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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: grouping + global variable (?) (was re: regexs, g
 At 04:56 PM 8/12/2004, you wrote: OK. I understand this conceptually, but I never understood how to create -- and to access -- this "intermediate version". There are several approaches to doing this kind of pipelining: 1. Poor man's version: run two stylesheets in succession: the second runs on the result of the first. Good for prototyping and debugging and even works in a production environment. Downside: very old-fashioned; slow; requires cleanup. 2. Extended XSLT 1.0: create your first result by applying templates to your source and binding the results to a variable, which you then use a processor extension to turn into a node set for further processing. You'll probably need modes (if only to keep yourself sane), so: <xsl:variable name="intermediate-result"> <xsl:apply-templates select="/" mode="pass1"/> </xsl:variable> <xsl:template match="/"> <xsl:apply-templates select="exslt:node-set($intermediate-result)" mode="pass2"/> </xsl:template> <xsl:template match="/" mode="pass1"> <xsl:apply-templates select="pass1"/> </xsl:template> where exslt:node-set is an extension function that creates a node-set from a result-tree-fragment (see exslt.org or consult your processor's documentation). 3. XSLT 2.0 -- same as 2, except no extension function is needed: it'll happen transparently. 4. External pipeline support: many environments, and some processors, allow you to chain stylesheets directly, thereby eliminating the need to write out the intermediate result as a file (as option 1 does). This is the in-between solution. For example, Saxon has a saxon:next-in-chain attribute you can use on xsl:output. Jeni was less than specific because there are so many ways to do this, which you should use depends on your own case, and she has a baby to feed. (Waa!) 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 ====================================================================== 
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