[DAS2] Progress on XML Schema version of DAS/2.0

[Helt,Gregg]

I've checked in an XML-Schema translation of the das2_schemas.rnc doc in
the biodas CVS repository as das2_schemas.xsd
(http://cvs.biodas.org/cgi-bin/viewcvs/viewcvs.cgi/das/das2/das2_schemas
.xsd?rev=HEAD&cvsroot=biodas).  I still have some concerns about how it
will handle non-DAS extensions, and I also need to add back in some of
the comments from the rnc doc.  But I have tested that I can generate
Java bindings from the XSD using Apache XMLBeans.  To get that to work I
also had to remove use of "xml:id" for now, it was causing XMLBeans to
throw errors.

	Gregg

> -----Original Message-----
> From: das2-bounces at lists.open-bio.org [mailto:das2-bounces at lists.open-
> bio.org] On Behalf Of Helt,Gregg
> Sent: Friday, November 10, 2006 7:40 AM
> To: DAS/2 Discussion
> Subject: [DAS2] Progress on XML Schema version of DAS/2.0
> 
> I'm working on an XML Schema version of the DAS/2.0 schema.  I used
the
> Trang schema tool to automatically convert the RelaxNG schema to an
XSD
> doc.  This has provided a good skeleton to start with, but it looks
like
> there are a number of issues I'll have to fix by hand.  There are many
> places where the XSD specifies ordered sequences of elements where
there
> shouldn't be any ordering restrictions.  Also the way Trang translated
> the idea of non-DAS extensions is messy.  And a lot of comments got
lost
> in translation.  None of these issues look too problematic.  I expect
> more problems will come up, but I am making progress.
> 
>             Gregg
> 
> 
> 
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