From: "Morris, Chris" <chris.morris@...>
Date: 2001-10-27T02:56:44+09:00
Subject: [ruby-talk:23481] Capture undefined method calls?

I've got the following line:

  document.form.ObjectID.value = 'x'

form currently is an html dom node. What I'd like to do is something like
(psuedo code falling out all over the place):

  def form
    # return a wrapper for the node
    NodeWrapper.new(document.form)
  end

  class NodeWrapper
    def initialize(node)
      @node = node
    end

    def someSortOfCatchAllForUndefinedCalls(*args)
      propName = nameOfUndefinedMethod # e.g. ObjectID
      if @node.hasProperty(propName) 
        @node.propName.value = args[0]
      else
        assert(false, 'property does not exist')
      end
    end
  end

then I could simplify the initial call to:

  form.ObjectID = 'x' # maybe, haven't accounted for = sign

... and get some additional testing code. Hmmm, well I'm not sure if this
would be that useful to me now that I've thought it through, but I'm still
curious if Ruby can do this sort of thing ... it seems like it could.

Chris