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-rw-r--r--src/Text/Pandoc/Readers/Docx/OMath.hs622
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diff --git a/src/Text/Pandoc/Readers/Docx/OMath.hs b/src/Text/Pandoc/Readers/Docx/OMath.hs
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@@ -0,0 +1,622 @@
+{-# LANGUAGE PatternGuards #-}
+
+{-
+Copyright (C) 2014 Jesse Rosenthal <jrosenthal@jhu.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.Docx.Math
+ Copyright : Copyright (C) 2014 Jesse Rosenthal
+ License : GNU GPL, version 2 or above
+
+ Maintainer : Jesse Rosenthal <jrosenthal@jhu.edu>
+ Stability : alpha
+ Portability : portable
+
+Types and functions for conversion of OMML into TeXMath.
+-}
+
+module Text.Pandoc.Readers.Docx.OMath ( elemToExps
+ ) where
+
+import Text.XML.Light
+import Data.Maybe (mapMaybe, fromMaybe)
+import Data.List (intersperse)
+import qualified Text.TeXMath.Types as TM
+import Control.Applicative ((<$>))
+
+type NameSpaces = [(String, String)]
+
+elemName :: NameSpaces -> String -> String -> QName
+elemName ns prefix name = (QName name (lookup prefix ns) (Just prefix))
+
+isElem :: NameSpaces -> String -> String -> Element -> Bool
+isElem ns prefix name element =
+ qName (elName element) == name &&
+ qURI (elName element) == (lookup prefix ns)
+
+
+data OMath = OMath [OMathElem]
+ deriving Show
+
+data OMathElem = Accent AccentStyle Base
+ | Bar BarStyle Base
+ | Box Base
+ | BorderBox Base
+ | Delimiter DelimStyle [Base]
+ | EquationArray [Base]
+ | Fraction [OMathElem] [OMathElem]
+ | Function [OMathElem] Base
+ | Group GroupStyle Base
+ | LowerLimit Base [OMathElem]
+ | UpperLimit Base [OMathElem]
+ | Matrix [[Base]]
+ | NAry NAryStyle [OMathElem] [OMathElem] Base
+ | Phantom Base
+ | Radical [OMathElem] Base
+ | PreSubSuper [OMathElem] [OMathElem] Base
+ | Sub Base [OMathElem]
+ | SubSuper Base [OMathElem] [OMathElem]
+ | Super Base [OMathElem]
+ | OMathRun OMathRunStyle [OMathRunElem]
+ deriving Show
+
+data OMathRunElem = TextRun String
+ | LnBrk
+ | Tab
+ deriving Show
+
+data Base = Base [OMathElem]
+ deriving Show
+
+data TopBottom = Top | Bottom
+ deriving Show
+
+data AccentStyle = AccentStyle { accentChar :: Maybe Char }
+ deriving Show
+
+data BarStyle = BarStyle { barPos :: TopBottom}
+ deriving Show
+
+data NAryStyle = NAryStyle { nAryChar :: Maybe Char
+ , nAryLimLoc :: LimLoc}
+ deriving Show
+
+data OMathRunStyle = OMathRunStyle { oMathLit :: Bool
+ , oMathRunTextStyle :: OMathRunTextStyle }
+ deriving Show
+
+data OMathRunTextStyle = NoStyle
+ | Normal
+ | Styled { oMathScript :: Maybe OMathTextScript
+ , oMathStyle :: Maybe OMathTextStyle }
+ deriving Show
+
+data OMathTextScript = ORoman
+ | OScript
+ | OFraktur
+ | ODoubleStruck
+ | OSansSerif
+ | OMonospace
+ deriving (Show, Eq)
+
+data OMathTextStyle = OPlain
+ | OBold
+ | OItalic
+ | OBoldItalic
+ deriving (Show, Eq)
+
+defaultNAryStyle :: NAryStyle
+defaultNAryStyle = NAryStyle { nAryChar = Nothing -- integral, in practice
+ , nAryLimLoc = SubSup }
+
+data LimLoc = SubSup | UnderOver deriving Show
+
+data DelimStyle = DelimStyle { delimBegChar :: Maybe Char
+ , delimSepChar :: Maybe Char
+ , delimEndChar :: Maybe Char}
+ deriving Show
+
+defaultDelimStyle :: DelimStyle
+defaultDelimStyle = DelimStyle { delimBegChar = Nothing
+ , delimSepChar = Nothing
+ , delimEndChar = Nothing }
+
+data GroupStyle = GroupStyle { groupChr :: Maybe Char
+ , groupPos :: Maybe TopBottom }
+ deriving Show
+
+defaultGroupStyle :: GroupStyle
+defaultGroupStyle = GroupStyle {groupChr = Nothing, groupPos = Nothing}
+
+elemToMath :: NameSpaces -> Element -> Maybe OMath
+elemToMath ns element | isElem ns "m" "oMath" element =
+ Just $ OMath $ mapMaybe (elemToMathElem ns) (elChildren element)
+elemToMath _ _ = Nothing
+
+elemToBase :: NameSpaces -> Element -> Maybe Base
+elemToBase ns element | isElem ns "m" "e" element =
+ Just $ Base $ mapMaybe (elemToMathElem ns) (elChildren element)
+elemToBase _ _ = Nothing
+
+-- TODO: The right way to do this is to use the ampersand to break the
+-- text lines into multiple columns. That's tricky, though, and this
+-- will get us most of the way for the time being.
