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Re: [xml-dev] Any API for required/optional from an XSD?

Take for instance a content model as simple as a choice between two 

a | b

Is a required?
Is b required?

All you know if that either a or be is required.

Take another example

a, b, a?

Is a required or optional?

There is no list of required elements, you can get however the required 
content model. For example if you have a content model like

(a | b), c?

then you can extract the required content model as

a | b

Best Regards,
George Cristian Bina
<oXygen/> XML Editor, Schema Editor and XSLT Editor/Debugger

Adam Flinton wrote:
> Dear All,
> I need to interrogate/process an element within a xsd/schema & simply
> ask "what are my required child nodes (elements & attributes)" & then
> "what are my optional child nodes (elements & attributes)"
> Is there an api (preferably java) or an XSLT sheet which would provide
> this information?
> Adam
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