[LC++]State Machines

[Bernd Hoehl]

This looks like a project I found at
http://www.networkimprov.com/enitl/try.html
Have a look at it, as the source is available.

Bernd

----- Original Message ----- 
From: "Paul M Foster" <paulf at quillandmouse.com>
To: "Linux C++ List" <tuxcpprogramming at lists.linux.org.au>
Sent: Friday, December 14, 2001 6:16 AM
Subject: Re: [LC++]State Machines


> On Wed, Dec 12, 2001 at 02:06:04PM -0500, Jack Lloyd wrote:
> 
> > If you have access to a copy of Design Patterns, check out the "State"
> > and "Interpreter" models. The State pattern does almost exactly what you're
> > suggesting. Also the Flyweight pattern to reduce memory usage would
> > probably come in very handy.
> > 
> > I would say it's an interesing idea that could be fairly practical. -J
> > 
> 
> Grrr. This is like the 50th time someone's recommended that book. Okay,
> so I went out and bought it. Tough slogging, as I'm not an expert at
> this, but a pretty good book.
> 
> Thanks,
> 
> Paul
> 
> 
> > On Mon, 10 Dec 2001, Paul M Foster wrote:
> > 
> > > I'm just playing with some ideas here, and looking for feedback. Anyone
> > > ever heard of doing a state machine as a set of classes, with each state
> > > as a separate class? I'm thinking about parsing a file containing
> > > keywords and parameters. (Yes, I know you can use lex and yacc for this;
> > > I'm just kicking around ideas.)
> > >
> > > I haven't fleshed this out fully in my mind, but there might be a base
> > > class that has a get_next_token() method. Each class inherits from the
> > > base class and handles a specific state. The state class object would
> > > process whatever it needed to, and then have a next() method that called
> > > the get_next_token() method, interpreted the token, and determined what
> > > the next state would be, etc.
> > >
> > > Is this a really horrible idea? Intriguing?
> > >
> > > Paul
> > >
> > > _______________________________________________
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> > >
> > 
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>