I have a question concerning the use of fn:document in XSL 2.0 using
Saxon 8
I have an xml document with an xsl style sheet processing directive
that calls a working style sheet. What I thought I could do to
embellish the document under certain circumstances is include this
document from another document by specifying an extension attribute
that uses fn:document to include the subdocument. The embellishment
simply sets up a key that, if it had been defined in the subdocument,
would be generated perfectly well. (This is rather like extending a
base class in OOP).
What happens is that the subdocument is generated as expected but the
key has not been passed.
So the issue, I suspected, is that the processing directive in the
subdocument (that in fact calls the same style sheet) reinitializes
either the key or the style sheet processor. This implies that the
question I should ask is: can I include a document that I want to
parse and ask the style sheet processor to ignore any processing
directives? So obviously I removed the processing directive but it
made no difference.
So we have something like this:
== top.xml ==
<?xml-stylesheet type="text/xsl"href="oxygen:/eXist$memeio-exist/db/
memeio/xml/form.xsl"?>
<document extends="document.xml">
<embellishment type="sidebar">
<p>The boy stood on the burning deck ...</p>
</embellishment>
</document>
== document.xml ==
<?xml-stylesheet type="text/xsl"href="oxygen:/eXist$memeio-exist/db/
memeio/xml/form.xsl"?>
<document>
<embellishment type="overlay">
<p>... picking his nose like mad.</p>
</embellishment>
<!-- the xml that defines the document -->
</document>
== form.xml includes:
<xsl:key match="embellishment" name="embellishment" use="@type"/>
and, of course, it knows what to do with these keys as the document
is generated. This all works for the non-extended case.
I know that there are other ways to do this and different ways to
structure the document but I am looking for a simple way to extend
existing documents in the current style sheet structure.
Thanks,
Steven
--
Dr. Steven Ericsson-Zenith
Institute for Advanced Science & Engineering
http://iase.info
http://senses.info
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