Subject: Re: [xsl] catching the last node still satisfying a condition From: Guillaume Rousse <rousse@xxxxxxxxxxxxxx> Date: Thu, 13 Sep 2001 17:38:54 +0200 |
Ainsi parlait David Carlisle : > > Are successive predicate legal ? > > yes. There are examples of this in the spec are there not? Yes they are, altough not very proeminent. I missed them initialy :-) > >And are they evaluated as > > foo[position() < $limit AND bar AND last()] or as > > (((foo[position() < $limit])[bar])[last()]) ? > > Neither. > > foo[position() < $limit AND bar AND last()] > > > isn't what you meant, you meant > foo[position() < $limit and bar and position()=last()] > > in this one last() would return the number of foo elements. > > (((foo[position() < $limit])[bar])[last()]) > > In this case this is equivalent to > foo[position() < $limit][bar][last()] > > > as foo is short for child::foo which is a forward axis. > > But for a reverse axis, > > ancestor::foo[position() < $limit][bar][last()] > > last() and position() relate to reverse document ordering but in > > (((foo[position() < $limit])[bar])[last()]) > > last() and position() relate to document ordering Thanks for those explanations, resulting xsl code is far cleaner. -- Guillaume Rousse <rousse@xxxxxxxxxxxxxx> GPG key http://lis.snv.jussieu.fr/~rousse/gpgkey.html XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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