- From: Jeni Tennison <jeni@jenitennison.com>
- Date: Thu, 5 Sep 2002 14:28:58 +0100
- To: andrew.curry@pa.press.net
- CC: xmlschema-dev@w3.org
Hi Andrew,
> I am currently trying to write part of a schema to allow a number of
> elements with multiple occurances in any order.
> What i would idealy like to do is:
> <xs:all>
> <xs:element ref="mls:Score" minOccurs="0" maxOccurs="unbounded"/>
> <xs:element ref="mls:Goal" minOccurs="0" maxOccurs="unbounded"/>
> <xs:element ref="mls:Shot" minOccurs="0" maxOccurs="unbounded"/>
> </xs:all>
>
> Sadly xs:all must have maxOcurres of 1 so this is not possible. Does
> anyone know of any other possible solutions/work arounds?
With this particular example, you can use:
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element ref="mls:Score" />
<xs:element ref="mls:Goal" />
<xs:element ref="mls:Shot" />
</xs:choice>
If you wanted to place more restrictions on the occurrence of the
elements -- for example to say that there must be at least one Score
element or less than 10 Goal elements -- then you would have to have
an extra validation step (for example using Schematron) to check that
constraint.
Cheers,
Jeni
---
Jeni Tennison
http://www.jenitennison.com/
Received on Thursday, 5 September 2002 09:36:43 UTC