+filterAmpersand :: OMathElem -> OMathElem
+filterAmpersand (OMathRun mrPr elems) =
+ let f (TextRun s) = TextRun $ filter ('&' /=) s
+ f re = re
+ in
+ OMathRun mrPr (map f elems)
+filterAmpersand e = e
+
+elemToBaseNoAmpersand :: NameSpaces -> Element -> Maybe Base
+elemToBaseNoAmpersand ns element | isElem ns "m" "e" element =
+ return $ Base $
+ mapMaybe
+ (\e -> (elemToMathElem ns e >>= (return . filterAmpersand)))
+ (elChildren element)
+elemToBaseNoAmpersand _ _ = Nothing
+
+elemToOMathRunStyle :: NameSpaces -> Element -> OMathRunStyle
+elemToOMathRunStyle ns element =
+ let lit =
+ case
+ findChild (elemName ns "m" "lit") element >>=
+ findAttr (elemName ns "m" "val")
+ of
+ Just "on" -> True
+ _ -> False
+ in
+ OMathRunStyle { oMathLit = lit
+ , oMathRunTextStyle = (elemToOMathRunTextStyle ns element)
+ }
+
+elemToOMathRunTextStyle :: NameSpaces -> Element -> OMathRunTextStyle
+elemToOMathRunTextStyle ns element
+ | Just mrPr <- findChild (elemName ns "m" "rPr") element
+ , Just _ <- findChild (elemName ns "m" "nor") mrPr =
+ Normal
+ | Just mrPr <- findChild (elemName ns "m" "rPr") element =
+ let scr =
+ case
+ findChild (elemName ns "m" "scr") mrPr >>=
+ findAttr (elemName ns "m" "val")
+ of
+ Just "roman" -> Just ORoman
+ Just "script" -> Just OScript
+ Just "fraktur" -> Just OFraktur
+ Just "double-struck" -> Just ODoubleStruck
+ Just "sans-serif" -> Just OSansSerif
+ Just "monospace" -> Just OMonospace
+ _ -> Nothing
+
+ sty =
+ case
+ findChild (elemName ns "m" "sty") mrPr >>=
+ findAttr (elemName ns "m" "val")
+ of
+ Just "p" -> Just OPlain
+ Just "b" -> Just OBold
+ Just "i" -> Just OItalic
+ Just "bi" -> Just OBoldItalic
+ _ -> Nothing
+ in
+ Styled { oMathScript = scr, oMathStyle = sty }
+ | otherwise = NoStyle
+
+
+
+elemToNAryStyle :: NameSpaces -> Element -> NAryStyle
+elemToNAryStyle ns element
+ | Just narypr <- findChild (QName "naryPr" (lookup "m" ns) (Just "m")) element =
+ let
+ chr = findChild (QName "chr" (lookup "m" ns) (Just "m")) narypr >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
+ Just . head
+ limLoc = findChild (QName "limLoc" (lookup "m" ns) (Just "m")) narypr >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m"))
+ limLoc' = case limLoc of
+ Just "undOver" -> UnderOver
+ Just "subSup" -> SubSup
+ _ -> SubSup
+ in
+ NAryStyle { nAryChar = chr, nAryLimLoc = limLoc'}
+elemToNAryStyle _ _ = defaultNAryStyle
+
+elemToDelimStyle :: NameSpaces -> Element -> DelimStyle
+elemToDelimStyle ns element
+ | Just dPr <- findChild (QName "dPr" (lookup "m" ns) (Just "m")) element =
+ let begChr = findChild (QName "begChr" (lookup "m" ns) (Just "m")) dPr >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
+ (\c -> if null c then (Just ' ') else (Just $ head c))
+ sepChr = findChild (QName "sepChr" (lookup "m" ns) (Just "m")) dPr >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
+ (\c -> if null c then (Just ' ') else (Just $ head c))
+ endChr = findChild (QName "endChr" (lookup "m" ns) (Just "m")) dPr >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
+ (\c -> if null c then (Just ' ') else (Just $ head c))
+ in
+ DelimStyle { delimBegChar = begChr
+ , delimSepChar = sepChr
+ , delimEndChar = endChr}
+elemToDelimStyle _ _ = defaultDelimStyle
+
+elemToGroupStyle :: NameSpaces -> Element -> GroupStyle
+elemToGroupStyle ns element
