{-# LANGUAGE PatternGuards #-} {- Copyright (C) 2014 Jesse Rosenthal 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 Copyright : Copyright (C) 2014 Jesse Rosenthal License : GNU GPL, version 2 or above Maintainer : Jesse Rosenthal Stability : alpha Portability : portable Conversion of Docx type (defined in Text.Pandoc.Readers.Docx.Parse) to 'Pandoc' document. -} {- Current state of implementation of Docx entities ([x] means implemented, [-] means partially implemented): * Blocks - [X] Para - [X] CodeBlock (styled with `SourceCode`) - [X] BlockQuote (styled with `Quote`, `BlockQuote`, or, optionally, indented) - [X] OrderedList - [X] BulletList - [X] DefinitionList (styled with adjacent `DefinitionTerm` and `Definition`) - [X] Header (styled with `Heading#`) - [ ] HorizontalRule - [-] Table (column widths and alignments not yet implemented) * Inlines - [X] Str - [X] Emph (From italics. `underline` currently read as span. In future, it might optionally be emph as well) - [X] Strong - [X] Strikeout - [X] Superscript - [X] Subscript - [X] SmallCaps - [ ] Quoted - [ ] Cite - [X] Code (styled with `VerbatimChar`) - [X] Space - [X] LineBreak (these are invisible in Word: entered with Shift-Return) - [ ] Math - [X] Link (links to an arbitrary bookmark create a span with the target as id and "anchor" class) - [-] Image (Links to path in archive. Future option for data-encoded URI likely.) - [X] Note (Footnotes and Endnotes are silently combined.) -} module Text.Pandoc.Readers.Docx ( readDocx ) where import Codec.Archive.Zip import Text.Pandoc.Definition import Text.Pandoc.Options import Text.Pandoc.Builder (text, toList) import Text.Pandoc.Walk import Text.Pandoc.Readers.Docx.Parse import Text.Pandoc.Readers.Docx.Lists import Text.Pandoc.Readers.Docx.Reducible import Text.Pandoc.Readers.Docx.TexChar import Text.Pandoc.Shared import Data.Maybe (mapMaybe, fromMaybe) import Data.List (delete, isPrefixOf, (\\), intercalate, intersect) import qualified Data.ByteString.Lazy as B import qualified Data.Map as M import Control.Monad.Reader import Control.Monad.State import Text.Printf (printf) readDocx :: ReaderOptions -> B.ByteString -> (Pandoc, MediaBag) readDocx opts bytes = case archiveToDocx (toArchive bytes) of Right docx -> (Pandoc meta blks, mediaBag) where (meta, blks, mediaBag) = (docxToOutput opts docx) Left _ -> error $ "couldn't parse docx file" data DState = DState { docxAnchorMap :: M.Map String String , docxMediaBag :: MediaBag , docxInHeaderBlock :: Bool , docxInTexSubscript :: Bool } defaultDState :: DState defaultDState = DState { docxAnchorMap = M.empty , docxMediaBag = M.empty , docxInHeaderBlock = False , docxInTexSubscript = False} data DEnv = DEnv { docxOptions :: ReaderOptions , docxDocument :: Docx} type DocxContext = ReaderT DEnv (State DState) withDState :: (DState -> DState) -> DocxContext a -> DocxContext a withDState f dctx = do ds <- get modify f ctx' <- dctx put ds return ctx' evalDocxContext :: DocxContext a -> DEnv -> DState -> a evalDocxContext ctx env st = evalState (runReaderT ctx env) st concatMapM :: (Monad m) => (a -> m [b]) -> [a] -> m [b] concatMapM f xs = liftM concat (mapM f xs) -- This is empty, but we put it in for future-proofing. spansToKeep :: [String] spansToKeep = [] divsToKeep :: [String] divsToKeep = ["list-item", "Definition", "DefinitionTerm"] metaStyles :: M.Map String String metaStyles = M.fromList [ ("Title", "title") , ("Subtitle", "subtitle") , ("Author", "author") , ("Date", "date") , ("Abstract", "abstract")] sepBodyParts :: [BodyPart] -> ([BodyPart], [BodyPart]) sepBodyParts = span (\bp -> (isMetaPar bp || isEmptyPar bp)) isMetaPar :: BodyPart -> Bool isMetaPar (Paragraph pPr _) = not $ null $ intersect (pStyle pPr) (M.keys metaStyles) isMetaPar _ = False isEmptyPar :: BodyPart -> Bool isEmptyPar (Paragraph _ parParts) = all isEmptyParPart