2012-05-20 05:14:54 +00:00
|
|
|
|
2012-04-19 06:32:10 +00:00
|
|
|
module Main where
|
|
|
|
|
|
|
|
import Control.Monad (msum,guard)
|
|
|
|
import Control.Monad.Trans (MonadIO(liftIO))
|
|
|
|
import Data.List (isPrefixOf, isSuffixOf)
|
2012-10-03 07:17:09 +00:00
|
|
|
import Data.Version (showVersion)
|
2012-05-20 05:14:54 +00:00
|
|
|
import Happstack.Server
|
2012-04-19 06:32:10 +00:00
|
|
|
import Happstack.Server.Compression
|
|
|
|
import System.Environment
|
2012-12-08 20:53:16 +00:00
|
|
|
import System.FilePath
|
2012-05-29 18:25:43 +00:00
|
|
|
import qualified Language.Elm as Elm
|
2012-10-03 06:47:46 +00:00
|
|
|
import Paths_elm_server
|
|
|
|
|
2012-12-08 20:53:16 +00:00
|
|
|
runtime = "/elm-" ++ showVersion version ++ ".js"
|
2012-04-19 06:32:10 +00:00
|
|
|
|
|
|
|
serve :: String -> IO ()
|
|
|
|
serve libLoc = do
|
2013-04-29 05:17:51 +00:00
|
|
|
putStrLn ("Elm Server " ++ showVersion version ++
|
|
|
|
": running at <http://localhost:8000>")
|
2012-12-13 06:52:32 +00:00
|
|
|
putStrLn "Just refresh a page to recompile it!"
|
2012-04-19 06:32:10 +00:00
|
|
|
simpleHTTP nullConf $ do
|
2012-05-30 22:01:54 +00:00
|
|
|
_ <- compressedResponseFilter
|
2012-10-02 19:59:06 +00:00
|
|
|
msum [ uriRest serveElm
|
|
|
|
, uriRest (serveLib libLoc)
|
2012-04-19 06:32:10 +00:00
|
|
|
, serveDirectory EnableBrowsing [] "."
|
|
|
|
]
|
|
|
|
|
2012-05-30 22:01:54 +00:00
|
|
|
pageTitle :: String -> String
|
2012-12-08 20:53:16 +00:00
|
|
|
pageTitle = dropExtension . takeBaseName
|
2012-05-23 03:45:19 +00:00
|
|
|
|
2012-10-02 19:59:06 +00:00
|
|
|
serveElm fp = do
|
2012-12-08 20:53:16 +00:00
|
|
|
guard (takeExtension fp == ".elm")
|
|
|
|
content <- liftIO (readFile (tail fp))
|
|
|
|
ok . toResponse $ Elm.toHtml runtime (pageTitle fp) content
|
2012-04-19 06:32:10 +00:00
|
|
|
|
2012-10-02 19:59:06 +00:00
|
|
|
serveLib libLoc fp = do
|
2012-12-08 20:53:16 +00:00
|
|
|
guard (fp == runtime)
|
2012-10-02 19:59:06 +00:00
|
|
|
serveFile (asContentType "application/javascript") libLoc
|
2012-04-19 06:32:10 +00:00
|
|
|
|
2012-05-30 22:01:54 +00:00
|
|
|
main :: IO ()
|
2012-04-19 06:32:10 +00:00
|
|
|
main = getArgs >>= parse
|
|
|
|
|
2012-05-30 22:01:54 +00:00
|
|
|
parse :: [String] -> IO ()
|
2012-04-19 06:32:10 +00:00
|
|
|
parse ("--help":_) = putStrLn usage
|
2012-10-03 07:17:09 +00:00
|
|
|
parse ("--version":_) = putStrLn ("The Elm Server " ++ showVersion version)
|
2013-04-29 05:17:51 +00:00
|
|
|
parse [] = serve =<< Elm.runtime
|
2012-04-19 06:32:10 +00:00
|
|
|
parse [arg]
|
|
|
|
| "--runtime-location=" `isPrefixOf` arg =
|
|
|
|
serve . tail $ dropWhile (/='=') arg
|
|
|
|
| otherwise = putStrLn usageMini
|
|
|
|
parse _ = putStrLn usageMini
|
|
|
|
|
2012-05-30 22:01:54 +00:00
|
|
|
usageMini :: String
|
2012-04-19 06:32:10 +00:00
|
|
|
usageMini =
|
|
|
|
"Usage: elm-server [OPTIONS]\n\
|
|
|
|
\Try `elm-server --help' for more information."
|
|
|
|
|
2012-05-30 22:01:54 +00:00
|
|
|
usage :: String
|
2012-04-19 06:32:10 +00:00
|
|
|
usage =
|
|
|
|
"Usage: elm-server [OPTIONS]\n\
|
|
|
|
\Compiles and serves .elm files from the current directory.\n\
|
|
|
|
\Example: elm-server\n\
|
|
|
|
\\n\
|
|
|
|
\Resource Locations:\n\
|
2012-10-03 06:47:46 +00:00
|
|
|
\ --runtime-location set the location of the Elm runtime\n\
|
2012-04-19 06:32:10 +00:00
|
|
|
\\n\
|
|
|
|
\Compiler Information:\n\
|
|
|
|
\ --version print the version information and exit\n\
|
|
|
|
\ --help display this help and exit\n\
|
|
|
|
\\n\
|
|
|
|
\Elm home page: <http://elm-lang.org>"
|