X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FResponse.hs;h=2791616cbd3071243b2f8db966a7eb3b93397e50;hb=5477896;hp=573b98d21e8341d0467cbd3bd36b32ccc182f781;hpb=8515a693765cbd640b669c563fe7e1a34a98acde;p=Lucu.git diff --git a/Network/HTTP/Lucu/Response.hs b/Network/HTTP/Lucu/Response.hs index 573b98d..2791616 100644 --- a/Network/HTTP/Lucu/Response.hs +++ b/Network/HTTP/Lucu/Response.hs @@ -1,9 +1,18 @@ --- #prune +{-# LANGUAGE + DeriveDataTypeable + , OverloadedStrings + , RecordWildCards + , UnboxedTuples + , UnicodeSyntax + , ViewPatterns + #-} +{-# OPTIONS_HADDOCK prune #-} -- |Definition of things related on HTTP response. module Network.HTTP.Lucu.Response ( StatusCode(..) , Response(..) + , printStatusCode , hPutResponse , isInformational , isSuccessful @@ -14,12 +23,15 @@ module Network.HTTP.Lucu.Response , statusCode ) where - -import Data.Dynamic -import Network.HTTP.Lucu.Format -import Network.HTTP.Lucu.Headers -import Network.HTTP.Lucu.HttpVersion -import System.IO +import Data.Ascii (Ascii) +import qualified Data.Ascii as A +import Data.Monoid.Unicode +import Data.Typeable +import Network.HTTP.Lucu.Format +import Network.HTTP.Lucu.HandleLike +import Network.HTTP.Lucu.Headers +import Network.HTTP.Lucu.HttpVersion +import Prelude.Unicode -- |This is the definition of HTTP status code. -- 'Network.HTTP.Lucu.Resource.setStatus' accepts these named statuses @@ -75,74 +87,72 @@ data StatusCode = Continue | GatewayTimeout | HttpVersionNotSupported | InsufficientStorage - deriving (Typeable, Eq) - -instance Show StatusCode where - show sc = let (# num, msg #) = statusCode sc - in - (fmtDec 3 num) ++ " " ++ msg + deriving (Eq, Show, Typeable) +-- |Convert a 'StatusCode' to 'Ascii'. +printStatusCode ∷ StatusCode → Ascii +printStatusCode (statusCode → (# num, msg #)) + = A.fromAsciiBuilder $ + ( fmtDec 3 num ⊕ + A.toAsciiBuilder " " ⊕ + A.toAsciiBuilder msg + ) data Response = Response { - resVersion :: !HttpVersion - , resStatus :: !StatusCode - , resHeaders :: !Headers + resVersion ∷ !HttpVersion + , resStatus ∷ !StatusCode + , resHeaders ∷ !Headers } deriving (Show, Eq) - instance HasHeaders Response where getHeaders = resHeaders setHeaders res hdr = res { resHeaders = hdr } - -hPutResponse :: Handle -> Response -> IO () -hPutResponse h res - = h `seq` res `seq` - do hPutHttpVersion h (resVersion res) +hPutResponse ∷ HandleLike h ⇒ h → Response → IO () +hPutResponse h (Response {..}) + = do hPutHttpVersion h resVersion hPutChar h ' ' - hPutStatus h (resStatus res) - hPutStr h "\r\n" - hPutHeaders h (resHeaders res) + hPutStatus h resStatus + hPutBS h "\r\n" + hPutHeaders h resHeaders -hPutStatus :: Handle -> StatusCode -> IO () -hPutStatus h sc - = h `seq` sc `seq` - hPutStr h (show sc) +hPutStatus ∷ HandleLike h ⇒ h → StatusCode → IO () +hPutStatus h (statusCode → (# num, msg #)) + = do hPutBS h (A.toByteString $ A.fromAsciiBuilder $ fmtDec 3 num) + hPutChar h ' ' + hPutBS h (A.toByteString msg) -- |@'isInformational' sc@ is 'Prelude.True' iff @sc < 200@. -isInformational :: StatusCode -> Bool +isInformational ∷ StatusCode → Bool isInformational = doesMeet (< 200) -- |@'isSuccessful' sc@ is 'Prelude.True' iff @200 <= sc < 300@. -isSuccessful :: StatusCode -> Bool -isSuccessful = doesMeet (\ n -> n >= 200 && n < 300) +isSuccessful ∷ StatusCode → Bool +isSuccessful = doesMeet (\ n → n ≥ 200 ∧ n < 300) -- |@'isRedirection' sc@ is 'Prelude.True' iff @300 <= sc < 400@. -isRedirection :: StatusCode -> Bool -isRedirection = doesMeet (\ n -> n >= 300 && n < 400) +isRedirection ∷ StatusCode → Bool +isRedirection = doesMeet (\ n → n ≥ 300 ∧ n < 400) -- |@'isError' sc@ is 'Prelude.True' iff @400 <= sc@ -isError :: StatusCode -> Bool -isError = doesMeet (>= 400) +isError ∷ StatusCode → Bool +isError = doesMeet (≥ 400) -- |@'isClientError' sc@ is 'Prelude.True' iff @400 <= sc < 500@. -isClientError :: StatusCode -> Bool -isClientError = doesMeet (\ n -> n >= 400 && n < 500) +isClientError ∷ StatusCode → Bool +isClientError = doesMeet (\ n → n ≥ 400 ∧ n < 500) -- |@'isServerError' sc@ is 'Prelude.True' iff @500 <= sc@. -isServerError :: StatusCode -> Bool -isServerError = doesMeet (>= 500) - - -doesMeet :: (Int -> Bool) -> StatusCode -> Bool -doesMeet p sc = let (# num, _ #) = statusCode sc - in - p num +isServerError ∷ StatusCode → Bool +isServerError = doesMeet (≥ 500) +doesMeet ∷ (Int → Bool) → StatusCode → Bool +{-# INLINE doesMeet #-} +doesMeet p (statusCode → (# num, _ #)) = p num -- |@'statusCode' sc@ returns an unboxed tuple of numeric and textual -- representation of @sc@. -statusCode :: StatusCode -> (# Int, String #) +statusCode ∷ StatusCode → (# Int, Ascii #) statusCode Continue = (# 100, "Continue" #) statusCode SwitchingProtocols = (# 101, "Switching Protocols" #) @@ -193,4 +203,4 @@ statusCode BadGateway = (# 502, "Bad Gateway" statusCode ServiceUnavailable = (# 503, "Service Unavailable" #) statusCode GatewayTimeout = (# 504, "Gateway Timeout" #) statusCode HttpVersionNotSupported = (# 505, "HTTP Version Not Supported" #) -statusCode InsufficientStorage = (# 507, "Insufficient Storage" #) \ No newline at end of file +statusCode InsufficientStorage = (# 507, "Insufficient Storage" #)