X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FMIMEType.hs;h=acd76b67b1bfc7b9796498fd6b2cbfa2adbcdf8e;hb=ea2b7838f1b3d9d4923a220a601be2e04cc559d7;hp=88a2eeffde0ad8e7e673af93c425f506c6d5706e;hpb=9bb89434103e9a22f100d6ecb7e65a5d461e0454;p=Lucu.git diff --git a/Network/HTTP/Lucu/MIMEType.hs b/Network/HTTP/Lucu/MIMEType.hs index 88a2eef..acd76b6 100644 --- a/Network/HTTP/Lucu/MIMEType.hs +++ b/Network/HTTP/Lucu/MIMEType.hs @@ -1,8 +1,7 @@ {-# LANGUAGE - UnboxedTuples + OverloadedStrings , UnicodeSyntax #-} -{-# OPTIONS_HADDOCK prune #-} -- |Manipulation of MIME Types. module Network.HTTP.Lucu.MIMEType @@ -14,70 +13,53 @@ module Network.HTTP.Lucu.MIMEType , mimeTypeListP ) where -import Data.Ascii (Ascii, CIAscii) +import Control.Applicative +import Data.Ascii (Ascii, AsciiBuilder, CIAscii) import qualified Data.Ascii as A -import qualified Data.ByteString.Lazy as B +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.Utils +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 :: !CIAscii - , mtMinor :: !CIAscii - , mtParams :: ![ (CIAscii, Ascii) ] + mtMajor ∷ !CIAscii + , mtMinor ∷ !CIAscii + , mtParams ∷ !(Map CIAscii Text) } deriving (Eq, Show) --- |Convert a 'MIMEType' to 'Ascii'. -printMIMEType ∷ MIMEType → Ascii +-- |Convert a 'MIMEType' to 'AsciiBuilder'. +printMIMEType ∷ MIMEType → AsciiBuilder printMIMEType (MIMEType maj min params) - = A.fromAsciiBuilder $ - ( A.toAsciiBuilder maj ⊕ - A.toAsciiBuilder "/" ⊕ - A.toAsciiBuilder min ⊕ - if null params then - (∅) - else - A.toAsciiBuilder "; " ⊕ - joinWith "; " (map printPair params) - ) - where - printPair ∷ (CIAscii, Ascii) → A.AsciiBuilder - printPair (name, value) - = A.toAsciiBuilder (A.fromCIAscii name) ⊕ - A.toAsciiBuilder "=" ⊕ - if any ((¬) ∘ isToken) value then - quoteStr value - else - A.toAsciiBuilder value + = 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 +parseMIMEType str + = let p = do t ← mimeTypeP + endOfInput + return t + bs = A.toByteString str + in + case parseOnly p bs of + Right t → t + Left err → error ("unparsable MIME Type: " ⧺ A.toString str ⧺ ": " ⧺ err) -mimeTypeP :: Parser MIMEType -mimeTypeP = allowEOF $! - do maj <- token - _ <- char '/' - min <- token - params <- many paramP +mimeTypeP ∷ Parser MIMEType +mimeTypeP = do maj ← A.toCIAscii <$> 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] +mimeTypeListP = listOf mimeTypeP