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From "Dion Gillard" <dion.gill...@gmail.com>
Subject Re: Does Jelly support tag functions?
Date Tue, 01 Aug 2006 22:53:20 GMT
On 8/1/06, Paul Libbrecht <paul@activemath.org> wrote:
> Several folks have requested that... but we have not yet implemented it.
> Can you raise a jira issue with relatively complete example usages ?
>
> Dion, does jexl allow the addition of functions ?? What are the
> syntactic constraints ??

Nope. Jexl has a fixed grammar at this point (1.x), which is a PITA to
add new features to.

We're hoping to rewrite the Jexl internals for a 2.x which will make
this alot easier.

>
> paul
>
> Kees van Dieren wrote:
> > Thanks,
> >
> > This does answer my question; however it would be a nice feature to support
> > something like this in a next version (like JSP 2.0 tag functions)
> >
> >
> > Best regards,
> >
> > Kees van Dieren
> > Senior Software Engineer
> >
> > MP Objects Supply Chain Software
> > Stationsplein 45
> > 3013 AK Rotterdam
> > The Netherlands
> >
> > Post address:
> > Postbus 29126
> > 3001 GC Rotterdam
> >
> > Mobile: +31 (0)6-43068619
> > Phone: +31 (0)10-2900304
> > Fax: +31 (0)10-2900305
> > MSN: keesvandieren@gmail.com
> > LinkedIn: www.linkedin.com/in/keesvandieren
> >
> >
> > -----Original Message-----
> > From: Paul Libbrecht [mailto:paul@activemath.org]
> > Sent: Friday, July 28, 2006 11:38 AM
> > To: Jakarta Commons Users List
> > Subject: Re: Does Jelly support tag functions?
> >
> > No, I don't think this doable but you can define new java objects that can
> > have methods...
> >   <j:new var="myMath" className="com.x.MyMath"/>
> >   <jct:myCustomTag customAttr="${myMath.sqr(33)}"/> Does it answer your
> > question ?
> > paul
> >
> >
> > Kees van Dieren wrote:
> >
> >> Hi all,
> >>
> >> Does Jelly suppor tag functions, such as:
> >> <ct:myCustomTag customAttr="${tagf:sqr(33)}"/>
> >>
> >> Is there a way define custom tag functions? If not, how difficult is it to
> >> built in support for this?
> >>
> >> Best regards,
> >>
> >> Kees van Dieren
> >> Senior Software Engineer
> >>
> >> MP Objects Supply Chain Software
> >> Stationsplein 45
> >> 3013 AK Rotterdam
> >> The Netherlands
> >>
> >> Post address:
> >> Postbus 29126
> >> 3001 GC Rotterdam
> >>
> >> Mobile: +31 (0)6-43068619
> >> Phone: +31 (0)10-2900304
> >> Fax: +31 (0)10-2900305
> >> MSN: keesvandieren@gmail.com
> >> LinkedIn: www.linkedin.com/in/keesvandieren
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> > ---------------------------------------------------------------------
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> > For additional commands, e-mail: commons-user-help@jakarta.apache.org
> >
> >
>
>
>
>


--
http://www.multitask.com.au/people/dion/
"If you even dream of beating me you'd better wake up and apologize" -
Muhammad Ali


-- 
http://www.multitask.com.au/people/dion/
"If you even dream of beating me you'd better wake up and apologize" -
Muhammad Ali

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