Done.

[Lucu.git] / Network / HTTP / Lucu / Headers.hs

diff --git a/Network/HTTP/Lucu/Headers.hs b/Network/HTTP/Lucu/Headers.hs
index f0e6ad8958bf056c30f41767263469c51a65922f..e6641154adc1d390b1c7cd35bb4d5d5a4c71342d 100644 (file)
--- a/Network/HTTP/Lucu/Headers.hs
+++ b/Network/HTTP/Lucu/Headers.hs
@@ -12,7 +12,6 @@
 module Network.HTTP.Lucu.Headers
     ( Headers
     , HasHeaders(..)
-    , headers
     )
     where
 import Control.Applicative hiding (empty)
@@ -21,6 +20,8 @@ import Control.Monad
 import Data.Ascii (Ascii, AsciiBuilder, CIAscii)
 import qualified Data.Ascii as A
 import Data.Attoparsec.Char8
+import Data.Attoparsec.Parsable
+import Data.ByteString (ByteString)
 import qualified Data.Collections.Newtype.TH as C
 import Data.Convertible.Base
 import Data.Convertible.Instances.Ascii ()
@@ -138,30 +139,31 @@ deriveAttempts [ ([t| Headers |], [t| Ascii        |])
   field-value の先頭および末尾にある LWS は全て削除され、それ以外の
   LWS は單一の SP に變換される。
 -}
-headers ∷ Parser Headers
-{-# INLINEABLE headers #-}
-headers = do xs ← many header
-             crlf
-             return $ fromFoldable xs
-    where
-      header ∷ Parser (CIAscii, Ascii)
-      header = do name ← cs <$> token
-                  void $ char ':'
-                  skipMany lws
-                  values ← content `sepBy` try lws
-                  skipMany (try lws)
-                  crlf
-                  return (name, joinValues values)
-
-      content ∷ Parser Ascii
-      {-# INLINE content #-}
-      content = A.unsafeFromByteString
-                <$>
-                takeWhile1 (\c → isText c ∧ c ≢ '\x20')
-
-      joinValues ∷ [Ascii] → Ascii
-      {-# INLINE joinValues #-}
-      joinValues = cs
-                   ∘ mconcat
-                   ∘ intersperse (cs ("\x20" ∷ Ascii) ∷ AsciiBuilder)
-                   ∘ (cs <$>)
+instance Parsable ByteString Headers where
+    {-# INLINEABLE parser #-}
+    parser = do xs ← many header
+                crlf
+                return $ fromFoldable xs
+        where
+          header ∷ Parser (CIAscii, Ascii)
+          {-# INLINEABLE header #-}
+          header = do name ← cs <$> token
+                      void $ char ':'
+                      skipMany lws
+                      values ← content `sepBy` try lws
+                      skipMany (try lws)
+                      crlf
+                      return (name, joinValues values)
+
+          content ∷ Parser Ascii
+          {-# INLINEABLE content #-}
+          content = A.unsafeFromByteString
+                    <$>
+                    takeWhile1 (\c → isText c ∧ c ≢ '\x20')
+
+          joinValues ∷ [Ascii] → Ascii
+          {-# INLINEABLE joinValues #-}
+          joinValues = cs
+                       ∘ mconcat
+                       ∘ intersperse (cs ("\x20" ∷ Ascii) ∷ AsciiBuilder)
+                       ∘ (cs <$>)