machines-process (empty) → 0.0.0.1
raw patch · 4 files changed
+267/−0 lines, 4 filesdep +basedep +chunked-datadep +machinessetup-changed
Dependencies added: base, chunked-data, machines, machines-io, process
Files
- LICENSE +202/−0
- Setup.hs +2/−0
- machines-process.cabal +24/−0
- src/System/Process/Machine.hs +39/−0
+ LICENSE view
@@ -0,0 +1,202 @@++ Apache License+ Version 2.0, January 2004+ http://www.apache.org/licenses/++ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION++ 1. Definitions.++ "License" shall mean the terms and conditions for use, reproduction,+ and distribution as defined by Sections 1 through 9 of this document.++ "Licensor" shall mean the copyright owner or entity authorized by+ the copyright owner that is granting the License.++ "Legal Entity" shall mean the union of the acting entity and all+ other entities that control, are controlled by, or are under common+ control with that entity. 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We also recommend that a+ file or class name and description of purpose be included on the+ same "printed page" as the copyright notice for easier+ identification within third-party archives.++ Copyright 1985 Alois Cochard++ Licensed under the Apache License, Version 2.0 (the "License");+ you may not use this file except in compliance with the License.+ You may obtain a copy of the License at++ http://www.apache.org/licenses/LICENSE-2.0++ Unless required by applicable law or agreed to in writing, software+ distributed under the License is distributed on an "AS IS" BASIS,+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.+ See the License for the specific language governing permissions and+ limitations under the License.
+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ machines-process.cabal view
@@ -0,0 +1,24 @@+name: machines-process+version: 0.0.0.1+synopsis: Process (system) utilities for the machines library+homepage: http://github.com/aloiscochard/machines-io+license: Apache-2.0+license-file: LICENSE+author: Alois Cochard+maintainer: alois.cochard@gmail.com+category: System+build-type: Simple+cabal-version: >=1.10++library+ default-language: Haskell2010+ hs-source-dirs: src+ ghc-options: -fwarn-incomplete-patterns+ exposed-modules: + System.Process.Machine+ build-depends: + base >=4.7 && <4.8+ , chunked-data+ , machines+ , machines-io+ , process
+ src/System/Process/Machine.hs view
@@ -0,0 +1,39 @@+{-# LANGUAGE ImpredicativeTypes #-}+module System.Process.Machine where++import Data.Machine+import Data.IOData (IOData, hGetLine, hPutStrLn)+import System.Exit (ExitCode(..))+import System.IO (Handle)+import System.IO.Machine+import System.Process (CreateProcess(..), ProcessHandle, StdStream(CreatePipe), createProcess, shell, waitForProcess)++type ProcessMachines a b k = (Maybe (ProcessT IO a b), Maybe (MachineT IO k a), Maybe (MachineT IO k a))++mStdIn :: IOSource a -> ProcessMachines a a0 k0 -> IO ()+mStdIn ms (Just stdIn, _, _) = runT_ $ stdIn <~ ms+mStdIn ms _ = return ()++mStdOut :: ProcessT IO a b -> ProcessMachines a a0 k0 -> IO [b]+mStdOut mp (_, Just stdOut, _) = runT $ mp <~ stdOut+mStdOut mp _ = return []++mStdErr :: ProcessT IO a b -> ProcessMachines a a0 k0 -> IO [b]+mStdErr mp (_, _, Just stdErr) = runT $ mp <~ stdErr+mStdErr mp _ = return []++callProcessMachines :: IOData a => forall b k. IODataMode a -> CreateProcess -> (ProcessMachines a b k -> IO c) -> IO (ExitCode, c)+callProcessMachines m cp f = do+ (machines, pHandle) <- createProcessMachines m cp+ x <- f machines+ exitCode <- waitForProcess pHandle+ return (exitCode, x)++createProcessMachines :: IOData a => forall b k. IODataMode a -> CreateProcess -> IO (ProcessMachines a b k, ProcessHandle)+createProcessMachines (IODataMode r w) cp = do+ (pIn, pOut, pErr, pHandle) <- createProcess cp+ let pInSink = fmap (sinkHandleWith w) pIn+ let pOutSource = fmap sourceHandle pOut+ let pErrSource = fmap sourceHandle pOut+ return $ ((pInSink, pOutSource, pErrSource), pHandle) where+ sourceHandle = sourceHandleWith r