On 16 Mar 2008, at 02:42, Iñáki Baz Castillo wrote:
> El Domingo, 16 de Marzo de 2008, Eleanor McHugh escribi
>
>> The SIP protocol is in principle simple enough
>
> opss, sure it's not simple at all, a lot of amiguations, each header  as its
> own format, lots of extensions in lot of RFC's.... buff... simple?

I've probably spent too much time hanging around SIP obsessives ;)

>> However if you do want to go down the parser-generator route for
>> performance reasons then look at the Ragel parser in Mongrel as  
>> that's
>> very efficient and highly conformant with the HTTP RFC specs (given
>> some of the boundary cases in SIP conformance is probably high on  
>> your
>> list of priorities). As far as I'm aware Ragel produces parsers in C,
>> but the Mongrel code will show you how to turn that into a Ruby  
>> native
>> extension.
>
> AFAIK Ragel can write to Ruby since verison 6.0:
>  http://www.devchix.com/2008/01/13/a-hello-world-for-ruby-on-ragel-60
>
> Thanks a lot, I'll try Ragel.

I'll have to take a look at that myself.


Ellie

Eleanor McHugh
Games With Brains
----
raise ArgumentError unless @reality.responds_to? :reason