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https://issues.apache.org/jira/browse/SHINDIG-1137?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacky Wang updated SHINDIG-1137:
--------------------------------

    Attachment: expression_lexer_4.patch

updated one.  fixed the unittest bug.

> Implement the Expression evaluator for JSP EL-like OpenSocial Template 
> language
> -------------------------------------------------------------------------------
>
>                 Key: SHINDIG-1137
>                 URL: https://issues.apache.org/jira/browse/SHINDIG-1137
>             Project: Shindig
>          Issue Type: Improvement
>          Components: PHP
>         Environment: N/A
>            Reporter: Jacky Wang
>            Priority: Critical
>         Attachments: expression_lexer.patch, expression_lexer_2.patch, 
> expression_lexer_3.patch, expression_lexer_4.patch
>
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> The expression language used in OpenSocial templating system is a JSP EL-like 
> one.  We need a EL evaluator which could do the following items correctly:
> 1) number / boolean operation
> 2) function calls
> 3) string handling
> 4) ternary conditional workflow
> 5) data context de-reference
> 6) nested structures

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