Subject: Re: [xsl] How to use generate-id() inside an xsl:function without a node available? From: "Dimitre Novatchev" <dnovatchev@xxxxxxxxx> Date: Tue, 27 Feb 2007 12:44:53 -0800 |
Hve an auxiliary function, which creates a new node every time t is evaluated, for example using:
<xsl:function name="pref:GetNode" as="element()"> <xsl:variable name="myNode" as="element()"> <someNode/> </xsl:variable>
<xsl:copy-of select="$myNode"/> <xsl:function
-- Cheers, Dimitre Novatchev --------------------------------------- Truly great madness cannot be achieved without significant intelligence. --------------------------------------- To invent, you need a good imagination and a pile of junk ------------------------------------- You've achieved success in your field when you don't know whether what you're doing is work or play
Hi List,
This seems an obvious question to ask, but I couldn't find anything on the net (but more often than not, it is a matter of wrong keywords, I am sure). The issue is this: I have a function that generates some nodes based on some strings and these nodes must receive a unique ID/IDREF value. Normally, one would use generate-id(), but inside a function (or inside anything that does not have a context node), generate-id() will fail.
My question: how can I create unique identifiers without a node in sight?
Example function (which will err):
<xsl:function name="my:dupSVGText"> <xsl:variable name="new-id" select="generate-id()" /> <svg:text id="{$new-id}">some text</svg:text> <svg:use xlink:href="#{$new-id}" y="10" /> </xsl:function>
My original function is a bit larger (ahum, counted > 100 lines today, time for refactoring...) and creates some SVG objects that reference one another, which is why I must make sure the ID for referencing the xlink:href attributes are unique within the document. Don't let the SVG and XLink upset or distract you, I just mention it to explain my use-case.
And no, there's no way that there will be a node in sight (it is really disconnected from the source document). Yes, I can use different techniques than xsl:function if needed (of course). Oh, and before I forget: I can do so with extension functions or assignable variables (saxon), but I'd rather not to.
Any ideas? It seems easy enough, but I couldn't find any (quick) resolutions.
TIA,
Cheers, -- Abel
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