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[MUD-Dev] Re: Question on c++ switch optimization, and parsers in general.
Ola Fosheim Grøstad wrote:
>
> Ben Greear wrote:
>
> > Basically, I'll have a bunch of classes hashed into an array
> > that will contain the keywords mapped to an enum.
> >
> > Now, I get the enum, and then I need to call the various commands
> > that the enum maps to.
>
> Maybe I am interpreting "keywords" wrong here, but if you know the keywords
> at compile time then you might want to look into programs that can come up
> with a perfect hash-function for you. A perfect hashfunction is a function
> that takes a string and returns a unique number for your N keywords in the
> range [0..N]. Your unix system (if you use one) probably comes with a
> program to generate a perfect hashfunction.
I'd do that, but I want the user to be able to abbreviate any command.
I couldn't figure out a way to hash and still get that feature.
>
> --
> Ola Fosheim Groestad,Norway http://www.stud.ifi.uio.no/~olag/
--
Ben Greear (greear#cyberhighway,net) http://www.primenet.com/~greear
Author of ScryMUD: mud.primenet.com 4444 (Released under GPL)
http://www.primenet.com/~greear/ScryMUD/scry.html
- Thread context:
- [MUD-Dev] Question on c++ switch optimization, and parsers in general.,
Ben Greear greear#cyberhighway,net, Mon 08 Feb 1999, 05:32 GMT
- [MUD-Dev] Re: Question on c++ switch optimization, and parsers i,
Jon A. Lambert jlsysinc#ix,netcom.com, Mon 08 Feb 1999, 05:56 GMT
- [MUD-Dev] Re: Question on c++ switch optimization, and parsers in general.,
Ola Fosheim Grøstad olag#ifi,uio.no, Mon 08 Feb 1999, 16:53 GMT
- [MUD-Dev] Re: Question on c++ switch optimization, and parsers in general.,
Adam Wiggins adam#angel,com, Mon 08 Feb 1999, 19:47 GMT
- [MUD-Dev] Re: Question on c++ switch optimization, and parsers in general.,
Mark Gritter mark#erdos,Stanford.EDU, Mon 08 Feb 1999, 21:18 GMT
- [MUD-Dev] Re: Question on c++ switch optimization, and parsers in general.,
Oliver Jowett icecube#ihug,co.nz, Mon 08 Feb 1999, 21:23 GMT
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