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Docx.hs
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Docx.hs
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{-# LANGUAGE ScopedTypeVariables, PatternGuards, ViewPatterns #-}
{-
Copyright (C) 2012-2015 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.Writers.Docx
Copyright : Copyright (C) 2012-2015 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Conversion of 'Pandoc' documents to docx.
-}
module Text.Pandoc.Writers.Docx ( writeDocx ) where
import Data.List ( intercalate, isPrefixOf, isSuffixOf )
import qualified Data.ByteString as B
import qualified Data.ByteString.Lazy as BL
import qualified Data.ByteString.Lazy.Char8 as BL8
import qualified Data.Map as M
import qualified Data.Set as Set
import qualified Text.Pandoc.UTF8 as UTF8
import Codec.Archive.Zip
import Data.Time.Clock.POSIX
import Data.Time.Clock
import System.Environment
import qualified Text.Pandoc.Builder as B
import Text.Pandoc.Compat.Time
import Text.Pandoc.Definition
import Text.Pandoc.Generic
import Text.Pandoc.ImageSize
import Text.Pandoc.Shared hiding (Element)
import Text.Pandoc.Writers.Markdown (writePlain)
import Text.Pandoc.Writers.Shared (fixDisplayMath)
import Text.Pandoc.Options
import Text.Pandoc.Readers.TeXMath
import Text.Pandoc.Highlighting ( highlight )
import Text.Pandoc.Walk
import Text.Highlighting.Kate.Types ()
import Text.XML.Light as XML
import Text.TeXMath
import Text.Pandoc.Readers.Docx.StyleMap
import Text.Pandoc.Readers.Docx.Util (elemName)
import Control.Monad.State
import Text.Highlighting.Kate
import Data.Unique (hashUnique, newUnique)
import System.Random (randomRIO)
import Text.Printf (printf)
import qualified Control.Exception as E
import Text.Pandoc.Compat.Monoid ((<>))
import Text.Pandoc.MIME (MimeType, getMimeType, getMimeTypeDef,
extensionFromMimeType)
import Control.Applicative ((<|>))
import Data.Maybe (fromMaybe, mapMaybe, maybeToList)
import Data.Char (ord)
data ListMarker = NoMarker
| BulletMarker
| NumberMarker ListNumberStyle ListNumberDelim Int
deriving (Show, Read, Eq, Ord)
listMarkerToId :: ListMarker -> String
listMarkerToId NoMarker = "990"
listMarkerToId BulletMarker = "991"
listMarkerToId (NumberMarker sty delim n) =
'9' : '9' : styNum : delimNum : show n
where styNum = case sty of
DefaultStyle -> '2'
Example -> '3'
Decimal -> '4'
LowerRoman -> '5'
UpperRoman -> '6'
LowerAlpha -> '7'
UpperAlpha -> '8'
delimNum = case delim of
DefaultDelim -> '0'
Period -> '1'
OneParen -> '2'
TwoParens -> '3'
data WriterState = WriterState{
stTextProperties :: [Element]
, stParaProperties :: [Element]
, stFootnotes :: [Element]
, stSectionIds :: Set.Set String
, stExternalLinks :: M.Map String String
, stImages :: M.Map FilePath (String, String, Maybe MimeType, Element, B.ByteString)
, stListLevel :: Int
, stListNumId :: Int
, stLists :: [ListMarker]
, stInsId :: Int
, stDelId :: Int
, stInDel :: Bool
, stChangesAuthor :: String
, stChangesDate :: String
, stPrintWidth :: Integer
, stStyleMaps :: StyleMaps
, stFirstPara :: Bool
, stTocTitle :: [Inline]
}
defaultWriterState :: WriterState
defaultWriterState = WriterState{
stTextProperties = []
, stParaProperties = []
, stFootnotes = defaultFootnotes
, stSectionIds = Set.empty
, stExternalLinks = M.empty
, stImages = M.empty
, stListLevel = -1
, stListNumId = 1
, stLists = [NoMarker]
, stInsId = 1
, stDelId = 1
, stInDel = False
, stChangesAuthor = "unknown"
, stChangesDate = "1969-12-31T19:00:00Z"
, stPrintWidth = 1
, stStyleMaps = defaultStyleMaps
, stFirstPara = False
, stTocTitle = normalizeInlines [Str "Table of Contents"]
}
type WS a = StateT WriterState IO a
mknode :: Node t => String -> [(String,String)] -> t -> Element
mknode s attrs =
add_attrs (map (\(k,v) -> Attr (nodename k) v) attrs) . node (nodename s)
nodename :: String -> QName
nodename s = QName{ qName = name, qURI = Nothing, qPrefix = prefix }
where (name, prefix) = case break (==':') s of
(xs,[]) -> (xs, Nothing)
(ys, _:zs) -> (zs, Just ys)
toLazy :: B.ByteString -> BL.ByteString
toLazy = BL.fromChunks . (:[])
renderXml :: Element -> BL.ByteString
renderXml elt = BL8.pack "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" <>
UTF8.fromStringLazy (showElement elt)
renumIdMap :: Int -> [Element] -> M.Map String String
renumIdMap _ [] = M.empty
renumIdMap n (e:es)
| Just oldId <- findAttr (QName "Id" Nothing Nothing) e =
M.insert oldId ("rId" ++ (show n)) (renumIdMap (n+1) es)
| otherwise = renumIdMap n es
replaceAttr :: (QName -> Bool) -> String -> [XML.Attr] -> [XML.Attr]
replaceAttr _ _ [] = []
replaceAttr f val (a:as) | f (attrKey a) =
(XML.Attr (attrKey a) val) : (replaceAttr f val as)
| otherwise = a : (replaceAttr f val as)
renumId :: (QName -> Bool) -> (M.Map String String) -> Element -> Element
renumId f renumMap e
| Just oldId <- findAttrBy f e
, Just newId <- M.lookup oldId renumMap =
let attrs' = replaceAttr f newId (elAttribs e)
in
e { elAttribs = attrs' }
| otherwise = e
renumIds :: (QName -> Bool) -> (M.Map String String) -> [Element] -> [Element]
renumIds f renumMap = map (renumId f renumMap)
-- | Certain characters are invalid in XML even if escaped.
