From: "David A. Black" <dblack@...>
Date: 2005-01-13T07:15:30+09:00
Subject: Re: Style question - how to represent properties

Hi --

On Thu, 13 Jan 2005, Tilman Sauerbeck wrote:

> Hi,
> I'm sorry, but I couldn't think of a more concise subject line.
>
> I'm currently writing Ruby bindings for libeet, which serializes C
> structs to disk.
>
> Objects that should be serializable with EET implement the
> "to_eet_properties" method, which currently looks like this:
>
> def to_eet_properties
> 	{
> 		"name" => [@name],
> 		"foobar" => [@some_fixnum, :int]
> 	}
> end
>
> So, to_eet_properties must return some kind of enumerable object, and
> each entry has at least two attributes, a tag and value.
> Optionally, there's a third attribute. If it's omitted, some default value
> will be used instead.
>
> I'd like to improve the way the user enters these properties.
> The hash-of-arrays I use currently doesn't feel like the right way to do
> this, is there a better way?

Maybe just arrays:

   def to_eet_properties
     return ["name", @name],
            ["foobar", @some_fixnum, :int]
   end

or possible a YAML representation?


David

-- 
David A. Black
dblack@wobblini.net