+ | Just gPr <- findChild (QName "groupChrPr" (lookup "m" ns) (Just "m")) element =
+ let chr = findChild (QName "chr" (lookup "m" ns) (Just "m")) gPr >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
+ Just . head
+ pos = findChild (QName "pos" (lookup "m" ns) (Just "m")) gPr >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
+ (\s -> Just $ if s == "top" then Top else Bottom)
+ in
+ GroupStyle { groupChr = chr, groupPos = pos }
+elemToGroupStyle _ _ = defaultGroupStyle
+
+elemToMathElem :: NameSpaces -> Element -> Maybe OMathElem
+elemToMathElem ns element | isElem ns "m" "acc" element = do
+ let accChar =
+ findChild (elemName ns "m" "accPr") element >>=
+ findChild (elemName ns "m" "chr") >>=
+ findAttr (elemName ns "m" "val") >>=
+ Just . head
+ accPr = AccentStyle { accentChar = accChar}
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ return $ Accent accPr base
+elemToMathElem ns element | isElem ns "m" "bar" element = do
+ barPr <- findChild (QName "barPr" (lookup "m" ns) (Just "m")) element >>=
+ findChild (QName "pos" (lookup "m" ns) (Just "m")) >>=
+ findAttr (QName "val" (lookup "m" ns) (Just "m")) >>=
+ (\s ->
+ Just $ BarStyle {
+ barPos = (if s == "bot" then Bottom else Top)
+ })
+ base <- findChild (QName "e" (lookup "m" ns) (Just "m")) element >>=
+ elemToBase ns
+ return $ Bar barPr base
+elemToMathElem ns element | isElem ns "m" "box" element =
+ findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (\b -> return $ Box b)
+elemToMathElem ns element | isElem ns "m" "borderBox" element =
+ findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (\b -> return $ BorderBox b)
+elemToMathElem ns element | isElem ns "m" "d" element =
+ let style = elemToDelimStyle ns element
+ in
+ return $ Delimiter style $ mapMaybe (elemToBase ns) (elChildren element)
+elemToMathElem ns element | isElem ns "m" "eqArr" element =
+ return $ EquationArray $ mapMaybe (elemToBaseNoAmpersand ns) (elChildren element)
+elemToMathElem ns element | isElem ns "m" "f" element = do
+ num <- findChild (elemName ns "m" "num") element
+ den <- findChild (elemName ns "m" "den") element
+ let numElems = mapMaybe (elemToMathElem ns) (elChildren num)
+ denElems = mapMaybe (elemToMathElem ns) (elChildren den)
+ return $ Fraction numElems denElems
+elemToMathElem ns element | isElem ns "m" "func" element = do
+ fName <- findChild (elemName ns "m" "fName") element
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ let fnElems = mapMaybe (elemToMathElem ns) (elChildren fName)
+ return $ Function fnElems base
+elemToMathElem ns element | isElem ns "m" "groupChr" element =
+ let style = elemToGroupStyle ns element
+ in
+ findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (\b -> return $ Group style b)
+elemToMathElem ns element | isElem ns "m" "limLow" element = do
+ base <- findChild (elemName ns "m" "e") element
+ >>= elemToBase ns
+ lim <- findChild (elemName ns "m" "lim") element
+ let limElems = mapMaybe (elemToMathElem ns) (elChildren lim)
+ return $ LowerLimit base limElems
+elemToMathElem ns element | isElem ns "m" "limUpp" element = do
+ base <- findChild (elemName ns "m" "e") element
+ >>= elemToBase ns
+ lim <- findChild (elemName ns "m" "lim") element
+ let limElems = mapMaybe (elemToMathElem ns) (elChildren lim)
+ return $ UpperLimit base limElems
