W3C home > Mailing lists > Public > public-rdf-in-xhtml-tf@w3.org > April 2005

Re: GRDDL implementation in Raptor

From: Dave Beckett <dave.beckett@bristol.ac.uk>
Date: Wed, 6 Apr 2005 11:49:01 +0100
To: "Ralph R. Swick" <swick@w3.org>
Cc: public-rdf-in-xhtml-tf@w3.org
Message-ID: <20050406114901.44a08653@hoth.ilrt.bris.ac.uk>

On Tue, 05 Apr 2005 09:55:50 -0400, "Ralph R. Swick" <swick@w3.org> wrote:


> How robust do you think this particular pipeline implementation is?
> E.g. (as I'm not intimately familiar with libxslt), if the transformation
> URIs do not resolve to documents whose root element is in the
> http://www.w3.org/1999/XSL/Transform namespace -- or even worse,
> do not resolve to XML documents -- what are the failure modes?

I'm confident it's not very robust at all. I'm trapping most of the
www errors (dns, uri not found etc), xml, xpath, xslt and rdf/xml
level errors but I don't test that the transform document is xslt at
the root before trying to apply it. It's a good idea.

> http://www.w3.org/2004/01/rdxh/spec says ($Date: 2005/03/25 23:03:14 $)
> "Transformation algorithms should be represented in XSLT... Other
> representations may be used by prior agreement of all concerned parties."
> so implementations have to expect that random bags of octets might be
> found at those transformation URIs.


Received on Wednesday, 6 April 2005 10:50:02 UTC

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