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Le lundi 16 janvier 2006 à 12:35 -0500, Brian J Gentry a écrit :
>
> Hello,
> I have a schema that needs to require 1 of 2 elements, but
> also allow for both of them. So if the elements are A & B, then A
> alone is valid, B alone is valid, A & B are valid, but ~A & ~B is
> invalid.
>
> I tried the following..
>
> <xs:choice>
> <xs:sequence>
> <xs:elementname="A"minOccurs="1"/>
> <xs:elementname="B"minOccurs="0"/>
> </xs:sequence>
> <xs:sequence>
> <xs:elementname="A"minOccurs="0"/>
> <xs:elementname="B"minOccurs="1"/>
> </xs:sequence>
> </xs:choice>
>
> But this is not working as it makes the model non-deterministic. Is
> there a way to solve this?
What about:
<xs:choice>
<xs:sequence>
<xs:elementname="A"minOccurs="1"/>
<xs:elementname="B"minOccurs="0"/>
</xs:sequence>
<xs:sequence>
<xs:elementname="B"minOccurs="1"/>
</xs:sequence>
</xs:choice>
???
Eric
--
Did you know it? Python has now a Relax NG (partial) implementation.
http://advogato.org/proj/xvif/
------------------------------------------------------------------------
Eric van der Vlist http://xmlfr.org http://dyomedea.com
(ISO) RELAX NG ISBN:0-596-00421-4 http://oreilly.com/catalog/relax
(W3C) XML Schema ISBN:0-596-00252-1 http://oreilly.com/catalog/xmlschema
------------------------------------------------------------------------
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