RE: XML design of ((a and b) or c)
The first one seems much the cleanest. Michael Kay http://www.saxonica.com/ > -----Original Message----- > From: Andrew Welch [mailto:andrew.j.welch@g...] > Sent: 12 December 2006 15:23 > To: xml-dev@l... > Subject: XML design of ((a and b) or c) > > I've just had to design some XML to model items that can have "and" > and "or" relationships between each one. > > For example: > > (a and b) or c > > could be designed as: > > <or> > <a> > <and> > <b/> > <c/> > </and> > </or> > > another option could be to rely on position: > > <a> > <and/> > <b/> > <or/> > <c/> > > and another could be model the relationships separately somehow: > > <relationships> > <rel ref="r1" type="and"> > <ent id="a"/> > <ent id="b"/> > </rel> > <rel ref="r2" type="or"> > <ent id="r1"/> > <ent id="c"/> > </rel> > </relationships> > <a id="a"/> > <b id="b"/> > <c id="c"/> > > Each has its own advantages/drawbacks. Personally I like the > first technique, although it can get cluttered when there are > 10+ items. > > Are there any better ways that I'm missing? > > cheers > andrew > > ______________________________________________________________ > _________ > > XML-DEV is a publicly archived, unmoderated list hosted by > OASIS to support XML implementation and development. To > minimize spam in the archives, you must subscribe before posting. > > [Un]Subscribe/change address: http://www.oasis-open.org/mlmanage/ > Or unsubscribe: xml-dev-unsubscribe@l... > subscribe: xml-dev-subscribe@l... List archive: > http://lists.xml.org/archives/xml-dev/ > List Guidelines: http://www.oasis-open.org/maillists/guidelines.php >
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