[rules-users] How to parse "comments" in "drl" file using DrlParser?

Edson Tirelli ed.tirelli at gmail.com
Fri Nov 4 10:15:16 EDT 2011


   Praveen,

   Comments are parsed into an ANTLR "hidden" channel. Check the ANTLR
documentation about how to capture tokens for a hidden channel if you want
to pursue that path.

   My suggestion for you is to use an annotation to store your
documentation instead. This allows you to easily access it from code:

rule X
   @doc( "This is the documentation for rule X..." )
...

   Edson

On Fri, Nov 4, 2011 at 7:55 AM, Praveen <praveen.sanju at gmail.com> wrote:

> Hi,
>
> The system we are building requires "rulenames" and "rule
> description(comments)" to be displayed in the UI(built using JQuery).
> I am using DrlParser to convert the drl(generated using Guvnor) to XML so
> that it could be used to display in the UI.
> However, the comments written in drl are not visible in the converted XML.
> Please let me know how to parse "comments" using DrlParser so that I can
> use
> it to display as "rule description".
>
> Thanks & Regards,
> Praveen.
>
> --
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-- 
  Edson Tirelli
  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com
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