-- See #1992
stripInvalidChars :: String -> String
stripInvalidChars = filter isValidChar
-- | See XML reference
isValidChar :: Char -> Bool
isValidChar (ord -> c)
| c == 0x9 = True
| c == 0xA = True
| c == 0xD = True
| 0x20 <= c && c <= 0xD7FF = True
| 0xE000 <= c && c <= 0xFFFD = True
| 0x10000 <= c && c <= 0x10FFFF = True
| otherwise = False
metaValueToInlines :: MetaValue -> [Inline]
metaValueToInlines (MetaString s) = normalizeInlines [Str s]
metaValueToInlines (MetaInlines ils) = ils
metaValueToInlines (MetaBlocks bs) = query return bs
metaValueToInlines (MetaBool b) = [Str $ show b]
metaValueToInlines _ = []
-- | Produce an Docx file from a Pandoc document.
writeDocx :: WriterOptions -- ^ Writer options
-> Pandoc -- ^ Document to convert
-> IO BL.ByteString
writeDocx opts doc@(Pandoc meta _) = do
let datadir = writerUserDataDir opts
let doc' = walk fixDisplayMath $ doc
username <- lookup "USERNAME" <$> getEnvironment
utctime <- getCurrentTime
distArchive <- getDefaultReferenceDocx datadir
refArchive <- case writerReferenceDocx opts of
Just f -> liftM (toArchive . toLazy) $ B.readFile f
Nothing -> getDefaultReferenceDocx datadir
parsedDoc <- parseXml refArchive distArchive "word/document.xml"
let wname f qn = qPrefix qn == Just "w" && f (qName qn)
let mbsectpr = filterElementName (wname (=="sectPr")) parsedDoc
-- Gets the template size
let mbpgsz = mbsectpr >>= (filterElementName (wname (=="pgSz")))
let mbAttrSzWidth = (elAttribs <$> mbpgsz) >>= (lookupAttrBy ((=="w") . qName))
let mbpgmar = mbsectpr >>= (filterElementName (wname (=="pgMar")))
let mbAttrMarLeft = (elAttribs <$> mbpgmar) >>= (lookupAttrBy ((=="left") . qName))
let mbAttrMarRight = (elAttribs <$> mbpgmar) >>= (lookupAttrBy ((=="right") . qName))
-- Get the avaible area (converting the size and the margins to int and
-- doing the difference
let pgContentWidth = (-) <$> (read <$> mbAttrSzWidth ::Maybe Integer)
<*> (
(+) <$> (read <$> mbAttrMarRight ::Maybe Integer)
<*> (read <$> mbAttrMarLeft ::Maybe Integer)
)
-- styles
let stylepath = "word/styles.xml"
styledoc <- parseXml refArchive distArchive stylepath
-- parse styledoc for heading styles
let styleMaps = getStyleMaps styledoc
let tocTitle = fromMaybe (stTocTitle defaultWriterState) $
metaValueToInlines <$> lookupMeta "toc-title" meta
((contents, footnotes), st) <- runStateT (writeOpenXML opts{writerWrapText = WrapNone} doc')
defaultWriterState{ stChangesAuthor = fromMaybe "unknown" username
, stChangesDate = formatTime defaultTimeLocale "%FT%XZ" utctime
, stPrintWidth = (maybe 420 (\x -> quot x 20) pgContentWidth)
, stStyleMaps = styleMaps
, stTocTitle = tocTitle
}
let epochtime = floor $ utcTimeToPOSIXSeconds utctime
let imgs = M.elems $ stImages st
-- create entries for images in word/media/...
let toImageEntry (_,path,_,_,img) = toEntry ("word/" ++ path) epochtime $ toLazy img
let imageEntries = map toImageEntry imgs
let stdAttributes =
[("xmlns:w","http://schemas.openxmlformats.org/wordprocessingml/2006/main")
,("xmlns:m","http://schemas.openxmlformats.org/officeDocument/2006/math")
,("xmlns:r","http://schemas.openxmlformats.org/officeDocument/2006/relationships")
,("xmlns:o","urn:schemas-microsoft-com:office:office")
,("xmlns:v","urn:schemas-microsoft-com:vml")
,("xmlns:w10","urn:schemas-microsoft-com:office:word")
,("xmlns:a","http://schemas.openxmlformats.org/drawingml/2006/main")
,("xmlns:pic","http://schemas.openxmlformats.org/drawingml/2006/picture")
,("xmlns:wp","http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing")]
parsedRels <- parseXml refArchive distArchive "word/_rels/document.xml.rels"
let isHeaderNode e = findAttr (QName "Type" Nothing Nothing) e == Just "http://schemas.openxmlformats.org/officeDocument/2006/relationships/header"
let isFooterNode e = findAttr (QName "Type" Nothing Nothing) e == Just "http://schemas.openxmlformats.org/officeDocument/2006/relationships/footer"
let headers = filterElements isHeaderNode parsedRels
let footers = filterElements isFooterNode parsedRels
let extractTarget = findAttr (QName "Target" Nothing Nothing)
-- we create [Content_Types].xml and word/_rels/document.xml.rels
-- from scratch rather than reading from reference.docx,
-- because Word sometimes changes these files when a reference.docx is modified,
-- e.g. deleting the reference to footnotes.xml or removing default entries
-- for image content types.
