diff options
Diffstat (limited to 'src/Text/Pandoc')
| -rw-r--r-- | src/Text/Pandoc/Writers/Docx.hs | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/Text/Pandoc/Writers/Docx.hs b/src/Text/Pandoc/Writers/Docx.hs index 81369e278..d96faaf86 100644 --- a/src/Text/Pandoc/Writers/Docx.hs +++ b/src/Text/Pandoc/Writers/Docx.hs @@ -1,4 +1,4 @@ -{-# LANGUAGE ScopedTypeVariables, PatternGuards #-} +{-# LANGUAGE ScopedTypeVariables, PatternGuards, ViewPatterns #-} {- Copyright (C) 2012-2014 John MacFarlane <jgm@berkeley.edu> @@ -66,6 +66,7 @@ import Text.Pandoc.MIME (MimeType, getMimeType, getMimeTypeDef, extensionFromMimeType) import Control.Applicative ((<$>), (<|>), (<*>)) import Data.Maybe (fromMaybe, mapMaybe, maybeToList) +import Data.Char (ord) data ListMarker = NoMarker | BulletMarker @@ -176,13 +177,29 @@ renumId f renumMap e renumIds :: (QName -> Bool) -> (M.Map String String) -> [Element] -> [Element] renumIds f renumMap = map (renumId f renumMap) +-- | Certain characters are invalid in XML even if escaped. +-- See #1992 +stripInvalidChars :: Pandoc -> Pandoc +stripInvalidChars = bottomUp (filter isValidChar) + +-- | See XML reference +isValidChar :: Char -> Bool +isValidChar (ord -> c) + | c == 0x9 = True + | c == 0xA = True + | c == 0xD = True + | 0x20 <= c && c <= 0xD7FF = True + | 0xE000 <= c && c <= 0xFFFD = True + | 0x10000 <= c && c <= 0x10FFFF = True + | otherwise = False + -- | Produce an Docx file from a Pandoc document. writeDocx :: WriterOptions -- ^ Writer options -> Pandoc -- ^ Document to convert -> IO BL.ByteString writeDocx opts doc@(Pandoc meta _) = do let datadir = writerUserDataDir opts - let doc' = walk fixDisplayMath doc + let doc' = stripInvalidChars . walk fixDisplayMath $ doc username <- lookup "USERNAME" <$> getEnvironment utctime <- getCurrentTime refArchive <- liftM (toArchive . toLazy) $ |