Re: control over encoding

On Jul 27, 2006, at 2:37 AM, Benjamin Tucker wrote:

> Hi all,
>
> I'm new to Petal and the list, so I apologize if this is something  
> that's been discussed before.  I spent the better part of today  
> integrating Petal into a mod_perl-based CMS.  All went very well  
> with one exception.  There are a number of methods I had wanted to  
> expose to the templates which return HTML.  Of course Petal  
> helpfully encodes them.  I know that it provides the 'structure'  
> keyword to turn this off, but I didn't want template authors to be  
> forced to think about it, and rather wanted control from the data  
> side of when escaping should not occur.
>
> So my solution was I changed all the exposed methods that returned  
> HTML to return the string as a scalar ref.  next I changed  
> Petal::Hash::Var::process to not dereference scalar refs.  then I  
> added to Petal::Hash::get_encoded logic not to not encode if $res  
> is a scalar reference, and then dereferences $res.  (see attached  
> patches).
>
> Will this break anything?  is Petal::Hash::Var::process ever  
> accessed without going through Petal::Hash::get_encoded?  Does  
> anyone have a suggestion of a better solution.

Teach your people to use 'structure' when they want HTML and not when  
they don't-- because that distinction is in the TAL specification,  
which means your hack is Petal specific, and your templates worthless  
with any other implementatino