RE: Is there a way to reuse and extend an enumeration in XML s
Try using the W3C Schema "union" datatype for this (if that's not the correct approach, Jeni Tennison, Henry Thompson or others will be along shortly to correct me, I'm sure). So you would define an additional simple type as follows (note that "your_current_simple_type_name" refers to the simpleType you referred to when you said "I have a simpleType defined as..."): <simpleType name="new_simple_type_name"> <union memberTypes="your_current_simple_type_name"> <simpleType> <restriction base="NMTOKEN"> <enumeration value="D"/> </restriction> </simpleType> </union> </simpleType> You would then need to change element declarations accordingly - i.e. elements that are currently declared as being of your original simple type would have to be of your new simple type. Kind Regards, Joseph Chiusano Booz Allen Hamilton Strategy and Technology Consultants to the World > -----Original Message----- > From: Kenneth Stephen [mailto:marvin.the.paranoid@g...] > Sent: Saturday, March 05, 2005 6:29 PM > To: XML Developers List > Subject: Is there a way to reuse and extend an > enumeration in XML schema > > Hi, > > I have a simpleType defined as having an enumerated type > having (for example) values 'A','B', and 'C'. I want to be > able to reuse this type elsewhere and also add an additional > value of 'D' without altering the original definition. Is > there a way to do that? > > Thanks, > Kenneth > > ----------------------------------------------------------------- > The xml-dev list is sponsored by XML.org > <http://www.xml.org>, an initiative of OASIS > <http://www.oasis-open.org> > > The list archives are at http://lists.xml.org/archives/xml-dev/ > > To subscribe or unsubscribe from this list use the subscription > manager: <http://www.oasis-open.org/mlmanage/index.php> > >
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