From: TRANS <transfire@...>
Date: 2007-03-25T06:09:07+09:00
Subject: Re: interaction bug between rexml and yaml

On 3/23/07, David Vanderson <dvanderson@customink.com> wrote:
> Hello,
>
> I've been having some trouble converting rexml documents to yaml and
> back.  See the following test case:
> #!/usr/bin/env ruby
> require 'yaml'
> require 'rexml/document'
> d = REXML::Document.new '<my_doc my_attr="my_val">Hello</my_doc>'
> puts YAML::load(d.to_yaml)
>
> When I run it I get this error:
> NoMethodError: undefined method `each_value' for "my_val":String
>         from /usr/lib/ruby/1.8/rexml/element.rb:1029:in `each_attribute'
>         from /usr/lib/ruby/1.8/rexml/element.rb:1025:in `each_attribute'
>         from /usr/lib/ruby/1.8/rexml/element.rb:684:in `write'
>         from /usr/lib/ruby/1.8/rexml/document.rb:165:in `write'
>         from /usr/lib/ruby/1.8/rexml/document.rb:163:in `write'
>         from /usr/lib/ruby/1.8/rexml/node.rb:23:in `to_s'
>         from (irb):5
>
> I believe it has something to do with the REXML::Attributes class
> extending Hash, so YAML::load produces just a Hash, without Attribute
> objects inside.
>
> This is with:
> ruby 1.8.4 (2005-12-24) [i386-linux]
>
> Can anyone else reproduce this?

Get the same. Same version of ruby, though.

T.