Subject: Re: [xsl] null stylesheet? From: Wendell Piez <wapiez@xxxxxxxxxxxxxxx> Date: Thu, 1 May 2014 14:40:03 -0000 |
Hi Jack, Yes, what you are describing is a "literal result element as stylesheet". It is effectively shorthand for an XSLT stylesheet with a single template rule, matching the root node. Thus, <html xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xsl:version="2.0"> ... do your thing ... </html> to an XSLT processor, when provided as a stylesheet, is the same as <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="2.0"> <xsl:template match="/"> <html> ... do your thing ... </html> </xsl:template> </xsl:stylesheet> This was (one imagines) meant to be a convenience, but it's not used much TMK. (I may have used it ... once?) This is probably because, with only one template, such a stylesheet can never execute more than a simple "pull"; as soon as you need another template you have to build it out. It may also be at least as confusing to the newcomer as it is useful. (Namespaces anyone?) Cheers, Wendell On Wed, Apr 30, 2014 at 11:10 PM, Kulas, Jack <Jkulas@xxxxxxxxxx> wrote: > A most timely thread for me. I just encountered the "simplified stylesheet." I ran into it in the first design-pattern example of Chapter 17, "Stylesheet Design Patterns," in Michael's "XSLT2.0 and XP2ath 2.0, 4th ed." (BTW, when can we expect the XSLT 3.0 book?] > > The stylesheet there starts with > > <html xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xsl:version="2.0"> > > and has no xsl:stylsheet element. It was strange to see instances of XSLT elements xsl:for-each and xsl: value-of in that stylesheet without the xs:stylesheet element as the outermost element. I since learned that as long as the XSLT namespace is declared and there is an xsl:version attribute in its outermost element, which can't be in the XSLT namespace, it's an XSLT stylesheet! > > Thus the following also counts as an XSLT stylesheet: > > <html xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xsl:version="2.0"/> > > --Jack Kulas > LSI, Inc > Jacksonvlle, FL > > -----Original Message----- > From: Michael Kay [mailto:mike@xxxxxxxxxxxx] >> >> and that works perfectly well. But then I tried the slightly simpler >> >> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >> version="1.0"/> > > Yes, that's a legal stylesheet. >> >> But Saxon-HE 9.5.1.3J run from the commandline complains that "The >> supplied file does not appear to be a stylesheet" >> (this is an error, not a warning; # XTSE0150). >> > > I suspect you got the command line arguments wrong. This message from Saxon means that the file supplied as the stylesheet document did not have xsl:stylesheet or xsl:transform as its root. In fact more specifically I think it means the local name of the root element was not "stylesheet" or "transform" - you get a different message if only the namespace is wrong. > > Michael Kay > Saxonica > > ---------------------------------------------------------------------- > Disclaimer - This email and any files transmitted with it are proprietary and may contain privileged or copyright information. You must not present this message to another party without gaining permission from the sender. If you are not the intended recipient you must not copy, distribute or use this email or the information contained in it for any purpose other than to notify us. If you have received this message in error, please notify the sender immediately, and delete this email from your system. We do not guarantee that this material is free from viruses or any other defects although due care has been taken to minimize the risk. Any views expressed in this message are those of the individual sender, except where the sender specifically states them to be the views of LSI. > -- Wendell Piez | http://www.wendellpiez.com XML | XSLT | electronic publishing Eat Your Vegetables _____oo_________o_o___ooooo____ooooooo_^
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