Subject: RE: Simple lookup in XSLT2
From: Jens Stavnstrup <js@xxxxxxx>
Date: Tue, 14 Nov 2006 12:13:18 +0100 (CET)
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As Michael correctly stated, there were a bunch of errors in the small
fragment I wrote (lack of QA in my e-mail's - not the actual code) and
yes, I was of course using XSLT 1.1 (obviouly with Saxon 6.5.5)
However even with typecasting it did not work with XSLT2 (using Saxon
8.8). I have not tried out Davids proposal yet, but that might be a
solution. At least there was not a major conceptual change betwwen XSLT1
and XSLT2 behaviour I had missed.
Thanks guys, I just have to keep digging until I find the culprit.
Regards,
Jens
On Tue, 14 Nov 2006, Michael Kay wrote:
> > I have for quite a few years used this primitive way of
> > translating from a month number to a month name.
> >
> > <xslt:variable name="$months">
> > <m>January</m><m>February</m><m>March</m><m>April</m>
> > <m>May</m><m>June</m><m>July</m><m>August</m>
> > <m>September</m><m>October</m><m>November</m><m>December</m>
> > </xsl:variable>
> >
> > The actual lookup was done using a this expression
> >
> > <xsl:value-of
> > select="$months/m[number($month)]"/>
> >
> >
> > Where $month can be the string 1 .. 12.
> >
> > This works just fine with XSLT 1.0, but for some strange
> > reason, it does not work for XSLT2.
>
> Well, it shouldn't work in 1.0, because you're not allowed to use a result
> tree fragment as a node-set.
>
> And it should work in 2.0 (with minor corrections like matching the start
> and end tag of xsl:variable, and removing the $ from name="$months)
>
> Stylesheet:
>
> <xsl:stylesheet version="1.0"
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
> <xsl:output method="text"/>
>
> <xsl:param name="month"/>
>
> <xsl:template match="/">
>
> <xsl:variable name="months">
> <m>January</m><m>February</m><m>March</m><m>April</m>
> <m>May</m><m>June</m><m>July</m><m>August</m>
> <m>September</m><m>October</m><m>November</m><m>December</m>
> </xsl:variable>
>
> <xsl:value-of select="$months/m[number($month)]"/>
>
> </xsl:template>
> </xsl:stylesheet>
>
> Saxon 8.8 command:
>
> java net.sf.saxon.Transform test.xsl test.xsl month=8
>
> output: August
>
> Saxon 6.5.5 command:
>
> java -jar saxon.jar test.xsl test.xsl month=8
>
> output:
>
> Error at xsl:value-of on line 19 of file:/c:/temp/test.xsl:
> To use a result tree fragment in a path expression, either use
> exsl:node-set() or specify version='1.1'
>
> Michael Kay
> http://www.saxonica.com/
>
>
Regards,
Jens
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Jens Stavnstrup Phone :
Danish Defence Research Establishment Voice : + 45 - 39 15 17 97
Ryvangs Alle 1 - P.O. Box 2715 Fax : + 45 - 39 29 15 33
DK - 2100 Copenhagen O. E-Mail (Internet) :
Denmark js@xxxxxxx
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