module Hack.Contrib.Middleware.SimpleRouter (route) where
import Hack
import Hack.Contrib.Utils
import MPSUTF8
import Prelude hiding ((.), (^), (>))
import List (find, isPrefixOf)
type RoutePath = (String, Application)
route :: [RoutePath] -> Middleware
route h app = \env ->
let path = env.path_info
script = env.script_name
mod_env location = env
{ script_name = script ++ location
, path_info = path.drop (location.length)
}
in
case h.find (fst > (`isPrefixOf` path) ) of
Nothing -> app env
Just (location, app') -> app' (mod_env location)