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> I have a question I am banging my head against.
> (etc)
> The special thing is that the potential number of ...
> (etc)
Hmm, try this: http://media.vermotion.com/media/4235/prodimages/Advil.jpg
then this: http://www.zvon.org/xxl/XMLSchemaTutorial/Output/ser_substitution_st0.html
Good luck,
Chris
-----Original Message-----
From: Christian Sell [mailto:christian.sell@netcologne.de]
Sent: Friday, March 07, 2003 10:19 AM
To: xml-dev@lists.xml.org
Subject: [xml-dev] dynamically extensible schema
Hello,
I have a question I am banging my head against. I am looking for a way
to validate instances like the following:
<?xml version="1.0" encoding="UTF-8"?>
<dtw xmlns="core" xmlns:ext="extended">
<echo message="this is a message"/>
<ext:echo/>
</dtw>
The special thing is that the potential number of namespaces/schemas
appearing in instances (beyond the core schema) is undetermined, and I
therefore do not want to include a reference to the "extended" schema(s)
inside the "core" schema. Instead, I would like to have a definition in
the core schema that says something like:
"after the echo element, let there follow any number of elements from
any namespace whose type extends the type XY" (where XY would also be
defined in the core schema).
The only meachnism that I found in XML schema that comes close is the
xsd:any element, but that does not alow me to specify the derivation
constraint I mentioned above.
Does anyone have a hint?
thanks,
Christian
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