From: Kevin Bullock <kbullock+rubyforum@...>
Date: 2011-05-07T05:31:08+09:00
Subject: [ANN] ruby-configurable

I've just released ruby-configurable 1.0.1, a library that gives any
plain Ruby class a configuration object.

Code:
https://bitbucket.org/krbullock/configurable (Hg repo)
https://github.com/krbullock/configurable (Git mirror—thanks hg-git!)

Documentation:
http://handtools.rubyforge.org/ruby-configurable/

Why this implementation?

* Provides a simple class macro to declare allowed settings and their
default values.
* Settings are accessible via simple method calls, or array-style or
hash-style.
* Unknown configuration keys are rejected.
* Handles nested configuration keys (e.g. MyClass.config.foo.bar =
:baz).
* Convertible to a hash-argument-friendly form, for passing to methods
that take 'keyword' arguments.
* No dependencies outside core Ruby.

Current known shortcomings:

* Doesn't separate configuration of a subclass from that of its
superclass.
* No way to programmatically add allowed settings after the initial
declaration.

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