• To: "'Dmitry Epstein'" <mitia@n...>,<xml-dev@l...>
• Subject: RE: Schema constraints from a different file?
• From: "Michael Kay" <mike@s...>
• Date: Sat, 22 Oct 2005 10:24:14 +0100
• In-reply-to: <6.1.0.6.2.20051022014743.01a27a10@c...>
• Thread-index: AcXW1U9+uUkAtQiSTJO5oPyYqHMIpwAFNp1Q

> 
> Basically, I would like to develop schemas that impose
> constraints on an element or attribute in one XML file based on
> element or attribute values from another XML file.  Is this at
> all possible?  I would consider making a file containing just a
> list of all available item IDs, if that would help solve the
> problem.

This can't be done directly: schema validation is confined to a single
document. The only thing you can do is write a transformation that
constructs a synthetic document and validate that; but then you might as
well do the validation within the stylesheet that performs the
transformation.

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

• References:
  • Schema constraints from a different file?
    • From: Dmitry Epstein <mitia@n...>

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