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Richard Suggs

Subject: Validating different sets of required attributes in an XML schema.
Author: Richard Suggs
Date: 29 Oct 2010 09:55 AM

My requirement is to validate an xml with two different validation strategies. In strategy 1, the xml is required to have instances of an element with certain required attributes. In strategy 2, the xml is required to have instances of the same element with different required attributes. So, the idea is that there are two different sets of the same element with different set of required attributes for each set. Is there a way to validate this with using only one xsd. My only solution so far is to use two different xsd files to validate. Thank you.

Ivan Pedruzzi

Subject: Validating different sets of required attributes in an XML schema.
Author: Ivan Pedruzzi
Date: 01 Nov 2010 11:22 PM

Hi Richard,

XSD doesn't allow to express such construct.

What is the discriminant that determines which content model to use?

If what you are trying to validate is relatively simple I would use XQuery or XSLT to assert XPath expressions.

Ivan

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