Subject: RE: [xsl] Reading the values of elements in a complex parameter From: <Jarno.Elovirta@xxxxxxxxx> Date: Thu, 23 Sep 2004 07:52:33 +0300 |
Hi, > I'm struggling to understand how to read complex external parameters. > Simple parameters are easy enough to work with, but I'm not clear on > the mechanics of extracting value from complex parameters for value-of > or within XPath expressions (select.) As in my post of last week, I'm > trying to feed in a list of values for matching and processing. As an > example, a very reduced sample of a source XML file with the birds of > Australia: > > <Australian_Birds> > <Species> > <Sequence>1</Sequence> > <Family_Name>Struthionidae</Family_Name> > <Genus_Name>Struthio</Genus_Name> > <Species_Name>camelus</Species_Name> > <Common_Name>Ostrich</Common_Name> > <Extinct>False</Extinct> > </Species> > <Species> > <Sequence>2</Sequence> > <Family_Name>Casuariidae</Family_Name> > <Genus_Name>Casuarius</Genus_Name> > <Species_Name>casuarius</Species_Name> > <Common_Name>Southern Cassowary</Common_Name> > <Extinct>False</Extinct> > </Species> > ... > > The parameter could look like this: > > <genera> > <genus>Dromaius</genus> > <genus>Coturnix</genus> > <genus>Philemon</genus> > </genera> Let's call this $param > I want to figure out the syntax for two tasks: > 1) Reading and using the value of the subelements: > Dromaius $param/genera/genus[1] > Coturnix $param/genera/genus[2] > Philemon $param/genera/genus[3] > 2) Using each subelement value as part of a match condition. You can't use them in match patterns. Do you mean in xsl:if expressions or in predicates? e.g. /Australian_Birds/Species[Genus_name = $param/genera/genus[1]] If I answered the wrong questions, please give an example of what you want as a result. Cheers, Jarno - Lisa Lashes: Hard Mix
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