diff options
Diffstat (limited to 'src/Text')
| -rw-r--r-- | src/Text/Pandoc/Readers/TeXMath.hs | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/src/Text/Pandoc/Readers/TeXMath.hs b/src/Text/Pandoc/Readers/TeXMath.hs index ca839dd08..8c9fe2c7e 100644 --- a/src/Text/Pandoc/Readers/TeXMath.hs +++ b/src/Text/Pandoc/Readers/TeXMath.hs @@ -27,12 +27,10 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Conversion of TeX math to a list of 'Pandoc' inline elements. -} -module Text.Pandoc.Readers.TeXMath ( - readTeXMath - ) where +module Text.Pandoc.Readers.TeXMath ( readTeXMath ) where -import Text.ParserCombinators.Parsec import Text.Pandoc.Definition +import Text.TeXMath.Types import Text.TeXMath.Parser -- | Converts a raw TeX math formula to a list of 'Pandoc' inlines. @@ -40,16 +38,17 @@ import Text.TeXMath.Parser -- can't be converted. readTeXMath :: String -- ^ String to parse (assumes @'\n'@ line endings) -> [Inline] -readTeXMath inp = case readTeXMath' inp of - Nothing -> [Str ("$" ++ inp ++ "$")] - Just res -> res +readTeXMath inp = case texMathToPandoc inp of + Left _ -> [Str ("$" ++ inp ++ "$")] + Right res -> res --- | Like 'readTeXMath', but without the default. -readTeXMath' :: String -- ^ String to parse (assumes @'\n'@ line endings) - -> Maybe [Inline] -readTeXMath' inp = case parse formula "formula" inp of - Left _ -> Just [Str inp] - Right exps -> expsToInlines exps +texMathToPandoc :: String -> Either String [Inline] +texMathToPandoc inp = inp `seq` + case parseFormula inp of + Left err -> Left err + Right exps -> case expsToInlines exps of + Nothing -> Left "Formula too complex for [Inline]" + Just r -> Right r expsToInlines :: [Exp] -> Maybe [Inline] expsToInlines xs = do @@ -111,3 +110,4 @@ expToInlines (EOver (EGrouped [EIdentifier [c]]) (ESymbol Accent [accent])) = _ -> Nothing expToInlines _ = Nothing + |