module Roda::RodaPlugins::SinatraHelpers::RequestMethods

def uri(addr = nil, absolute = true, add_script_name = true)
  addr = addr.to_s if addr
  return addr if addr =~ /\A[A-z][A-z0-9\+\.\-]*:/
  uri = if absolute
    h = if @env.has_key?("HTTP_X_FORWARDED_HOST") || port != (ssl? ? 443 : 80)
      host_with_port
    else
      host
    end
    ["http#{'s' if ssl?}://#{h}"]
  else
    ['']
  end
  uri << script_name.to_s if add_script_name
  uri << (addr || path_info)
  File.join(uri)
end