Mike - the chain can be arbitrarily deep because of simple type
inheritance. Any DFDL processor / editor will have to be clever enough
to keep track of the xsd where a given property value was sourced from.
Alan - some more comments, to get wording clear and ensure that all cases
are covered.
Regards
Steve Hanson
Programming Model Architect, WebSphere Message Brokers,
OGF DFDL WG Co-Chair,
Hursley, UK,
Internet: smh@uk.ibm.com,
Phone (+44)/(0) 1962-815848
----- Forwarded by Steve Hanson/UK/IBM on 14/10/2009 11:41 -----
From:
Alan Powell/UK/IBM@IBMGB
To:
dfdl-wg@ogf.org
Date:
14/10/2009 11:13
Subject:
[DFDL-WG] Fw: Scoping Rules with Schema default
Sent by:
dfdl-wg-bounces@ogf.org
Alan Powell
MP 211, IBM UK Labs, Hursley, Winchester, SO21 2JN, England
Notes Id: Alan Powell/UK/IBM email: alan_powell@uk.ibm.com
Tel: +44 (0)1962 815073 Fax: +44 (0)1962 816898
----- Forwarded by Alan Powell/UK/IBM on 14/10/2009 11:12 -----
From:
Mike Beckerle
To:
Alan Powell/UK/IBM@IBMGB
Date:
13/10/2009 17:47
Subject:
Re: [DFDL-WG] Scoping Rules with Schema default
Looks correct.
My comments added plus fixes to a couple typos.
One item of substance.
Suppose schema 1 contains an element reference to an element declaration
in schema 2, which references a simple type defined in schema 3.
Then defaults for that type can come from 3 different places. Schema 3's
defaults have priority over schema 2's defaults, which have priority over
schema 1's defaults.
Local property annotations can similarly come from all 3 places and must
be non-overlapping/disjoint over all 3.
This 3-deep chain may go unnoticed.
On Tue, Oct 13, 2009 at 11:21 AM, Alan Powell
wrote:
I have written up the new rules for scoping in the attached document for
discussion on this weeks call.
I have also updated and extended Suman's examples. Note that he dfdl
properties aren't necessarily correct for the construct and are only used
to indicate where they came from. I have not yet extended to multiple
schema.
Alan Powell
MP 211, IBM UK Labs, Hursley, Winchester, SO21 2JN, England
Notes Id: Alan Powell/UK/IBM email: alan_powell@uk.ibm.com
Tel: +44 (0)1962 815073 Fax: +44 (0)1962 816898
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