July 2004
Intermediate to advanced
479 pages
12h 30m
English
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Grouping in XSLT 1.0 and 2.0
If your nodes are out of sorts in your source, use grouping to bring them into line.
This hack shows you several techniques for grouping nodes in the output of an XSLT processor. The first uses XSLT 1.0 and the Muenchian method, named after Steve Muench (see http://www.oreillynet.com/pub/au/609). The second uses XSLT 2.0, which is simpler than the XSLT 1.0 method.
Grouping with XSLT 1.0
The problem that grouping solves is that nodes may not be grouped to your liking in the source document. For example, look at group.xml (Example 3-54).
Example 3-54. group.xml
<?xml version="1.0" encoding="US-ASCII"?> <?xml-stylesheet href="group.xsl" type="text/xsl"?> <uscities> <western> <uscity state="Nevada">Las Vegas</uscity> <uscity state="Arizona">Phoenix</uscity> <uscity state="California">San Francisco</uscity> <uscity state="Nevada">Silver City</uscity> <uscity state="Washington">Seattle</uscity> <uscity state="Montana">Missoula</uscity> <uscity state="Washington">Spokane</uscity> <uscity state="California">Los Angeles</uscity> <uscity state="Utah">Salt Lake City</uscity> <uscity state="California">Sacramento</uscity> <uscity state="Idaho">Boise</uscity> <uscity state="Montana">Butte</uscity> <uscity state="Washington">Tacoma</uscity> <uscity state="Montana">Helena</uscity> <uscity state="Oregon">Portland</uscity> <uscity state="Nevada">Reno</uscity> <uscity state="Oregon">Salem</uscity> <uscity state="Oregon">Eugene</uscity> <uscity state="Utah">Provo</uscity> ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.