[prev in list] [next in list] [prev in thread] [next in thread] 

List:       xml-cocoon-dev
Subject:    Re: CForms widget ID naming (was Re: [Vote] Releasing on friday)
From:       Carsten Ziegeler <cziegeler () apache ! org>
Date:       2005-11-03 9:48:15
Message-ID: 4369DCDF.6090407 () apache ! org
[Download RAW message or body]

Sylvain Wallez wrote:
> This usage in CForms has already been introduced by the recent library 
> stuff, which associates prefixes to libraries, thus effectively 
> forbidding the use of ":" in widget ids (otherwise you cannot 
> differenciate between a widget name and a composite name that references 
> a library widget).
> 
> That is why I chose this character. The "/" and "." are also forbidden 
> (used for lookup paths). The "." cannot be used as it is used to combine 
> widget names in the generated IDs, and thus would lead to a similar 
> problem as the current one: "-" can conflict with siblings, and "." can 
> conflict with children.
> 
Do we already validate a widget id if it does not contain all of these
forbidden characters? If not, we really should check this and throw an
exception when the model is read. Early failing is better than
unpredictable results later on.

Carsten

-- 
Carsten Ziegeler - Open Source Group, S&N AG
http://www.s-und-n.de
http://www.osoco.org/weblogs/rael/
[prev in list] [next in list] [prev in thread] [next in thread]