X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FContentCoding.hs;h=a5f02b13ecf69ac28f15e747016f4af124eb2191;hb=a362be1c8664306b970c32e1df9b62081498feb1;hp=0771efa91ace3e052f43d5b298597270c04a3c79;hpb=f62b6f07bbf1eefcf552163d8f7daa6e0862ed5d;p=Lucu.git

diff --git a/Network/HTTP/Lucu/ContentCoding.hs b/Network/HTTP/Lucu/ContentCoding.hs
index 0771efa..a5f02b1 100644
--- a/Network/HTTP/Lucu/ContentCoding.hs
+++ b/Network/HTTP/Lucu/ContentCoding.hs
@@ -1,48 +1,58 @@
+{-# LANGUAGE
+    OverloadedStrings
+  , UnicodeSyntax
+  #-}
 module Network.HTTP.Lucu.ContentCoding
-    ( acceptEncodingListP
+    ( AcceptEncoding(..)
+
+    , acceptEncodingList
     , normalizeCoding
     , unnormalizeCoding
-    , orderAcceptEncodings
     )
     where
-
-import           Data.Char
-import           Data.Ord
-import           Data.Maybe
-import           Network.HTTP.Lucu.Parser
-import           Network.HTTP.Lucu.Parser.Http
-
-
-acceptEncodingListP :: Parser [(String, Maybe Double)]
-acceptEncodingListP = allowEOF $! listOf accEncP
-
-      
-accEncP :: Parser (String, Maybe Double)
-accEncP = do coding <- token
-             qVal   <- option Nothing
-                       $ do string ";q="
-                            q <- qvalue
-                            return $ Just q
-             return (normalizeCoding coding, qVal)
-
-
-normalizeCoding :: String -> String
+import Control.Applicative
+import Data.Ascii (CIAscii, toCIAscii)
+import Data.Attoparsec.Char8
+import Data.Ord
+import Data.Maybe
+import Network.HTTP.Lucu.Parser.Http
+import Prelude.Unicode
+
+data AcceptEncoding
+    = AcceptEncoding {
+        aeEncoding ∷ !CIAscii
+      , aeQValue   ∷ !(Maybe Double)
+      }
+      deriving (Eq, Show)
+
+instance Ord AcceptEncoding where
+    (AcceptEncoding c1 q1) `compare` (AcceptEncoding c2 q2)
+        | q1' > q1' = GT
+        | q1' < q2' = LT
+        | otherwise = compare c1 c2
+        where
+          q1' = fromMaybe 0 q1
+          q2' = fromMaybe 0 q2
+
+acceptEncodingList ∷ Parser [AcceptEncoding]
+acceptEncodingList = listOf accEnc
+
+accEnc ∷ Parser AcceptEncoding
+accEnc = do coding ← toCIAscii <$> token
+            qVal   ← option Nothing
+                     $ do _ ← string ";q="
+                          q ← qvalue
+                          return $ Just q
+            return $ AcceptEncoding (normalizeCoding coding) qVal
+
+normalizeCoding ∷ CIAscii → CIAscii
 normalizeCoding coding
-    = case map toLower coding of
-        "x-gzip"     -> "gzip"
-        "x-compress" -> "compress"
-        other        -> other
-
+    | coding ≡ "x-gzip"     = "gzip"
+    | coding ≡ "x-compress" = "compress"
+    | otherwise             = coding
 
-unnormalizeCoding :: String -> String
+unnormalizeCoding ∷ CIAscii → CIAscii
 unnormalizeCoding coding
-    = case map toLower coding of
-        "gzip"     -> "x-gzip"
-        "compress" -> "x-compress"
-        other        -> other
-
-
-orderAcceptEncodings :: (String, Maybe Double) -> (String, Maybe Double) -> Ordering
-orderAcceptEncodings (_, q1) (_, q2)
-    = comparing (fromMaybe 0) q1 q2
-
+    | coding ≡ "gzip"     = "x-gzip"
+    | coding ≡ "compress" = "x-compress"
+    | otherwise           = coding