simple (empty) → 0.2.0
raw patch · 9 files changed
+1429/−0 lines, 9 filesdep +basedep +bytestringdep +conduitsetup-changed
Dependencies added: base, bytestring, conduit, http-types, text, transformers, wai, wai-extra
Files
- LICENSE +675/−0
- Setup.hs +2/−0
- Web/Frank.hs +59/−0
- Web/REST.hs +89/−0
- Web/Simple.hs +10/−0
- Web/Simple/Controller.hs +151/−0
- Web/Simple/Responses.hs +131/−0
- Web/Simple/Router.hs +240/−0
- simple.cabal +72/−0
+ LICENSE view
@@ -0,0 +1,675 @@+ GNU GENERAL PUBLIC LICENSE+ Version 3, 29 June 2007++ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>+ Everyone is permitted to copy and distribute verbatim copies+ of this license document, but changing it is not allowed.++ Preamble++ The GNU General Public License is a free, copyleft license for+software and other kinds of works.++ The licenses for most software and other practical works are designed+to take away your freedom to share and change the works. By contrast,+the GNU General Public License is intended to guarantee your freedom to+share and change all versions of a program--to make sure it remains free+software for all its users. We, the Free Software Foundation, use the+GNU General Public License for most of our software; it applies also to+any other work released this way by its authors. You can apply it to+your programs, too.++ When we speak of free software, we are referring to freedom, not+price. 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+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ Web/Frank.hs view
@@ -0,0 +1,59 @@+{- |+Frank is a Sinatra-inspired DSL (see <http://www.sinatrarb.com>) for creating+routes. It is composable with all 'Routeable' types, but is designed to be used+with 'Network.Wai.Controller's. Each verb ('get', 'post', 'put', etc') takes a+URL pattern of the form \"\/dir\/:paramname\/dir\" (see 'routePattern' for+details) and a 'Routeable':++@+ main :: IO ()+ main = runSettings defaultSettings $ mkRouter $ do+ get \"\/\" $ do+ req <- request+ return $ okHtml $ fromString $+ \"Welcome Home \" ++ (show $ serverName req)+ get \"\/user\/:id\" $ do+ userId \<- queryParam \"id\" >>= fromMaybe \"\"+ return $ ok \"text/json\" $ fromString $+ \"{\\\"myid\\\": \" ++ (show userId) ++ \"}\"+ put \"\/user\/:id\" $ do+ ...+@++-}+module Web.Frank+ ( get+ , post+ , put+ , delete+ , options+ ) where++import Network.HTTP.Types+import Web.Simple.Router+import qualified Data.ByteString as S++-- | Helper method+frankMethod :: Routeable r => StdMethod -> S.ByteString -> r -> Route ()+frankMethod method pattern = routeMethod method . routePattern pattern++-- | Matches the GET method on the given URL pattern+get :: Routeable r => S.ByteString -> r -> Route ()+get = frankMethod GET++-- | Matches the POST method on the given URL pattern+post :: Routeable r => S.ByteString -> r -> Route ()+post = frankMethod POST++-- | Matches the PUT method on the given URL pattern+put :: Routeable r => S.ByteString -> r -> Route ()+put = frankMethod PUT++-- | Matches the DELETE method on the given URL pattern+delete :: Routeable r => S.ByteString -> r -> Route ()+delete = frankMethod DELETE++-- | Matches the OPTIONS method on the given URL pattern+options :: Routeable r => S.ByteString -> r -> Route ()+options = frankMethod OPTIONS+
+ Web/REST.hs view
@@ -0,0 +1,89 @@+{-# LANGUAGE FlexibleInstances, OverloadedStrings #-}+module Web.REST+ ( RESTController+ , index, show, create, update, delete+ , edit, new+ ) where++import Prelude hiding (show)++import Control.Monad.Trans.State+import Data.Conduit+import Web.Simple.Responses+import Web.Simple.Router+import Network.HTTP.Types++data RESTControllerState = RESTControllerState+ { restIndex :: Route ()+ , restShow :: Route ()+ , restCreate :: Route ()+ , restUpdate :: Route ()+ , restDelete :: Route ()+ , restEdit :: Route ()+ , restNew :: Route ()+ }++defaultRESTControllerState :: RESTControllerState+defaultRESTControllerState = RESTControllerState+ { restIndex = routeAll $ notFound+ , restShow = routeAll $ notFound+ , restCreate = routeAll $ notFound+ , restUpdate = routeAll $ notFound+ , restDelete = routeAll $ notFound+ , restEdit = routeAll $ notFound+ , restNew = routeAll $ notFound+ }++instance Routeable RESTControllerState where+ runRoute controller = runRoute $ do+ routeMethod GET $ do+ routeTop $ restIndex controller+ routeName "new" $ restNew controller+ routeVar "id" $ do+ routeTop $ restShow controller+ routeName "edit" $ restEdit controller++ routeMethod POST $ routeTop $ restCreate controller++ routeMethod PUT $ routeVar "id" $ restUpdate controller++ routeMethod DELETE $ routeVar "id" $ restDelete controller++type RESTControllerM a = StateT RESTControllerState (ResourceT IO) a++instance Routeable (RESTControllerM a) where+ runRoute controller = rt+ where rt req = do+ (_, st) <- runStateT controller defaultRESTControllerState+ runRoute st req++type RESTController = RESTControllerM ()++index :: Routeable r => r -> RESTController+index route = modify $ \controller ->+ controller { restIndex = routeAll route }++create :: Routeable r => r -> RESTController+create route = modify $ \controller ->+ controller { restCreate = routeAll route }++edit :: Routeable r => r -> RESTController+edit route = modify $ \controller ->+ controller { restEdit = routeAll route }++new :: Routeable r => r -> RESTController+new route = modify $ \controller ->+ controller { restNew = routeAll route }++show :: Routeable r => r -> RESTController+show route = modify $ \controller ->+ controller { restShow = routeAll route }++update :: Routeable r => r -> RESTController+update route = modify $ \controller ->+ controller { restUpdate = routeAll route }++delete :: Routeable r => r -> RESTController+delete route = modify $ \controller ->+ controller { restDelete = routeAll route }+
+ Web/Simple.hs view
@@ -0,0 +1,10 @@+module Web.Simple (+ module Web.Simple.Router+ , module Web.Simple.Responses+ , module Web.Simple.Controller+ ) where++import Web.Simple.Router+import Web.Simple.Responses+import Web.Simple.Controller+
+ Web/Simple/Controller.hs view
@@ -0,0 +1,151 @@+{-# LANGUAGE TypeSynonymInstances, FlexibleInstances, OverloadedStrings #-}++{- | 'Controller' provides a convenient syntax for writting 'Application'+ code as a Monadic action with access to an HTTP request, rather than a+ function that takes the request as an argument. This module also defines some+ helper functions that leverage this feature. For example, 'redirectBack'+ reads the underlying request to extract the referer and returns a redirect+ response:++ @+ myController = do+ ...+ if badLogin then+ redirectBack+ else+ ...+ @+-}++module Web.Simple.Controller+ ( Controller+ -- * Utility functions+ , redirectBack+ , redirectBackOr+ , queryParam+ , parseForm+ , respond+ -- * Low level functions+ , request+ , body+ ) where++import Control.Monad.Trans.Class+import Control.Monad.Trans.Reader+import qualified Data.ByteString as S+import qualified Data.ByteString.Char8 as S8+import qualified Data.ByteString.Lazy.Char8 as L8+import Data.Conduit+import Data.Conduit.List as CL+import Network.HTTP.Types.Header+import Network.Wai+import Network.Wai.Parse+import Web.Simple.Responses+import Web.Simple.Router++data ControllerState = ControllerState { csRequest :: Request }++-- | A 'Controller' is a 'Reader' monad that contains the HTTP request in its+-- environment. A 'Controller' is 'Routeable' simply by running the 'Reader'.+type Controller = ReaderT ControllerState (ResourceT IO)++instance Routeable (Controller Response) where+ runRoute controller req = fmap Just $+ runReaderT controller $ ControllerState req++-- | Reads the underlying 'Request'+request :: Controller Request+request = fmap csRequest ask++-- | Redirect back to the referer. If the referer header is not present+-- redirect to root (i.e., @\/@).+redirectBack :: Controller Response+redirectBack = redirectBackOr (redirectTo "/")++-- | Redirect back to the referer. If the referer header is not present+-- fallback on the given 'Response'.