-- [Content_Types].xml
let mkOverrideNode (part', contentType') = mknode "Override"
[("PartName",part'),("ContentType",contentType')] ()
let mkImageOverride (_, imgpath, mbMimeType, _, _) =
mkOverrideNode ("/word/" ++ imgpath,
fromMaybe "application/octet-stream" mbMimeType)
let mkMediaOverride imgpath =
mkOverrideNode ('/':imgpath, getMimeTypeDef imgpath)
let overrides = map mkOverrideNode (
[("/word/webSettings.xml",
"application/vnd.openxmlformats-officedocument.wordprocessingml.webSettings+xml")
,("/word/numbering.xml",
"application/vnd.openxmlformats-officedocument.wordprocessingml.numbering+xml")
,("/word/settings.xml",
"application/vnd.openxmlformats-officedocument.wordprocessingml.settings+xml")
,("/word/theme/theme1.xml",
"application/vnd.openxmlformats-officedocument.theme+xml")
,("/word/fontTable.xml",
"application/vnd.openxmlformats-officedocument.wordprocessingml.fontTable+xml")
,("/docProps/app.xml",
"application/vnd.openxmlformats-officedocument.extended-properties+xml")
,("/docProps/core.xml",
"application/vnd.openxmlformats-package.core-properties+xml")
,("/word/styles.xml",
"application/vnd.openxmlformats-officedocument.wordprocessingml.styles+xml")
,("/word/document.xml",
"application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml")
,("/word/footnotes.xml",
"application/vnd.openxmlformats-officedocument.wordprocessingml.footnotes+xml")
] ++
map (\x -> (maybe "" ("/word/" ++) $ extractTarget x,
"application/vnd.openxmlformats-officedocument.wordprocessingml.header+xml")) headers ++
map (\x -> (maybe "" ("/word/" ++) $ extractTarget x,
"application/vnd.openxmlformats-officedocument.wordprocessingml.footer+xml")) footers) ++
map mkImageOverride imgs ++
map mkMediaOverride [ eRelativePath e | e <- zEntries refArchive
, "word/media/" `isPrefixOf` eRelativePath e ]
let defaultnodes = [mknode "Default"
[("Extension","xml"),("ContentType","application/xml")] (),
mknode "Default"
[("Extension","rels"),("ContentType","application/vnd.openxmlformats-package.relationships+xml")] ()]
let contentTypesDoc = mknode "Types" [("xmlns","http://schemas.openxmlformats.org/package/2006/content-types")] $ defaultnodes ++ overrides
let contentTypesEntry = toEntry "[Content_Types].xml" epochtime
$ renderXml contentTypesDoc
-- word/_rels/document.xml.rels
let toBaseRel (url', id', target') = mknode "Relationship"
[("Type",url')
,("Id",id')
,("Target",target')] ()
let baserels' = map toBaseRel
[("http://schemas.openxmlformats.org/officeDocument/2006/relationships/numbering",
"rId1",
"numbering.xml")
,("http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles",
"rId2",
"styles.xml")
,("http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings",
"rId3",
"settings.xml")
,("http://schemas.openxmlformats.org/officeDocument/2006/relationships/webSettings",
"rId4",
"webSettings.xml")
,("http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable",
"rId5",
"fontTable.xml")
,("http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme",
"rId6",
"theme/theme1.xml")
,("http://schemas.openxmlformats.org/officeDocument/2006/relationships/footnotes",
"rId7",
"footnotes.xml")
]
let idMap = renumIdMap (length baserels' + 1) (headers ++ footers)
let renumHeaders = renumIds (\q -> qName q == "Id") idMap headers
let renumFooters = renumIds (\q -> qName q == "Id") idMap footers
let baserels = baserels' ++ renumHeaders ++ renumFooters
let toImgRel (ident,path,_,_,_) = mknode "Relationship" [("Type","http://schemas.openxmlformats.org/officeDocument/2006/relationships/image"),("Id",ident),("Target",path)] ()
let imgrels = map toImgRel imgs
let toLinkRel (src,ident) = mknode "Relationship" [("Type","http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink"),("Id",ident),("Target",src),("TargetMode","External") ] ()
let linkrels = map toLinkRel $ M.toList $ stExternalLinks st
let reldoc = mknode "Relationships" [("xmlns","http://schemas.openxmlformats.org/package/2006/relationships")] $ baserels ++ imgrels ++ linkrels
let relEntry = toEntry "word/_rels/document.xml.rels" epochtime
$ renderXml reldoc
-- adjust contents to add sectPr from reference.docx
let sectpr = case mbsectpr of
Just sectpr' -> let cs = renumIds
(\q -> qName q == "id" && qPrefix q == Just "r")
idMap
(elChildren sectpr')
in
add_attrs (elAttribs sectpr') $ mknode "w:sectPr" [] cs
Nothing -> (mknode "w:sectPr" [] ())
-- let sectpr = fromMaybe (mknode "w:sectPr" [] ()) mbsectpr'
let contents' = contents ++ [sectpr]
let docContents = mknode "w:document" stdAttributes
$ mknode "w:body" [] contents'
-- word/document.xml
let contentEntry = toEntry "word/document.xml" epochtime
$ renderXml docContents
-- footnotes
