83 lines
3.2 KiB
Haskell
83 lines
3.2 KiB
Haskell
{-
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Copyright (C) 2008-2010 John MacFarlane <jgm@berkeley.edu>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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-}
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{- |
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Module : Text.Pandoc.Writers.ODT
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Copyright : Copyright (C) 2008-2010 John MacFarlane
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License : GNU GPL, version 2 or above
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Maintainer : John MacFarlane <jgm@berkeley.edu>
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Stability : alpha
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Portability : portable
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Conversion of 'Pandoc' documents to ODT.
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-}
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module Text.Pandoc.Writers.ODT ( writeODT ) where
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import Data.IORef
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import System.FilePath ( (</>), takeExtension )
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import qualified Data.ByteString.Lazy as B
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import Data.ByteString.Lazy.UTF8 ( fromString )
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import Codec.Archive.Zip
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import System.Time
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import Paths_pandoc ( getDataFileName )
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import Text.Pandoc.Shared ( WriterOptions(..) )
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import Text.Pandoc.Definition
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import Text.Pandoc.Writers.OpenDocument ( writeOpenDocument )
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import System.Directory
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import Control.Monad (liftM)
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-- | Produce an ODT file from a Pandoc document.
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writeODT :: Maybe FilePath -- ^ Path specified by --reference-odt
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-> WriterOptions -- ^ Writer options
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-> Pandoc -- ^ Document to convert
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-> IO B.ByteString
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writeODT mbRefOdt opts doc = do
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let datadir = writerUserDataDir opts
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refArchive <- liftM toArchive $
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case mbRefOdt of
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Just f -> B.readFile f
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Nothing -> do
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let defaultODT = getDataFileName "reference.odt" >>= B.readFile
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case datadir of
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Nothing -> defaultODT
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Just d -> do
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exists <- doesFileExist (d </> "reference.odt")
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if exists
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then B.readFile (d </> "reference.odt")
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else defaultODT
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-- handle pictures
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picEntriesRef <- newIORef ([] :: [Entry])
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let sourceDir = writerSourceDirectory opts
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doc' <- processWithM (transformPic sourceDir picEntriesRef) doc
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let newContents = writeOpenDocument opts doc'
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(TOD epochtime _) <- getClockTime
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let contentEntry = toEntry "content.xml" epochtime $ fromString newContents
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picEntries <- readIORef picEntriesRef
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let archive = foldr addEntryToArchive refArchive (contentEntry : picEntries)
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return $ fromArchive archive
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transformPic :: FilePath -> IORef [Entry] -> Inline -> IO Inline
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transformPic sourceDir entriesRef (Image lab (src,tit)) = do
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entries <- readIORef entriesRef
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let newsrc = "Pictures/" ++ show (length entries) ++ takeExtension src
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catch (readEntry [] (sourceDir </> src) >>= \entry ->
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modifyIORef entriesRef (entry{ eRelativePath = newsrc } :) >>
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return (Image lab (newsrc, tit)))
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(\_ -> return (Emph lab))
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transformPic _ _ x = return x
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