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authorJohn MacFarlane <jgm@berkeley.edu>2013-08-24 16:10:13 -0700
committerJohn MacFarlane <jgm@berkeley.edu>2013-08-24 16:10:13 -0700
commit74250b6c351180cb350150b8069824111193b913 (patch)
tree7c961b4a7d7fcbd95a212e693e4a02ab7802100d /src/Text/Pandoc
parent6e222ce2252637da77a8d7ab460af4f0ce0841c1 (diff)
Moved most of Text.Pandoc.Readers.TeXMath to texmath 0.6.4.
Diffstat (limited to 'src/Text/Pandoc')
-rw-r--r--src/Text/Pandoc/Readers/TeXMath.hs84
1 files changed, 2 insertions, 82 deletions
diff --git a/src/Text/Pandoc/Readers/TeXMath.hs b/src/Text/Pandoc/Readers/TeXMath.hs
index fe49a992e..1f7088f72 100644
--- a/src/Text/Pandoc/Readers/TeXMath.hs
+++ b/src/Text/Pandoc/Readers/TeXMath.hs
@@ -30,93 +30,13 @@ Conversion of TeX math to a list of 'Pandoc' inline elements.
module Text.Pandoc.Readers.TeXMath ( readTeXMath ) where
import Text.Pandoc.Definition
-import Text.TeXMath.Types
-import Text.TeXMath.Parser
+import Text.TeXMath
-- | Converts a raw TeX math formula to a list of 'Pandoc' inlines.
-- Defaults to raw formula between @$@ characters if entire formula
-- can't be converted.
readTeXMath :: String -- ^ String to parse (assumes @'\n'@ line endings)
-> [Inline]
-readTeXMath inp = case texMathToPandoc inp of
+readTeXMath inp = case texMathToPandoc DisplayInline inp of
Left _ -> [Str ("$" ++ inp ++ "$")]
Right res -> res
-
-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
- res <- mapM expToInlines xs
- return (concat res)
-
-expToInlines :: Exp -> Maybe [Inline]
-expToInlines (ENumber s) = Just [Str s]
-expToInlines (EIdentifier s) = Just [Emph [Str s]]
-expToInlines (EMathOperator s) = Just [Str s]
-expToInlines (ESymbol t s) = Just $ addSpace t (Str s)
- where addSpace Op x = [x, thinspace]
- addSpace Bin x = [medspace, x, medspace]
- addSpace Rel x = [widespace, x, widespace]
- addSpace Pun x = [x, thinspace]
- addSpace _ x = [x]
- thinspace = Str "\x2006"
- medspace = Str "\x2005"
- widespace = Str "\x2004"
-expToInlines (EStretchy x) = expToInlines x
-expToInlines (EDelimited start end xs) = do
- xs' <- mapM expToInlines xs
- return $ [Str start] ++ concat xs' ++ [Str end]
-expToInlines (EGrouped xs) = expsToInlines xs
-expToInlines (ESpace "0.167em") = Just [Str "\x2009"]
-expToInlines (ESpace "0.222em") = Just [Str "\x2005"]
-expToInlines (ESpace "0.278em") = Just [Str "\x2004"]
-expToInlines (ESpace "0.333em") = Just [Str "\x2004"]
-expToInlines (ESpace "1em") = Just [Str "\x2001"]
-expToInlines (ESpace "2em") = Just [Str "\x2001\x2001"]
-expToInlines (ESpace _) = Just [Str " "]
-expToInlines (EBinary _ _ _) = Nothing
-expToInlines (ESub x y) = do
- x' <- expToInlines x
- y' <- expToInlines y
- return $ x' ++ [Subscript y']
-expToInlines (ESuper x y) = do
- x' <- expToInlines x
- y' <- expToInlines y
- return $ x' ++ [Superscript y']
-expToInlines (ESubsup x y z) = do
- x' <- expToInlines x
- y' <- expToInlines y
- z' <- expToInlines z
- return $ x' ++ [Subscript y'] ++ [Superscript z']
-expToInlines (EDown x y) = expToInlines (ESub x y)
-expToInlines (EUp x y) = expToInlines (ESuper x y)
-expToInlines (EDownup x y z) = expToInlines (ESubsup x y z)
-expToInlines (EText TextNormal x) = Just [Str x]
-expToInlines (EText TextBold x) = Just [Strong [Str x]]
-expToInlines (EText TextMonospace x) = Just [Code nullAttr x]
-expToInlines (EText TextItalic x) = Just [Emph [Str x]]
-expToInlines (EText _ x) = Just [Str x]
-expToInlines (EOver (EGrouped [EIdentifier [c]]) (ESymbol Accent [accent])) =
- case accent of
- '\x203E' -> Just [Emph [Str [c,'\x0304']]] -- bar
- '\x00B4' -> Just [Emph [Str [c,'\x0301']]] -- acute
- '\x0060' -> Just [Emph [Str [c,'\x0300']]] -- grave
- '\x02D8' -> Just [Emph [Str [c,'\x0306']]] -- breve
- '\x02C7' -> Just [Emph [Str [c,'\x030C']]] -- check
- '.' -> Just [Emph [Str [c,'\x0307']]] -- dot
- '\x00B0' -> Just [Emph [Str [c,'\x030A']]] -- ring
- '\x20D7' -> Just [Emph [Str [c,'\x20D7']]] -- arrow right
- '\x20D6' -> Just [Emph [Str [c,'\x20D6']]] -- arrow left
- '\x005E' -> Just [Emph [Str [c,'\x0302']]] -- hat
- '\x0302' -> Just [Emph [Str [c,'\x0302']]] -- hat
- '~' -> Just [Emph [Str [c,'\x0303']]] -- tilde
- _ -> Nothing
-expToInlines _ = Nothing
-
-