June 2008
Intermediate to advanced
986 pages
27h 8m
English
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Numbering Things
XSLT provides the <xsl:number> element to number the parts
of a document. (It can also be used to format a numeric value; more on
that later.) In general, <xsl:number> counts something. We’ll
look at a variety of examples here.
To fully illustrate how <xsl:number> works, we’ll need an XML
document with some things to count. We’ll reuse our list of cars from
the previous section:
<?xml version="1.0" encoding="utf-8"?>
<!-- cars.xml -->
<cars>
<manufacturer name="Chevrolet">
<car>Cavalier</car>
<car>Corvette</car>
<car>Impala</car>
<car>Malibu</car>
</manufacturer>
<manufacturer name="Ford">
<car>Pinto</car>
<car>Mustang</car>
<car>Taurus</car>
</manufacturer>
<manufacturer name="Volkswagen">
<car>Beetle</car>
<car>Jetta</car>
<car>Passat</car>
<car>Touraeg</car>
</manufacturer>
</cars>We’ll use <xsl:number> in
several different ways to illustrate the various options we have in
numbering things. We’ll start with something simple:
<?xml version="1.0" encoding="utf-8"?>
<!-- number1.xsl -->
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html"/>
<xsl:template match="/">
<html>
<head>
<title>Automobile manufacturers and their cars</title>
</head>
<body>
<xsl:for-each select="cars/manufacturer">
<p>
<xsl:number format="1. "/>
<xsl:value-of select="@name"/>
</p>
</xsl:for-each>
</body>
</html>
</xsl:template>
</xsl:stylesheet>We get this HTML document:
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> ...
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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.