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I agree that directly processing XSD syntax representation is tricky and complicated, and the alternative approach that introduces intermediate representation such as the schema component model might be easier. However, I have not been convinced that this is too complicated to do. I found it's a rather intriguing practice. Of course, any solid evidences, detailed advices would be greatly appreciated! I also think the restriction referred here should be able to be removed by using the path to an instance node (instead of merely an instance node) as a parameter. Lisa -----Original Message----- From: Michael Kay [mailto:mike@s...] Sent: Friday, August 13, 2010 10:39 AM To: xml-dev@l... Subject: Re: Getting XSD annotation from matched element On 13/08/2010 17:56, Xia Li wrote: > You might take a look at this XSLT function library provided with this > article, > > http://www.ibm.com/developerworks/library/x-schemanode/ > > You will find a set of XSLT functions that would allow you to locate the > schema component (the element declaration/type definition) for a given > instance node. > > Lisa > > That's an amazingly ambitious library, thanks for the reference! Unfortunately code that works directly from schema documents is usually wrong, at least in the sense that it cannot process arbitrary valid schemas. For example, the following restriction is documented, and rules out many real schemas: "The constraint of this algorithm is that a local element is not allowed to be declared with the same name of a global element." Michael Kay Saxonica _______________________________________________________________________ XML-DEV is a publicly archived, unmoderated list hosted by OASIS to support XML implementation and development. To minimize spam in the archives, you must subscribe before posting. [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ Or unsubscribe: xml-dev-unsubscribe@l... subscribe: xml-dev-subscribe@l... List archive: http://lists.xml.org/archives/xml-dev/ List Guidelines: http://www.oasis-open.org/maillists/guidelines.php
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