diff options
Diffstat (limited to 'src/Text/Pandoc/Filter/JSON.hs')
| -rw-r--r-- | src/Text/Pandoc/Filter/JSON.hs | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/Text/Pandoc/Filter/JSON.hs b/src/Text/Pandoc/Filter/JSON.hs index c1cbf91a9..e8e737499 100644 --- a/src/Text/Pandoc/Filter/JSON.hs +++ b/src/Text/Pandoc/Filter/JSON.hs @@ -1,4 +1,5 @@ {-# LANGUAGE NoImplicitPrelude #-} +{-# LANGUAGE OverloadedStrings #-} {- | Module : Text.Pandoc.Filter Copyright : Copyright (C) 2006-2019 John MacFarlane @@ -18,6 +19,7 @@ import Control.Monad.Trans (MonadIO (liftIO)) import Data.Aeson (eitherDecode', encode) import Data.Char (toLower) import Data.Maybe (isNothing) +import qualified Data.Text as T import System.Directory (executable, doesFileExist, findExecutable, getPermissions) import System.Environment (getEnvironment) @@ -28,7 +30,7 @@ import Text.Pandoc.Error (PandocError (PandocFilterError)) import Text.Pandoc.Definition (Pandoc) import Text.Pandoc.Options (ReaderOptions) import Text.Pandoc.Process (pipeProcess) -import Text.Pandoc.Shared (pandocVersion) +import Text.Pandoc.Shared (pandocVersion, tshow) import qualified Control.Exception as E import qualified Text.Pandoc.UTF8 as UTF8 @@ -61,18 +63,20 @@ externalFilter ropts f args' d = liftIO $ do unless (exists && isExecutable) $ do mbExe <- findExecutable f' when (isNothing mbExe) $ - E.throwIO $ PandocFilterError f ("Could not find executable " ++ f') + E.throwIO $ PandocFilterError fText (T.pack $ "Could not find executable " <> f') env <- getEnvironment let env' = Just - ( ("PANDOC_VERSION", pandocVersion) + ( ("PANDOC_VERSION", T.unpack pandocVersion) : ("PANDOC_READER_OPTIONS", UTF8.toStringLazy (encode ropts)) : env ) (exitcode, outbs) <- E.handle filterException $ pipeProcess env' f' args'' $ encode d case exitcode of - ExitSuccess -> either (E.throwIO . PandocFilterError f) + ExitSuccess -> either (E.throwIO . PandocFilterError fText . T.pack) return $ eitherDecode' outbs - ExitFailure ec -> E.throwIO $ PandocFilterError f - ("Filter returned error status " ++ show ec) - where filterException :: E.SomeException -> IO a - filterException e = E.throwIO $ PandocFilterError f (show e) + ExitFailure ec -> E.throwIO $ PandocFilterError fText + ("Filter returned error status " <> tshow ec) + where fText = T.pack f + + filterException :: E.SomeException -> IO a + filterException e = E.throwIO $ PandocFilterError fText $ tshow e |