+redirectBackOr :: Response -- ^ Fallback 'Response'+ -> Controller Response+redirectBackOr def = do+ mrefr <- requestHeader "referer"+ case mrefr of+ Just refr -> return $ redirectTo $ S8.unpack refr+ Nothing -> return def++-- | Looks up the parameter name in the request's query string and returns the+-- value as a 'S8.ByteString' or 'Nothing'.+--+-- For example, for a request with query string: \"?foo=bar&baz=7\",+-- @+-- queryParam \"foo\"+-- @+--+-- would return /Just "bar"/, but+--+-- @+-- queryParam \"zap\"+-- @+--+-- would return /Nothing/+queryParam :: S8.ByteString -- ^ Parameter name+ -> Controller (Maybe S8.ByteString)+queryParam varName = do+ qr <- fmap queryString request+ case lookup varName qr of+ Just n -> return n+ _ -> return Nothing++-- | An alias for 'return' that's helps the the compiler type a code block as a+-- 'Controller'. For example, when using the 'Network.Wai.Frank' routing DSL to+-- define a simple route that justs returns a 'Response', 'respond' can be used+-- to avoid explicit typing of the argument:+--+-- @+-- get \"/\" $ do+-- someSideEffect+-- respond $ okHtml \"Hello World\"+-- @+--+-- instead of:+--+-- @+-- get \"/\" $ (do+-- someSideEffect+-- return $ okHtml \"Hello World\") :: Controller Response+-- @+respond :: Routeable r => r -> Controller r+respond = return++-- | Returns the value of the given request header or 'Nothing' if it is not+-- present in the HTTP request.+requestHeader :: HeaderName -> Controller (Maybe S8.ByteString)+requestHeader name = do+ req <- request+ return $ lookup name $ requestHeaders req++-- | Reads and returns the body of the HTTP request.+body :: Controller L8.ByteString+body = do+ bd <- fmap requestBody request+ lift $ bd $$ (CL.consume >>= return . L8.fromChunks)++-- | Parses a HTML form from the request body. It returns a list of 'Param's as+-- well as a list of 'File's, which are pairs mapping the name of a /file/ form+-- field to a 'FileInfo' pointing to a temporary file with the contents of the+-- upload.+--+-- @+-- myController = do+-- (prms, files) <- parseForm+-- let mPicFile = lookup \"profile_pic\" files+-- case mPicFile of+-- Just (picFile) -> do+-- sourceFile (fileContent picFile) $$+-- sinkFile (\"images/\" ++ (fileName picFile))+-- respond $ redirectTo \"/\"+-- Nothing -> redirectBack+-- @+parseForm :: Controller ([Param], [(S.ByteString, FileInfo FilePath)])+parseForm = do+ request >>= lift . (parseRequestBody tempFileBackEnd)+
+ Web/Simple/Responses.hs view
@@ -0,0 +1,131 @@+{-# LANGUAGE OverloadedStrings #-}+-- | This module defines some convenience functions for creating responses.+module Web.Simple.Responses+ ( ok, okHtml+ , movedTo, redirectTo+ , badRequest, requireBasicAuth, forbidden+ , notFound+ , serverError+ ) where++import qualified Data.ByteString.Char8 as S8+import qualified Data.ByteString.Lazy.Char8 as L8+import Network.HTTP.Types+import Network.Wai++-- | Type alias for 'S8.ByteString'+type ContentType = S8.ByteString++-- | Creates a 200 (OK) 'Response' with the given content-type and resposne+-- body+ok :: ContentType -> L8.ByteString -> Response+ok contentType body =+ responseLBS status200 [(hContentType, contentType)] body++-- | Helper to make responses with content-type \"text/html\"+mkHtmlResponse :: Status -> [Header] -> L8.ByteString -> Response+mkHtmlResponse stat hdrs =+ responseLBS stat ((hContentType, S8.pack "text/html"):hdrs)++-- | Creates a 200 (OK) 'Response' with content-type \"text/html\" and the+-- given resposne body+okHtml :: L8.ByteString -> Response+okHtml body =+ mkHtmlResponse status200 [] body++-- | Given a URL returns a 301 (Moved Permanently) 'Response' redirecting to+-- that URL.+movedTo :: String -> Response+movedTo url = mkHtmlResponse status301 [(hLocation, S8.pack url)] html+ where html = L8.concat+ [L8.pack+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n\+ \<HTML><HEAD>\n\+ \<TITLE>301 Moved Permanently</TITLE>\n\+ \</HEAD><BODY>\n\+ \<H1>Moved Permanently</H1>\n\+ \<P>The document has moved <A HREF=\""+ , L8.pack url+ , L8.pack "\">here</A>\n\+ \</BODY></HTML>\n"]++-- | Given a URL returns a 303 (See Other) 'Response' redirecting to that URL.