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-rw-r--r--src/Text/Pandoc/Readers/Docx/OMath.hs276
1 files changed, 276 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Readers/Docx/OMath.hs b/src/Text/Pandoc/Readers/Docx/OMath.hs
index 8dd39c613..c057ba754 100644
--- a/src/Text/Pandoc/Readers/Docx/OMath.hs
+++ b/src/Text/Pandoc/Readers/Docx/OMath.hs
@@ -557,6 +557,44 @@ oMathElemToExps (OMathRun sty elems)
else [TM.EStyled textType [TM.EIdentifier $ oMathRunElemsToString elems]]
oMathElemToExps (OMathRun _ _) = []
+oMathRunTextStyleToTextType :: OMathRunTextStyle -> Maybe TM.TextType
+oMathRunTextStyleToTextType (Normal) = Just $ TM.TextNormal
+oMathRunTextStyleToTextType (NoStyle) = Nothing
+oMathRunTextStyleToTextType (Styled scr sty)
+ | Just OBold <- sty
+ , Just OSansSerif <- scr =
+ Just $ TM.TextSansSerifBold
+ | Just OBoldItalic <- sty
+ , Just OSansSerif <- scr =
+ Just $ TM.TextSansSerifBoldItalic
+ | Just OBold <- sty
+ , Just OScript <- scr =
+ Just $ TM.TextBoldScript
+ | Just OBold <- sty
+ , Just OFraktur <- scr =
+ Just $ TM.TextBoldFraktur
+ | Just OItalic <- sty
+ , Just OSansSerif <- scr =
+ Just $ TM.TextSansSerifItalic
+ | Just OBold <- sty =
+ Just $ TM.TextBold
+ | Just OItalic <- sty =
+ Just $ TM.TextItalic
+ | Just OMonospace <- scr =
+ Just $ TM.TextMonospace
+ | Just OSansSerif <- scr =
+ Just $ TM.TextSansSerif
+ | Just ODoubleStruck <- scr =
+ Just $ TM.TextDoubleStruck
+ | Just OScript <- scr =
+ Just $ TM.TextDoubleStruck
+ | Just OFraktur <- scr =
+ Just $ TM.TextFraktur
+ | Just OBoldItalic <- sty =
+ Just $ TM.TextBoldItalic
+ | otherwise = Nothing
+
+
oMathRunStyleToTextType :: OMathRunStyle -> Maybe TM.TextType
oMathRunStyleToTextType mrPr
| Normal <- oMathRunTextStyle mrPr =
@@ -620,3 +658,241 @@ baseToExp' (Base mathElems) =
elemToExps :: NameSpaces -> Element -> Maybe [TM.Exp]
elemToExps ns element = oMathToExps <$> (elemToMath ns element)
+
+elemToExps' :: NameSpaces -> Element -> Maybe [TM.Exp]
+elemToExps' ns element | isElem ns "m" "acc" element = do
+ let chr = findChild (elemName ns "m" "accPr") element >>=
+ findChild (elemName ns "m" "chr") >>=
+ findAttr (elemName ns "m" "val") >>=
+ Just . head
+ chr' = case chr of
+ Just c -> c
+ Nothing -> '\180' -- default to acute.
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ return $ [TM.EOver False baseExp (TM.ESymbol TM.Accent [chr'])]
+elemToExps' ns element | isElem ns "m" "bar" element = do
+ pos <- findChild (elemName ns "m" "barPr") element >>=
+ findChild (elemName ns "m" "pos") >>=
+ findAttr (elemName ns "m" "val")
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ case pos of
+ "top" -> Just [TM.EOver False baseExp (TM.ESymbol TM.Accent "\175")]
+ "bot" -> Just [TM.EUnder False baseExp (TM.ESymbol TM.Accent "\818")]
+ _ -> Nothing
+elemToExps' ns element | isElem ns "m" "box" element = do
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ return [baseExp]
+elemToExps' ns element | isElem ns "m" "borderBox" element = do
+ -- TODO: This needs to be "\\boxed" somehow.
