Subject: RE: glossary sorting/indexing question
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Tue, 20 May 2008 14:52:56 +0100
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> The xsl file says version 2.0. I believe it is only using 1.0
> features, and it runs in Saxon if I declare it as version
> 1.0, but it only runs in XMLSpy if it is given version 2.0.
> XMLSpy complains about the key definition, but that's not a
> big concern.
An XSLT 2.0 processor that supports backwards compatibility mode (like
Saxon) will allow some or all of the modules to say version="1.0", and will
run the code in those modules in backwards compatibility mode (which as
David says only makes a difference if you are relying on features that you
would be unwise to exploit). Specifying version="1.0" does NOT disable use
of 2.0 features if you are running a 2.0 processor.
This is also true for AltovaXML, the engine inside XMLSpy. However, by
default XMLSpy will invoke an XSLT 1.0 engine if the principal stylesheet
module specifies version="1.0", and an XSLT 2.0 engine if it specifies XSLT
2.0. Therefore, in this mode of operation, 2.0 constructs will be disallowed
if the principal module specifies version="2.0". Note that if you're using
XMLSpy it's important to use the 2008 edition - support for XSLT 2.0 in
earlier versions is very buggy.
>Can I <xsl:import> existing version 1.0 stylesheets which do other useful
things into a 2.0 stylesheet which does the glossary-specific stuff? Or do I
have to change them all?
No, you don't have to change them.
Michael Kay
http://www.saxonica.com/
>
> I'm not that au fait with XSL version 2.0 but I suspect that
> it is probably a lot neater for this kind of job. Even in 1.0
> I'm sure there is a better way of coding the stylesheet which follows.
>
> XML document (shortgloss.xml):
> ------
> <?xml version="1.0" encoding="UTF-8"?>
> <document>
> <title>Glossary</title>
> <section>
> <title>Benefit</title>
> <para>blah blah.</para>
> </section>
> <section>
> <title>Access mode</title>
> <para>blah blah.</para>
> </section>
> <section>
> <title>ACRONYM</title>
> <para>blah blah.</para>
> </section>
> <section>
> <title>Alice</title>
> <para>blah blah.</para>
> </section>
> <section>
> <title>bridging</title>
> <para>blah blah.</para>
> </section>
> <section>
> <title>Access</title>
> <para>blah blah.</para>
> </section>
> </document>
>
> Stylesheet (shortgloss.xsl):
> ------
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE xsl:stylesheet [<!ENTITY nbsp " ">]>
> <xsl:stylesheet version="2.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> xmlns:xs="http://www.w3.org/2001/XMLSchema"
> exclude-result-prefixes="xs"> <xsl:output method="html"
> encoding="us-ascii" indent="no"
> doctype-public="-//W3C//DTD HTML 4.01 Transitional//EN"
> doctype-system="http://www.w3.org/TR/html4/loose.dtd" />
>
> <!-- constants -->
> <xsl:variable name="upchars"
> select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" /> <xsl:variable
> name="lochars" select="'abcdefghijklmnopqrstuvwxyz'" />
>
> <!-- subhead key -->
> <xsl:key name="subhead" match="/document/section"
> use="translate(substring(./title,1,1),$lochars,$upchars)" />
>
> <xsl:template match="/document">
> <html>
> <head><title><xsl:apply-templates select="title"
> /></title></head> <body>
> <h1><xsl:apply-templates select="title" /></h1>
> <xsl:for-each select="/document/section[count(. |
> key('subhead',translate(substring(./title,1,1),$lochars,$upcha
> rs))[1]) = 1]">
> <xsl:sort select="translate(./title,$lochars,$upchars)" />
> <xsl:variable name="initial"
> select="translate(substring(./title,1,1),$lochars,$upchars)" />
> <a name="{$initial}" />
> <h2><xsl:value-of select="$initial" /></h2>
> <h4>
> <xsl:for-each select="key('subhead',$initial)">
> <xsl:sort
> select="translate(./title,$lochars,$upchars)" />
> <xsl:if test="position()=1">
> <xsl:value-of select="./title" />
> </xsl:if>
> </xsl:for-each>
> <xsl:text> - </xsl:text>
> <xsl:for-each select="key('subhead',$initial)">
> <xsl:sort
> select="translate(./title,$lochars,$upchars)" />
> <xsl:if test="position()=last()">
> <xsl:value-of select="./title" />
> </xsl:if>
> </xsl:for-each>
> </h4>
> <xsl:for-each select="key('subhead',$initial)">
> <xsl:sort select="translate(./title,$lochars,$upchars)" />
> <p><xsl:apply-templates select="."/></p>
> </xsl:for-each>
> </xsl:for-each>
> </body>
> </html>
> </xsl:template>
>
> <xsl:template match="section">
> <xsl:apply-templates select="title" /> </xsl:template>
>
> <xsl:template match="title">
> <xsl:value-of select="." />
> </xsl:template>
>
> </xsl:stylesheet>
>
> Thanks for any advice
> Trevor
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