From: "ara.t.howard" <ara.t.howard@...>
Date: 2007-10-10T13:01:54+09:00
Subject: Re: YAML to Struct


On Oct 9, 2007, at 5:46 PM, Andrew Hite wrote:

> Is it possible to take YAML and turn it into a Struct?  I want to take
> something that looks like this:
>
> key_1: Value 1
> key_2: Value 2
>
> And turn it into an object with accessors...and I'm assuming a Struct
> would be my best bet.  I'm relatively new to the concepts of YAML and
> the Struct class, so I'm banging my head against the wall trying to
> figure this out.
>
> Any ideas?
> -- 
> Posted via http://www.ruby-forum.com/.
>


cfp:~ > cat a.rb
require 'yaml'

class Hash
   def to_struct class_name = nil
     klass =
       unless class_name
         Struct.new *keys.map{|key| key.to_sym}
       else
         Struct.new class_name.to_s, *keys.map{|key| key.to_sym}
       end
     klass.new *values
   end
end

hash = YAML.load DATA.read

struct = hash.to_struct

p struct
p struct.x
p struct.key
p struct.a

__END__
x : y
key : value
a : 42


cfp:~ > ruby a.rb
#<struct #<Class:0x40c43c> a=42, x="y", key="value">
"y"
"value"
42

a @ http://codeforpeople.com/
--
it is not enough to be compassionate.  you must act.
h.h. the 14th dalai lama