class ActionView::Base

def create_template_source(extension, template, render_symbol, locals)
  if template_requires_setup?(extension)
    body = case extension.to_sym
      when :rxml, :builder
        content_type_handler = (controller.respond_to?(:response) ? "controller.response" : "controller")
        "#{content_type_handler}.content_type ||= Mime::XML\n" +
        "xml = Builder::XmlMarkup.new(:indent => 2)\n" +
        template +
        "\nxml.target!\n"
      when :rjs
        "controller.response.content_type ||= Mime::JS\n" +
        "update_page do |page|\n#{template}\nend"
    end
  else
    #body = ERB.new(template, nil, @@erb_trim_mode).src
    body = convert_template_into_ruby_code(template)
  end
  #
  @@template_args[render_symbol] ||= {}
  locals_keys = @@template_args[render_symbol].keys | locals
  @@template_args[render_symbol] = locals_keys.inject({}) { |h, k| h[k] = true; h }
  #
  locals_code = ""
  locals_keys.each do |key|
    locals_code << "#{key} = local_assigns[:#{key}]\n"
  end
  #
  "def #{render_symbol}(local_assigns)\n#{locals_code}#{body}\nend"
end