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Subject [jira] Commented: (JELLY-143) Support for pluggable expression languages
Date Mon, 13 Sep 2004 01:16:38 GMT
The following comment has been added to this issue:

     Author: dion gillard
    Created: Sun, 12 Sep 2004 6:15 PM
I think this is/was attempted in the beanshell and bsf taglibs. I've never seen it working
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Here is an overview of the issue:
        Key: JELLY-143
    Summary: Support for pluggable expression languages
       Type: New Feature

     Status: Unassigned
   Priority: Major

    Project: jelly
             core / taglib.core

   Reporter: Hans Gilde

    Created: Sun, 12 Sep 2004 6:09 PM
    Updated: Sun, 12 Sep 2004 6:15 PM

The Marmalade guys seem to want/be proud of support for pluggable expression languages. I
think that this would be possible in Jelly.

We already have pluggable expression evaluators. The only change would be to add a default
evaluator into either the XMLParser or the context. Or both. This default evaluator would
have to be given to TagScripts, which would use it to evaluate expressions.

In this way, tags like xslt could continue to use their own expression system while other
tags could use a pluggable expression system.

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