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RE: [xsl] Re: EXSL's dyn:evaluate() and XALAN vs. xsl:use-attribute-sets
Subject: RE: [xsl] Re: EXSL's dyn:evaluate() and XALAN vs. xsl:use-attribute-sets From: "Michael Kay" <mhk@xxxxxxxxx> Date: Fri, 22 Aug 2003 08:51:40 +0100 |
dyn:evaluate() is an XPath expression, so you can use it anywhere an XPath expression is allowed, and nowhere else. Michael Kay > -----Original Message----- > From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx > [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of > raphead@xxxxxxx > Sent: 22 August 2003 07:10 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: Re: [xsl] Re: EXSL's dyn:evaluate() and XALAN vs. > xsl:use-attribute-sets > > > Hi, > > > According to the XSLT 1.0 spec "The value of the use-attribute-sets > > attribute is a whitespace-separated list of names of > attribute sets. > > Each name is specified as a QName ..." > > > > A QName cannot be calculated dynamically -- it must be known at > > compile time. > > I'm aware of that but my understanding of the dyn:evaluate > extension is, that is let's say 'on level above the xslt > processing'. While reading the spec on exslt.org the > following sentence confirmed this somehow: > > ...The string is always evaluated exactly as if it had been > literally included in place of the call to the dyn:evaluate function. > > And if you're right, how can one determine for which params > etc. dyn:evaluate will work? > > > > > > > Therefore, what you're trying to achieve is impossible in this way. > > > > Do you have an ide, how to achive it? I also tried with > chained templates and parameters but then I really stuck with > the problem with qnames. > > Thomas > > > > ===== > > Cheers, > > > > Dimitre Novatchev. > > http://fxsl.sourceforge.net/ -- the home of FXSL > > > > > > <raphead@xxxxxxx> wrote in message > > news:29467.1061417799@xxxxxxxxxxxxxxxx > > Hi, > > > > As I don't really like mailinglists it was kind of hard for > me do this > > step but for my current problem > > I can't find a proper answer elsewhere: > > > > Suppose I have the following XML document: > > > > ... > > <elemxy class="test1">Some content</elemxy> > > ... > > > > And the following template snippet: > > > > ... > > <xsl:template match="elemxy"> > > <fo:block xsl:use-attribute-sets="dyn:evaluate(@class)"> > > <xsl:apply-templates/> > > </fo:block> > > </xsl:template> > > ... > > > > Obviously I have several different class attributes (like > test1 here) > > and want them to be the name of an attribute-set. This because: I'm > > generating the attribute-sets dynamically > > and attach them to the xsl stylesheet. > > > > My question is now: Why is the above construct NOT working? > I'm using > > xalan-j_2_5_1 and my root element of the stylesheet looks like > > this: > > > > <xsl:stylesheet version="1.0" > > xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > > xmlns:fo="http://www.w3.org/1999/XSL/Format" > > xmlns:xalan="http://xml.apache.org/xalan" > > xmlns:dyn="http://exslt.org/dynamic" > > extension-element-prefixes="dyn"> > > > > Xalan simply ignores the statement. When I replace the > expression with > > a static name the proper attribute-set is used. > > > > Thomas H. > > With greets from Germany > > > > > > -- > > COMPUTERBILD 15/03: Premium-e-mail-Dienste im Test > > -------------------------------------------------- > > 1. GMX TopMail - Platz 1 und Testsieger! > > 2. GMX ProMail - Platz 2 und Preis-Qualitätssieger! > > 3. Arcor - 4. web.de - 5. T-Online - 6. freenet.de - 7. > daybyday - 8. > > e-Post > > > > > > XSL-List info and archive: > http://www.mulberrytech.com/xsl/xsl-list > > > > > > > > > > > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > > > > -- > COMPUTERBILD 15/03: Premium-e-mail-Dienste im Test > -------------------------------------------------- > 1. GMX TopMail - Platz 1 und Testsieger! > 2. GMX ProMail - Platz 2 und Preis-Qualitätssieger! > 3. Arcor - 4. web.de - 5. T-Online - 6. freenet.de - 7. > daybyday - 8. e-Post > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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