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{-
Copyright (C) 2007-2014 John MacFarlane <jgm@berkeley.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
{- |
Module : Text.Pandoc.Readers.TeXMath
Copyright : Copyright (C) 2007-2014 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Conversion of TeX math to a list of 'Pandoc' inline elements.
-}
module Text.Pandoc.Readers.TeXMath ( texMathToInlines ) where
import Text.Pandoc.Definition
import Text.TeXMath
-- | Converts a raw TeX math formula to a list of 'Pandoc' inlines.
-- Defaults to raw formula between @$@ or @$$@ characters if entire formula
-- can't be converted.
texMathToInlines :: MathType
-> String -- ^ String to parse (assumes @'\n'@ line endings)
-> [Inline]
texMathToInlines mt inp =
case writePandoc dt `fmap` readTeX inp of
Right (Just ils) -> ils
_ -> [Str (delim ++ inp ++ delim)]
where (dt, delim) = case mt of
DisplayMath -> (DisplayBlock, "$$")
InlineMath -> (DisplayInline, "$")
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