let notes = mknode "w:footnotes" stdAttributes footnotes
let footnotesEntry = toEntry "word/footnotes.xml" epochtime $ renderXml notes
-- footnote rels
let footnoteRelEntry = toEntry "word/_rels/footnotes.xml.rels" epochtime
$ renderXml $ mknode "Relationships" [("xmlns","http://schemas.openxmlformats.org/package/2006/relationships")]
linkrels
-- styles
let newstyles = styleToOpenXml styleMaps $ writerHighlightStyle opts
let styledoc' = styledoc{ elContent = modifyContent (elContent styledoc) }
where
modifyContent
| writerHighlight opts = (++ map Elem newstyles)
| otherwise = filter notTokStyle
notTokStyle (Elem el) = notStyle el || notTokId el
notTokStyle _ = True
notStyle = (/= elemName' "style") . elName
notTokId = maybe True (`notElem` tokStys) . findAttr (elemName' "styleId")
tokStys = "SourceCode" : map show (enumFromTo KeywordTok NormalTok)
elemName' = elemName (sNameSpaces styleMaps) "w"
let styleEntry = toEntry stylepath epochtime $ renderXml styledoc'
-- construct word/numbering.xml
let numpath = "word/numbering.xml"
numbering <- parseXml refArchive distArchive numpath
newNumElts <- mkNumbering (stLists st)
let allElts = onlyElems (elContent numbering) ++ newNumElts
let numEntry = toEntry numpath epochtime $ renderXml numbering{ elContent =
-- we want all the abstractNums first, then the nums,
-- otherwise things break:
[Elem e | e <- allElts
, qName (elName e) == "abstractNum" ] ++
[Elem e | e <- allElts
, qName (elName e) == "num" ] }
let docPropsPath = "docProps/core.xml"
let docProps = mknode "cp:coreProperties"
[("xmlns:cp","http://schemas.openxmlformats.org/package/2006/metadata/core-properties")
,("xmlns:dc","http://purl.org/dc/elements/1.1/")
,("xmlns:dcterms","http://purl.org/dc/terms/")
,("xmlns:dcmitype","http://purl.org/dc/dcmitype/")
,("xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance")]
$ mknode "dc:title" [] (stringify $ docTitle meta)
: mknode "dc:creator" [] (intercalate "; " (map stringify $ docAuthors meta))
: maybe []
(\x -> [ mknode "dcterms:created" [("xsi:type","dcterms:W3CDTF")] x
, mknode "dcterms:modified" [("xsi:type","dcterms:W3CDTF")] x
]) (normalizeDate $ stringify $ docDate meta)
let docPropsEntry = toEntry docPropsPath epochtime $ renderXml docProps
let relsPath = "_rels/.rels"
let rels = mknode "Relationships" [("xmlns", "http://schemas.openxmlformats.org/package/2006/relationships")]
$ map (\attrs -> mknode "Relationship" attrs ())
[ [("Id","rId1")
,("Type","http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument")
,("Target","word/document.xml")]
, [("Id","rId4")
,("Type","http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties")
,("Target","docProps/app.xml")]
, [("Id","rId3")
,("Type","http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties")
,("Target","docProps/core.xml")]
]
let relsEntry = toEntry relsPath epochtime $ renderXml rels
-- we use dist archive for settings.xml, because Word sometimes
-- adds references to footnotes or endnotes we don't have...
-- we do, however, copy some settings over from reference
let settingsPath = "word/settings.xml"
settingsList = [ "w:autoHyphenation"
, "w:consecutiveHyphenLimit"
, "w:hyphenationZone"
, "w:doNotHyphenateCap"
]
settingsEntry <- copyChildren refArchive distArchive settingsPath epochtime settingsList
let entryFromArchive arch path =
maybe (fail $ path ++ " missing in reference docx")
return
(findEntryByPath path arch `mplus` findEntryByPath path distArchive)
docPropsAppEntry <- entryFromArchive refArchive "docProps/app.xml"
themeEntry <- entryFromArchive refArchive "word/theme/theme1.xml"
fontTableEntry <- entryFromArchive refArchive "word/fontTable.xml"
webSettingsEntry <- entryFromArchive refArchive "word/webSettings.xml"
headerFooterEntries <- mapM (entryFromArchive refArchive) $
mapMaybe (fmap ("word/" ++) . extractTarget)
(headers ++ footers)
let miscRelEntries = [ e | e <- zEntries refArchive
, "word/_rels/" `isPrefixOf` (eRelativePath e)
, ".xml.rels" `isSuffixOf` (eRelativePath e)
, eRelativePath e /= "word/_rels/document.xml.rels"
, eRelativePath e /= "word/_rels/footnotes.xml.rels" ]
let otherMediaEntries = [ e | e <- zEntries refArchive
, "word/media/" `isPrefixOf` eRelativePath e ]
-- Create archive
let archive = foldr addEntryToArchive emptyArchive $
contentTypesEntry : relsEntry : contentEntry : relEntry :
footnoteRelEntry : numEntry : styleEntry : footnotesEntry :
docPropsEntry : docPropsAppEntry : themeEntry :
fontTableEntry : settingsEntry : webSettingsEntry :
imageEntries ++ headerFooterEntries ++
miscRelEntries ++ otherMediaEntries
return $ fromArchive archive
styleToOpenXml :: StyleMaps -> Style -> [Element]
styleToOpenXml sm style =
