class SafeYAML::Transform

def self.to_guessed_type(value, quoted=false, options=nil)
  return value if quoted
  if value.is_a?(String)
    TRANSFORMERS.each do |transformer|
      success, transformed_value = transformer.method(:transform?).arity == 1 ?
        transformer.transform?(value) :
        transformer.transform?(value, options)
      return transformed_value if success
    end
  end
  value
end

def self.to_proper_type(value, quoted=false, tag=nil, options=nil)
  case tag
  when "tag:yaml.org,2002:binary", "x-private:binary", "!binary"
    decoded = Base64.decode64(value)
    decoded = decoded.force_encoding(value.encoding) if decoded.respond_to?(:force_encoding)
    decoded
  else
    self.to_guessed_type(value, quoted, options)
  end
end