parParts where isEmptyParPart (PlainRun (Run _ runElems)) = all isEmptyElem runElems isEmptyParPart _ = False isEmptyElem (TextRun s) = trim s == "" isEmptyElem _ = True isEmptyPar _ = False bodyPartsToMeta' :: [BodyPart] -> DocxContext (M.Map String MetaValue) bodyPartsToMeta' [] = return M.empty bodyPartsToMeta' (bp : bps) | (Paragraph pPr parParts) <- bp , (c : _)<- intersect (pStyle pPr) (M.keys metaStyles) , (Just metaField) <- M.lookup c metaStyles = do inlines <- parPartsToInlines parParts remaining <- bodyPartsToMeta' bps let f (MetaInlines ils) (MetaInlines ils') = MetaBlocks [Para ils, Para ils'] f (MetaInlines ils) (MetaBlocks blks) = MetaBlocks ((Para ils) : blks) f m (MetaList mv) = MetaList (m : mv) f m n = MetaList [m, n] return $ M.insertWith f metaField (MetaInlines inlines) remaining bodyPartsToMeta' (_ : bps) = bodyPartsToMeta' bps bodyPartsToMeta :: [BodyPart] -> DocxContext Meta bodyPartsToMeta bps = do mp <- bodyPartsToMeta' bps let mp' = case M.lookup "author" mp of Just mv -> M.insert "author" (fixAuthors mv) mp Nothing -> mp return $ Meta mp' fixAuthors :: MetaValue -> MetaValue fixAuthors (MetaBlocks blks) = MetaList $ map g $ filter f blks where f (Para _) = True f _ = False g (Para ils) = MetaInlines ils g _ = MetaInlines [] fixAuthors mv = mv runStyleToContainers :: RunStyle -> [Container Inline] runStyleToContainers rPr = let spanClassToContainers :: String -> [Container Inline] spanClassToContainers s | s `elem` codeSpans = [Container $ (\ils -> Code ("", [], []) (concatMap ilToCode ils))] spanClassToContainers s | s `elem` spansToKeep = [Container $ Span ("", [s], [])] spanClassToContainers _ = [] classContainers = case rStyle rPr of Nothing -> [] Just s -> spanClassToContainers s formatters = map Container $ mapMaybe id [ if isBold rPr then (Just Strong) else Nothing , if isItalic rPr then (Just Emph) else Nothing , if isSmallCaps rPr then (Just SmallCaps) else Nothing , if isStrike rPr then (Just Strikeout) else Nothing , if isSuperScript rPr then (Just Superscript) else Nothing , if isSubScript rPr then (Just Subscript) else Nothing , rUnderline rPr >>= (\f -> Just $ Span ("", [], [("underline", f)])) ] in classContainers ++ formatters parStyleToContainers :: ParagraphStyle -> [Container Block] parStyleToContainers pPr | (c:cs) <- pStyle pPr, Just n <- isHeaderClass c = [Container $ \_ -> Header n ("", delete ("Heading" ++ show n) cs, []) []] parStyleToContainers pPr | (c:cs) <- pStyle pPr, c `elem` divsToKeep = let pPr' = pPr { pStyle = cs } in (Container $ Div ("", [c], [])) : (parStyleToContainers pPr') parStyleToContainers pPr | (c:cs) <- pStyle pPr, c `elem` codeDivs = -- This is a bit of a cludge. We make the codeblock from the raw -- parparts in bodyPartToBlocks. But we need something to match against. let pPr' = pPr { pStyle = cs } in (Container $ \_ -> CodeBlock ("", [], []) "") : (parStyleToContainers pPr') parStyleToContainers pPr | (c:cs) <- pStyle pPr, c `elem` listParagraphDivs = let pPr' = pPr { pStyle = cs, indentation = Nothing} in (Container $ Div ("", [c], [])) : (parStyleToContainers pPr') parStyleToContainers pPr | (c:cs) <- pStyle pPr, c `elem` blockQuoteDivs = let pPr' = pPr { pStyle = cs \\ blockQuoteDivs } in (Container BlockQuote) : (parStyleToContainers pPr') parStyleToContainers pPr | (_:cs) <- pStyle pPr = let pPr' = pPr { pStyle = cs} in parStyleToContainers pPr' parStyleToContainers pPr | null (pStyle pPr), Just left <- indentation pPr >>= leftParIndent, Just hang <- indentation pPr >>= hangingParIndent = let pPr' = pPr { indentation = Nothing } in case (left - hang) > 0 of True -> (Container BlockQuote) : (parStyleToContainers pPr') False -> parStyleToContainers pPr' parStyleToContainers pPr | null (pStyle pPr), Just left <- indentation pPr >>= leftParIndent = let pPr' = pPr { indentation = Nothing } in case left > 0 of True -> (Container BlockQuote) : (parStyleToContainers pPr') False -> parStyleToContainers pPr' parStyleToContainers _ = [] strToInlines :: String -> [Inline] strToInlines = toList . text codeSpans :: [String] codeSpans = ["VerbatimChar"] blockQuoteDivs :: [String] blockQuoteDivs = ["Quote", "BlockQuote"] codeDivs :: [String] codeDivs = ["SourceCode"] runElemToInlines :: RunElem -> [Inline] runElemToInlines (TextRun s) = strToInlines s runElemToInlines (LnBrk) = [LineBreak] runElemToInlines (Tab) = [Space] runElemToString :: RunElem -> String runElemToString (TextRun s) = s runElemToString (LnBrk) = ['\n'] runElemToString (Tab) = ['\t'] runElemsToString :: [RunElem] -> String runElemsToString = concatMap runElemToString runToString :: Run -> String runToString (Run _ runElems) = runElemsToString runElems runToString _ = "" parPartToString :: ParPart -> String parPartToString (PlainRun run) = runToString run parPartToString (InternalHyperLink _ runs) = concatMap runToString runs parPartToString (ExternalHyperLink _ runs) = concatMap runToString runs parPartToString _ = "" inlineCodeContainer :: Container Inline -> Bool inlineCodeContainer (Container f) = case f [] of Code _ "" -> True _ -> False inlineCodeContainer _ = False runToInlines :: Run -> DocxContext [Inline] runToInlines (Run rs runElems) | any inlineCodeContainer (runStyleToContainers rs) = return $ rebuild (runStyleToContainers rs) $ [Str $ runElemsToString runElems] | otherwise = return $ rebuild (runStyleToContainers rs) (concatMap runElemToInlines runElems) runToInlines (Footnote bps) = concatMapM bodyPartToBlocks bps >>= (\blks -> return [Note blks]) runToInlines (Endnote bps) = concatMapM bodyPartToBlocks bps >>= (\blks -> return [Note blks]) parPartToInlines :: ParPart -> DocxContext [Inline] parPartToInlines (PlainRun r) = runToInlines r parPartToInlines (Insertion _ author date runs) = do opts <- asks docxOptions case readerTrackChanges opts of AcceptChanges -> concatMapM runToInlines runs >>= return RejectChanges -> return [] AllChanges -> do ils <- (concatMapM runToInlines runs) return [Span ("", ["insertion"], [("author", author), ("date", date)]) ils] parPartToInlines (Deletion _ author date runs) = do opts <- asks docxOptions case readerTrackChanges opts of AcceptChanges -> return [] RejectChanges -> concatMapM runToInlines runs >>= return AllChanges -> do ils <- concatMapM runToInlines runs return [Span ("", ["deletion"], [("author", author), ("date", date)]) ils] parPartToInlines (BookMark _ anchor) | anchor `elem` dummyAnchors = return [] parPartToInlines (BookMark _ anchor) = -- We record these, so we can make sure not to overwrite -- user-defined anchor links with header auto ids. do -- get whether we're in a header. inHdrBool <- gets docxInHeaderBlock -- Get the anchor map. anchorMap <- gets docxAnchorMap -- We don't want to rewrite if we're in a header, since we'll take -- care of that later, when we make the header anchor. If the -- bookmark were already in uniqueIdent form, this would lead to a -- duplication. Otherwise, we check to see if the id is already in -- there. Rewrite if necessary. This will have the possible effect -- of rewriting user-defined anchor links. However, since these -- are not defined in pandoc, it seems like a necessary evil to -- avoid an extra pass. let newAnchor = if not inHdrBool && anchor `elem` (M.elems anchorMap) then uniqueIdent [Str anchor] (M.elems anchorMap) else anchor modify $ \s -> s { docxAnchorMap = M.insert anchor newAnchor anchorMap} return [Span (newAnchor, ["anchor"], []) []] parPartToInlines (Drawing fp bs) = do mediaBag <- gets docxMediaBag modify $ \s -> s { docxMediaBag = M.insert fp bs mediaBag} return [Image [] (fp, "")] parPartToInlines (InternalHyperLink anchor runs) = do ils <- concatMapM runToInlines runs return [Link ils ('#' : anchor, "")] parPartToInlines (ExternalHyperLink target runs) = do ils <- concatMapM runToInlines runs return [Link ils (target, "")] parPartToInlines (PlainOMath omath) = do s <- oMathToTexString omath return [Math InlineMath s] oMathToTexString :: OMath -> DocxContext String oMathToTexString (OMath omathElems) = do ss <- mapM oMathElemToTexString omathElems return $ intercalate " " ss oMathElemToTexString :: OMathElem -> DocxContext String oMathElemToTexString (Accent style base) | Just c <- accentChar style = do baseString <- baseToTexString base return $ case lookupTexChar c of s@('\\' : _) -> printf "%s{%s}" s baseString _ -> printf "\\acute{%s}" baseString -- we default. oMathElemToTexString (Accent _ base) = baseToTexString base >>= (\s -> return $ printf "\\acute{%s}" s) oMathElemToTexString (Bar style base) = do baseString <- baseToTexString base return $ case barPos style of Top -> printf "\\overline{%s}" baseString Bottom -> printf "\\underline{%s}" baseString oMathElemToTexString (Box base) = baseToTexString base oMathElemToTexString (BorderBox base) = baseToTexString base >>= (\s -> return $ printf "\\boxed{%s}" s) oMathElemToTexString (Delimiter dPr bases) = do let beg = fromMaybe '(' (delimBegChar dPr) end = fromMaybe ')' (delimEndChar dPr) sep = fromMaybe '|' (delimSepChar dPr) left = "\\left" ++ lookupTexChar beg right = "\\right" ++ lookupTexChar end mid = "\\middle" ++ lookupTexChar sep baseStrings <- mapM baseToTexString bases return $ printf "%s %s %s" left (intercalate (" " ++ mid ++ " ") baseStrings) right oMathElemToTexString (EquationArray bases) = do baseStrings <- mapM baseToTexString bases inSub <- gets docxInTexSubscript return $ if inSub then printf "\\substack{%s}" (intercalate "\\\\ " baseStrings) else printf "\\begin{aligned}\n%s\n\\end{aligned}" (intercalate "\\\\\n" baseStrings) oMathElemToTexString (Fraction num denom) = do numString <- concatMapM oMathElemToTexString num denString <- concatMapM oMathElemToTexString denom return $ printf "\\frac{%s}{%s}" numString denString oMathElemToTexString (Function fname base) = do fnameString <- concatMapM oMathElemToTexString fname baseString <- baseToTexString base return $ printf "%s %s" fnameString baseString oMathElemToTexString (Group style base) | Just c <- groupChr style , grouper <- lookupTexChar c , notElem grouper ["\\overbrace", "\\underbrace"] = do baseString <- baseToTexString base return $ case groupPos style of Just Top -> printf "\\overset{%s}{%s}" grouper baseString _ -> printf "\\underset{%s}{%s}" grouper baseString oMathElemToTexString (Group style base) = do baseString <- baseToTexString base return $ case groupPos style of Just Top -> printf "\\overbrace{%s}" baseString _ -> printf "\\underbrace{%s}" baseString oMathElemToTexString (LowerLimit base limElems) = do baseString <- baseToTexString base lim <- concatMapM oMathElemToTexString limElems -- we want to make sure to replace the `\rightarrow` with `\to` let arrowToTo :: String -> String arrowToTo "" = "" arrowToTo s | "\\rightarrow" `isPrefixOf` s = "\\to" ++ (arrowToTo $ drop (length "\\rightarrow") s) arrowToTo (c:cs) = c : arrowToTo cs lim' = arrowToTo lim return $ case baseString of "lim" -> printf "\\lim_{%s}" lim' "max" -> printf "\\max_{%s}" lim' "min" -> printf "\\min_{%s}" lim' _ -> printf "\\operatorname*{%s}_{%s}" baseString lim' oMathElemToTexString (UpperLimit base limElems) = do baseString <- baseToTexString base lim <- concatMapM oMathElemToTexString limElems -- we want to make sure to replace the `\rightarrow` with `\to` let arrowToTo :: String -> String arrowToTo "" = "" arrowToTo s | "\\rightarrow" `isPrefixOf` s = "\\to" ++ (arrowToTo $ drop (length "\\rightarrow") s) arrowToTo (c:cs) = c : arrowToTo cs lim' = arrowToTo lim return $ case baseString of "lim" -> printf "\\lim^{%s}" lim' "max" -> printf "\\max^{%s}" lim' "min" -> printf "\\min^{%s}" lim' _ -> printf "\\operatorname*{%s}^{%s}" baseString lim' oMathElemToTexString (Matrix bases) = do let rowString :: [Base] -> DocxContext String rowString bs = liftM (intercalate " & ") (mapM baseToTexString bs) s <- liftM (intercalate " \\\\\n")(mapM rowString bases) return $ printf "\\begin{matrix}\n%s\n\\end{matrix}" s oMathElemToTexString (NAry style sub sup base) | Just c <- nAryChar style = do subString <- withDState (\s -> s{docxInTexSubscript = True}) $ concatMapM oMathElemToTexString sub supString <- concatMapM oMathElemToTexString sup baseString <- baseToTexString base return $ case M.lookup c uniconvMap of Just s@('\\':_) -> printf "%s_{%s}^{%s}{%s}" s subString supString baseString _ -> printf "\\operatorname*{%s}_{%s}^{%s}{%s}" [c] subString supString baseString oMathElemToTexString (NAry _ sub sup base) = do subString <- concatMapM oMathElemToTexString sub supString <- concatMapM oMathElemToTexString sup baseString <- baseToTexString base return $ printf "\\int_{%s}^{%s}{%s}" subString supString baseString oMathElemToTexString (Phantom base) = do baseString <- baseToTexString base return $ printf "\\phantom{%s}" baseString oMathElemToTexString (Radical degree base) = do degString <- concatMapM oMathElemToTexString degree baseString <- baseToTexString base return $ case trim degString of "" -> printf "\\sqrt{%s}" baseString _ -> printf "\\sqrt[%s]{%s}" degString baseString oMathElemToTexString (PreSubSuper sub sup base) = do subString <- concatMapM oMathElemToTexString sub supString <- concatMapM oMathElemToTexString sup baseString <- baseToTexString base return $ printf "_{%s}^{%s}%s" subString supString baseString oMathElemToTexString (Sub base sub) = do baseString <- baseToTexString base subString <- concatMapM oMathElemToTexString sub return $ printf "%s_{%s}" baseString subString oMathElemToTexString (SubSuper base sub sup) = do baseString <- baseToTexString base subString <- concatMapM oMathElemToTexString sub supString <- concatMapM oMathElemToTexString sup return $ printf "%s_{%s}^{%s}" baseString subString supString oMathElemToTexString (Super base sup) = do baseString <- baseToTexString base supString <- concatMapM oMathElemToTexString sup return $ printf "%s^{%s}" baseString supString oMathElemToTexString (OMathRun _ run) = return $ stringToTex $ runToString run baseToTexString :: Base -> DocxContext String baseToTexString (Base mathElems) = concatMapM oMathElemToTexString mathElems isAnchorSpan :: Inline -> Bool isAnchorSpan (Span (ident, classes, kvs) ils) = (not . null) ident && classes == ["anchor"] && null kvs && null ils isAnchorSpan _ = False dummyAnchors :: [String] dummyAnchors = ["_GoBack"] makeHeaderAnchor :: Block -> DocxContext Block -- If there is an anchor already there (an anchor span in the header, -- to be exact), we rename and associate the new id with the old one. makeHeaderAnchor (Header n (_, classes, kvs) ils) | (x : xs) <- filter isAnchorSpan ils , (Span (ident, _, _) _) <- x , notElem ident dummyAnchors = do hdrIDMap <- gets docxAnchorMap let newIdent = uniqueIdent ils (M.elems hdrIDMap) modify $ \s -> s {docxAnchorMap = M.insert ident newIdent hdrIDMap} return $ Header n (newIdent, classes, kvs) (ils \\ (x:xs)) -- Otherwise we just give it a name, and register that name (associate -- it with itself.) makeHeaderAnchor (Header n (_, classes, kvs) ils) = do hdrIDMap <- gets docxAnchorMap let newIdent = uniqueIdent ils (M.elems hdrIDMap) modify $ \s -> s {docxAnchorMap = M.insert newIdent newIdent hdrIDMap} return $ Header n (newIdent, classes, kvs) ils makeHeaderAnchor blk = return blk parPartsToInlines :: [ParPart] -> DocxContext [Inline] parPartsToInlines parparts = do ils <- concatMapM parPartToInlines parparts return $ reduceList $ ils cellToBlocks :: Cell -> DocxContext [Block] cellToBlocks (Cell bps) = concatMapM bodyPartToBlocks bps rowToBlocksList :: Row -> DocxContext [[Block]] rowToBlocksList (Row cells) = mapM cellToBlocks cells isBlockCodeContainer :: Container Block -> Bool isBlockCodeContainer (Container f) | CodeBlock _ _ <- f [] = True isBlockCodeContainer _ = False isHeaderContainer :: Container Block -> Bool isHeaderContainer (Container f) | Header _ _ _ <- f [] = True isHeaderContainer _ = False bodyPartToBlocks :: BodyPart -> DocxContext [Block] bodyPartToBlocks (Paragraph pPr parparts) | any isBlockCodeContainer (parStyleToContainers pPr) = let otherConts = filter (not . isBlockCodeContainer) (parStyleToContainers pPr) in return $ rebuild otherConts [CodeBlock ("", [], []) (concatMap parPartToString parparts)] bodyPartToBlocks (Paragraph pPr parparts) | any isHeaderContainer (parStyleToContainers pPr) = do ils <-withDState (\s -> s{docxInHeaderBlock = True}) $ parPartsToInlines parparts >>= (return . normalizeSpaces) let (Container hdrFun) = head $ filter isHeaderContainer (parStyleToContainers pPr) Header n attr _ = hdrFun [] hdr <- makeHeaderAnchor $ Header n attr ils return [hdr] bodyPartToBlocks (Paragraph pPr parparts) = do ils <- parPartsToInlines parparts >>= (return . normalizeSpaces) case ils of [] -> return [] _ -> do return $ rebuild (parStyleToContainers pPr) [Para ils] bodyPartToBlocks (ListItem pPr numId lvl levelInfo parparts) = do let kvs = case levelInfo of (_, fmt, txt, Just start) -> [ ("level", lvl) , ("num-id", numId) , ("format", fmt) , ("text", txt) , ("start", (show start)) ] (_, fmt, txt, Nothing) -> [ ("level", lvl) , ("num-id", numId) , ("format", fmt) , ("text", txt) ] blks <- bodyPartToBlocks (Paragraph pPr parparts) return $ [Div ("", ["list-item"], kvs) blks] bodyPartToBlocks (Tbl _ _ _ []) = return [Para []] bodyPartToBlocks (Tbl cap _ look (r:rs)) = do let caption = strToInlines cap (hdr, rows) = case firstRowFormatting look of True -> (Just r, rs) False -> (Nothing, r:rs) hdrCells <- case hdr of Just r' -> rowToBlocksList r' Nothing -> return [] cells <- mapM rowToBlocksList rows let size = case null hdrCells of True -> length $ head cells False -> length $ hdrCells -- -- The two following variables (horizontal column alignment and -- relative column widths) go to the default at the -- moment. Width information is in the TblGrid field of the Tbl, -- so should be possible. Alignment might be more difficult, -- since there doesn't seem to be a column entity in docx. alignments = replicate size AlignDefault widths = replicate size 0 :: [Double] return [Table caption alignments widths hdrCells cells] bodyPartToBlocks (OMathPara _ maths) = do omaths <- mapM oMathToTexString maths return [Para $ map (\s -> Math DisplayMath s) omaths] -- replace targets with generated anchors. rewriteLink :: Inline -> DocxContext Inline rewriteLink l@(Link ils ('#':target, title)) = do anchorMap <- gets docxAnchorMap return $ case M.lookup target anchorMap of Just newTarget -> (Link ils ('#':newTarget, title)) Nothing -> l rewriteLink il = return il bodyToOutput :: Body -> DocxContext (Meta, [Block], MediaBag) bodyToOutput (Body bps) = do let (metabps, blkbps) = sepBodyParts bps meta <- bodyPartsToMeta metabps blks <- concatMapM bodyPartToBlocks blkbps >>= walkM rewriteLink mediaBag <- gets docxMediaBag return $ (meta, blocksToDefinitions $ blocksToBullets $ blks, mediaBag) docxToOutput :: ReaderOptions -> Docx -> (Meta, [Block], MediaBag) docxToOutput opts d@(Docx (Document _ body)) = let dState = defaultDState dEnv = DEnv { docxOptions = opts , docxDocument = d} in evalDocxContext (bodyToOutput body) dEnv dState ilToCode :: Inline -> String ilToCode (Str s) = s ilToCode Space = " " ilToCode _ = "" isHeaderClass :: String -> Maybe Int isHeaderClass s | "Heading" `isPrefixOf` s = case reads (drop (length "Heading") s) :: [(Int, String)] of [] -> Nothing ((n, "") : []) -> Just n _ -> Nothing isHeaderClass _ = Nothing