maybeToList parStyle ++ mapMaybe toStyle alltoktypes
where alltoktypes = enumFromTo KeywordTok NormalTok
toStyle toktype | hasStyleName (show toktype) (sCharStyleMap sm) = Nothing
| otherwise = Just $
mknode "w:style" [("w:type","character"),
("w:customStyle","1"),("w:styleId",show toktype)]
[ mknode "w:name" [("w:val",show toktype)] ()
, mknode "w:basedOn" [("w:val","VerbatimChar")] ()
, mknode "w:rPr" [] $
[ mknode "w:color" [("w:val",tokCol toktype)] ()
| tokCol toktype /= "auto" ] ++
[ mknode "w:shd" [("w:val","clear"),("w:fill",tokBg toktype)] ()
| tokBg toktype /= "auto" ] ++
[ mknode "w:b" [] () | tokFeature tokenBold toktype ] ++
[ mknode "w:i" [] () | tokFeature tokenItalic toktype ] ++
[ mknode "w:u" [] () | tokFeature tokenUnderline toktype ]
]
tokStyles = tokenStyles style
tokFeature f toktype = maybe False f $ lookup toktype tokStyles
tokCol toktype = maybe "auto" (drop 1 . fromColor)
$ (tokenColor =<< lookup toktype tokStyles)
`mplus` defaultColor style
tokBg toktype = maybe "auto" (drop 1 . fromColor)
$ (tokenBackground =<< lookup toktype tokStyles)
`mplus` backgroundColor style
parStyle | hasStyleName "Source Code" (sParaStyleMap sm) = Nothing
| otherwise = Just $
mknode "w:style" [("w:type","paragraph"),
("w:customStyle","1"),("w:styleId","SourceCode")]
[ mknode "w:name" [("w:val","Source Code")] ()
, mknode "w:basedOn" [("w:val","Normal")] ()
, mknode "w:link" [("w:val","VerbatimChar")] ()
, mknode "w:pPr" []
$ mknode "w:wordWrap" [("w:val","off")] ()
: ( maybe [] (\col -> [mknode "w:shd" [("w:val","clear"),("w:fill",drop 1 $ fromColor col)] ()])
$ backgroundColor style )
]
copyChildren :: Archive -> Archive -> String -> Integer -> [String] -> IO Entry
copyChildren refArchive distArchive path timestamp elNames = do
ref <- parseXml refArchive distArchive path
dist <- parseXml distArchive distArchive path
return $ toEntry path timestamp $ renderXml dist{
elContent = elContent dist ++ copyContent ref
}
where
strName QName{qName=name, qPrefix=prefix}
| Just p <- prefix = p++":"++name
| otherwise = name
shouldCopy = (`elem` elNames) . strName
cleanElem el@Element{elName=name} = Elem el{elName=name{qURI=Nothing}}
copyContent = map cleanElem . filterChildrenName shouldCopy
-- this is the lowest number used for a list numId
baseListId :: Int
baseListId = 1000
mkNumbering :: [ListMarker] -> IO [Element]
mkNumbering lists = do
elts <- mapM mkAbstractNum (ordNub lists)
return $ elts ++ zipWith mkNum lists [baseListId..(baseListId + length lists - 1)]
mkNum :: ListMarker -> Int -> Element
mkNum marker numid =
mknode "w:num" [("w:numId",show numid)]
$ mknode "w:abstractNumId" [("w:val",listMarkerToId marker)] ()
: case marker of
NoMarker -> []
BulletMarker -> []
NumberMarker _ _ start ->
map (\lvl -> mknode "w:lvlOverride" [("w:ilvl",show (lvl :: Int))]
$ mknode "w:startOverride" [("w:val",show start)] ()) [0..6]
mkAbstractNum :: ListMarker -> IO Element
mkAbstractNum marker = do
nsid <- randomRIO (0x10000000 :: Integer, 0xFFFFFFFF :: Integer)
return $ mknode "w:abstractNum" [("w:abstractNumId",listMarkerToId marker)]
$ mknode "w:nsid" [("w:val", printf "%8x" nsid)] ()
: mknode "w:multiLevelType" [("w:val","multilevel")] ()
: map (mkLvl marker) [0..6]
mkLvl :: ListMarker -> Int -> Element
mkLvl marker lvl =
mknode "w:lvl" [("w:ilvl",show lvl)] $
[ mknode "w:start" [("w:val",start)] ()
| marker /= NoMarker && marker /= BulletMarker ] ++
[ mknode "w:numFmt" [("w:val",fmt)] ()
, mknode "w:lvlText" [("w:val",lvltxt)] ()
, mknode "w:lvlJc" [("w:val","left")] ()
, mknode "w:pPr" []
[ mknode "w:tabs" []
$ mknode "w:tab" [("w:val","num"),("w:pos",show $ lvl * step)] ()
, mknode "w:ind" [("w:left",show $ lvl * step + hang),("w:hanging",show hang)] ()
]
]
where (fmt, lvltxt, start) =
case marker of
NoMarker -> ("bullet"," ","1")
BulletMarker -> ("bullet",bulletFor lvl,"1")
NumberMarker st de n -> (styleFor st lvl
,patternFor de ("%" ++ show (lvl + 1))
,show n)
step = 720
hang = 480
bulletFor 0 = "\x2022" -- filled circle
bulletFor 1 = "\x2013" -- en dash
bulletFor 2 = "\x2022" -- hyphen bullet
bulletFor 3 = "\x2013"
bulletFor 4 = "\x2022"
bulletFor 5 = "\x2013"
bulletFor _ = "\x2022"
styleFor UpperAlpha _ = "upperLetter"
styleFor LowerAlpha _ = "lowerLetter"
styleFor UpperRoman _ = "upperRoman"
styleFor LowerRoman _ = "lowerRoman"
styleFor Decimal _ = "decimal"
styleFor DefaultStyle 1 = "decimal"
styleFor DefaultStyle 2 = "lowerLetter"
styleFor DefaultStyle 3 = "lowerRoman"
styleFor DefaultStyle 4 = "decimal"
styleFor DefaultStyle 5 = "lowerLetter"
styleFor DefaultStyle 6 = "lowerRoman"
styleFor _ _ = "decimal"
patternFor OneParen s = s ++ ")"
patternFor TwoParens s = "(" ++ s ++ ")"
patternFor _ s = s ++ "."
