diff options
Diffstat (limited to 'Pancake/Printing.hs')
| -rw-r--r-- | Pancake/Printing.hs | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/Pancake/Printing.hs b/Pancake/Printing.hs index 8ed38d4..4248ceb 100644 --- a/Pancake/Printing.hs +++ b/Pancake/Printing.hs @@ -26,6 +26,7 @@ Renderer output printing facilities. module Pancake.Printing ( showLines , putSexpLn + , encodeSexpStr , showSexps ) where @@ -72,6 +73,15 @@ putSexpLn s = liftIO $ do putStrLn $ list s hFlush stdout +-- | Encodes a string for use in s-expressions. +encodeSexpStr :: String -> String +encodeSexpStr s = concat ["\"", concatMap escape s, "\""] + where + escape '\\' = "\\\\" + escape '"' = "\\\"" + escape '\n' = "\\n" + escape other = pure other + -- | Prints rendered lines as s-expressions. showSexps :: MonadIO m => URI -> [RendererOutput] -> m () showSexps uri ro = @@ -82,18 +92,13 @@ showSexps uri ro = map (list . pure . unwords . map showSexp . mergeStyled) (rLines ro) , list $ "identifiers" - : map (\(i, l) -> list [encodeStr i, show l]) (rIdentifiers ro) + : map (\(i, l) -> list [encodeSexpStr i, show l]) (rIdentifiers ro) , list $ "links" - : map (\u -> encodeStr $ uriToString id u "") (rLinks ro) - , list ["uri", ".", encodeStr $ uriToString id uri ""]] + : map (\u -> encodeSexpStr $ uriToString id u "") (rLinks ro) + , list ["uri", ".", encodeSexpStr $ uriToString id uri ""]] where - encodeStr s = concat ["\"", concatMap escape s, "\""] - escape '\\' = "\\\\" - escape '"' = "\\\"" - escape '\n' = "\\n" - escape other = pure other showSexp :: Styled -> String - showSexp (Plain s) = encodeStr s + showSexp (Plain s) = encodeSexpStr s showSexp (Fg clr s) = list ["fg", show clr, showSexp s] showSexp (Bold s) = list ["style", "bold", showSexp s] showSexp (Underline s) = list ["style", "underline", showSexp s] @@ -105,9 +110,9 @@ showSexps uri ro = , showDenotation d , showSexp s] showDenotation :: Denotation -> String - showDenotation (Link u) = list ["link", ".", encodeStr $ show u] - showDenotation (Image u) = list ["image", ".", encodeStr $ show u] - showDenotation (Math m) = list ["math", ".", encodeStr m] + showDenotation (Link u) = list ["link", ".", encodeSexpStr $ show u] + showDenotation (Image u) = list ["image", ".", encodeSexpStr $ show u] + showDenotation (Math m) = list ["math", ".", encodeSexpStr m] showDenotation (Heading l) = list ["heading", ".", show l] mergeStyled :: [Styled] -> [Styled] |