From: George Moschovitis <george.moschovitis@...>
Date: 2005-11-16T21:48:21+09:00
Subject: Re: YAML on 1.8.3 question

Anw,

just show that:

obj = YAML.load(str)
obj.ivars

does the trick

thanks,
-g.

On 11/16/05, George Moschovitis <george.moschovitis@gmail.com> wrote:
> Ehm,
>
> I forgot to tell you that the original object does not exist in the
> current context.
>
> so, o = YAML.load does not yield an object.
>
> -g.
>
>
> On 11/16/05, Mauricio Fern�ndez <mfp@acm.org> wrote:
> > On Wed, Nov 16, 2005 at 08:53:08PM +0900, George Moschovitis wrote:
> > > Hello all,
> > >
> > > I have a yaml file that I parse like this
> > >
> > > yaml = YAML.parse(yaml_str)
> > >
> > > the 'yaml_str' variable holds the serialized version of an Object.
> > > Lets say this object hase 2 attributes, 'title' and 'body'.
> > >
> > > How can I access them from the 'yaml' variable. Ie I want an imaginary
> > > method 'lookup':
> > >
> > > yaml.lookup['title'] # => returns the title value.
> >
> > require 'yaml'
> > o = Object.new
> > o.instance_eval{ @title = "foo"; @body = "bar" }
> > s = YAML.dump(o) # => "!ruby/object \nbody: bar\ntitle: foo\n"
> >
> > # for instance
> > def add_lookup(obj)
> >   def obj.lookup(x); instance_variable_get "@#{x}" end
> > end
> >
> > o2 = YAML.load(s)
> > add_lookup(o2)
> > o2.lookup "title" # => "foo"
> > o2.lookup "body" # => "bar"
> > [RUBY_VERSION, RUBY_RELEASE_DATE] # => ["1.8.3", "2005-09-24"]
> >
> > --
> > Mauricio Fernandez
> >
> >
>
>
> --
> http://www.gmosx.com
> http://www.navel.gr
> http://www.nitrohq.com
>


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