getNumId :: WS Int
getNumId = (((baseListId - 1) +) . length) `fmap` gets stLists
makeTOC :: WriterOptions -> WS [Element]
makeTOC opts | writerTableOfContents opts = do
let depth = "1-"++(show (writerTOCDepth opts))
let tocCmd = "TOC \\o \""++depth++"\" \\h \\z \\u"
tocTitle <- gets stTocTitle
title <- withParaPropM (pStyleM "TOC Heading") (blocksToOpenXML opts [Para tocTitle])
return $
[mknode "w:sdt" [] ([
mknode "w:sdtPr" [] (
mknode "w:docPartObj" [] (
[mknode "w:docPartGallery" [("w:val","Table of Contents")] (),
mknode "w:docPartUnique" [] ()]
) -- w:docPartObj
), -- w:sdtPr
mknode "w:sdtContent" [] (title++[
mknode "w:p" [] (
mknode "w:r" [] ([
mknode "w:fldChar" [("w:fldCharType","begin"),("w:dirty","true")] (),
mknode "w:instrText" [("xml:space","preserve")] tocCmd,
mknode "w:fldChar" [("w:fldCharType","separate")] (),
mknode "w:fldChar" [("w:fldCharType","end")] ()
]) -- w:r
) -- w:p
])
])] -- w:sdt
makeTOC _ = return []
-- | Convert Pandoc document to two lists of
-- OpenXML elements (the main document and footnotes).
writeOpenXML :: WriterOptions -> Pandoc -> WS ([Element], [Element])
writeOpenXML opts (Pandoc meta blocks) = do
let tit = docTitle meta ++ case lookupMeta "subtitle" meta of
Just (MetaBlocks [Plain xs]) -> LineBreak : xs
_ -> []
let auths = docAuthors meta
let dat = docDate meta
let abstract' = case lookupMeta "abstract" meta of
Just (MetaBlocks bs) -> bs
Just (MetaInlines ils) -> [Plain ils]
_ -> []
let subtitle' = case lookupMeta "subtitle" meta of
Just (MetaBlocks [Plain xs]) -> xs
Just (MetaBlocks [Para xs]) -> xs
Just (MetaInlines xs) -> xs
_ -> []
title <- withParaPropM (pStyleM "Title") $ blocksToOpenXML opts [Para tit | not (null tit)]
subtitle <- withParaPropM (pStyleM "Subtitle") $ blocksToOpenXML opts [Para subtitle' | not (null subtitle')]
authors <- withParaProp (pCustomStyle "Author") $ blocksToOpenXML opts $
map Para auths
date <- withParaPropM (pStyleM "Date") $ blocksToOpenXML opts [Para dat | not (null dat)]
abstract <- if null abstract'
then return []
else withParaProp (pCustomStyle "Abstract") $ blocksToOpenXML opts abstract'
let convertSpace (Str x : Space : Str y : xs) = Str (x ++ " " ++ y) : xs
convertSpace (Str x : Str y : xs) = Str (x ++ y) : xs
convertSpace xs = xs
let blocks' = bottomUp convertSpace blocks
doc' <- (setFirstPara >> blocksToOpenXML opts blocks')
notes' <- reverse `fmap` gets stFootnotes
toc <- makeTOC opts
let meta' = title ++ subtitle ++ authors ++ date ++ abstract ++ toc
return (meta' ++ doc', notes')
-- | Convert a list of Pandoc blocks to OpenXML.
blocksToOpenXML :: WriterOptions -> [Block] -> WS [Element]
blocksToOpenXML opts bls = concat `fmap` mapM (blockToOpenXML opts) bls
pCustomStyle :: String -> Element
pCustomStyle sty = mknode "w:pStyle" [("w:val",sty)] ()
pStyleM :: String -> WS XML.Element
pStyleM styleName = do
styleMaps <- gets stStyleMaps
let sty' = getStyleId styleName $ sParaStyleMap styleMaps
return $ mknode "w:pStyle" [("w:val",sty')] ()
rCustomStyle :: String -> Element
rCustomStyle sty = mknode "w:rStyle" [("w:val",sty)] ()
rStyleM :: String -> WS XML.Element
rStyleM styleName = do
styleMaps <- gets stStyleMaps
let sty' = getStyleId styleName $ sCharStyleMap styleMaps
return $ mknode "w:rStyle" [("w:val",sty')] ()
getUniqueId :: MonadIO m => m String
-- the + 20 is to ensure that there are no clashes with the rIds
-- already in word/document.xml.rel
getUniqueId = liftIO $ (show . (+ 20) . hashUnique) `fmap` newUnique
-- | Convert a Pandoc block element to OpenXML.
