Subject: Re: Conditional & Preceding-sibling From: Lee Goddard <home@xxxxxxxxxxxxxx> Date: Fri, 18 Aug 2000 15:48:37 +0100 |
Jeni - looked at your site, which led to your CV, and your request for interesting XML/XSL work. I was recently called by the Progressive recruitment agency asking me to an interview for a 'major blue-chip client near Reading' to do something XML/XSL. I've two weeks to finish my MSc so turned them down, and both Reading and 'blue-chip' put me off, but you may find giving them a ring worth whie. lee Jeni Tennison wrote: > > Lee, > > >I wish to only output a value > >if a certain attribute of an element > >is not the same as the same attribute of > >the preceding element at the same level. > > > >So, > > > > <EQUATION node="one" othero="x"> > > <ATOM v="12"><ATOM y="22"/> > > </EQUATION> > > <OTHERTAGS/> > > <EQUATION node="two" othero="y"> > > <ATOM v="23"><ATOM y="33"/> > > </EQUATION> > > > >Would only print both equations if > >both node values were the same. > > Have you missed out a 'not' somewhere here? In your first paragraph you > said that you wanted them to print if the node values were *not* the same? > The 'node' of EQUATION[@node='two'] is equal to 'two'. The preceding > EQUATION element at the same level has 'node' equal to 'one'. These are > not the same, so the value should be outputted. Right? > > >This could be because I'm not really > >clear on the preceding-sibling::*[@node][1]/@node > >line.... > > preceding-sibling::*[@node][1]/@node says: > > 1. create a list of all the sibling elements preceding this one, whatever > their names > 2. from that list, create another list that holds those elements that have > a @node attribute > 3. from *that* list, take the first one (which is the one immediately > preceding the current element) > 4. now take the value of it's @node attribute > > It's the value of that node attribute that's compared to the one for the > current element you're processing. And if they're not the same, then the > value of the 'node' attribute is outputted. > > >From reading it, I think that this should work OK. Can you post a test > case that shows what it isn't working with? > > Sorry I can't be more help, > > Jeni > > Jeni Tennison > http://www.jenitennison.com/ > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list -- Lee Goddard <l.goddard@sussex> Research Centre for Cognitive Science, University of Sussex, Brighton UK XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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