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ODT writer: Construct META-INF/manifest.xml based on archive contents.

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This fixes a bug in ODTs containing images.  LibreOffice would signal
that these ODTs were corrupt, because the manifest.xml did not contain
a reference to the image files.
This commit is contained in:
John MacFarlane 2011-07-17 23:21:59 -07:00
parent cc20421471
commit e2aec87956
1 changed files with 28 additions and 3 deletions
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31
src/Text/Pandoc/Writers/ODT.hs
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@ -29,19 +29,22 @@ Conversion of 'Pandoc' documents to ODT.
-}
module Text.Pandoc.Writers.ODT ( writeODT ) where
import Data.IORef
import Data.List ( isPrefixOf )
import System.FilePath ( (</>), takeExtension )
import qualified Data.ByteString.Lazy as B
import Data.ByteString.Lazy.UTF8 ( fromString )
import Codec.Archive.Zip
import System.Time
import Paths_pandoc ( getDataFileName )
import Text.Pandoc.Shared ( WriterOptions(..) )
import Text.Pandoc.Shared ( WriterOptions(..), getMimeType )
import Text.Pandoc.Definition
import Text.Pandoc.Generic
import Text.Pandoc.Writers.OpenDocument ( writeOpenDocument )
import System.Directory
import Control.Monad (liftM)
import Network.URI ( unEscapeString )
import Text.Pandoc.XML
import Text.Pandoc.Pretty
-- | Produce an ODT file from a Pandoc document.
writeODT :: Maybe FilePath -- ^ Path specified by --reference-odt
@ -70,8 +73,30 @@ writeODT mbRefOdt opts doc = do
(TOD epochtime _) <- getClockTime
let contentEntry = toEntry "content.xml" epochtime $ fromString newContents
picEntries <- readIORef picEntriesRef
let archive = foldr addEntryToArchive refArchive (contentEntry : picEntries)
return $ fromArchive archive
let archive = foldr addEntryToArchive refArchive $ contentEntry : picEntries
-- construct META-INF/manifest.xml based on archive
let toFileEntry fp = case getMimeType fp of
Nothing -> empty
Just m -> selfClosingTag "manifest:file-entry"
[("manifest:media-type", m)
,("manifest:full-path", fp)
]
let files = [ ent | ent <- filesInArchive archive, not ("META-INF" `isPrefixOf` ent) ]
let manifestEntry = toEntry "META-INF/manifest.xml" epochtime
$ fromString $ show
$ text "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
$$
( inTags True "manifest:manifest"
[("xmlns:manifest","urn:oasis:names:tc:opendocument:xmlns:manifest:1.0")]
$ ( selfClosingTag "manifest:file-entry"
[("manifest:media-type","application/vnd.oasis.opendocument.text")
,("manifest:version","1.2")
,("manifest:full-path","/")]
$$ vcat ( map toFileEntry $ files )
)
)
let archive' = addEntryToArchive manifestEntry archive
return $ fromArchive archive'
transformPic :: FilePath -> IORef [Entry] -> Inline -> IO Inline
transformPic sourceDir entriesRef (Image lab (src,tit)) = do