[DFDL-WG] Issue 140 spinoff - proposed revised grammar
Mike Beckerle
mbeckerle.dfdl at gmail.com
Mon Nov 19 16:47:35 EST 2012
Minor tweak/update - missing matching "]" in one production.
version 008 attached.
On Fri, Aug 10, 2012 at 10:37 AM, Steve Hanson <smh at uk.ibm.com> wrote:
> Mike this looks good to me. I will incorporate it into errata v011.
>
> Regards
>
> Steve Hanson
> Architect, Data Format Description Language (DFDL)
> Co-Chair, *OGF DFDL Working Group* <http://www.ogf.org/dfdl/>
> IBM SWG, Hursley, UK*
> **smh at uk.ibm.com* <smh at uk.ibm.com>
> tel:+44-1962-815848
>
>
>
> From: Mike Beckerle <mbeckerle.dfdl at gmail.com>
> To: Steve Hanson/UK/IBM at IBMGB
> Cc: dfdl-wg at ogf.org
> Date: 07/08/2012 16:22
> Subject: Re: [DFDL-WG] Issue 140 spinoff - proposed revised grammar
> ------------------------------
>
>
>
>
> Small revision to consolidate Simple and Complex absent rep.
>
> On Wed, Aug 1, 2012 at 5:17 AM, Steve Hanson <*smh at uk.ibm.com*<smh at uk.ibm.com>>
> wrote:
> Hi Mike
>
> Your changes look good.
>
> Re your TBD. I don't mind whether we collapse ComplexAbsentElementRep and
> SimpleAbsentElementRep into a single term AbsentElementRep.
>
> Regards
>
> Steve Hanson
> Architect, Data Format Description Language (DFDL)
> Co-Chair, *OGF DFDL Working Group* <http://www.ogf.org/dfdl/>
> IBM SWG, Hursley, UK*
> **smh at uk.ibm.com* <smh at uk.ibm.com>
> tel:*+44-1962-815848* <%2B44-1962-815848>
>
>
>
> From: Mike Beckerle <*mbeckerle.dfdl at gmail.com*<mbeckerle.dfdl at gmail.com>
> >
> To: *dfdl-wg at ogf.org* <dfdl-wg at ogf.org>
> Date: 31/07/2012 22:22
> Subject: Re: [DFDL-WG] Issue 140 spinoff - proposed revised grammar
> Sent by: *dfdl-wg-bounces at ogf.org* <dfdl-wg-bounces at ogf.org>
> ------------------------------
>
>
>
>
>
> I've attached version 006. I added an important top-level distinction.
> Only "enclosed" elements can be absent. A top level document element cannot
> be absent.
>
>
>
> On Tue, Jul 31, 2012 at 11:33 AM, Mike Beckerle <*mbeckerle.dfdl at gmail.com
> * <mbeckerle.dfdl at gmail.com>> wrote:
> Attached revised grammar 005 - proposed as "to become an errata".
>
>
>
>
> On Mon, Jul 30, 2012 at 6:29 AM, Steve Hanson <*smh at uk.ibm.com*<smh at uk.ibm.com>>
> wrote:
> A couple of further revisions.
>
>
>
> Regards
>
> Steve Hanson
> Architect, Data Format Description Language (DFDL)
> Co-Chair, *OGF DFDL Working Group* <http://www.ogf.org/dfdl/>
> IBM SWG, Hursley, UK*
> **smh at uk.ibm.com* <smh at uk.ibm.com>
> tel:*+44-1962-815848* <%2B44-1962-815848>
>
>
>
> From: Mike Beckerle <*mbeckerle.dfdl at gmail.com*<mbeckerle.dfdl at gmail.com>
> >
> To: Steve Hanson/UK/IBM at IBMGB
> Cc: Tim Kimber/UK/IBM at IBMGB
> Date: 25/07/2012 16:49
> Subject: Re: Issue 140 spinoff - proposed revised grammar
> ------------------------------
>
>
>
> Revised per call today. For your consideration.
>
> ...mikeb
>
> On Wed, Jul 11, 2012 at 7:39 AM, Steve Hanson <*smh at uk.ibm.com*<smh at uk.ibm.com>>
> wrote:
> I've made some updates which I think solves the complex empty issue, ties
> the grammar more closely to the action 140 rep definitions, and addresses
> Tim's content v value distinction.
>
> Let me know what you think.
>
>
>
> Regards
>
> Steve Hanson
> Architect, Data Format Description Language (DFDL)
> Co-Chair, *OGF DFDL Working Group* <http://www.ogf.org/dfdl/>
> IBM SWG, Hursley, UK*
> **smh at uk.ibm.com* <smh at uk.ibm.com>
> tel:*+44-1962-815848* <%2B44-1962-815848>
>
>
>
> From: Mike Beckerle <*mbeckerle.dfdl at gmail.com*<mbeckerle.dfdl at gmail.com>
> >
> To: Steve Hanson/UK/IBM at IBMGB, Tim Kimber/UK/IBM at IBMGB
> Date: 10/07/2012 16:25
> Subject: Re: Issue 140 spinoff - proposed revised grammar
> ------------------------------
>
>
>
>
> Accept-all-changes on that document before you try to read it. Or use the
> attached.
>
> On Tue, Jul 10, 2012 at 11:19 AM, Mike Beckerle <*mbeckerle.dfdl at gmail.com
> * <mbeckerle.dfdl at gmail.com>> wrote:
> I took a crack at revising the grammar to something more accurate, more
> useful. It's bigger, but not 3 times as big.
>
> I like it, but then I'm an implementor, not a user of this spec trying to
> devise a schema. Our audience is both however.
>
> I am curious what you think.
>
> One thing it cannot capture is the complexity of complex empty's, i.e.,
> the fact that a complex empty requires one to sometimes descend recursively
> first, and then check for empty. From the grammar you would think you can
> always check for this first.
>
> Fact is, you have to descend recursively in order to pop back up, and have
> the representation be found to match what I call EmptyElement. But the
> grammar can't show that. (well, maybe it could... I'll think about that
> further.)
>
> ...mike
>
> --
> Mike Beckerle | OGF DFDL WG Co-Chair
> Tel: *781-330-0412* <781-330-0412>
>
>
>
>
> --
> Mike Beckerle | OGF DFDL WG Co-Chair
> Tel: *781-330-0412* <781-330-0412>
> [attachment "grammar-revision.docx" deleted by Steve Hanson/UK/IBM]
>
> Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number
> 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>
>
>
> --
> Mike Beckerle | OGF DFDL WG Co-Chair
> Tel: *781-330-0412* <781-330-0412>
> [attachment "grammar-revision-003.doc" deleted by Steve Hanson/UK/IBM]
>
> Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number
> 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>
>
>
> --
> Mike Beckerle | OGF DFDL WG Co-Chair
> Tel: *781-330-0412* <781-330-0412>
>
>
>
>
> --
> Mike Beckerle | OGF DFDL WG Co-Chair
> Tel: *781-330-0412* <781-330-0412>
> --
> dfdl-wg mailing list
> *dfdl-wg at ogf.org* <dfdl-wg at ogf.org>
> *https://www.ogf.org/mailman/listinfo/dfdl-wg*<https://www.ogf.org/mailman/listinfo/dfdl-wg>
>
> Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number
> 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>
>
>
> --
> Mike Beckerle | OGF DFDL WG Co-Chair
> Tel: 781-330-0412
>
>
> Unless stated otherwise above:
> IBM United Kingdom Limited - Registered in England and Wales with number
> 741598.
> Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>
--
Mike Beckerle | OGF DFDL WG Co-Chair
Tel: 781-330-0412
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