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Posted to general@xml.apache.org by vipin <vi...@rediffmail.com> on 2007/06/07 20:57:41 UTC

Schema definition

Hi,
 
I have a generic question regarding writing xsd for XML.
 
Is it possible to write a schema(xsd) if children of an element depends on
value of a particular attribute ?
 
for eg, if type="service" then children of  will be 
(protocal,srcport,destport,icmpType,icmpCode)            AND
          if type="device" then children of  will be   (ip,hostname,domain)   
 
           <Service>
                
                   <protocol/>
                   <srcPort/>
                   <destPort/>
                   <icmpType/>
                   <icmpCode/>
                
            <Service>
 
            <ReportingDevices>
                
                    <ip/>
                    <hostName/>
                    <domain/>
                
            </ReportingDevices>
 
Thanks,
Vipin V S.
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Re: Schema definition

Posted by Michael Glavassevich <mr...@ca.ibm.com>.
Vipin,

The only attribute in XML Schema 1.0 that can be used to do what you want 
is xsi:type.

FYI: The W3C mailing list [1] is a more appropriate list for generic 
queries such as this.

Thanks.

[1] http://lists.w3.org/Archives/Public/xmlschema-dev/

Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrglavas@ca.ibm.com
E-mail: mrglavas@apache.org

vipin <vi...@rediffmail.com> wrote on 06/07/2007 02:57:41 PM:

> Hi,
> 
> I have a generic question regarding writing xsd for XML.
> 
> Is it possible to write a schema(xsd) if children of an element depends 
on
> value of a particular attribute ?
> 
> for eg, if type="service" then children of  will be 
> (protocal,srcport,destport,icmpType,icmpCode)            AND
>           if type="device" then children of  will be 
(ip,hostname,domain) 
> 
>            <Service>
> 
>                    <protocol/>
>                    <srcPort/>
>                    <destPort/>
>                    <icmpType/>
>                    <icmpCode/>
> 
>             <Service>
> 
>             <ReportingDevices>
> 
>                     <ip/>
>                     <hostName/>
>                     <domain/>
> 
>             </ReportingDevices>
> 
> Thanks,
> Vipin V S.
> -- 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: general-unsubscribe@xml.apache.org
> For additional commands, e-mail: general-help@xml.apache.org 


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