X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FMIMEType.hs;h=36cdf0f82797b491783e9fd8ad1cac48fc2848ff;hb=72a3e24;hp=a8f04377da6defab7c0ef546c7b969eabd43262f;hpb=3d017dd65ddede9a11c5b7a34a91e04340e67bc4;p=Lucu.git diff --git a/Network/HTTP/Lucu/MIMEType.hs b/Network/HTTP/Lucu/MIMEType.hs index a8f0437..36cdf0f 100644 --- a/Network/HTTP/Lucu/MIMEType.hs +++ b/Network/HTTP/Lucu/MIMEType.hs @@ -1,74 +1,81 @@ --- #prune +{-# LANGUAGE + OverloadedStrings + , UnicodeSyntax + #-} -- |Manipulation of MIME Types. module Network.HTTP.Lucu.MIMEType ( MIMEType(..) + , mkMIMEType + , parseMIMEType + , printMIMEType + , mimeTypeP , mimeTypeListP ) where - -import qualified Data.ByteString.Lazy as B -import Network.HTTP.Lucu.Parser -import Network.HTTP.Lucu.Parser.Http -import Network.HTTP.Lucu.Utils -import Prelude hiding (min) +import Control.Applicative +import Data.Ascii (Ascii, AsciiBuilder, CIAscii) +import qualified Data.Ascii as A +import Data.Attoparsec.Char8 as P +import Data.Map (Map) +import Data.Monoid.Unicode +import Data.Text (Text) +import Network.HTTP.Lucu.Parser.Http +import Network.HTTP.Lucu.RFC2231 +import Prelude hiding (min) +import Prelude.Unicode -- |@'MIMEType' \"major\" \"minor\" [(\"name\", \"value\")]@ -- represents \"major\/minor; name=value\". data MIMEType = MIMEType { - mtMajor :: !String - , mtMinor :: !String - , mtParams :: ![ (String, String) ] + mtMajor ∷ !CIAscii + , mtMinor ∷ !CIAscii + , mtParams ∷ !(Map CIAscii Text) } deriving (Eq) - instance Show MIMEType where - show (MIMEType maj min params) - = maj ++ "/" ++ min ++ - if null params then - "" - else - "; " ++ joinWith "; " (map showPair params) - where - showPair :: (String, String) -> String - showPair (name, value) - = name ++ "=" ++ if any (not . isToken) value then - quoteStr value - else - value + show = A.toString ∘ A.fromAsciiBuilder ∘ printMIMEType +-- |Construct a 'MIMEType' without any parameters. +mkMIMEType ∷ CIAscii → CIAscii → MIMEType +{-# INLINE mkMIMEType #-} +mkMIMEType maj min + = MIMEType maj min (∅) -instance Read MIMEType where - readsPrec _ s = [(parseMIMEType s, "")] +-- |Convert a 'MIMEType' to 'AsciiBuilder'. +printMIMEType ∷ MIMEType → AsciiBuilder +{-# INLINEABLE printMIMEType #-} +printMIMEType (MIMEType maj min params) + = A.toAsciiBuilder (A.fromCIAscii maj) ⊕ + A.toAsciiBuilder "/" ⊕ + A.toAsciiBuilder (A.fromCIAscii min) ⊕ + printParams params --- |Parse 'MIMEType' from a 'Prelude.String'. This function throws an +-- |Parse 'MIMEType' from an 'Ascii'. This function throws an -- exception for parse error. -parseMIMEType :: String -> MIMEType -parseMIMEType str = case parseStr mimeTypeP str of - (# Success t, r #) -> if B.null r - then t - else error ("unparsable MIME Type: " ++ str) - (# _ , _ #) -> error ("unparsable MIME Type: " ++ str) - +parseMIMEType ∷ Ascii → MIMEType +{-# INLINEABLE parseMIMEType #-} +parseMIMEType str + = case parseOnly p $ A.toByteString str of + Right t → t + Left err → error ("unparsable MIME Type: " ⧺ A.toString str ⧺ ": " ⧺ err) + where + p ∷ Parser MIMEType + {-# INLINE p #-} + p = do t ← mimeTypeP + endOfInput + return t -mimeTypeP :: Parser MIMEType -mimeTypeP = allowEOF $! - do maj <- token - char '/' - min <- token - params <- many paramP +mimeTypeP ∷ Parser MIMEType +{-# INLINEABLE mimeTypeP #-} +mimeTypeP = do maj ← A.toCIAscii <$> token + _ ← char '/' + min ← A.toCIAscii <$> token + params ← paramsP return $ MIMEType maj min params - where - paramP :: Parser (String, String) - paramP = do many lws - char ';' - many lws - name <- token - char '=' - value <- token <|> quotedStr - return (name, value) -mimeTypeListP :: Parser [MIMEType] -mimeTypeListP = allowEOF $! listOf mimeTypeP +mimeTypeListP ∷ Parser [MIMEType] +{-# INLINE mimeTypeListP #-} +mimeTypeListP = listOf mimeTypeP