class TinyMCE::Rails::Configuration

def preprocess_option(key, value)
  result = value
  if result.is_a?(Hash)
    result = preprocess_options(value)
  elsif array_option?(key, value)
    result = value.join(OPTION_SEPARATORS[key])
  elsif function_option?(value)
    result = Function.new(value)
  end
  if transformer = OPTION_TRANSFORMERS[key]
    result = transformer.call(result)
  end
  result
end