+elemToMathElem ns element | isElem ns "m" "m" element = do
+ let rows = findChildren (elemName ns "m" "mr") element
+ let bases = mapMaybe (\mr -> mapM (elemToBase ns) (elChildren mr)) rows
+ return $ Matrix bases
+elemToMathElem ns element | isElem ns "m" "nary" element = do
+ let style = elemToNAryStyle ns element
+ sub <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ sup <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ return $ NAry style sub sup base
+elemToMathElem ns element | isElem ns "m" "rad" element = do
+ deg <- findChild (elemName ns "m" "deg") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ return $ Radical deg base
+elemToMathElem ns element | isElem ns "m" "phant" element = do
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ return $ Phantom base
+elemToMathElem ns element | isElem ns "m" "sPre" element = do
+ sub <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ sup <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ return $ PreSubSuper sub sup base
+elemToMathElem ns element | isElem ns "m" "sSub" element = do
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ sub <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ return $ Sub base sub
+elemToMathElem ns element | isElem ns "m" "sSubSup" element = do
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ sub <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ sup <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ return $ SubSuper base sub sup
+elemToMathElem ns element | isElem ns "m" "sSup" element = do
+ base <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns
+ sup <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ mapMaybe (elemToMathElem ns) (elChildren e))
+ return $ Super base sup
+elemToMathElem ns element | isElem ns "m" "r" element = do
+ let mrPr = elemToOMathRunStyle ns element
+ mrElems <- elemToOMathRunElems ns element
+ return $ OMathRun mrPr mrElems
+elemToMathElem _ _ = Nothing
+
+elemToOMathRunElem :: NameSpaces -> Element -> Maybe OMathRunElem
+elemToOMathRunElem ns element
+ | isElem ns "w" "t" element
+ || isElem ns "m" "t" element
+ || isElem ns "w" "delText" element = Just $ TextRun $ strContent element
+ | isElem ns "w" "br" element = Just LnBrk
+ | isElem ns "w" "tab" element = Just Tab
+ | otherwise = Nothing
+
+elemToOMathRunElems :: NameSpaces -> Element -> Maybe [OMathRunElem]
+elemToOMathRunElems ns element
+ | isElem ns "w" "r" element
+ || isElem ns "m" "r" element =
+ Just $ mapMaybe (elemToOMathRunElem ns) (elChildren element)
+elemToOMathRunElems _ _ = Nothing
+
+----- And now the TeXMath Creation
+
+oMathRunElemToString :: OMathRunElem -> String
+oMathRunElemToString (TextRun s) = s
+oMathRunElemToString (LnBrk) = ['\n']
+oMathRunElemToString (Tab) = ['\t']
+
+oMathRunElemsToString :: [OMathRunElem] -> String
+oMathRunElemsToString = concatMap oMathRunElemToString
+
+oMathElemToString :: OMathElem -> String
+oMathElemToString (OMathRun _ oMathRunElems) =
+ oMathRunElemsToString oMathRunElems
+oMathElemToString _ = ""
+
+
+oMathToExps :: OMath -> [TM.Exp]
+oMathToExps (OMath oMathElems) = concatMap oMathElemToExps oMathElems
+
+oMathElemToExps :: OMathElem -> [TM.Exp]
+oMathElemToExps (Accent style base) =
+ let baseExp = baseToExp base
+ chr = case accentChar style of
+ Just c -> c
+ Nothing -> '\180' -- default to acute.
