From: Gavin Sinclair <gsinclair@...>
Date: 2004-07-13T07:08:26+09:00
Subject: Re: can't override a cgi function, please help

On Tuesday, July 13, 2004, 8:02:35 AM, Cere wrote:

> This is soooo driving me crazy!

> I'm just trying to override the checkbox function on the CGI ruby 
> library and can not.  Can someone tell me what I am doing wrong?

> Simply:

> require 'cgi'

> class << CGI
> 	def checkbox(name="",val=nil,checked=nil)
> 		puts "asdf"
> 		puts @params[name]
> 	end
> end

> cgi=CGI.new('html3')
> cgi.out() do
> cgi.html() do
> cgi.body() do
>      cgi.form("get")  do
>          cgi.checkbox('box','true',"checd") +
>          cgi.br +
>      cgi.submit("Okey Dokey?")
>      end
> end
> end
> end

You're creating/overriding a *class* method of CGI, not an *instance*
method.  Try -- with the code above -- calling 'CGI.checkbox(...)' and
see what happens.

Do this:

  class CGI
    def checkbox(...)
      ...
    end
  end

Cheers,
Gavin