diff options
Diffstat (limited to 'src/Text/Pandoc/Shared.hs')
| -rw-r--r-- | src/Text/Pandoc/Shared.hs | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/Text/Pandoc/Shared.hs b/src/Text/Pandoc/Shared.hs index 7b299c56b..53fd38ffd 100644 --- a/src/Text/Pandoc/Shared.hs +++ b/src/Text/Pandoc/Shared.hs @@ -49,6 +49,7 @@ module Text.Pandoc.Shared ( toRomanNumeral, escapeURI, tabFilter, + crFilter, -- * Date/time normalizeDate, -- * Pandoc block and inline list processing @@ -279,13 +280,12 @@ escapeURI = escapeURIString (not . needsEscaping) where needsEscaping c = isSpace c || c `elem` ['<','>','|','"','{','}','[',']','^', '`'] --- | Convert tabs to spaces and filter out DOS line endings. --- Tabs will be preserved if tab stop is set to 0. +-- | Convert tabs to spaces. Tabs will be preserved if tab stop is set to 0. tabFilter :: Int -- ^ Tab stop -> T.Text -- ^ Input -> T.Text -tabFilter tabStop = T.filter (/= '\r') . T.unlines . - (if tabStop == 0 then id else map go) . T.lines +tabFilter 0 = id +tabFilter tabStop = T.unlines . map go . T.lines where go s = let (s1, s2) = T.break (== '\t') s in if T.null s2 @@ -294,6 +294,10 @@ tabFilter tabStop = T.filter (/= '\r') . T.unlines . (tabStop - (T.length s1 `mod` tabStop)) (T.pack " ") <> go (T.drop 1 s2) +-- | Strip out DOS line endings. +crFilter :: T.Text -> T.Text +crFilter = T.filter (/= '\r') + -- -- Date/time -- |