[Catalyst] Dispatch matching more than the path?

[Matt S Trout]

Garrett Goebel wrote:
> I've been looking at Audrey Tang's Jifty::Plugin::Dispatcher::REST 
> (http://pugs.blogs.com/pugs/2006/07/rhox_slides_las.html) and DHH's 
> "Discovering a world of Resources on Rails" 
> (http://www.loudthinking.com/lt-files/worldofresources.pdf) presentation 
> from the 2006 RoR conference. I'm trying to work up something similar 
> for Catalyst.
> 
> My understanding from reading Catalyst's source, is that its dispatcher 
> exclusively matches on path. I'm finding that I often want to 
> collectively match the path, request method and uri path parameters 
> (i.e., what follows the ';' in the path segments of the path components 
> of the uri). 
> 
> I hacked something into the Path and Regex dispatchers to get collective 
> matching on method and path working in the prototype.

You shouldn't need to hack anything into these; just use a custom ActionClass 
that overrides $action->match to introspect onto the request method and 
anything else you need (this is already how :Args is handled, see the 
Catalyst::Action source for the implementation).

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