diff options
Diffstat (limited to 'src/Text/Pandoc')
| -rw-r--r-- | src/Text/Pandoc/PDF.hs | 39 |
1 files changed, 3 insertions, 36 deletions
diff --git a/src/Text/Pandoc/PDF.hs b/src/Text/Pandoc/PDF.hs index 49b455285..b030e2ca7 100644 --- a/src/Text/Pandoc/PDF.hs +++ b/src/Text/Pandoc/PDF.hs @@ -38,11 +38,7 @@ import qualified Data.ByteString as BS import System.Exit (ExitCode (..)) import System.FilePath import System.Directory -import System.Process import System.Environment -import Control.Exception (evaluate) -import System.IO (hClose) -import Control.Concurrent (putMVar, takeMVar, newEmptyMVar, forkIO) import Control.Monad (unless) import Data.List (isInfixOf) import qualified Data.ByteString.Base64 as B64 @@ -52,6 +48,8 @@ import Text.Pandoc.Generic (bottomUpM) import Text.Pandoc.Shared (fetchItem, warn) import Text.Pandoc.Options (WriterOptions(..)) import Text.Pandoc.MIME (extensionFromMimeType) +import Text.Pandoc.Process (pipeProcess) +import qualified Data.ByteString.Lazy as BL withTempDir :: String -> (FilePath -> IO a) -> IO a withTempDir = @@ -148,7 +146,7 @@ runTeXProgram program runsLeft tmpDir source = do $ lookup "TEXINPUTS" env' let env'' = ("TEXINPUTS", texinputs) : [(k,v) | (k,v) <- env', k /= "TEXINPUTS"] - (exit, out, err) <- readCommand (Just env'') program programArgs + (exit, out, err) <- pipeProcess (Just env'') program programArgs BL.empty if runsLeft > 1 then runTeXProgram program (runsLeft - 1) tmpDir source else do @@ -159,34 +157,3 @@ runTeXProgram program runsLeft tmpDir source = do else return Nothing return (exit, out <> err, pdf) --- utility functions - --- Run a command and return exitcode, contents of stdout, and --- contents of stderr. (Based on --- 'readProcessWithExitCode' from 'System.Process'.) -readCommand :: Maybe [(String, String)] -- ^ environment variables - -> FilePath -- ^ command to run - -> [String] -- ^ any arguments - -> IO (ExitCode,ByteString,ByteString) -- ^ exit, stdout, stderr -readCommand mbenv cmd args = do - (Just inh, Just outh, Just errh, pid) <- - createProcess (proc cmd args){ env = mbenv, - std_in = CreatePipe, - std_out = CreatePipe, - std_err = CreatePipe } - outMVar <- newEmptyMVar - -- fork off a thread to start consuming stdout - out <- B.hGetContents outh - _ <- forkIO $ evaluate (B.length out) >> putMVar outMVar () - -- fork off a thread to start consuming stderr - err <- B.hGetContents errh - _ <- forkIO $ evaluate (B.length err) >> putMVar outMVar () - -- now write and flush any input - hClose inh -- done with stdin - -- wait on the output - takeMVar outMVar - takeMVar outMVar - hClose outh - -- wait on the process - ex <- waitForProcess pid - return (ex, out, err) |