Use:
/*/*/service[
not(@servId = /*/*[1]/*/@servId
and
@servId = /*/*[2]/*/@servId
and
@servId = /*/*[3]/*/@servId
)
]
=====
Cheers,
Dimitre Novatchev.
http://fxsl.sourceforge.net/ -- the home of FXSL
"Adam van den Hoven" <list(_at_)adamvandenhoven(_dot_)com> wrote in message
news:2CFBE0D9CD992F41BE13069173C5C1C94B8445(_at_)c2kxch(_dot_)cucbc(_dot_)com(_dot_)(_dot_)(_dot_)
I have a node set that looks something like:
<branch>
<service servId="Service 1" />
<service servId="Service 3" />
<service servId="Service 4" />
</branch>
<branch>
<service servId="Service 1" />
<service servId="Service 2" />
<service servId="Service 4" />
</branch>
<branch>
<service servId="Service 1" />
<service servId="Service 3" />
<service servId="Service 4" />
</branch>
Now what I want is a set of all the service elements that do not appear
in ALL the branch Elements. In this case I'm hoping for
<service servId="Service 3" />
<service servId="Service 2" />
<service servId="Service 3" />
Although the extra "Service 3" doesn't really need to be there, the way
I'll be using it doesn't care.
Now my first thought was:
"All the services elements where the number of branch elements does not
equal the number of branch elements containing this service element"
the XPath for this (assuming $branch contains the nodeset in question) :
service[count($branch) != count($branch[service = ???])]
The problem is that I'm not sure what to replace the ??? with. Clearly a
period isn't going to work. Neither is current().
Now I could use a for-each but I know better than to start there. I have
a suspicion that keys will fit in the solution but I'm not 100% sure
where.
Any ideas?
H. Adam van den Hoven
Web Developer
Credit Union Central of BC
p 604 7306380
e avandenhoven(_at_)cucbc(_dot_)com
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