Subject: Re: [xsl] looping problem, <xsl: for-each>?? From: Mukul Gandhi <mukulgw3@xxxxxxxxx> Date: Thu, 9 Oct 2003 10:05:06 -0700 (PDT) |
Hi Wendell, I was able to generate numbering 1,2,3,4.. I applied your suggestion to store an intermediate tree fragment in a variable, and then converting the variable into a nodeset. By iterating the nodeset, I am able to generate numbers 1,2,3,4.. The XSL is -- <?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xalan="http://xml.apache.org/xalan"> <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/> <xsl:key name="x" match="/rss/channel/item" use="category"/> <xsl:template match="/"> <xsl:variable name="treeFrag"> <rootelem> <xsl:for-each select="rss/channel/item"> <xsl:if test="generate-id(.) = generate-id(key('x', category)[1])"> <h1> <xsl:value-of select="category"/> </h1> <xsl:for-each select="key('x', category)"> <desc> <xsl:value-of select="description"/> </desc> </xsl:for-each> </xsl:if> </xsl:for-each> </rootelem> </xsl:variable> <xsl:for-each select="xalan:nodeset($treeFrag)/rootelem/desc"> <xsl:if test="name(preceding-sibling::*[1]) = 'h1'"> <h1> <xsl:value-of select="preceding-sibling::*[1]" /> </h1> </xsl:if> ITEM<xsl:value-of select="position()"/> <xsl:value-of select="."/> </xsl:for-each> </xsl:template> </xsl:stylesheet> In the above solution, though numbers are getting generated properly, but to output <h1> tags at the right place, I had to write a slightly complex syntax * xsl:if test="name(preceding-sibling::*[1]) = 'h1'" * I have used the Xalan nodeset extension function. The syntax -- xalan:nodeset, can be replaced by vendor:node-set for a different XSLT processor.. Would also like to have your comments if any to improve the above XSL. This _also_ completes my answer.. Regards, Mukul --- Wendell Piez <wapiez@xxxxxxxxxxxxxxxx> wrote: > The two-pass solution would simply be: > > pass 1: sort and create output > pass 2: number > > The node-set-extension-based solution would be the > same, except that pass 1 > would be bound to a variable, then that variable's > value (a > result-tree-fragment) changed to a node-set (in a > second variable > declaration); then you'd apply templates to that > node set to get the numbering. > > I'd go into more detail but I'm kinda swamped at the > moment.... :-> > > Cheers, > Wendell > > > > > > ====================================================================== > Wendell Piez > mailto:wapiez@xxxxxxxxxxxxxxxx > Mulberry Technologies, Inc. > http://www.mulberrytech.com > 17 West Jefferson Street Direct > Phone: 301/315-9635 > Suite 207 > Phone: 301/315-9631 > Rockville, MD 20850 > Fax: 301/315-8285 > ---------------------------------------------------------------------- > Mulberry Technologies: A Consultancy Specializing > in SGML and XML > ====================================================================== > > > XSL-List info and archive: > http://www.mulberrytech.com/xsl/xsl-list > __________________________________ Do you Yahoo!? The New Yahoo! Shopping - with improved product search http://shopping.yahoo.com XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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