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RE: Importing XMLSchema.xsd

From: <Simon.Cox@csiro.au>
Date: Tue, 11 Nov 2003 12:41:04 +0800
Message-ID: <2A2B2F12CF99EA4A898E2D4729441B413AA2DA@exwa2-per.wa.csiro.au>
To: <George.Datuashvili@Siebel.com>
Cc: <jddahl@micron.com>, <xmlschema-dev@w3.org>

But surely it *should* serve a purpose:  if you have not <import>ed the components, they are not available.  I don't believe that the WXS Schema-for-schemas components are "implicitly" imported into a particular WXS schema in a way that makes them available to occur in an instance that can be validated by that WXS schema.  

Simon

> -----Original Message-----
> From: George Datuashvili [mailto:George.Datuashvili@Siebel.com]
> Sent: Tuesday, 11 November 2003 10:36 AM
> To: Cox, Simon (E&M, Kensington)
> Subject: RE: Importing XMLSchema.xsd
> 
> 
> If you remobe <xsd:import> it will work. It serves no purpose there
> anyway, besides confusing xmlspy
> 
> Thanks,
> Gia
>  
> 
> > 
> > -----Original Message-----
> > From: Simon.Cox@csiro.au [mailto:Simon.Cox@csiro.au] 
> > Sent: Monday, November 10, 2003 6:01 PM
> > To: jddahl@micron.com; xmlschema-dev@w3.org
> > 
> > 
> > I'd like to back up Jeff's question.  
> > 
> > I tried this a few months ago and XML Spy also rejected it - 
> > it appears that (quite reasonably) the tools have their own 
> > "private" version of the S4S loaded, but this then causes a 
> > clash (multiple declarations of the same component), which 
> > results in the import of the S4S to fail and the components 
> > to *not* be available.   
> > 
> > This is kinda frustrating.  There should really be no reason 
> > that the S4S is treated any different to any other schema 
> > import.  Surely this is why we choose to "eat our own 
> > dogfood".  Similar to Jeff I want to be able to use the 
> > simpleType definitions to describe constraints on values 
> > within an instance document.  I could subset the S4S and put 
> > it in a new namespace, but why should this be necessary.  
> > 
> > Simon Cox
> > 
> > > -----Original Message-----
> > > From: jddahl@micron.com [mailto:jddahl@micron.com]
> > > Sent: Wednesday, 5 November 2003 11:22 PM
> > > To: xmlschema-dev@w3.org
> > > Subject: Importing XMLSchema.xsd
> > > 
> > > 
> > > 
> > > I am trying to import the XMLSchema itself to allow users 
> > to identify 
> > > their own data types.
> > > 
> > > ----------------------------------------------------------
> > > db.xsd
> > > <?xml version="1.0" encoding="US-ASCII"?>
> > > 
> > > <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
> > >             targetNamespace="http://testeng.micron.com/data"
> > >             xmlns="http://testeng.micron.com/data"
> > >             elementFormDefault="qualified">
> > >   
> > >   <xsd:import namespace="http://www.w3.org/2001/XMLSchema" 
> > > schemaLocation="http://www.w3.org/2001/XMLSchema.xsd"/>
> > > 
> > >   <xsd:element name="model">
> > >     <xsd:complexType>
> > >       <xsd:sequence>
> > >         <xsd:any namespace="http://www.w3.org/2001/XMLSchema" 
> > > minOccurs="0" maxOccurs="unbounded" processContents="strict"/>
> > >       </xsd:sequence>
> > >       <xsd:attribute name="name" type="xsd:NCName"/>
> > >     </xsd:complexType>
> > >   </xsd:element>
> > >   
> > > </xsd:schema>
> > > 
> > > ----------------------------------------------------------
> > > model.xml
> > > <?xml version="1.0" encoding="US-ASCII" standalone="no"?>
> > > 
> > > <model xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
> > >        xsi:schemaLocation="http://testeng.micron.com/data db.xsd" 
> > >        xmlns="http://testeng.micron.com/data" 
> > >        xmlns:xsd="http://www.w3.org/2001/XMLSchema">
> > >     
> > >   <xsd:simpleType name="my_type">
> > >     <xsd:restriction base="xsd:string">
> > >       <xsd:enumeration value="string1"/>
> > >       <xsd:enumeration value="string2"/>
> > >       <xsd:enumeration value="string3"/>
> > >     </xsd:restriction>
> > >   </xsd:simpleType>
> > > 
> > > </model>
> > > 
> > > ----------------------------------------------------------
> > > 
> > > Yet, when I run Xerces, I get the following error:
> > > 
> > > java -classpath
> > > /home/jddahl/xerces-2_5_0/xercesSamples.jar:/home/jddahl/xerce
> > > s-2_5_0/xercesImpl.jar sax.Counter -v -s -f -n -np 
> > model.xml [Error] 
> > > model.xml:8:42: cvc-complex-type.2.4.c: The matching wildcard is 
> > > strict, but no declaration can be found for element 
> > 'xsd:simpleType'.
> > > 
> > > Is this a Xerces bug, or am I doing something wrong?
> > > 
> > > Thanks,
> > > Jeff Dahl
> > > 
> > 
> > 
> > 
> 
Received on Monday, 10 November 2003 23:41:09 UTC

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