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{-
Copyright (C) 2008 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.ODT
Copyright : Copyright (C) 2006-7 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Functions for producing an ODT file from OpenDocument XML.
-}
module Text.Pandoc.ODT ( saveOpenDocumentAsODT ) where
import Data.List ( find )
import System.FilePath ( (</>), takeFileName )
import qualified Data.ByteString.Lazy as B
import Data.ByteString.Lazy.UTF8 ( fromString )
import Prelude hiding ( writeFile, readFile )
import Codec.Archive.Zip
import Control.Applicative ( (<$>) )
import Text.ParserCombinators.Parsec
import System.Time
import Paths_pandoc ( getDataFileName )
import System.Directory
import Control.Monad (liftM)
-- | Produce an ODT file from OpenDocument XML.
saveOpenDocumentAsODT :: Maybe FilePath -- ^ Path of user data directory
-> FilePath -- ^ Pathname of ODT file to be produced
-> FilePath -- ^ Relative directory of source file
-> Maybe FilePath -- ^ Path specified by --reference-odt
-> String -- ^ OpenDocument XML contents
-> IO ()
saveOpenDocumentAsODT datadir destinationODTPath sourceDirRelative mbRefOdt xml = do
refArchive <- liftM toArchive $
case mbRefOdt of
Just f -> B.readFile f
Nothing -> do
let defaultODT = getDataFileName "reference.odt" >>= B.readFile
case datadir of
Nothing -> defaultODT
Just d -> do
exists <- doesFileExist (d </> "reference.odt")
if exists
then B.readFile (d </> "reference.odt")
else defaultODT
-- handle pictures
let (newContents, pics) =
case runParser pPictures [] "OpenDocument XML contents" xml of
Left err -> error $ show err
Right x -> x
picEntries <- mapM (makePictureEntry sourceDirRelative) pics
(TOD epochTime _) <- getClockTime
let contentEntry = toEntry "content.xml" epochTime $ fromString newContents
let archive = foldr addEntryToArchive refArchive (contentEntry : picEntries)
B.writeFile destinationODTPath $ fromArchive archive
makePictureEntry :: FilePath -- ^ Relative directory of source file
-> (FilePath, String) -- ^ Path and new path of picture
-> IO Entry
makePictureEntry sourceDirRelative (path, newPath) = do
entry <- readEntry [] $ sourceDirRelative </> path
return (entry { eRelativePath = newPath })
pPictures :: GenParser Char [(FilePath, String)] ([Char], [(FilePath, String)])
pPictures = do
contents <- concat <$> many (pPicture <|> many1 (noneOf "<") <|> string "<")
pics <- getState
return (contents, pics)
pPicture :: GenParser Char [(FilePath, String)] [Char]
pPicture = try $ do
string "<draw:image xlink:href=\""
path <- manyTill anyChar (char '"')
let filename = takeFileName path
pics <- getState
newPath <- case find (\(o, _) -> o == path) pics of
Just (_, new) -> return new
Nothing -> do
-- get a unique name
let dups = length $ (filter (\(o, _) -> takeFileName o == filename)) pics
let new = "Pictures/" ++ replicate dups '0' ++ filename
updateState ((path, new) :)
return new
return $ "<draw:image xlink:href=\"" ++ newPath ++ "\""
|
