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From "Jaroslav Pullmann (JIRA)" <>
Subject [jira] Created: (SCXML-106) Support for XPath as further EL
Date Mon, 23 Mar 2009 10:07:50 GMT
Support for XPath as further EL

                 Key: SCXML-106
             Project: Commons SCXML
          Issue Type: Improvement
    Affects Versions: 0.9
            Reporter: Jaroslav Pullmann
            Priority: Minor

 Adding support for XPath (2.0?) as further expression language was already suggested earlier

 Not aware, whether there is any ongoing development I'd ask for this important enhancement.

 Use cases: 
  - access to a wide range of built-in functions (count, matches)

  - navigation with predicates involving string value tests:

    Since XPathes are passed as arguments to the Data function
    and JEXL does not provide for escaping quotes (see [2])
    there is currently no way to express pathes like:
    <assign location="Data(mydata,'list/item[@id=\'foo\']')" expr... 

    Top-level XPath expressions would enable such (more natural) navigation:

    <assign location="/data[@id='mydata']/list/item[@id='foo']" expr... 


     Many thanks

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