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authortv <tv@krebsco.de>2019-01-25 14:42:10 +0100
committertv <tv@krebsco.de>2019-01-25 14:53:09 +0100
commitf8c5b4cfe57cb50503b8333d5d06bd0f99fdecc6 (patch)
tree3c7d02b973c81f154557cbbae1245bcfeef1fdd4 /src
parent147f818a72f4561ed57131e0d181704b599d09f6 (diff)
Reaktor: show unprintable chars in logv0.1.5
Diffstat (limited to 'src')
-rw-r--r--src/Reaktor.hs46
1 files changed, 36 insertions, 10 deletions
diff --git a/src/Reaktor.hs b/src/Reaktor.hs
index 9ac0f25..21379ca 100644
--- a/src/Reaktor.hs
+++ b/src/Reaktor.hs
@@ -14,10 +14,11 @@ import Data.Attoparsec.Text (feed,parse)
import Data.Attoparsec.Text (IResult(Done,Fail,Partial))
import Data.ByteString (ByteString)
import qualified Data.ByteString.Char8.Extended as BS
+import qualified Data.Char as C
+import Data.Function (on)
import qualified Data.Text.Encoding as T
import qualified Data.Text.Extended as T
import qualified Data.Text.IO as T
-import Data.Foldable (toList)
import Data.Time.Clock.System
import Data.Time.Format
import qualified Network.Simple.TCP as TCP
@@ -54,8 +55,9 @@ run Config{..} getPlugins =
(putLog, takeLog0) <- newChan
let
takeLog1 = if cLogTime then takeLog0 >>= prefixTimestamp else takeLog0
- takeLog2 = if logToTTY then takeLog1 else stripSGR <$> takeLog1
- takeLog = takeLog2
+ takeLog2 = showUnprintable <$> takeLog1
+ takeLog3 = if logToTTY then takeLog2 else stripSGR <$> takeLog2
+ takeLog = takeLog3
(putInMsg, takeInMsg) <- newChan
(putOutMsg, takeOutMsg) <- newChan
@@ -96,10 +98,8 @@ run Config{..} getPlugins =
logger :: System.IO.Handle -> IO (Blessings Text) -> IO ()
-logger h takeLog = forever $ do
- s <- takeLog
- let s' = if lastChar s == '\n' then s else s <> Plain "\n"
- T.hPutStr h $ pp s'
+logger h takeLog = forever $ takeLog >>= T.hPutStrLn h . pp
+
pinger :: (Message -> IO ()) -> IO ()
pinger aSend = forever $ do
@@ -175,14 +175,40 @@ logMsgFilter = \case
msg -> Just msg
+showUnprintable :: Blessings Text -> Blessings Text
+showUnprintable =
+ fmap' showU
+ where
+ showU :: Text -> Blessings Text
+ showU =
+ mconcat
+ . map (either Plain (hi . Plain . showLitChars))
+ . toEither (not . C.isPrint)
+
+ -- like Blessings' fmap, but don't wrap the Plain case in another Plain
+ fmap' :: (Text -> Blessings Text) -> Blessings Text -> Blessings Text
+ fmap' f = \case
+ Append t1 t2 -> Append (fmap' f t1) (fmap' f t2)
+ Plain s -> f s
+ SGR pm t -> SGR pm (fmap' f t)
+ Empty -> Empty
+
+ hi = SGR [38,5,79]
+
+ showLitChars :: Text -> Text
+ showLitChars = T.concatMap (T.pack . flip C.showLitChar "")
+
+ toEither :: (Char -> Bool) -> Text -> [Either Text Text]
+ toEither p =
+ map (\s -> if p (T.head s) then Right s else Left s)
+ . T.groupBy ((==) `on` p)
+
+
privmsg :: Text -> [Text] -> Message
privmsg msgtarget xs =
Message Nothing "PRIVMSG" (msgtarget:T.intercalate " " xs:[])
-lastChar :: Blessings Text -> Char
-lastChar = T.last . last . toList
-
prefixTimestamp :: Blessings Text -> IO (Blessings Text)
prefixTimestamp s = do
t <- SGR [38,5,239] . Plain . T.pack <$> getTimestamp