X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=Lucu.git;a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FHeaders.hs;h=5391743d1163833a1b47b8f10e14ef4edf91e369;hp=97a7603611937c3b16109c4332f743823bf7281c;hb=90fca0675b1694e69b8e431c989343855cbd125d;hpb=bb121f1189d01b5089aa5c29f0d390fad36ade48 diff --git a/Network/HTTP/Lucu/Headers.hs b/Network/HTTP/Lucu/Headers.hs index 97a7603..5391743 100644 --- a/Network/HTTP/Lucu/Headers.hs +++ b/Network/HTTP/Lucu/Headers.hs @@ -2,26 +2,29 @@ FlexibleInstances , GeneralizedNewtypeDeriving , MultiParamTypeClasses + , TemplateHaskell , TypeSynonymInstances , OverloadedStrings , UnicodeSyntax #-} +{-# OPTIONS_GHC -fno-warn-missing-methods #-} -- |An internal module for HTTP headers. module Network.HTTP.Lucu.Headers ( Headers , HasHeaders(..) - - , headers - , printHeaders ) where import Control.Applicative hiding (empty) import Control.Applicative.Unicode hiding ((∅)) -import Control.Arrow import Control.Monad import Data.Ascii (Ascii, AsciiBuilder, CIAscii) import qualified Data.Ascii as A -import Data.Attoparsec.Char8 as P +import Data.Attoparsec.Char8 +import qualified Data.Collections.Newtype.TH as C +import Data.Convertible.Base +import Data.Convertible.Instances.Ascii () +import Data.Convertible.Utils +import Data.Default import Data.List (intersperse) import qualified Data.Map as M (Map) import Data.Collections @@ -29,7 +32,7 @@ import Data.Collections.BaseInstances () import Data.Monoid import Data.Monoid.Unicode import Network.HTTP.Lucu.Parser.Http -import Prelude hiding (filter, foldr, lookup, null) +import Prelude hiding (lookup, null) import Prelude.Unicode newtype Headers @@ -54,7 +57,7 @@ class HasHeaders a where getCIHeader ∷ CIAscii → a → Maybe CIAscii {-# INLINE getCIHeader #-} - getCIHeader = ((A.toCIAscii <$>) ∘) ∘ getHeader + getCIHeader = ((cs <$>) ∘) ∘ getHeader deleteHeader ∷ CIAscii → a → a {-# INLINE deleteHeader #-} @@ -68,79 +71,28 @@ instance HasHeaders Headers where getHeaders = id setHeaders _ = id +C.derive [d| instance Foldable Headers (CIAscii, Ascii) + instance Collection Headers (CIAscii, Ascii) + instance Indexed Headers CIAscii Ascii + instance Map Headers CIAscii Ascii + instance SortingCollection Headers (CIAscii, Ascii) + |] + -- |@'insert' (key, val)@ merges @val@ with an existing one if any. instance Unfoldable Headers (CIAscii, Ascii) where {-# INLINE insert #-} insert (key, val) (Headers m) = Headers $ insertWith merge key val m {-# INLINE empty #-} - empty - = Headers empty + empty = Headers empty {-# INLINE singleton #-} - singleton p - = Headers $ singleton p - {-# INLINE insertMany #-} - insertMany f (Headers m) - = Headers $ insertMany f m - {-# INLINE insertManySorted #-} - insertManySorted f (Headers m) - = Headers $ insertManySorted f m - -instance Foldable Headers (CIAscii, Ascii) where - {-# INLINE null #-} - null (Headers m) = null m - {-# INLINE size #-} - size (Headers m) = size m - {-# INLINE foldr #-} - foldr f b (Headers m) = foldr f b m - -instance Collection Headers (CIAscii, Ascii) where - {-# INLINE filter #-} - filter f (Headers m) = Headers $ filter f m - -instance Indexed Headers CIAscii Ascii where - {-# INLINE index #-} - index k (Headers m) = index k m - {-# INLINE adjust #-} - adjust f k (Headers m) = Headers $ adjust f k m - {-# INLINE