Subject: RE: [xsl] last() and distinct-values 2.0 From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Tue, 26 Oct 2004 23:58:51 +0100 |
I have now solved this bug: it's rather subtle. I won't be publishing a source fix because it's too extensive. As a circumvention, it will probably work if you put the results of distinct-values() in a variable. Details of the bug are at http://sourceforge.net/tracker/index.php?func=detail&aid=1054919&group_id=29 872&atid=397617 Sorry about the inconvenience. Michael Kay > -----Original Message----- > From: Jurn Ho [mailto:jurn@xxxxxxxxxxxxxxxx] > Sent: 26 October 2004 03:09 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] last() and distinct-values 2.0 > > Hi, > > I'm trying to change our stylesheets over to 2.0 and saxon 8, but am > getting confused about the behaviour of the last() function. > My test case is below, it has a variable called $languages, with many > <lang> elements. > I wanted to get the 3 distinct languages from there. > If I comment out the last() function, it works as I expect, > but when I add > the last() function inside the for-each loop I get it > returning '2', and > only get 1 iteration from the loop. > I expect the last() function to return 3. > > Any suggestions/hints would be welcome > > thanks, > Jurn > > <?xml version="1.0"?> > <xsl:stylesheet version="2.0" > xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > xmlns:fn="http://www.w3.org/2003/11/xpath-functions"> > <xsl:template match="/"> > <xsl:variable name="languages"> > <lang>English</lang> > <lang>English</lang> > <lang>Chinese</lang> > <lang>French</lang> > <lang>French</lang> > <lang>Chinese</lang> > <lang>French</lang> > <lang>Chinese</lang> > </xsl:variable> > <xsl:for-each select="fn:distinct-values($languages/lang)"> > <xsl:value-of select="position()"/>, > <xsl:value-of select="."/>, > <xsl:value-of select="last()"/> > -- > </xsl:for-each> > </xsl:template> > </xsl:stylesheet>
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