+ in
+ [TM.EOver False baseExp (TM.ESymbol TM.Accent [chr])]
+oMathElemToExps(Bar style base) =
+ let baseExp = baseToExp base
+ in
+ case barPos style of
+ Top -> [TM.EOver False baseExp (TM.ESymbol TM.Accent "\175")]
+ Bottom -> [TM.EUnder False baseExp (TM.ESymbol TM.Accent "\818")]
+oMathElemToExps (Box base) = [baseToExp base]
+oMathElemToExps (BorderBox base) =
+ -- TODO: This should be "\\boxed" somehow
+ [baseToExp base]
+oMathElemToExps (Delimiter dPr bases) =
+ let baseExps = map baseToExp bases
+ inDelimExps = map Right baseExps
+ beg = fromMaybe '(' (delimBegChar dPr)
+ end = fromMaybe ')' (delimEndChar dPr)
+ sep = fromMaybe '|' (delimSepChar dPr)
+ exps = intersperse (Left [sep]) inDelimExps
+ in
+ [TM.EDelimited [beg] [end] exps]
+oMathElemToExps (EquationArray bases) =
+ let baseExps = map (\b -> [baseToExp' b]) bases
+ in
+ [TM.EArray [] baseExps]
+oMathElemToExps (Fraction num denom) =
+ let numExp = TM.EGrouped $ concatMap oMathElemToExps num
+ denExp = TM.EGrouped $ concatMap oMathElemToExps denom
+ in
+ [TM.EFraction TM.NormalFrac numExp denExp]
+oMathElemToExps (Function fname base) =
+ -- We need a string for the fname, but omml gives it to us as a
+ -- series of oMath elems. We're going to filter out the oMathRuns,
+ -- which should work for us most of the time.
+ let fnameString = concatMap oMathElemToString fname
+ baseExp = baseToExp base
+ in
+ [TM.EMathOperator fnameString, baseExp]
+oMathElemToExps (Group style base)
+ | Just Top <- groupPos style =
+ let baseExp = baseToExp base
+ chr = case groupChr style of
+ Just c -> c
+ Nothing -> '\65079' -- default to overbrace
+ in
+ [TM.EOver False baseExp (TM.ESymbol TM.Accent [chr])]
+ | otherwise =
+ let baseExp = baseToExp base
+ chr = case groupChr style of
+ Just c -> c
+ Nothing -> '\65080' -- default to underbrace
+ in
+ [TM.EUnder False baseExp (TM.ESymbol TM.Accent [chr])]
+oMathElemToExps (LowerLimit base limElems) = do
+ let baseExp = baseToExp base
+ lim = TM.EGrouped $ concatMap oMathElemToExps limElems
+ in
+ [TM.EUnder True lim baseExp]
+oMathElemToExps (UpperLimit base limElems) =
+ let baseExp = baseToExp base
+ lim = TM.EGrouped $ concatMap oMathElemToExps limElems
+ in
+ [TM.EOver True lim baseExp]
+oMathElemToExps (Matrix bases) =
+ let rows = map (map baseToExp') bases
+ in
+ [TM.EArray [TM.AlignCenter] rows]
+oMathElemToExps (NAry style sub sup base) =
+ let
+ subExps = concatMap oMathElemToExps sub
+ supExps = concatMap oMathElemToExps sup
+ baseExp = baseToExp base
+ opChar = case nAryChar style of
+ Just c -> c
+ -- default to integral
+ Nothing -> '\8747'
+ in [ TM.ESubsup
+ (TM.ESymbol TM.Op [opChar])
+ (TM.EGrouped subExps)
+ (TM.EGrouped supExps)
+ , baseExp]
+oMathElemToExps (Phantom base) =
+ [TM.EPhantom $ baseToExp base]
+oMathElemToExps (Radical degree base) =
+ let degExps = concatMap oMathElemToExps degree
+ baseExp = baseToExp base
+ in
+ case degExps of
+ [] -> [TM.ESqrt baseExp]
+ ds -> [TM.ERoot (TM.EGrouped ds) baseExp]
+oMathElemToExps (PreSubSuper sub sup base) =
+ let subExps = concatMap oMathElemToExps sub
+ supExps = concatMap oMathElemToExps sup
