module OEmbed::Formatter::XML::Backends::REXML

def decode(xml)
  if !xml.respond_to?(:read)
    xml = StringIO.new(xml)
  end
  obj = {}
  doc = ::REXML::Document.new(xml)
  doc.elements[1].elements.each do |el|
    obj[el.name] = el.text
  end
  obj
rescue
  case $!
  when parse_error
    raise $!
  else
    raise parse_error, "Couldn't parse the given document."
  end  
end

def decode_fail_msg
  "The version of the REXML library you have installed isn't parsing XML like ruby-oembed expected."
end

def parse_error
  ::REXML::ParseException
end