diff options
Diffstat (limited to 'src/Text')
| -rw-r--r-- | src/Text/Pandoc/Writers/ODT.hs | 50 |
1 files changed, 42 insertions, 8 deletions
diff --git a/src/Text/Pandoc/Writers/ODT.hs b/src/Text/Pandoc/Writers/ODT.hs index 25cd5ae13..c3652d65d 100644 --- a/src/Text/Pandoc/Writers/ODT.hs +++ b/src/Text/Pandoc/Writers/ODT.hs @@ -30,8 +30,10 @@ Conversion of 'Pandoc' documents to ODT. -} module Text.Pandoc.Writers.ODT ( writeODT ) where import Data.IORef -import Data.List ( isPrefixOf ) +import Data.List ( isPrefixOf, isSuffixOf ) import Data.Maybe ( fromMaybe ) +import Text.XML.Light.Output +import Text.TeXMath import qualified Data.ByteString.Lazy as B import Text.Pandoc.UTF8 ( fromStringLazy ) import Codec.Archive.Zip @@ -41,13 +43,14 @@ import Text.Pandoc.ImageSize ( imageSize, sizeInPoints ) import Text.Pandoc.MIME ( getMimeType ) import Text.Pandoc.Definition import Text.Pandoc.Walk +import Text.Pandoc.Writers.Shared ( fixDisplayMath ) import Text.Pandoc.Writers.OpenDocument ( writeOpenDocument ) import Control.Monad (liftM) import Text.Pandoc.XML import Text.Pandoc.Pretty import qualified Control.Exception as E import Data.Time.Clock.POSIX ( getPOSIXTime ) -import System.FilePath ( takeExtension ) +import System.FilePath ( takeExtension, takeDirectory ) -- | Produce an ODT file from a Pandoc document. writeODT :: WriterOptions -- ^ Writer options @@ -61,9 +64,9 @@ writeODT opts doc@(Pandoc meta _) = do Just f -> B.readFile f Nothing -> (B.fromChunks . (:[])) `fmap` readDataFile datadir "reference.odt" - -- handle pictures + -- handle formulas and pictures picEntriesRef <- newIORef ([] :: [Entry]) - doc' <- walkM (transformPic opts picEntriesRef) doc + doc' <- walkM (transformPicMath opts picEntriesRef) $ walk fixDisplayMath doc let newContents = writeOpenDocument opts{writerWrapText = False} doc' epochtime <- floor `fmap` getPOSIXTime let contentEntry = toEntry "content.xml" epochtime @@ -73,7 +76,11 @@ writeODT opts doc@(Pandoc meta _) = do $ contentEntry : picEntries -- construct META-INF/manifest.xml based on archive let toFileEntry fp = case getMimeType fp of - Nothing -> empty + Nothing -> if "Formula-" `isPrefixOf` fp && "/" `isSuffixOf` fp + then selfClosingTag "manifest:file-entry" + [("manifest:media-type","application/vnd.oasis.opendocument.formula") + ,("manifest:full-path",fp)] + else empty Just m -> selfClosingTag "manifest:file-entry" [("manifest:media-type", m) ,("manifest:full-path", fp) @@ -81,6 +88,8 @@ writeODT opts doc@(Pandoc meta _) = do ] let files = [ ent | ent <- filesInArchive archive, not ("META-INF" `isPrefixOf` ent) ] + let formulas = [ takeDirectory ent ++ "/" | ent <- filesInArchive archive, + "Formula-" `isPrefixOf` ent, takeExtension ent == ".xml" ] let manifestEntry = toEntry "META-INF/manifest.xml" epochtime $ fromStringLazy $ render Nothing $ text "<?xml version=\"1.0\" encoding=\"utf-8\"?>" @@ -92,6 +101,7 @@ writeODT opts doc@(Pandoc meta _) = do [("manifest:media-type","application/vnd.oasis.opendocument.text") ,("manifest:full-path","/")] $$ vcat ( map toFileEntry $ files ) + $$ vcat ( map toFileEntry $ formulas ) ) ) let archive' = addEntryToArchive manifestEntry archive @@ -119,8 +129,8 @@ writeODT opts doc@(Pandoc meta _) = do $ addEntryToArchive metaEntry archive' return $ fromArchive archive'' -transformPic :: WriterOptions -> IORef [Entry] -> Inline -> IO Inline -transformPic opts entriesRef (Image lab (src,_)) = do +transformPicMath :: WriterOptions -> IORef [Entry] -> Inline -> IO Inline +transformPicMath opts entriesRef (Image lab (src,_)) = do res <- fetchItem (writerSourceURL opts) src case res of Left (_ :: E.SomeException) -> do @@ -137,5 +147,29 @@ transformPic opts entriesRef (Image lab (src,_)) = do let entry = toEntry newsrc epochtime $ toLazy img modifyIORef entriesRef (entry:) return $ Image lab (newsrc, tit') -transformPic _ _ x = return x +transformPicMath _ entriesRef (Math t math) = do + entries <- readIORef entriesRef + let dt = if t == InlineMath then DisplayInline else DisplayBlock + case texMathToMathML dt math of + Left _ -> return $ Math t math + Right r -> do + let conf = useShortEmptyTags (const False) defaultConfigPP + let mathml = ppcTopElement conf r + epochtime <- floor `fmap` getPOSIXTime + let dirname = "Formula-" ++ show (length entries) ++ "/" + let fname = dirname ++ "content.xml" + let entry = toEntry fname epochtime (fromStringLazy mathml) + modifyIORef entriesRef (entry:) + return $ RawInline (Format "opendocument") $ render Nothing $ + inTags False "draw:frame" [("text:anchor-type", + if t == DisplayMath + then "paragraph" + else "as-char") + ,("style:vertical-pos", "middle") + ,("style:vertical-rel", "text")] $ + selfClosingTag "draw:object" [("xlink:href", dirname) + , ("xlink:type", "simple") + , ("xlink:show", "embed") + , ("xlink:actuate", "onLoad")] +transformPicMath _ _ x = return x |