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RE: [xsd-dev] XML instance
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Mihnea,
The XSD model would definitely be very helpful for implementing this type
of thing. I would imagine that you would want to start with the set of
global elements as the possible roots, and then to look at each element's
type to determine if it is a complex type with complex content (and hence
allows child elements). For each such element with complex content, you
would want to recursively visit the elements in the complex content. For
completeness, you might/probably need to take substitution groups into
account, i.e., XSDElementDeclaration.getSubstitutionGroup(), since this
represent and implicit choice in the content model. The use of xsi:type can
also allow for content that isn't "expected", but I'm not sure how this
should be taken into account. Note that this type of tree walk may well be
recursive and non-terminating, i.e., the deepest possible XML may be
infinitely deep...
BTW, issues like this are better discussed on the newsgroup so that a
broader audience is likely to help with answers and so that more folks will
benefit from the answers:
news://news.eclipse.org/eclipse.technology.xsd
Ed Merks/Toronto/IBM@IBMCA
mailto: merks@xxxxxxxxxx
905-413-3265 (t/l 969)
"Mihnea
Galeteanu" To: <xsd-dev@xxxxxxxxxxx>
<mgaleteanu@freeb cc:
alance.com> Subject: RE: [xsd-dev] XML instance
Sent by:
xsd-dev-admin@ecl
ipse.org
06/26/2003 12:43
PM
Please respond to
xsd-dev
I'm trying to implement an algorithm that will find the root of the deepest
possible xml tree instance based on a specific schema. Basically, I'm
trying to generate an instace that will contain all the possible
elements/attributes allowed for the schema...any ideas on how to achieve
this?
-----Original Message-----
From: Ed Merks [mailto:merks@xxxxxxxxxx]
Sent: Wednesday, June 25, 2003 8:25 AM
To: xsd-dev@xxxxxxxxxxx
Cc: xsd-dev@xxxxxxxxxxx; xsd-dev-admin@xxxxxxxxxxx
Subject: Re: [xsd-dev] XML instance
Mihnea,
We haven't implemented instance generation as part of the XSD code base,
but it could certainly be implemented using the XSD model. But you
probably want something that works out of the box. I tried looking at
alphaworks, but I didn't see anything obvious there:
http://www.alphaworks.ibm.com/xml
I'm not sure where else you could search...
I've blind copied someone who may have a better answer.
Ed Merks/Toronto/IBM@IBMCA
mailto: merks@xxxxxxxxxx
905-413-3265 (t/l 969)
"Mihnea
Galeteanu" To:
<xsd-dev@xxxxxxxxxxx>
<mgaleteanu@freeb cc:
alance.com> Subject: [xsd-dev] XML
instance
Sent by:
xsd-dev-admin@ecl
ipse.org
06/24/2003 10:33
AM
Please respond to
xsd-dev
Hi,
Is there a way to get an XML Instance from a schema using the XSD Plugin?
Thanks,
Mihnea Galeteanu
Software developer co-op, Research and Development
FreeBalance Inc.
www.FreeBalance.com
T (613) 236-5150 ext.375
F (613) 236-8405
mgaleteanu@xxxxxxxxxxxxxxx
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