Re: [xml-dev] Question on using xs:pattern to restrict xs:dateTime

[ht@cogsci.ed.ac.uk (Henry S. Thompson)]

"Dare Obasanjo" <kpako@yahoo.com> writes:

> Is this a valid schema
> 
> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema";>
> <xsd:simpleType name="myTimeType">
>       <xsd:restriction base="xsd:dateTime">
>         <xsd:pattern value="\d\d:\d\d(:\d\d)?" />
>          <xsd:whiteSpace value="collapse" />
>       </xsd:restriction>
> </xsd:simpleType>
> </xsd:schema>

I don't think so -- \d is not a valid W3C XML Schema pattern regexp
component, on my reading of the REC.

> and if so why? If not, is there any validating parser that will give an error
> message on validating it.

Sorry, XSV doesn't touch the pattern facet at all

> PS: XSV doesn't complain when the value of whiteSpace is set to "preserve"
> which I assume is a bug

That is indeed a bug, I'll put it on the list.

ht
-- 
  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2001, part-time member of W3C Team
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