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ return [baseExp]
+elemToExps' ns element | isElem ns "m" "d" element =
+ let baseExps = mapMaybe
+ (\e -> (elemToBase ns e >>= (return . baseToExp)))
+ (elChildren element)
+ inDelimExps = map Right baseExps
+ dPr = findChild (elemName ns "m" "dPr") element
+ begChr = dPr >>=
+ findChild (elemName ns "m" "begChr") >>=
+ findAttr (elemName ns "m" "val") >>=
+ (\c -> if null c then (Just ' ') else (Just $ head c))
+ sepChr = dPr >>=
+ findChild (elemName ns "m" "sepChr") >>=
+ findAttr (elemName ns "m" "val") >>=
+ (\c -> if null c then (Just ' ') else (Just $ head c))
+ endChr = dPr >>=
+ findChild (elemName ns "m" "endChr") >>=
+ findAttr (elemName ns "m" "val") >>=
+ (\c -> if null c then (Just ' ') else (Just $ head c))
+ beg = fromMaybe '(' begChr
+ end = fromMaybe ')' endChr
+ sep = fromMaybe '|' sepChr
+ exps = intersperse (Left [sep]) inDelimExps
+ in
+ Just [TM.EDelimited [beg] [end] exps]
+elemToExps' ns element | isElem ns "m" "eqArr" element =
+ let bases = mapMaybe (elemToBaseNoAmpersand ns) (elChildren element)
+ baseExps = map (\b -> [baseToExp' b]) bases
+ in
+ return [TM.EArray [] baseExps]
+elemToExps' ns element | isElem ns "m" "f" element = do
+ num <- findChild (elemName ns "m" "num") element
+ den <- findChild (elemName ns "m" "den") element
+ let numExp = TM.EGrouped $ concat $ mapMaybe (elemToExps' ns) (elChildren num)
+ denExp = TM.EGrouped $ concat $ mapMaybe (elemToExps' ns) (elChildren den)
+ return $ [TM.EFraction TM.NormalFrac numExp denExp]
+elemToExps' ns element | isElem ns "m" "func" element = do
+ fName <- findChild (elemName ns "m" "fName") element
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ -- 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 expToString $
+ concat $ mapMaybe (elemToExps' ns) (elChildren fName)
+ return [TM.EMathOperator fnameString, baseExp]
+elemToExps' ns element | isElem ns "m" "groupChr" element = do
+ let gPr = findChild (elemName ns "m" "groupChrPr") element
+ chr = gPr >>=
+ findChild (elemName ns "m" "chr") >>=
+ findAttr (elemName ns "m" "val")
+ pos = gPr >>=
+ findChild (elemName ns "m" "pos") >>=
+ findAttr (elemName ns "m" "val")
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ case pos of
+ Just "top" ->
+ let chr' = case chr of
+ Just (c:_) -> c
+ _ -> '\65079' -- default to overbrace
+ in
+ return [TM.EOver False baseExp (TM.ESymbol TM.Accent [chr'])]
+ Just "bot" ->
+ let chr' = case chr of
+ Just (c:_) -> c
+ _ -> '\65080' -- default to underbrace
+ in
+ return [TM.EUnder False baseExp (TM.ESymbol TM.Accent [chr'])]
+ _ -> Nothing
+elemToExps' ns element | isElem ns "m" "limLow" element = do
+ baseExp <- findChild (elemName ns "m" "e") element
+ >>= elemToBase ns
+ >>= (return . baseToExp)
+ limExp <- findChild (elemName ns "m" "lim") element
+ >>= (\e -> Just $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ >>= (return . TM.EGrouped)
+ return [TM.EUnder True limExp baseExp]
+elemToExps' ns element | isElem ns "m" "limUpp" element = do
+ baseExp <- findChild (elemName ns "m" "e") element
+ >>= elemToBase ns
+ >>= (return . baseToExp)
+ limExp <- findChild (elemName ns "m" "lim") element
+ >>= (\e -> Just $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ >>= (return . TM.EGrouped)
+ return [TM.EOver True limExp baseExp]
+elemToExps' ns element | isElem ns "m" "m" element =
+ let rows = findChildren (elemName ns "m" "mr") element
+ rowExps = map
+ (\mr -> mapMaybe
+ (\e -> (elemToBase ns e >>= return . baseToExp'))
