Re: Domain name label length

On 26/12/2017 11:38 AM, Michael Powell wrote:
> Hello,
> 
> So, a domain name label looks something like this, in general, right?
> 
> _label = _let >> *(_let | _dig | _hyp) >> (_let | _dig);
> 
> However, another stipulation is that its length must be <=63 according
> to the RFC:
> 
> https://tools.ietf.org/html/rfc1034#section-3.5
> 
> So... Is there a way to constrain that using Qi?

Yes, but if I were you, I'd probably avoid having too much smarts in
the parser and have those checks post-hoc.

Regards,
-- 
Joel de Guzman
http://www.ciere.com
http://boost-spirit.com
http://www.cycfi.com/

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