From: ara.t.howard@...
Date: 2006-03-18T07:11:39+09:00
Subject: Re: Getting the name of a class that's in a module

On Sat, 18 Mar 2006, Mike Austin wrote:

> 'some_object.class.to_s' doesn't work because it returns the entire 
> hierarchy, i.e 'SomeModule::SomeClass'.  I could do some string ops on that 
> but it seems there would be an easier way.  Here's an example:
>
> class MenuStyle
>  class Button < Style
>  end
> end
>
> class View
>  def initialize()
>    @delegate = MenuStyle.const_get( self.class.to_s )
>  end
> end

     harp:~ > cat a.rb
     #
     # creates a class by class name
     #
       def klass_stamp(hierachy, *a, &b)
         ancestors = hierachy.split(%r/::/)
         parent = Object
         while((child = ancestors.shift))
           klass = parent.const_get child
           parent = klass
         end
         klass::new(*a, &b)
       end

hth.

-a
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