Subject: [Fwd: [linux-audio-dev] Command parser?]
From: Maurizio Umberto Puxeddu (umbpux_AT_tin.it)
Date: Wed Aug 23 2000 - 02:14:17 EEST
Maurizio Umberto Puxeddu wrote:
>
> > > Anyway, now I need a simple language for an audio project. The file
> > > format would be following.
> > >
> > > command1 <float>
> > > command2 <int> <int> <float>
> > > command3 <string> <float> <float>
> > >
> > > I have started to write a simple parser which finds first command,
> > > and then reads as many parameters as the command has, and then another
> > > command. It will exit the program if an error is found. First problem
> > > is: how to find the commands and parameters? With fscanf(..,"%s",..)
> > > and fscanf(..,"%f",..), and so on? How about comment lines?
> > >
> > > Or should I use Bison? Can Guile be used? Python? What does Guile and
> > > Python code look a like? Any others? Would they work with the patent
> > > file problem? I.e., finding a string from an entire file.
>
> You should have a look to the Python standard library, in particular
> mudules like re (regular espressions) and cmd (a framework for command
> interpreter), but there are modules for audio data handling too!
> You can write a command line interpreter with history and help (just
> like ftp or gdb) in 3 minutes. I wrote a IRC client to be embedded in a
> commercial videogame in few hours using extensively the cmd.Cmd class
> and regular expressions.
> Python supports OOP and multithreading and is extensible and embeddable.
>
> Have fun,
> Maurizio Umberto Puxeddu
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