blockToOpenXML :: WriterOptions -> Block -> WS [Element]
blockToOpenXML _ Null = return []
blockToOpenXML opts (Div (_,["references"],_) bs) = do
let (hs, bs') = span isHeaderBlock bs
header <- blocksToOpenXML opts hs
-- We put the Bibliography style on paragraphs after the header
rest <- withParaPropM (pStyleM "Bibliography") $ blocksToOpenXML opts bs'
return (header ++ rest)
blockToOpenXML opts (Div _ bs) = blocksToOpenXML opts bs
blockToOpenXML opts (Header lev (ident,_,_) lst) = do
setFirstPara
paraProps <- withParaPropM (pStyleM ("Heading "++show lev)) $
getParaProps False
contents <- inlinesToOpenXML opts lst
usedIdents <- gets stSectionIds
let bookmarkName = if null ident
then uniqueIdent lst usedIdents
else ident
modify $ \s -> s{ stSectionIds = Set.insert bookmarkName $ stSectionIds s }
id' <- getUniqueId
let bookmarkStart = mknode "w:bookmarkStart" [("w:id", id')
,("w:name",bookmarkName)] ()
let bookmarkEnd = mknode "w:bookmarkEnd" [("w:id", id')] ()
return [mknode "w:p" [] (paraProps ++ [bookmarkStart, bookmarkEnd] ++ contents)]
blockToOpenXML opts (Plain lst) = withParaProp (pCustomStyle "Compact")
$ blockToOpenXML opts (Para lst)
-- title beginning with fig: indicates that the image is a figure
blockToOpenXML opts (Para [Image attr alt (src,'f':'i':'g':':':tit)]) = do
setFirstPara
pushParaProp $ pCustomStyle $
if null alt
then "Figure"
else "FigureWithCaption"
paraProps <- getParaProps False
popParaProp
contents <- inlinesToOpenXML opts [Image attr alt (src,tit)]
captionNode <- withParaProp (pCustomStyle "ImageCaption")
$ blockToOpenXML opts (Para alt)
return $ mknode "w:p" [] (paraProps ++ contents) : captionNode
-- fixDisplayMath sometimes produces a Para [] as artifact
blockToOpenXML _ (Para []) = return []
blockToOpenXML opts (Para lst) = do
isFirstPara <- gets stFirstPara
paraProps <- getParaProps $ case lst of
[Math DisplayMath _] -> True
_ -> False
bodyTextStyle <- pStyleM "Body Text"
let paraProps' = case paraProps of
[] | isFirstPara -> [mknode "w:pPr" [] [pCustomStyle "FirstParagraph"]]
[] -> [mknode "w:pPr" [] [bodyTextStyle]]
ps -> ps
modify $ \s -> s { stFirstPara = False }
contents <- inlinesToOpenXML opts lst
return [mknode "w:p" [] (paraProps' ++ contents)]
blockToOpenXML _ (RawBlock format str)
| format == Format "openxml" = return [ x | Elem x <- parseXML str ]
| otherwise = return []
blockToOpenXML opts (BlockQuote blocks) = do
p <- withParaPropM (pStyleM "Block Text") $ blocksToOpenXML opts blocks
setFirstPara
return p
blockToOpenXML opts (CodeBlock attrs str) = do
p <- withParaProp (pCustomStyle "SourceCode") (blockToOpenXML opts $ Para [Code attrs str])
setFirstPara
return p
blockToOpenXML _ HorizontalRule = do
setFirstPara
return [
mknode "w:p" [] $ mknode "w:r" [] $ mknode "w:pict" []
$ mknode "v:rect" [("style","width:0;height:1.5pt"),
("o:hralign","center"),
("o:hrstd","t"),("o:hr","t")] () ]
blockToOpenXML opts (Table caption aligns widths headers rows) = do
setFirstPara
let captionStr = stringify caption
caption' <- if null caption
then return []
else withParaProp (pCustomStyle "TableCaption")
$ blockToOpenXML opts (Para caption)
let alignmentFor al = mknode "w:jc" [("w:val",alignmentToString al)] ()
let cellToOpenXML (al, cell) = withParaProp (alignmentFor al)
$ blocksToOpenXML opts cell
headers' <- mapM cellToOpenXML $ zip aligns headers
rows' <- mapM (mapM cellToOpenXML . zip aligns) rows
let borderProps = mknode "w:tcPr" []
[ mknode "w:tcBorders" []
$ mknode "w:bottom" [("w:val","single")] ()
, mknode "w:vAlign" [("w:val","bottom")] () ]
let emptyCell = [mknode "w:p" [] [pCustomStyle "Compact"]]
let mkcell border contents = mknode "w:tc" []
$ [ borderProps | border ] ++
if null contents
then emptyCell
else contents
let mkrow border cells = mknode "w:tr" [] $
[mknode "w:trPr" [] [
mknode "w:cnfStyle" [("w:firstRow","1")] ()] | border]
++ map (mkcell border) cells
let textwidth = 7920 -- 5.5 in in twips, 1/20 pt
let fullrow = 5000 -- 100% specified in pct
let rowwidth = fullrow * sum widths
let mkgridcol w = mknode "w:gridCol"
[("w:w", show (floor (textwidth * w) :: Integer))] ()
let hasHeader = not (all null headers)
return $
caption' ++
[mknode "w:tbl" []
( mknode "w:tblPr" []
( mknode "w:tblStyle" [("w:val","TableNormal")] () :
mknode "w:tblW" [("w:type", "pct"), ("w:w", show rowwidth)] () :
mknode "w:tblLook" [("w:firstRow","1") | hasHeader ] () :
[ mknode "w:tblCaption" [("w:val", captionStr)] ()
| not (null caption) ] )
: mknode "w:tblGrid" []
(if all (==0) widths
then []
else map mkgridcol widths)
: [ mkrow True headers' | hasHeader ] ++
map (mkrow False) rows'
