[jira] Commented: (DIRSERVER-814) ACI parser hangs when using rangeOfValues with nested filter

["Ersin Er (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRSERVER-814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12462759 ] 

Ersin Er commented on DIRSERVER-814:
------------------------------------

Yes, I realized this a few days ago while trying to parse a filter expression in subtreeSpecification grammar. ACI grammar also uses the Filter parser for parsing rangeOfValues but filter expression candidates cannot be determined correctly. We need to find a correct way of handling such issues which is determining the bounds of sub grammar (filter) in order to give it to sub parser. Why we cannot easily determine bounds of a filter expression is that a filter includes nested paranthesis. So we cannot easily state that "a filter expression starts with a ( and ends with a ).

> ACI parser hangs when using rangeOfValues with nested filter
> ------------------------------------------------------------
>
>                 Key: DIRSERVER-814
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-814
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: ldap
>    Affects Versions: 1.5.0, 1.0
>            Reporter: Stefan Seelmann
>
> The ACI parser hangs when parsing an ACI with the following filter:
>     { rangeOfValues (&(cn=test)(sn=test)) }

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