Subject: Re: [xsl] xsl:import and use-when From: "Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Thu, 15 May 2014 22:40:48 -0000 |
The 2.0 spec says that in the dynamic context for evaluating use-when expressions, the set of available documents is empty. The 3.0 spec changes this to say it is implementation-defined. Michael Kay Saxonica On 15 May 2014, at 21:21, Rushforth, Peter peter.rushforth@xxxxxxxxxxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi, > > I have been experimenting with xsl:import@use-when to override templates imported by the main stylesheet module with > an import@href value (partially) generated by a filtered maven variable. Because the file so referenced may or may not exist, I've tried > to apply the @use-when attribute as follows: > > <xsl:import href="feedOrEntry2json-default.xsl"/> > <xsl:import href="feedOrEntry2json-api.xsl" use-when="doc-available('feedOrEntry2json-api.xsl')"/> > > The string 'api' is generated by the filtered maven variable, and the file does exist in the same directory as the importing stylesheet > (when I execute the doc-available('feedOrEntry2json-api.xsl') call in the xpath tester in oxygen, I get 'true' as a result). > > However, when I execute the stylesheet, the templates in the first import are (incorrectly) not overridden. > If I remove the @use-when, they are (correctly) overridden, but of course I can't do that in general because sometimes the file won't > exist and in that case I don't want the compilation to fail, hence the @use-when. > > Any advice appreciated, with thanks. > > Peter Rushforth
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