1864bb0994
* Added `embed_data_files` flag. (not yet used) * Shared no longer exports `findDataFile`. * `readDataFile` now returns a strict bytestring. * Shared now exports `readDataFileUTF8` which returns a string like the old `readDataFile`. * Rewrote modules to use new data file functions and to avoid using functions from Paths_pandoc directly.
128 lines
5.4 KiB
Haskell
128 lines
5.4 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 Data.List ( isPrefixOf )
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import System.FilePath ( (</>), takeExtension )
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import qualified Data.ByteString.Lazy as B
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import Text.Pandoc.UTF8 ( fromStringLazy )
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import Codec.Archive.Zip
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import Data.Time.Clock.POSIX
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import Text.Pandoc.Options ( WriterOptions(..) )
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import Text.Pandoc.Shared ( stringify, readDataFile )
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import Text.Pandoc.ImageSize ( readImageSize, sizeInPoints )
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import Text.Pandoc.MIME ( getMimeType )
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import Text.Pandoc.Definition
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import Text.Pandoc.Generic
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import Text.Pandoc.Writers.OpenDocument ( writeOpenDocument )
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import Control.Monad (liftM)
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import Network.URI ( unEscapeString )
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import Text.Pandoc.XML
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import Text.Pandoc.Pretty
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import qualified Control.Exception as E
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-- | Produce an ODT file from a Pandoc document.
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writeODT :: WriterOptions -- ^ Writer options
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-> Pandoc -- ^ Document to convert
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-> IO B.ByteString
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writeODT opts doc@(Pandoc (Meta title _ _) _) = do
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let datadir = writerUserDataDir opts
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refArchive <- liftM toArchive $
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case writerReferenceODT opts of
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Just f -> B.readFile f
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Nothing -> (B.fromChunks . (:[])) `fmap`
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readDataFile datadir "reference.odt"
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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' <- bottomUpM (transformPic sourceDir picEntriesRef) doc
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let newContents = writeOpenDocument opts{writerWrapText = False} doc'
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epochtime <- floor `fmap` getPOSIXTime
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let contentEntry = toEntry "content.xml" epochtime $ fromStringLazy newContents
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picEntries <- readIORef picEntriesRef
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let archive = foldr addEntryToArchive refArchive $ contentEntry : picEntries
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-- construct META-INF/manifest.xml based on archive
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let toFileEntry fp = case getMimeType fp of
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Nothing -> empty
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Just m -> selfClosingTag "manifest:file-entry"
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[("manifest:media-type", m)
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,("manifest:full-path", fp)
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]
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let files = [ ent | ent <- filesInArchive archive, not ("META-INF" `isPrefixOf` ent) ]
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let manifestEntry = toEntry "META-INF/manifest.xml" epochtime
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$ fromStringLazy $ show
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$ text "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
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$$
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( inTags True "manifest:manifest"
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[("xmlns:manifest","urn:oasis:names:tc:opendocument:xmlns:manifest:1.0")]
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$ ( selfClosingTag "manifest:file-entry"
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[("manifest:media-type","application/vnd.oasis.opendocument.text")
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,("manifest:version","1.2")
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,("manifest:full-path","/")]
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$$ vcat ( map toFileEntry $ files )
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)
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)
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let archive' = addEntryToArchive manifestEntry archive
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let metaEntry = toEntry "meta.xml" epochtime
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$ fromStringLazy $ show
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$ text "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
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$$
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( inTags True "office:document-meta"
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[("xmlns:office","urn:oasis:names:tc:opendocument:xmlns:office:1.0")
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,("xmlns:xlink","http://www.w3.org/1999/xlink")
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,("xmlns:dc","http://purl.org/dc/elements/1.1/")
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,("xmlns:meta","urn:oasis:names:tc:opendocument:xmlns:meta:1.0")
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,("xmlns:ooo","http://openoffice.org/2004/office")
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,("xmlns:grddl","http://www.w3.org/2003/g/data-view#")
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,("office:version","1.2")]
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$ ( inTagsSimple "office:meta"
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$ ( inTagsSimple "dc:title" (text $ escapeStringForXML (stringify title))
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)
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)
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)
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let archive'' = addEntryToArchive metaEntry archive'
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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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let src' = unEscapeString src
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mbSize <- readImageSize src'
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let tit' = case mbSize of
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Just s -> let (w,h) = sizeInPoints s
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in show w ++ "x" ++ show h
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Nothing -> tit
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entries <- readIORef entriesRef
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let newsrc = "Pictures/" ++ show (length entries) ++ takeExtension src'
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E.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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(\e -> let _ = (e :: E.SomeException) in return (Emph lab))
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transformPic _ _ x = return x
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