X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FHttpVersion.hs;h=9ad1c0a07ccd964d9cdcee554ff604a5c558856d;hb=6126eb9;hp=ca25640a768c31e9f98dee79f29cee615dd72a0e;hpb=9ac730212cb361eb10e5fe4ad0eec6758e2b200a;p=Lucu.git

diff --git a/Network/HTTP/Lucu/HttpVersion.hs b/Network/HTTP/Lucu/HttpVersion.hs
index ca25640..9ad1c0a 100644
--- a/Network/HTTP/Lucu/HttpVersion.hs
+++ b/Network/HTTP/Lucu/HttpVersion.hs
@@ -1,24 +1,27 @@
-{-# OPTIONS_HADDOCK prune #-}
-
+{-# LANGUAGE
+    OverloadedStrings
+  , UnicodeSyntax
+  #-}
 -- |Manipulation of HTTP version string.
 module Network.HTTP.Lucu.HttpVersion
     ( HttpVersion(..)
     , httpVersionP
-    , hPutHttpVersion
+    , printHttpVersion
     )
     where
-
-import qualified Data.ByteString.Char8 as C8
-import           Network.HTTP.Lucu.HandleLike
-import           Network.HTTP.Lucu.Parser
-import           Prelude hiding (min)
+import qualified Blaze.Text.Int as BT
+import Control.Applicative
+import Control.Applicative.Unicode
+import Data.Ascii (AsciiBuilder)
+import qualified Data.Ascii as A
+import Data.Attoparsec.Char8
+import Data.Monoid.Unicode
+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)
@@ -28,30 +31,24 @@ 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" *> pure (HttpVersion 1 1)
+                      , string "1.0" *> pure (HttpVersion 1 0)
+                      , HttpVersion <$> decimal ⊛ (char '.' *> decimal)
                       ]
 
-
-hPutHttpVersion :: HandleLike h => h -> HttpVersion -> IO ()
-hPutHttpVersion !h !v
+-- |Convert an 'HttpVersion' to 'AsciiBuilder'.
+printHttpVersion ∷ HttpVersion → AsciiBuilder
+printHttpVersion 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 → A.toAsciiBuilder "HTTP/1.0"
+        HttpVersion 1 1 → A.toAsciiBuilder "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)
+        HttpVersion maj min
+            → A.toAsciiBuilder    "HTTP/"           ⊕
+              A.unsafeFromBuilder (BT.integral maj) ⊕
+              A.toAsciiBuilder    "."               ⊕
+              A.unsafeFromBuilder (BT.integral min)