X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=Lucu.git;a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FHttpVersion.hs;h=4531c837782ef9b6eda9edd4849e3771f2b0b0a1;hp=d48f6ec8c58f3d5009c3038ed500eb4e863e5003;hb=9bb89434103e9a22f100d6ecb7e65a5d461e0454;hpb=86d100e294fa482456980021cca10393b9830ec1

diff --git a/Network/HTTP/Lucu/HttpVersion.hs b/Network/HTTP/Lucu/HttpVersion.hs
index d48f6ec..4531c83 100644
--- a/Network/HTTP/Lucu/HttpVersion.hs
+++ b/Network/HTTP/Lucu/HttpVersion.hs
@@ -1,5 +1,6 @@
 {-# LANGUAGE
     BangPatterns
+  , OverloadedStrings
   , UnicodeSyntax
   #-}
 {-# OPTIONS_HADDOCK prune #-}
@@ -11,18 +12,15 @@ module Network.HTTP.Lucu.HttpVersion
     , hPutHttpVersion
     )
     where
-
-import qualified Data.ByteString.Char8 as C8
-import           Network.HTTP.Lucu.HandleLike
-import           Network.HTTP.Lucu.Parser
-import           Prelude hiding (min)
+import Control.Monad.Unicode
+import Data.Attoparsec.Char8
+import Network.HTTP.Lucu.HandleLike
+import Prelude hiding (min)
 
 -- |@'HttpVersion' major minor@ represents \"HTTP\/major.minor\".
-data HttpVersion = HttpVersion !Int !Int
-                   deriving (Eq)
-
-instance Show HttpVersion where
-    show (HttpVersion maj min) = "HTTP/" ++ show maj ++ "." ++ show min
+data HttpVersion
+    = HttpVersion !Int !Int
+      deriving (Eq, Show)
 
 instance Ord HttpVersion where
     (HttpVersion majA minA) `compare` (HttpVersion majB minB)
@@ -32,30 +30,26 @@ instance Ord HttpVersion where
         | minA < minB = LT
         | otherwise   = EQ
 
-
-httpVersionP :: Parser HttpVersion
+httpVersionP ∷ Parser HttpVersion
 httpVersionP = string "HTTP/"
-               >>
-               -- 頻出するので高速化
-               choice [ string "1.0" >> return (HttpVersion 1 0)
-                      , string "1.1" >> return (HttpVersion 1 1)
-                        -- 一般の場合
-                      , do major <- many1 digit
-                           _     <- char '.'
-                           minor <- many1 digit
-                           return $ HttpVersion (read major) (read minor)
+               ≫
+               choice [ string "1.1" ≫ return (HttpVersion 1 1)
+                      , string "1.0" ≫ return (HttpVersion 1 0)
+                      , do major ← decimal
+                           _     ← char '.'
+                           minor ← decimal
+                           return $ HttpVersion major minor
                       ]
 
-
-hPutHttpVersion :: HandleLike h => h -> HttpVersion -> IO ()
+hPutHttpVersion ∷ HandleLike h ⇒ h → HttpVersion → IO ()
 hPutHttpVersion !h !v
     = case v of
         -- 頻出するので高速化
-        HttpVersion 1 0 -> hPutBS h (C8.pack "HTTP/1.0")
-        HttpVersion 1 1 -> hPutBS h (C8.pack "HTTP/1.1")
+        HttpVersion 1 0 → hPutBS h "HTTP/1.0"
+        HttpVersion 1 1 → hPutBS h "HTTP/1.1"
         -- 一般の場合
         HttpVersion !maj !min
-            -> do hPutBS   h (C8.pack "HTTP/")
-                  hPutStr  h (show maj)
-                  hPutChar h '.'
-                  hPutStr  h (show min)
+            → do hPutBS   h "HTTP/"
+                 hPutStr  h (show maj)
+                 hPutChar h '.'
+                 hPutStr  h (show min)