X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FMIMEType.hs;h=36cdf0f82797b491783e9fd8ad1cac48fc2848ff;hb=72a3e24;hp=bd799e0d58f840dc9cb700be51e33e19e6496057;hpb=c6b11025d1f81c668e9995e856b7bb34175230d3;p=Lucu.git

diff --git a/Network/HTTP/Lucu/MIMEType.hs b/Network/HTTP/Lucu/MIMEType.hs
index bd799e0..36cdf0f 100644
--- a/Network/HTTP/Lucu/MIMEType.hs
+++ b/Network/HTTP/Lucu/MIMEType.hs
@@ -1,78 +1,81 @@
+{-# LANGUAGE
+    OverloadedStrings
+  , UnicodeSyntax
+  #-}
+
+-- |Manipulation of MIME Types.
 module Network.HTTP.Lucu.MIMEType
     ( MIMEType(..)
-    , (+/+)         -- String -> String -> MIMEType
-    , (+:+)         -- MIMEType -> (String, String) -> MIMEType
-    , (+=+)         -- String -> String -> (String, String)
-    , mimeTypeP     -- Parser MIMEType
-    , mimeTypeListP -- Parser [MIMEType]
-    )
-    where
-
-import           Network.HTTP.Lucu.Parser
-import           Network.HTTP.Lucu.Parser.Http
-import           Network.HTTP.Lucu.Utils
+    , mkMIMEType
 
+    , parseMIMEType
+    , printMIMEType
 
+    , mimeTypeP
+    , mimeTypeListP
+    )
+    where
+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
-
-
-infix  9 +/+, +=+
-infixl 8 +:+
-
-
-(+/+) :: String -> String -> MIMEType
-maj +/+ min
-    = MIMEType maj min []
-
-
-(+:+) :: MIMEType -> (String, String) -> MIMEType
-mt@(MIMEType _ _ params) +:+ pair
-    = mt {
-        mtParams = mtParams mt ++ [pair]
-      }
-
-
-(+=+) :: String -> String -> (String, String)
-name +=+ value = (name, value)
-
-
-
-mimeTypeP :: Parser MIMEType
-mimeTypeP = allowEOF $
-            do maj <- token
-               char '/'
-               min <- token
-               params <- many paramP
-               return $ MIMEType maj min params
+    show = A.toString ∘ A.fromAsciiBuilder ∘ printMIMEType
+
+-- |Construct a 'MIMEType' without any parameters.
+mkMIMEType ∷ CIAscii → CIAscii → MIMEType
+{-# INLINE mkMIMEType #-}
+mkMIMEType maj min
+    = MIMEType maj min (∅)
+
+-- |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 an 'Ascii'. This function throws an
+-- exception for parse error.
+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
-      paramP :: Parser (String, String)
-      paramP = do many lws
-                  char ';'
-                  many lws
-                  name <- token
-                  char '='
-                  value <- token <|> quotedStr
-                  return (name, value)
+      p ∷ Parser MIMEType
+      {-# INLINE p #-}
+      p = do t ← mimeTypeP
+             endOfInput
+             return t
+
+mimeTypeP ∷ Parser MIMEType
+{-# INLINEABLE mimeTypeP #-}
+mimeTypeP = do maj    ← A.toCIAscii <$> token
+               _      ← char '/'
+               min    ← A.toCIAscii <$> token
+               params ← paramsP
+               return $ MIMEType maj min params
 
-mimeTypeListP :: Parser [MIMEType]
-mimeTypeListP = allowEOF $ listOf mimeTypeP
+mimeTypeListP ∷ Parser [MIMEType]
+{-# INLINE mimeTypeListP #-}
+mimeTypeListP = listOf mimeTypeP