+redirectTo :: String -> Response+redirectTo url = mkHtmlResponse status303 [(hLocation, S8.pack url)] html+ where html = L8.concat+ [L8.pack+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n\+ \<HTML><HEAD>\n\+ \<TITLE>303 See Other</TITLE>\n\+ \</HEAD><BODY>\n\+ \<H1>See Other</H1>\n\+ \<P>The document has moved <A HREF=\""+ , L8.pack url+ , L8.pack "\">here</A>\n\+ \</BODY></HTML>\n"]++-- | Returns a 400 (Bad Request) 'Response'.+badRequest :: Response+badRequest = mkHtmlResponse status400 [] html+ where html = L8.concat+ [L8.pack+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n\+ \<HTML><HEAD>\n\+ \<TITLE>400 Bad Request</TITLE>\n\+ \</HEAD><BODY>\n\+ \<H1>Bad Request</H1>\n\+ \<P>Your request could not be understood.</P>\n\+ \</BODY></HTML>\n"]++-- | Returns a 401 (Authorization Required) 'Response' requiring basic+-- authentication in the given realm.+requireBasicAuth :: String -> Response+requireBasicAuth realm = mkHtmlResponse status401+ [("WWW-Authenticate", S8.concat ["Basic realm=", S8.pack . show $ realm])] html+ where html = L8.concat+ [L8.pack+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n\+ \<HTML><HEAD>\n\+ \<TITLE>401 Authorization Required</TITLE>\n\+ \</HEAD><BODY>\n\+ \<H1>Authorization Required</H1>\n\+ \</BODY></HTML>\n"]++-- | Returns a 403 (Forbidden) 'Response'.+forbidden :: Response+forbidden = mkHtmlResponse status403 [] html+ where html = L8.concat+ [L8.pack+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n\+ \<HTML><HEAD>\n\+ \<TITLE>403 Forbidden</TITLE>\n\+ \</HEAD><BODY>\n\+ \<H1>Forbidden</H1>\n\+ \<P>You don't have permission to access this page.</P>\n\+ \</BODY></HTML>\n"]++-- | Returns a 404 (Not Found) 'Response'.+notFound :: Response+notFound = mkHtmlResponse status404 [] html+ where html = L8.concat+ [L8.pack+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n\+ \<HTML><HEAD>\n\+ \<TITLE>404 Not Found</TITLE>\n\+ \</HEAD><BODY>\n\+ \<H1>Not Found</H1>\n\+ \<P>The requested URL was not found on this server.</P>\n\+ \</BODY></HTML>\n"]++-- | Returns a 500 (Server Error) 'Response'.+serverError :: Response+serverError= mkHtmlResponse status500 [] html+ where html = L8.concat+ [L8.pack+ "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n\+ \<HTML><HEAD>\n\+ \<TITLE>500 Internal Server Error</TITLE>\n\+ \</HEAD><BODY>\n\+ \<H1>Internal Server Error</H1>\n\+ \</BODY></HTML>\n"]+
+ Web/Simple/Router.hs view
@@ -0,0 +1,240 @@+{-# LANGUAGE FlexibleInstances #-}+{- |++Conceptually, a route is function that, given an HTTP request, may return+an action (something that would return a response for the client if run).+Routes can be concatenated--where each route is evaluated until one+matches--and nested. Routes are expressed through the 'Routeable' type class.+'runRoute' transforms an instance of 'Routeable' to a function from 'Request'+to a monadic action (in the 'ResourceT' monad) that returns a+'Maybe' 'Response'. The return type was chosen to be monadic so routing+decisions can depend on side-effects (e.g. a random number or counter for A/B+testing, IP geolocation lookup etc').++-}++module Web.Simple.Router+ (+ -- * Example+ -- $Example+ Routeable(..)+ , mkRouter+ -- * Route Monad+ , Route(..)+ -- * Common Routes+ , routeAll, routeHost, routeTop, routeMethod+ , routePattern, routeName, routeVar+ ) where++import qualified Data.ByteString as S+import qualified Data.ByteString.Char8 as S8+import Data.Monoid+import Data.Conduit+import qualified Data.Text as T+import Network.HTTP.Types+import Network.Wai+import Web.Simple.Responses+++{- |+'Routeable' types can be converted into a route function using 'runRoute'.+If the route is matched it returns a 'Response', otherwise 'Nothing'.