RE: ?XSL & XML inside one file

[Jeni Tennison <jeni@xxxxxxxxxxxxxxxx>]

Serg,

>Is it possible to write XML and XSL stylesheet not in different files
>but in one?

This is covered in the XSLT Recommendation at
http://www.w3.org/TR/xslt#section-Embedding-Stylesheets.  You can embed a
stylesheet within an XML document, but you still need to use the
xml-stylesheet processing instruction to *use* it for that document.

Here is a skeletal XML document with an embedded stylesheet that you can
expand:

<?xml version="1.0"?>
<?xml-stylesheet type="text/xml" href="#stylesheet"?>
<!DOCTYPE doc [
<!ATTLIST xsl:stylesheet
  id	ID	#REQUIRED>
]>
<doc>
<xsl:stylesheet id="stylesheet"
                version="1.0"
                xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
  <!-- any xsl:import elements -->
  <xsl:template match="xsl:stylesheet" />
  <!-- rest of your stylesheet -->
</xsl:stylesheet>

<!-- rest of your XML document -->

</doc>

There are two things particularly of note.

Firstly, you have to have a DTD that defines the xsl:stylesheet element as
having an 'id' attribute of type ID - otherwise the 'href' pseudo-attribute
in the xml-stylesheet processing instruction won't be able to find the
stylesheet.

Secondly, you should almost certainly have a template matching
xsl:stylesheet that does nothing so that the stylesheet is ignored when it
runs - otherwise it will try to run on itself.

I hope this helps,

Jeni

Dr Jeni Tennison
Epistemics Ltd * Strelley Hall * Nottingham * NG8 6PE
tel: 0115 906 1301 * fax: 0115 906 1304 * email: jeni.tennison@xxxxxxxxxxxxxxxx


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