a text node but an element node 
with this structure:

  element named 'value-of' in namespace 'http://www.w3.org/1999/XSL/Transform'
       \___attribute 'select' with value '/Doc/FirstName'

So, why not have

  <Sections>
    <label>
      <xsl:value-of select="/Doc/FirstName"/>
    </label>
  </Sections>

and then <xsl:copy-of select="label/*"/> ?
(Don't forget to declare the xsl prefix in the source as well)

> <xsl:text disable-output-escaping="yes"><xsl:value-of
> select="@label"/></xsl:text>
> 
> BUT, the above is an error.  You apparently cannot place an <xsl:value-of/>
> inside of a <xsl:text/> element. 

xsl:text and xsl:value-of do exactly the same thing. They create a text node
in the result tree. The character data encapsulated by the text node is going
to be the content of xsl:text element, or the result of evaluating the XPath 
expression given in the select attribute of the xsl:value-of.

On either element, you can use disable-output-escaping="yes", but of course
it's not portable and not recommended, blah blah etc.

   - Mike
____________________________________________________________________________
  mike j. brown                   |  xml/xslt: http://skew.org/xml/
  denver/boulder, colorado, usa   |  resume: http://skew.org/~mike/resume/

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