X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FMIMEType.hs;h=36cdf0f82797b491783e9fd8ad1cac48fc2848ff;hb=72a3e24;hp=acd76b67b1bfc7b9796498fd6b2cbfa2adbcdf8e;hpb=ea2b7838f1b3d9d4923a220a601be2e04cc559d7;p=Lucu.git

diff --git a/Network/HTTP/Lucu/MIMEType.hs b/Network/HTTP/Lucu/MIMEType.hs
index acd76b6..36cdf0f 100644
--- a/Network/HTTP/Lucu/MIMEType.hs
+++ b/Network/HTTP/Lucu/MIMEType.hs
@@ -6,6 +6,8 @@
 -- |Manipulation of MIME Types.
 module Network.HTTP.Lucu.MIMEType
     ( MIMEType(..)
+    , mkMIMEType
+
     , parseMIMEType
     , printMIMEType
 
@@ -31,10 +33,20 @@ data MIMEType = MIMEType {
       mtMajor  ∷ !CIAscii
     , mtMinor  ∷ !CIAscii
     , mtParams ∷ !(Map CIAscii Text)
-    } deriving (Eq, Show)
+    } deriving (Eq)
+
+instance Show MIMEType where
+    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 "/" ⊕
@@ -44,17 +56,20 @@ printMIMEType (MIMEType maj min params)
 -- |Parse 'MIMEType' from an 'Ascii'. This function throws an
 -- exception for parse error.
 parseMIMEType ∷ Ascii → MIMEType
+{-# INLINEABLE parseMIMEType #-}
 parseMIMEType str
-    = let p  = do t ← mimeTypeP
-                  endOfInput
-                  return t
-          bs = A.toByteString str
-      in
-        case parseOnly p bs of
-          Right  t → t
-          Left err → error ("unparsable MIME Type: " ⧺ A.toString str ⧺ ": " ⧺ err)
+    = case parseOnly p $ A.toByteString str of
+        Right  t → t
+        Left err → error ("unparsable MIME Type: " ⧺ A.toString str ⧺ ": " ⧺ err)
+    where
+      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
@@ -62,4 +77,5 @@ mimeTypeP = do maj    ← A.toCIAscii <$> token
                return $ MIMEType maj min params
 
 mimeTypeListP ∷ Parser [MIMEType]
+{-# INLINE mimeTypeListP #-}
 mimeTypeListP = listOf mimeTypeP