inDomain #-} - inDomain k (Headers m) = inDomain k m + singleton = Headers ∘ singleton instance Monoid Headers where {-# INLINE mempty #-} - mempty = empty + mempty = empty {-# INLINE mappend #-} - mappend (Headers α) (Headers β) - = Headers $ insertManySorted β α - -instance Map Headers CIAscii Ascii where - {-# INLINE lookup #-} - lookup k (Headers m) = lookup k m - {-# INLINE insertWith #-} - insertWith f k v (Headers m) - = Headers $ insertWith f k v m - {-# INLINE mapWithKey #-} - mapWithKey f (Headers m) - = Headers $ mapWithKey f m - {-# INLINE unionWith #-} - unionWith f (Headers α) (Headers β) - = Headers $ unionWith f α β - {-# INLINE intersectionWith #-} - intersectionWith f (Headers α) (Headers β) - = Headers $ intersectionWith f α β - {-# INLINE differenceWith #-} - differenceWith f (Headers α) (Headers β) - = Headers $ differenceWith f α β - {-# INLINE isSubmapBy #-} - isSubmapBy f (Headers α) (Headers β) - = isSubmapBy f α β - {-# INLINE isProperSubmapBy #-} - isProperSubmapBy f (Headers α) (Headers β) - = isProperSubmapBy f α β - -instance SortingCollection Headers (CIAscii, Ascii) where - {-# INLINE minView #-} - minView (Headers m) = second Headers <$> minView m + mappend = insertMany merge ∷ Ascii → Ascii → Ascii {-# INLINE merge #-} @@ -154,6 +106,27 @@ merge a b {-# INLINE nullA #-} nullA = null ∘ A.toByteString +instance ConvertSuccess Headers Ascii where + {-# INLINE convertSuccess #-} + convertSuccess = convertSuccessVia ((⊥) ∷ AsciiBuilder) + +instance ConvertSuccess Headers AsciiBuilder where + {-# INLINEABLE convertSuccess #-} + convertSuccess (Headers m) + = mconcat (header <$> fromFoldable m) ⊕ cs ("\x0D\x0A" ∷ Ascii) + where + header ∷ (CIAscii, Ascii) → AsciiBuilder + {-# INLINE header #-} + header (name, value) + = cs name ⊕ + cs (": " ∷ Ascii) ⊕ + cs value ⊕ + cs ("\x0D\x0A" ∷ Ascii) + +deriveAttempts [ ([t| Headers |], [t| Ascii |]) + , ([t| Headers |], [t| AsciiBuilder |]) + ] + {- message-header = field-name ":" [ field-value ] field-name = token @@ -165,42 +138,31 @@ merge a b 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 ← P.many header +instance Default (Parser Headers) where + {-# INLINEABLE def #-} + def = do xs ← many header crlf return $ fromFoldable xs - where - header ∷ Parser (CIAscii, Ascii) - header = do name ← A.toCIAscii <$> 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 - <$> - takeWhile1 (\c → isText c ∧ c ≢ '\x20') - - joinValues ∷ [Ascii] → Ascii - {-# INLINE joinValues #-} - joinValues = A.fromAsciiBuilder - ∘ mconcat - ∘ intersperse (A.toAsciiBuilder "\x20") - ∘ map A.toAsciiBuilder - -printHeaders ∷ Headers → AsciiBuilder -printHeaders (Headers m) - = mconcat (map printHeader (fromFoldable m)) ⊕ - A.toAsciiBuilder "\x0D\x0A" - where - printHeader ∷ (CIAscii, Ascii) → AsciiBuilder - printHeader (name, value) - = A.toAsciiBuilder (A.fromCIAscii name) ⊕ - A.toAsciiBuilder ": " ⊕ - A.toAsciiBuilder value ⊕ - A.toAsciiBuilder "\x0D\x0A" + where + header ∷ Parser (CIAscii, Ascii) + {-# INLINEABLE header #-} + header = do name ← cs <$> 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 + <$> + takeWhile1 (\c → isText c ∧ c ≢ '\x20') + + joinValues ∷ [Ascii] → Ascii + {-# INLINEABLE joinValues #-} + joinValues = cs + ∘ mconcat + ∘ intersperse (cs ("\x20" ∷ Ascii) ∷ AsciiBuilder) + ∘ (cs <$>)