++In general, 'Routeable's are data-dependant (on the 'Request'), but don't have+to be. For example, 'Application' is an instance of 'Routeable' that always+returns a 'Response':++@+ instance Routeable Application where+ runRoute app req = app req >>= return . Just+@++-}+class Routeable r where+ runRoute :: r -> Request -> ResourceT IO (Maybe Response)++-- | Converts any 'Routeable' into an 'Application' that can be passed directly+-- to a WAI server.+mkRouter :: Routeable r => r -> Application+mkRouter route req = do+ mapp <- runRoute route req+ case mapp of+ Just resp -> return resp+ Nothing -> return notFound+++instance Routeable Application where+ runRoute app req = fmap Just $ app req++instance Routeable Response where+ runRoute resp = const . return . Just $ resp++{- |+The 'Route' type is a basic instance of 'Routeable' that simply holds the+routing function and an arbitrary additional data parameter. The power is+derived from the instances of 'Monad' and 'Monoid', which allow the+simple construction of complex routing rules using either lists ('Monoid') or+do-notation. Moreover, because of it's simple type, any 'Routeable' can be used+as a 'Route' (using 'routeAll' or by applying it to 'runRoute'), making it+possible to leverage the monadic or monoid syntax for any 'Routeable'.++Commonly, route functions that construct a 'Route' only inspect the 'Request'+and other parameters. For example, 'routeHost' looks at the hostname:++@+ routeHost :: Routeable r => S.ByteString -> r -> Route ()+ routeHost host route = Route func ()+ where func req = if host == serverName req+ then runRoute route req+ else return Nothing+@++However, because the result of a route is in the+'ResourceT' monad, routes have all the power of an 'Application' and can make+state-dependant decisions. For example, it is trivial to implement a route that+succeeds for every other request (perhaps for A/B testing):++@+ routeEveryOther :: (Routeable r1, Routeable r2)+ => TVar Int -> r1 -> r2 -> Route ()+ routeEveryOther counter r1 r2 = Route func ()+ where func req = do+ i <- liftIO . atomically $ do+ i' <- readTVar counter+ writeTVar counter (i' + 1)+ return i'+ if i `mod` 2 == 0+ then runRoute r1 req+ else runRoute r2 req+@++-}+data Route a = Route (Request -> ResourceT IO (Maybe Response)) a++mroute :: (Request -> ResourceT IO (Maybe Response)) -> Route ()+mroute handler = Route handler ()++instance Monad Route where+ return a = Route (const $ return Nothing) a+ (Route rtA valA) >>= fn =+ let (Route rtB valB) = fn valA+ in Route (\req -> do+ resA <- rtA req+ case resA of+ Nothing -> rtB req+ Just _ -> return resA) valB++instance Monoid (Route ()) where+ mempty = mroute $ const $ return Nothing+ mappend (Route a _) (Route b _) = mroute $ \req -> do+ c <- a req+ case c of+ Nothing -> b req+ Just _ -> return c++instance Routeable (Route a) where+ runRoute (Route rtr _) req = rtr req++-- | A route that always matches (useful for converting a 'Routeable' into a+-- 'Route').+routeAll :: Routeable r => r -> Route ()+routeAll = mroute . runRoute++-- | Matches on the hostname from the 'Request'. The route only successeds on+-- exact matches.+routeHost :: Routeable r => S.ByteString -> r -> Route ()+routeHost host route = mroute $ \req ->+ if host == serverName req then runRoute route req+ else return Nothing++-- | Matches if the path is empty. Note that this route checks that 'pathInfo'+-- is empty, so it works as expected when nested under namespaces or other+-- routes that pop the 'pathInfo' list.+routeTop :: Routeable r => r -> Route ()+routeTop route = mroute $ \req ->+ if null (pathInfo req) || (T.length . head $ pathInfo req) == 0+ then runRoute route req+ else return Nothing++-- | Matches on the HTTP request method (e.g. 