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Posted to fop-users@xmlgraphics.apache.org by Peter Menzel <pe...@imise.uni-leipzig.de> on 2004/07/22 18:15:54 UTC
xml schema question
Hi all,
i am working on a xml schema and have the following problem, maybe
somebody can help me.
i would like to have the follwoing elment with content:
<element>
<aa/>
<cc/>
<bb/>
</element>
The elements aa and bb are required to be there and they may occur just
one time. Other sub elements of element can occur many times. Especially
the order of the elements is random, so i may not use xsd:sequence.
My xml schema snippet for this element:
<xsd:element name='element'>
<xsd:complexType>
<xsd:choice>
<xsd:element ref='dd' minOccurs='0' maxOccurs='unbounded'/>
<xsd:element ref='cc' minOccurs='0' maxOccurs='unbounded'/>
<xsd:element ref='aa' minOccurs='1' maxOccurs="1"/>
<xsd:element ref='bb' minOccurs='1' maxOccurs="1"/>
</xsd:choice>
</xsd:complexType>
</xsd:element>
Unfortunately this wont work.
xmllint says that the above xml document is not valid.
Has anybody any idea concerning this problem? Is it generally possible
to mix elements in a complexType with different minOccurs/maxOccurs ?
Greetings, Peter
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Re: xml schema question
Posted by Chris Bowditch <bo...@hotmail.com>.
Peter Menzel wrote:
<snip/>
> My xml schema snippet for this element:
>
> <xsd:element name='element'>
> <xsd:complexType>
> <xsd:choice>
> <xsd:element ref='dd' minOccurs='0' maxOccurs='unbounded'/>
> <xsd:element ref='cc' minOccurs='0' maxOccurs='unbounded'/>
> <xsd:element ref='aa' minOccurs='1' maxOccurs="1"/>
> <xsd:element ref='bb' minOccurs='1' maxOccurs="1"/>
> </xsd:choice>
> </xsd:complexType>
> </xsd:element>
>
> Unfortunately this wont work.
> xmllint says that the above xml document is not valid.
You are unlikely to receive help for this question on this list. This list is
about XSL-FO. Perhaps your question would be better suited to a XML Parser or
Schema specific list.
>
> Has anybody any idea concerning this problem? Is it generally possible
> to mix elements in a complexType with different minOccurs/maxOccurs ?
Yes this is possible, but not under xs:choice, I believe <xs:any> is the
compositor you are looking for.
Chris
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