From: Gabe Boyer <gboyer@...>
Date: 2006-08-04T01:46:43+09:00
Subject: Re: Creating Classes at runtime

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On 8/3/06, David Stokar <stodavid@student.ethz.ch> wrote:
>
> Hi everybody,
> this is my first post and allready a nifty question ;-)
>
> What I want:
> Create a NAMED class at runtime. Adding functions is clear.
>
>
> E.g. somthing like that: (ClassGenerator is an existing module)
> module ClassGenerator
>   def self.generate_new_class ( Parent_Class_Name, Name )
>   def self.add_method( source )
> end
>
> somewhere else:
>
> ClassGenerator::generate_new_class( Fixnum, MyInt );
> ClassGenerator::MyInt.add_method( %{ def special_one
>                        return 2
>                    }%
>                  )
>
> Thanks,
> David Stokar
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

Something like the following should accomplish what you want:

module ClassGenerator
  def self.generate_new_class(name, parent = Object)
    const_set(name, Class.new(parent))
  end
end

- Gabe

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