'GET', 'POST', 'PUT')+routeMethod :: Routeable r => StdMethod -> r -> Route ()+routeMethod method route = mroute $ \req ->+ if renderStdMethod method == requestMethod req then+ runRoute route req+ else return Nothing++-- | Routes the given URL pattern. Patterns can include+-- directories as well as variable patterns (prefixed with @:@) to be added+-- to 'queryString' (see 'routeVar')+--+-- * \/posts\/:id+--+-- * \/posts\/:id\/new+--+-- * \/:date\/posts\/:category\/new+--+routePattern :: Routeable r => S.ByteString -> r -> Route ()+routePattern pattern route =+ let patternParts = map T.unpack $ decodePathSegments pattern+ in routeTop $ foldr mkRoute (mroute . runRoute $ route) patternParts+ where mkRoute (':':varName) = routeVar (S8.pack varName)+ mkRoute varName = routeName (S8.pack varName)++-- | Matches if the first directory in the path matches the given 'ByteString'+routeName :: Routeable r => S.ByteString -> r -> Route ()+routeName name route = mroute $ \req ->+ let poppedHdrReq = req { pathInfo = (tail . pathInfo $ req) }+ in if (length $ pathInfo req) > 0 && S8.unpack name == (T.unpack . head . pathInfo) req+ then runRoute route poppedHdrReq+ else return Nothing++-- | Always matches if there is at least one directory in 'pathInfo' but and+-- adds a parameter to 'queryString' where the key is the first parameter and+-- the value is the directory consumed from the path.+routeVar :: Routeable r => S.ByteString -> r -> Route ()+routeVar varName route = mroute $ \req ->+ let varVal = S8.pack . T.unpack . head . pathInfo $ req+ poppedHdrReq = req {+ pathInfo = (tail . pathInfo $ req)+ , queryString = (varName, Just varVal):(queryString req)}+ in if (length $ pathInfo req) > 0 then runRoute route poppedHdrReq+ else return Nothing++{- $Example+ #example#++The most basic 'Routeable' types are 'Application' and 'Response'. Reaching+either of these types marks a termination in the routing lookup. This module+exposes a monadic type 'Route' which makes it easy to create routing logic+in a DSL-like fashion.++'Route's are concatenated using the '>>' operator (or using do-notation).+In the end, any 'Routeable', including a 'Route' is converted to an+'Application' and passed to the server using 'mkRouter':++@++ mainAction :: Application+ mainAction req = ...++ signinForm :: Application+ signinForm req = ...++ login :: Application+ login req = ...++ updateProfile :: Application+ updateProfile req = ...++ main :: IO ()+ main = runSettings defaultSettings $ mkRouter $ do+ routeTop mainAction+ routeName \"sessions\" $ do+ routeMethod GET signinForm+ routeMethod POST login+ routeMethod PUT $ routePattern \"users/:id\" updateProfile+ routeAll $ responseLBS status404 [] \"Are you in the right place?\"+@++-}+
+ simple.cabal view
@@ -0,0 +1,72 @@+-- Initial wai-routes.cabal generated by cabal init. For further +-- documentation, see http://haskell.org/cabal/users-guide/++name: simple+version: 0.2.0+synopsis: A minimalist web framework for the WAI server interface+description:++ \Simple\ is \"framework-less\" web framework for Haskell web applications+ using the WAI server interface (e.g. for use with the warp server). Unlike+ other frameoworks, \Simple\ does not enforce a particular structure or+ paradigm for web applications. Rather, \Simple\ makes it easier for you, the+ developer, to use whichever paradigm or structure you like. This package+ includes:+ .+ * Web application building blocks under Web.Simple+ .+ * A Sintra (http://www.sinatrarb.com) inspired DSL - Web.Frank+ .+ * A Monad for building RESTful controllers - Web.REST+ .+ To get started using the warp web server:+ .+ @+ $ cabal install simple warp+ @+ .+ \helloworld.hs\:+ .+ > import Web.Simple+ > import Network.Wai.Handler.Warp+ >+ > main :: IO ()+ > main = runSettings defaultSettings $ mkRouter $+ > okHtml "Hello World"+ .+ @$ runghc -XOverloadedStrings helloworld.hs@+ .+ See /Web.Simple/ for a more detailed introduction.+license: GPL-3+license-file: LICENSE+author: Amit Levy+maintainer: amit@amitlevy.com+category: Web+build-type: Simple+cabal-version: >=1.9.2++library+ build-depends:+ base >=4.5 && < 5.0,+ conduit >= 0.5,+ wai >= 1.3 && < 2.0,+ wai-extra >= 1.3 && < 2.0,+ http-types >= 0.7.1,+ text >= 0.11,+ transformers >= 0.3,+ bytestring >= 0.9++ ghc-options: -Wall++ exposed-modules:+ Web.Simple,+ Web.Simple.Controller,+ Web.Simple.Responses,+ Web.Simple.Router,+ Web.Frank,+ Web.REST++source-repository head+ type: git+ location: anonymous@gitstar.com:alevy/wai-lite.git+