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That would be a neat trick. Do you have an example of what the schema definition would be? I've always been of the impression that such content models are not describable with W3C XML Schema.
________________________________
From: Chiusano Joseph [mailto:chiusano_joseph@bah.com]
Sent: Tue 9/9/2003 6:44 AM
To: GARNIER Pierre
Cc: 'xml-dev@lists.xml.org'
Subject: [xml-dev] Re: RE : [xml-dev] Text or tags choice with XSD
Oops - I forgot about that. Then you should probably use abstract types
(see section 4.7 Abstract Elements and Types of the Schema Primer) and
use xsi:type in your instance document to define which type is being
used at runtime.
Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton
GARNIER Pierre wrote:
>
> No, union are not usable within complex types.
>
> > Pierre,
> >
> > This can be done with Union types [1].
> >
> > Kind Regards,
> > Joe Chiusano
> > Booz | Allen | Hamilton
> >
> > [1] http://www.w3.org/TR/2001/REC-xmlschema-0-20010502/primer.html#UnionDt
> >
> > GARNIER Pierre wrote:
> > >
> > > Hi,
> > >
> > > Here are two <time> elements differing only in there content :
> > >
> > > 1)
> > > <doc>
> > > <time>14:09<time>
> > > </doc>
> > >
> > > 2)
> > > <doc>
> > > <time><hour>14</hour><min>09</min></time>
> > > </doc>
> > >
> > > In an XSD schema, how to indicate that the <time> element can contain
> > > text and only text or <hour> tag followed by <min> tag?
> > >
> > > I tried with a choice group containing two <time> elements with
> > > different types but it doesn't work : it is not possible to have two
> > > elements with the same name.
> > >
> > > Thanks.
> > > Pierre.
> > >
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