+ baseExp = baseToExp base
+ in [ TM.ESubsup
+ (TM.EIdentifier "") (TM.EGrouped subExps) (TM.EGrouped supExps)
+ , baseExp]
+oMathElemToExps (Sub base sub) =
+ let baseExp = baseToExp base
+ subExps = concatMap oMathElemToExps sub
+ in
+ [TM.ESub baseExp (TM.EGrouped subExps)]
+oMathElemToExps (SubSuper base sub sup) =
+ let baseExp = baseToExp base
+ subExps = concatMap oMathElemToExps sub
+ supExps = concatMap oMathElemToExps sup
+ in
+ [TM.ESubsup baseExp (TM.EGrouped subExps) (TM.EGrouped supExps)]
+oMathElemToExps (Super base sup) =
+ let baseExp = baseToExp base
+ supExps = concatMap oMathElemToExps sup
+ in
+ [TM.ESuper baseExp (TM.EGrouped supExps)]
+oMathElemToExps (OMathRun sty elems)
+ | NoStyle <- oMathRunTextStyle sty =
+ [TM.EIdentifier $ oMathRunElemsToString elems]
+ | Nothing <- oMathRunStyleToTextType sty =
+ [TM.EIdentifier $ oMathRunElemsToString elems]
+ | Just textType <- oMathRunStyleToTextType sty =
+ if oMathLit sty
+ then [TM.EText textType (oMathRunElemsToString elems)]
+ else [TM.EStyled textType [TM.EIdentifier $ oMathRunElemsToString elems]]
+oMathElemToExps (OMathRun _ _) = []
+
+oMathRunStyleToTextType :: OMathRunStyle -> Maybe TM.TextType
+oMathRunStyleToTextType mrPr
+ | Normal <- oMathRunTextStyle mrPr =
+ Just $ TM.TextNormal
+ | Styled scr sty <- oMathRunTextStyle mrPr
+ ,Just OBold <- sty
+ , Just OSansSerif <- scr =
+ Just $ TM.TextSansSerifBold
+ | Styled scr sty <- oMathRunTextStyle mrPr
+ , Just OBoldItalic <- sty
+ , Just OSansSerif <- scr =
+ Just $ TM.TextSansSerifBoldItalic
+ | Styled scr sty <- oMathRunTextStyle mrPr
+ , Just OBold <- sty
+ , Just OScript <- scr =
+ Just $ TM.TextBoldScript
+ | Styled scr sty <- oMathRunTextStyle mrPr
+ , Just OBold <- sty
+ , Just OFraktur <- scr =
+ Just $ TM.TextBoldFraktur
+ | Styled scr sty <- oMathRunTextStyle mrPr
+ , Just OItalic <- sty
+ , Just OSansSerif <- scr =
+ Just $ TM.TextSansSerifItalic
+ | Styled _ sty <- oMathRunTextStyle mrPr
+ , Just OBold <- sty =
+ Just $ TM.TextBold
+ | Styled _ sty <- oMathRunTextStyle mrPr
+ , Just OItalic <- sty =
+ Just $ TM.TextItalic
+ | Styled scr _ <- oMathRunTextStyle mrPr
+ , Just OMonospace <- scr =
+ Just $ TM.TextMonospace
+ | Styled scr _ <- oMathRunTextStyle mrPr
+ , Just OSansSerif <- scr =
+ Just $ TM.TextSansSerif
+ | Styled scr _ <- oMathRunTextStyle mrPr
+ , Just ODoubleStruck <- scr =
+ Just $ TM.TextDoubleStruck
+ | Styled scr _ <- oMathRunTextStyle mrPr
+ , Just OScript <- scr =
+ Just $ TM.TextDoubleStruck
+ | Styled scr _ <- oMathRunTextStyle mrPr
+ , Just OFraktur <- scr =
+ Just $ TM.TextFraktur
+ | Styled _ sty <- oMathRunTextStyle mrPr
+ , Just OBoldItalic <- sty =
+ Just $ TM.TextBoldItalic
+ | otherwise = Nothing
+
+
+
+baseToExp :: Base -> TM.Exp
+baseToExp b = TM.EGrouped $ baseToExp' b
+
+-- an ungrouped version of baseToExp
+baseToExp' :: Base -> [TM.Exp]
+baseToExp' (Base mathElems) =
+ concatMap oMathElemToExps mathElems
+
+elemToExps :: NameSpaces -> Element -> Maybe [TM.Exp]
+elemToExps ns element = oMathToExps <$> (elemToMath ns element)
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 03:30:20 +0000