How to get the definition from an validated instance?

[we...@timeinc.com]

Sorry in advance if this is not the right list...
 
I wish to parse and validate an instance document against a XML-Schema
definition, but in addition to grabbing and using the PSVI material, I
would like to examine the contents of the validating component in the
definition for further processing.  This extra material associated with
the validating component is namespaced, for example:
 
<xs:schema 
    targetNamespace="http://test"
    xmlns:test="http://test"
    xmlns:xs="http://www.w3.org/2001/XMLSchema
<http://www.w3.org/2001/XMLSchema> " 
    xmlns:xlink="http://xlink/schema" >   
 
    <xs:element name="myTest" id="identity123"
xlink:href="http://link/to/further/documentation" type="xs:string" />
 
</xs:schema>
 
Specifically, I have an XNI component pipelined to follow the
SchemaValidator, and while I can get at the PSVI housed in the
Augmentations from the 'streaming infoset', I am not able to see the
entire content model of the definition.  
 
I have tried to get to both the 'id' attribute and the 'xlink:href'
attribute from the ElementPSVI's XSElementDeclaration object and even
explored a bit into the associated type definition objects, but no
avail.  How can I get to the underlying definition from within XNI?
 
Thanks!
 
Webster Mudge
Senior Systems Developer
Internet Technology Group
webster_mudge@NO.SPAM.timeinc.com
<ma...@NO.SPAM.timeinc.com> 
 

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