X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=Lucu.git;a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FMIMEType.hs;h=9c34c50e634cdd1360d26d221ada577c49b64aa2;hp=1aebc9f56b1233b34a75384d6a45db7441125b7c;hb=5e56140;hpb=7eed467cbc7ed48c1b88766f0c7eb6bb77be09ef diff --git a/Network/HTTP/Lucu/MIMEType.hs b/Network/HTTP/Lucu/MIMEType.hs index 1aebc9f..9c34c50 100644 --- a/Network/HTTP/Lucu/MIMEType.hs +++ b/Network/HTTP/Lucu/MIMEType.hs @@ -1,9 +1,12 @@ {-# LANGUAGE - OverloadedStrings + DeriveDataTypeable + , OverloadedStrings + , RecordWildCards + , TemplateHaskell , UnicodeSyntax #-} - --- |MIME Types +-- |Parsing and printing MIME Media Types +-- (). module Network.HTTP.Lucu.MIMEType ( MIMEType(..) , mkMIMEType @@ -19,44 +22,51 @@ import Control.Applicative import Data.Ascii (Ascii, AsciiBuilder, CIAscii) import qualified Data.Ascii as A import Data.Attoparsec.Char8 as P -import Data.Map (Map) import Data.Monoid.Unicode -import Data.Text (Text) +import Data.Typeable +import Language.Haskell.TH.Syntax +import Network.HTTP.Lucu.MIMEParams import Network.HTTP.Lucu.Parser import Network.HTTP.Lucu.Parser.Http -import Network.HTTP.Lucu.RFC2231 -import Prelude hiding (min) +import Network.HTTP.Lucu.Utils import Prelude.Unicode --- |@'MIMEType' \"major\" \"minor\" [(\"name\", \"value\"), ...]@ --- represents \"major\/minor; name=value; ...\". -data MIMEType = MIMEType { - mtMajor ∷ !CIAscii - , mtMinor ∷ !CIAscii - , mtParams ∷ !(Map CIAscii Text) - } deriving (Eq) +-- |A media type, subtype, and parameters. +data MIMEType + = MIMEType { + mtMedia ∷ !CIAscii + , mtSub ∷ !CIAscii + , mtParams ∷ !MIMEParams + } + deriving (Eq, Show, Read, Typeable) -instance Show MIMEType where - show = A.toString ∘ A.fromAsciiBuilder ∘ printMIMEType +instance Lift MIMEType where + lift (MIMEType {..}) + = [| MIMEType { + mtMedia = $(liftCIAscii mtMedia) + , mtSub = $(liftCIAscii mtSub) + , mtParams = $(lift mtParams) + } + |] --- |@'mkMIMEType' major minor@ returns a 'MIMEType' with the given --- @major@ and @minor@ types but without any parameters. +-- |@'mkMIMEType' media sub@ returns a 'MIMEType' with the given +-- @media@ and @sub@ types but without any parameters. mkMIMEType ∷ CIAscii → CIAscii → MIMEType {-# INLINE mkMIMEType #-} -mkMIMEType maj min - = MIMEType maj min (∅) +mkMIMEType = flip flip (∅) ∘ MIMEType -- |Convert a 'MIMEType' to an 'AsciiBuilder'. printMIMEType ∷ MIMEType → AsciiBuilder {-# INLINEABLE printMIMEType #-} -printMIMEType (MIMEType maj min params) - = A.toAsciiBuilder (A.fromCIAscii maj) ⊕ +printMIMEType (MIMEType {..}) + = A.toAsciiBuilder (A.fromCIAscii mtMedia) ⊕ A.toAsciiBuilder "/" ⊕ - A.toAsciiBuilder (A.fromCIAscii min) ⊕ - printMIMEParams params + A.toAsciiBuilder (A.fromCIAscii mtSub) ⊕ + printMIMEParams mtParams -- |Parse 'MIMEType' from an 'Ascii'. This function throws an --- exception for parse error. +-- exception for parse error. For literals consider using +-- 'Network.HTTP.Lucu.MIMEType.TH.mimeType'. parseMIMEType ∷ Ascii → MIMEType {-# INLINEABLE parseMIMEType #-} parseMIMEType str @@ -67,11 +77,11 @@ parseMIMEType str -- |'Parser' for an 'MIMEType'. mimeType ∷ Parser MIMEType {-# INLINEABLE mimeType #-} -mimeType = do maj ← A.toCIAscii <$> token +mimeType = do media ← A.toCIAscii <$> token _ ← char '/' - min ← A.toCIAscii <$> token + sub ← A.toCIAscii <$> token params ← mimeParams - return $ MIMEType maj min params + return $ MIMEType media sub params -- |'Parser' for a list of 'MIMEType's. mimeTypeList ∷ Parser [MIMEType]