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![]() | ![]() | ![]() | Altova Mailing List Archives>Archive Index >microsoft.public.xml Archive Home >Recent entries [Thread Prev] >Thread Next - RE: Element structure constraint based on attribute value Element structure constraint based on attribute valueTo: NULL Date: 1/5/2007 9:30:00 AM
Hi,
Is it possible, in a W3C schema, to constraint the structure of
elements based on attribute values? For example:
<instr type="sql" instruction="SELECT * ....." />
<instr type="exec" command="C:/work.bat" parameters="/p /s" />
In this example, the attribute 'type' is allways present, however the
other attributes depend on the value of the 'type' attribute
('instruction' is only present if type="sql", etc...). Is it possible
to apply such a constraint within a W3C Schema?
I've read in another topic that this kind of constraint could be made
with a Schematron Schema. If so, is it possible to do a W3C Schema with
embedded Schematron rules? How are these rules applied?
Thanks
Duarte
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