gistfile1.txt

grammar MyApp {
  token TOP {
    ( <public> | <auth> )
    ( ( "/json" $ { c.forward("View::JSON") } ) |
      { c.forward("View::HTML") }
    )
  }
  token public {
    <main>   |
    <about>  |
    <contact>
  }
  token auth {
    { fail unless c.user }
    <customers>
  }
  token customers {
    "/customer"
    ( <customer> |
      <list_customers )
  }
  token customer {
    "/" $customer_id := (\d+) { c.stash<customer> = c.model("Customer").find($customer_id) }
    <view_customer>
  }
  token list_customers {
    { c.stash<template> = "list_customers" }
  }
  token view_customer {
    { c.stash<template> = "view_customer" }
  }
}