+{-# LANGUAGE
+ UnboxedTuples
+ , UnicodeSyntax
+ #-}
-- |MIME Type guessing by a file extension. This is a poor man's way
-- of guessing MIME Types. It is simple and fast.
--
, serializeExtMap
)
where
-
import qualified Data.ByteString.Lazy.Char8 as B
import qualified Data.Map as M
-import Data.Map (Map)
-import Data.Maybe
-import Language.Haskell.Pretty
-import Language.Haskell.Syntax
-import Network.HTTP.Lucu.MIMEType
-import Network.HTTP.Lucu.Parser
-import Network.HTTP.Lucu.Parser.Http
-import Network.HTTP.Lucu.Utils
-import System.IO
+import Data.Map (Map)
+import Data.Maybe
+import Language.Haskell.Pretty
+import Language.Haskell.Syntax
+import Network.HTTP.Lucu.MIMEType
+import Network.HTTP.Lucu.Parser.Http
+import Network.HTTP.Lucu.Utils
-- |'Data.Map.Map' from extension to MIME Type.
type ExtMap = Map String MIMEType
= fpath `seq`
do file <- B.readFile fpath
case parse (allowEOF extMapP) file of
- (Success xs, _) -> return $ compile xs
- (_, input') -> let near = B.unpack $ B.take 100 input'
- in
- fail ("Failed to parse: " ++ fpath ++ " (near: " ++ near ++ ")")
+ (# Success xs, _ #)
+ -> return $ compile xs
+
+ (# _, input' #)
+ -> let near = B.unpack $ B.take 100 input'
+ in
+ fail ("Failed to parse: " ++ fpath ++ " (near: " ++ near ++ ")")
extMapP :: Parser [ (MIMEType, [String]) ]
where
spc = oneOf " \t"
- comment = do many spc
- char '#'
- many $ satisfy (/= '\n')
- return Nothing
+ comment = many spc >>
+ char '#' >>
+ ( many $ satisfy (/= '\n') ) >>
+ return Nothing
- validLine = do many spc
+ validLine = do _ <- many spc
mime <- mimeTypeP
- many spc
+ _ <- many spc
exts <- sepBy token (many spc)
return $ Just (mime, exts)
[] (HsUnGuardedRhs extMapExp) []]
]
extMapExp = HsApp (HsVar (Qual (Module "M") (HsIdent "fromList"))) (HsList records)
- comment = "{- !!! WARNING !!!\n"
- ++ " This file is automatically generated.\n"
- ++ " DO NOT EDIT BY HAND OR YOU WILL REGRET -}\n\n"
+ comment = "{- !!! WARNING !!!\n"
+ ++ " This file is automatically generated.\n"
+ ++ " DO NOT EDIT BY HAND OR YOU WILL REGRET -}\n\n"
in
comment ++ prettyPrint hsModule ++ "\n"
where