- From: Martin J. Duerst <duerst@w3.org>
- Date: Wed, 11 Oct 2000 20:33:36 +0900
- To: Eric van der Vlist <vdv@dyomedea.com>, Miloslav Nic <nicmila@idoox.com>
- Cc: "xmlschema-dev@w3.org" <xmlschema-dev@w3.org>
Probably what Nic wants is something like > > <xsd:element name="XXX"> > > <xsd:complexType> > > <xsd:all> > > <xsd:element name="aaa" maxOccurs="2"/> > > <xsd:element name="bbb" maxOccurs="2"/> > > </xsd:any> > > </xsd:complexType> > > </xsd:element> which is currently impossible because xsd:all only allows maxOccurs up to 1. It would be rather easy to extend that, though. Regards, Martin. At 00/10/11 13:06 +0200, Eric van der Vlist wrote: >Hi Nic, > >xsd:any is a very specific beast: > >"In general, an any element specifies that any well-formed XML is >permissible in a type's content model" > >and it doesn't accept xsd:element as its content. > >My understanding is that you have to use a combinaison of the 3 >following elements to try to achieve what you want here: > >xsd:sequence (imposing an order for your elements). >xsd:choice (one of the items only) >xsd:all (several restrictions such as maxOccurs for each of the elements >can only be <= 1). > >I may have missed something (I hope so ;) but I don't see how you can >achieve declaring (at least in an extensible way) that both aaa and bbb >have to be present between 0 to 2 times in any order with the current >draft ! > >The only way I can think of is a xsd:choice between a xsd:sequence for >each combinaison. > >Hope this helps. > >Eric > >Miloslav Nic wrote: > > > > In my understanding, if I use: > > > > <xsd:element name="XXX"> > > <xsd:complexType> > > <xsd:any> > > <xsd:element name="aaa" maxOccurs="2"/> > > <xsd:element name="bbb" maxOccurs="2"/> > > </xsd:any> > > </xsd:complexType> > > </xsd:element> > > > > Then this xml file vould be schema valid: > > > > <XXX> > > <aaa/> > > <bbb/> > > <aaa/> > > <bbb/> > > </XXX> > > > > Am I correct? > > > > -- > > ****************************************** > > <firstName> Miloslav </firstName> > > <surname> Nic </surname> > > > > <mail> nicmila@idoox.com </mail> > > <support> http://www.zvon.org </support> > > <zvonMailingList> > > http://www.zvon.org/index.php?nav_id=4 > > </zvonMailingList> > >-- >------------------------------------------------------------------------ >Eric van der Vlist Dyomedea http://dyomedea.com >http://xmlfr.org http://4xt.org http://ducotede.com >------------------------------------------------------------------------
Received on Wednesday, 11 October 2000 07:33:05 UTC