)]
blockToOpenXML opts (BulletList lst) = do
let marker = BulletMarker
addList marker
numid <- getNumId
l <- asList $ concat `fmap` mapM (listItemToOpenXML opts numid) lst
setFirstPara
return l
blockToOpenXML opts (OrderedList (start, numstyle, numdelim) lst) = do
let marker = NumberMarker numstyle numdelim start
addList marker
numid <- getNumId
l <- asList $ concat `fmap` mapM (listItemToOpenXML opts numid) lst
setFirstPara
return l
blockToOpenXML opts (DefinitionList items) = do
l <- concat `fmap` mapM (definitionListItemToOpenXML opts) items
setFirstPara
return l
definitionListItemToOpenXML :: WriterOptions -> ([Inline],[[Block]]) -> WS [Element]
definitionListItemToOpenXML opts (term,defs) = do
term' <- withParaProp (pCustomStyle "DefinitionTerm")
$ blockToOpenXML opts (Para term)
defs' <- withParaProp (pCustomStyle "Definition")
$ concat `fmap` mapM (blocksToOpenXML opts) defs
return $ term' ++ defs'
addList :: ListMarker -> WS ()
addList marker = do
lists <- gets stLists
modify $ \st -> st{ stLists = lists ++ [marker] }
listItemToOpenXML :: WriterOptions -> Int -> [Block] -> WS [Element]
listItemToOpenXML _ _ [] = return []
listItemToOpenXML opts numid (first:rest) = do
first' <- withNumId numid $ blockToOpenXML opts first
-- baseListId is the code for no list marker:
rest' <- withNumId baseListId $ blocksToOpenXML opts rest
return $ first' ++ rest'
alignmentToString :: Alignment -> [Char]
alignmentToString alignment = case alignment of
AlignLeft -> "left"
AlignRight -> "right"
AlignCenter -> "center"
AlignDefault -> "left"
-- | Convert a list of inline elements to OpenXML.
inlinesToOpenXML :: WriterOptions -> [Inline] -> WS [Element]
inlinesToOpenXML opts lst = concat `fmap` mapM (inlineToOpenXML opts) lst
withNumId :: Int -> WS a -> WS a
withNumId numid p = do
origNumId <- gets stListNumId
modify $ \st -> st{ stListNumId = numid }
result <- p
modify $ \st -> st{ stListNumId = origNumId }
return result
asList :: WS a -> WS a
asList p = do
origListLevel <- gets stListLevel
modify $ \st -> st{ stListLevel = stListLevel st + 1 }
result <- p
modify $ \st -> st{ stListLevel = origListLevel }
return result
getTextProps :: WS [Element]
getTextProps = do
props <- gets stTextProperties
return $ if null props
then []
else [mknode "w:rPr" [] props]
pushTextProp :: Element -> WS ()
pushTextProp d = modify $ \s -> s{ stTextProperties = d : stTextProperties s }
popTextProp :: WS ()
popTextProp = modify $ \s -> s{ stTextProperties = drop 1 $ stTextProperties s }
withTextProp :: Element -> WS a -> WS a
withTextProp d p = do
pushTextProp d
res <- p
popTextProp
return res
withTextPropM :: WS Element -> WS a -> WS a
withTextPropM = (. flip withTextProp) . (>>=)
getParaProps :: Bool -> WS [Element]
getParaProps displayMathPara = do
props <- gets stParaProperties
listLevel <- gets stListLevel
numid <- gets stListNumId
let listPr = if listLevel >= 0 && not displayMathPara
then [ mknode "w:numPr" []
[ mknode "w:numId" [("w:val",show numid)] ()
, mknode "w:ilvl" [("w:val",show listLevel)] () ]
]
else []
return $ case props ++ listPr of
[] -> []
ps -> [mknode "w:pPr" [] ps]
pushParaProp :: Element -> WS ()
pushParaProp d = modify $ \s -> s{ stParaProperties = d : stParaProperties s }
popParaProp :: WS ()
popParaProp = modify $ \s -> s{ stParaProperties = drop 1 $ stParaProperties s }
withParaProp :: Element -> WS a -> WS a
withParaProp d p = do
pushParaProp d
res <- p
popParaProp
return res
withParaPropM :: WS Element -> WS a -> WS a
withParaPropM = (. flip withParaProp) . (>>=)
formattedString :: String -> WS [Element]
formattedString str = do
props <- getTextProps
inDel <- gets stInDel
return [ mknode "w:r" [] $
props ++
[ mknode (if inDel then "w:delText" else "w:t")
[("xml:space","preserve")] (stripInvalidChars str) ] ]
setFirstPara :: WS ()
setFirstPara = modify $ \s -> s { stFirstPara = True }
-- | Convert an inline element to OpenXML.
inlineToOpenXML :: WriterOptions -> Inline -> WS [Element]
inlineToOpenXML _ (Str str) = formattedString str
inlineToOpenXML opts Space = inlineToOpenXML opts (Str " ")
inlineToOpenXML opts SoftBreak = inlineToOpenXML opts (Str " ")
inlineToOpenXML opts (Span (_,classes,kvs) ils)
| "insertion" `elem` classes = do
defaultAuthor <- gets stChangesAuthor
defaultDate <- gets stChangesDate
let author = fromMaybe defaultAuthor (lookup "author" kvs)
date = fromMaybe defaultDate (lookup "date" kvs)
insId <- gets stInsId
modify $ \s -> s{stInsId = (insId + 1)}
x <- inlinesToOpenXML opts ils
return [ mknode "w:ins" [("w:id", (show insId)),
("w:author", author),
("w:date", date)]
x ]