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RE : Re: RE : Text or tags choice with XSD

• To: 'Chiusano Joseph' <chiusano_joseph@b...>, Dare Obasanjo <dareo@m...>
• Subject: RE : Re: RE : Text or tags choice with XSD
• From: GARNIER Pierre <pgarnier@m...>
• Date: Tue, 9 Sep 2003 16:26:23 +0100
• Cc: xml-dev@l...

Hum hum.
Is the only solution that <time> element have a mixed content?
This is much more permissive.
Is it possible to have, for example, an "integer" content mixed with sub
elements?


-----Message d'origine-----
De : Chiusano Joseph [mailto:chiusano_joseph@b...] 
Envoyé : mardi 9 septembre 2003 15:15
À : Dare Obasanjo
Cc : GARNIER Pierre; xml-dev@l...
Objet : Re:  Re: RE :  Text or tags choice with XSD


<Quote>
such content models are not describable with W3C XML Schema. 
</Quote>

I see...the original example below cannot have a base type from which a
derived type is created, because of the how the 2 content models are
represented. Is that what you're driving at?

Kind Regards,
Joe Chiusano
Booz | Allen | Hamilton

Dare Obasanjo wrote:
> 
> 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@b...]
> Sent: Tue 9/9/2003 6:44 AM
> To: GARNIER Pierre
> Cc: 'xml-dev@l...'
> Subject:  Re: RE :  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#Uni
> > > onDt
> > >
> > > 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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