+ (elChildren mr))
+ rows
+ in
+ return [TM.EArray [TM.AlignCenter] rowExps]
+elemToExps' ns element | isElem ns "m" "nary" element = do
+ let naryPr = findChild (elemName ns "m" "naryPr") element
+ naryChr = naryPr >>=
+ findChild (elemName ns "m" "chr") >>=
+ findAttr (elemName ns "m" "val")
+ opChr = case naryChr of
+ Just (c:_) -> c
+ _ -> '\8747' -- default to integral
+ limLoc = naryPr >>=
+ findChild (elemName ns "m" "limLoc") >>=
+ findAttr (elemName ns "m" "val")
+ subExps <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ supExps <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ case limLoc of
+ Just "undOvr" -> return [TM.EUnderover True
+ (TM.ESymbol TM.Op [opChr])
+ (TM.EGrouped subExps)
+ (TM.EGrouped supExps)
+ , baseExp]
+ _ -> return [TM.ESubsup
+ (TM.ESymbol TM.Op [opChr])
+ (TM.EGrouped subExps)
+ (TM.EGrouped supExps)
+ , baseExp]
+
+elemToExps' ns element | isElem ns "m" "phant" element = do
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ return [TM.EPhantom baseExp]
+elemToExps' ns element | isElem ns "m" "rad" element = do
+ degExps <- findChild (elemName ns "m" "deg") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ return $ case degExps of
+ [] -> [TM.ESqrt baseExp]
+ ds -> [TM.ERoot (TM.EGrouped ds) baseExp]
+elemToExps' ns element | isElem ns "m" "sPre" element = do
+ subExps <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ supExps <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ return [TM.ESubsup
+ (TM.EIdentifier "")
+ (TM.EGrouped subExps)
+ (TM.EGrouped supExps)
+ , baseExp]
+elemToExps' ns element | isElem ns "m" "sSub" element = do
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ subExps <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ return [TM.ESub baseExp (TM.EGrouped subExps)]
+elemToExps' ns element | isElem ns "m" "sSubSup" element = do
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ subExps <- findChild (elemName ns "m" "sub") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ supExps <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ return [TM.ESubsup baseExp (TM.EGrouped subExps) (TM.EGrouped supExps)]
+elemToExps' ns element | isElem ns "m" "sSup" element = do
+ baseExp <- findChild (elemName ns "m" "e") element >>=
+ elemToBase ns >>=
+ (return . baseToExp)
+ supExps <- findChild (elemName ns "m" "sup") element >>=
+ (\e -> return $ concat $ mapMaybe (elemToExps' ns) (elChildren e))
+ return [TM.ESuper baseExp (TM.EGrouped supExps)]
+elemToExps' ns element | isElem ns "m" "r" element = do
+ let mrPr = findChild (elemName ns "m" "rPr") element
+ lit = mrPr >>=
+ findChild (elemName ns "m" "lit") >>=
+ findAttr (elemName ns "m" "val")
+ txtSty = elemToOMathRunTextStyle ns element
+ mrElems <- elemToOMathRunElems ns element
+ return $ case oMathRunTextStyleToTextType txtSty of
+ Nothing -> [TM.EIdentifier $ oMathRunElemsToString mrElems]
+ Just textType ->
+ case lit of
+ Just "on" ->
+ [TM.EText textType (oMathRunElemsToString mrElems)]
+ _ ->
+ [TM.EStyled textType [TM.EIdentifier $ oMathRunElemsToString mrElems]]
+elemToExps' _ _ = Nothing
+
+expToString :: TM.Exp -> String
+expToString (TM.ENumber s) = s
+expToString (TM.EIdentifier s) = s
+expToString (TM.EMathOperator s) = s
+expToString (TM.ESymbol _ s) = s
+expToString (TM.EText _ s) = s
+expToString (TM.EGrouped exps) = concatMap expToString exps
+expToString (TM.EStyled _ exps) = concatMap expToString exps
+expToString _ = ""
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 07:26:46 +0000