decoder-conduit (empty) → 0.0.1.0

raw patch · 4 files changed

+124/−0 lines, 4 filesdep +basedep +binarydep +bytestringsetup-changed

Dependencies added: base, binary, bytestring, conduit

Files

• Data/Conduit/Decoder.hs +35/−0
• LICENSE +30/−0
• Setup.hs +2/−0
• decoder-conduit.cabal +57/−0

@@ -0,0 +1,35 @@+{-# LANGUAGE DeriveDataTypeable #-}++module Data.Conduit.Decoder +    ( conduitDecoder+    , BinaryDecodeException(BinaryDecodeException)+    ) where+        +import           Control.Exception (Exception)+import           Data.Binary.Get (Get, Decoder(Fail, Partial, Done), runGetIncremental, pushChunk)+import           Data.ByteString (ByteString)+import           Data.Conduit (Conduit, MonadThrow, monadThrow, await, yield)+import           Data.Typeable (Typeable)+++-- | Basic decoder exception+data BinaryDecodeException = BinaryDecodeException String+    deriving (Show, Typeable)+    +instance Exception BinaryDecodeException++-- | Incrementally reads ByteStrings and builds from supplied Get monad.+-- Will throw an exception if there was an error parsing+conduitDecoder :: MonadThrow m => Get a -> Conduit ByteString m a+conduitDecoder decoderGet = incrementalDecode emptyGet+        where emptyGet = runGetIncremental decoderGet+              incrementalDecode built = await >>= maybe (return ()) handleConvert+                  where handleConvert msg = do+                            let newMsg = pushChunk built msg+                            case newMsg of+                                    Done a n doc -> do yield doc+                                                       incrementalDecode $ pushChunk emptyGet a+                                    Partial _    -> incrementalDecode newMsg+                                    Fail a _ err -> do+                                        monadThrow $ BinaryDecodeException err+                                        incrementalDecode $ pushChunk emptyGet a

@@ -0,0 +1,30 @@+Copyright (c) 2013, Kyle Hanson++All rights reserved.++Redistribution and use in source and binary forms, with or without+modification, are permitted provided that the following conditions are met:++    * Redistributions of source code must retain the above copyright+      notice, this list of conditions and the following disclaimer.++    * Redistributions in binary form must reproduce the above+      copyright notice, this list of conditions and the following+      disclaimer in the documentation and/or other materials provided+      with the distribution.++    * Neither the name of Kyle Hanson nor the names of other+      contributors may be used to endorse or promote products derived+      from this software without specific prior written permission.++THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain

@@ -0,0 +1,57 @@+-- Initial decoder-conduit.cabal generated by cabal init.  For further +-- documentation, see http://haskell.org/cabal/users-guide/++-- The name of the package.+name:                decoder-conduit++-- The package version.  See the Haskell package versioning policy (PVP) +-- for standards guiding when and how versions should be incremented.+-- http://www.haskell.org/haskellwiki/Package_versioning_policy+-- PVP summary:      +-+------- breaking API changes+--                   | | +----- non-breaking API additions+--                   | | | +--- code changes with no API change+version:             0.0.1.0++-- A short (one-line) description of the package.+synopsis:            Conduit for decoding ByteStrings using Data.Binary.Get++-- A longer description of the package.+description:      Simple conduit for decoding ByteStrings into values using Data.Binary.Get++-- URL for the project homepage or repository.+homepage:            https://github.com/hansonkd/decoder-conduit++-- The license under which the package is released.+license:             BSD3++-- The file containing the license text.+license-file:        LICENSE++-- The package author(s).+author:              Kyle Hanson++-- An email address to which users can send suggestions, bug reports, and +-- patches.+maintainer:          hanooter@gmail.com++-- A copyright notice.+-- copyright:           ++category:            Data++build-type:          Simple++-- Constraint on the version of Cabal needed to build this package.+cabal-version:       >=1.8+++library+  -- Modules exported by the library.+  exposed-modules:     Data.Conduit.Decoder+  +  -- Modules included in this library but not exported.+  -- other-modules:       +  +  -- Other library packages from which modules are imported.+  build-depends:       base ==4.6.*, binary ==0.7.*, bytestring ==0.10.*, conduit ==1.0.*+