diff options
Diffstat (limited to 'src/Text/Pandoc/Writers/EPUB.hs')
| -rw-r--r-- | src/Text/Pandoc/Writers/EPUB.hs | 55 |
1 files changed, 36 insertions, 19 deletions
diff --git a/src/Text/Pandoc/Writers/EPUB.hs b/src/Text/Pandoc/Writers/EPUB.hs index 59c90b16d..a48300939 100644 --- a/src/Text/Pandoc/Writers/EPUB.hs +++ b/src/Text/Pandoc/Writers/EPUB.hs @@ -38,7 +38,7 @@ import Text.Printf (printf) import System.FilePath ( (</>), takeBaseName, takeExtension, takeFileName ) import qualified Data.ByteString.Lazy as B import qualified Data.ByteString.Lazy.Char8 as B8 -import Text.Pandoc.UTF8 ( fromStringLazy, toString ) +import qualified Text.Pandoc.UTF8 as UTF8 import Text.Pandoc.SelfContained ( makeSelfContained ) import Codec.Archive.Zip import Control.Applicative ((<$>)) @@ -89,8 +89,13 @@ data EPUBMetadata = EPUBMetadata{ , epubCoverage :: Maybe String , epubRights :: Maybe String , epubCoverImage :: Maybe String + , epubStylesheet :: Maybe Stylesheet } deriving Show +data Stylesheet = StylesheetPath FilePath + | StylesheetContents String + deriving Show + data Creator = Creator{ creatorText :: String , creatorRole :: Maybe String @@ -119,7 +124,12 @@ opfName n = QName n Nothing (Just "opf") plainify :: [Inline] -> String plainify t = - trimr $ writePlain def{ writerStandalone = False } $ Pandoc nullMeta [Plain t] + trimr $ writePlain def{ writerStandalone = False } + $ Pandoc nullMeta [Plain $ walk removeNote t] + +removeNote :: Inline -> Inline +removeNote (Note _) = Str "" +removeNote x = x getEPUBMetadata :: WriterOptions -> Meta -> IO EPUBMetadata getEPUBMetadata opts meta = do @@ -171,8 +181,8 @@ addMetadataFromXML e@(Element (QName name _ (Just "dc")) attrs _ _) md , titleFileAs = getAttr "file-as" , titleType = getAttr "type" } : epubTitle md } - | name == "date" = md{ epubDate = maybe "" id $ normalizeDate' - $ strContent e } + | name == "date" = md{ epubDate = fromMaybe "" $ normalizeDate' + $ strContent e } | name == "language" = md{ epubLanguage = strContent e } | name == "creator" = md{ epubCreator = Creator{ creatorText = strContent e @@ -262,10 +272,11 @@ metadataFromMeta opts meta = EPUBMetadata{ , epubCoverage = coverage , epubRights = rights , epubCoverImage = coverImage + , epubStylesheet = stylesheet } where identifiers = getIdentifier meta titles = getTitle meta - date = maybe "" id $ + date = fromMaybe "" $ (metaValueToString <$> lookupMeta "date" meta) >>= normalizeDate' language = maybe "" metaValueToString $ lookupMeta "language" meta `mplus` lookupMeta "lang" meta @@ -282,13 +293,16 @@ metadataFromMeta opts meta = EPUBMetadata{ rights = metaValueToString <$> lookupMeta "rights" meta coverImage = lookup "epub-cover-image" (writerVariables opts) `mplus` (metaValueToString <$> lookupMeta "cover-image" meta) + stylesheet = (StylesheetContents <$> writerEpubStylesheet opts) `mplus` + ((StylesheetPath . metaValueToString) <$> + lookupMeta "stylesheet" meta) -- | Produce an EPUB file from a Pandoc document. writeEPUB :: WriterOptions -- ^ Writer options -> Pandoc -- ^ Document to convert -> IO B.ByteString writeEPUB opts doc@(Pandoc meta _) = do - let version = maybe EPUB2 id (writerEpubVersion opts) + let version = fromMaybe EPUB2 (writerEpubVersion opts) let epub3 = version == EPUB3 epochtime <- floor `fmap` getPOSIXTime let mkEntry path content = toEntry path epochtime content @@ -392,10 +406,12 @@ writeEPUB opts doc@(Pandoc meta _) = do chapToEntry num (Chapter mbnum bs) = mkEntry (showChapter num) $ renderHtml $ writeHtml opts'{ writerNumberOffset = - maybe [] id mbnum } + fromMaybe [] mbnum } $ case bs of (Header _ _ xs : _) -> - Pandoc (setMeta "title" (fromList xs) nullMeta) bs + -- remove notes or we get doubled footnotes + Pandoc (setMeta "title" (walk removeNote $ fromList xs) + nullMeta) bs _ -> Pandoc nullMeta bs @@ -427,7 +443,7 @@ writeEPUB opts doc@(Pandoc meta _) = do let fontNode ent = unode "item" ! [("id", takeBaseName $ eRelativePath ent), ("href", eRelativePath ent), - ("media-type", maybe "" id $ getMimeType $ eRelativePath ent)] $ () + ("media-type", fromMaybe "" $ getMimeType $ eRelativePath ent)] $ () let plainTitle = case docTitle meta of [] -> case epubTitle metadata of [] -> "UNTITLED" @@ -437,7 +453,7 @@ writeEPUB opts doc@(Pandoc meta _) = do (x:_) -> identifierText x -- use first identifier as UUID [] -> error "epubIdentifier is null" -- shouldn't happen currentTime <- getCurrentTime - let contentsData = fromStringLazy $ ppTopElement $ + let contentsData = UTF8.fromStringLazy $ ppTopElement $ unode "package" ! [("version", case version of EPUB2 -> "2.0" EPUB3 -> "3.0") @@ -525,7 +541,7 @@ writeEPUB opts doc@(Pandoc meta _) = do [ unode "navLabel" $ unode "text" (plainify $ docTitle meta) , unode "content" ! [("src","title_page.xhtml")] $ () ] - let tocData = fromStringLazy $ ppTopElement $ + let tocData = UTF8.fromStringLazy $ ppTopElement $ unode "ncx" ! [("version","2005-1") ,("xmlns","http://www.daisy.org/z3986/2005/ncx/")] $ [ unode "head" $ @@ -557,7 +573,7 @@ writeEPUB opts doc@(Pandoc meta _) = do (_:_) -> [unode "ol" ! [("class","toc")] $ subs] let navtag = if epub3 then "nav" else "div" - let navData = fromStringLazy $ ppTopElement $ + let navData = UTF8.fromStringLazy $ ppTopElement $ unode "html" ! [("xmlns","http://www.w3.org/1999/xhtml") ,("xmlns:epub","http://www.idpf.org/2007/ops")] $ [ unode "head" $ @@ -571,10 +587,10 @@ writeEPUB opts doc@(Pandoc meta _) = do let navEntry = mkEntry "nav.xhtml" navData -- mimetype - let mimetypeEntry = mkEntry "mimetype" $ fromStringLazy "application/epub+zip" + let mimetypeEntry = mkEntry "mimetype" $ UTF8.fromStringLazy "application/epub+zip" -- container.xml - let containerData = fromStringLazy $ ppTopElement $ + let containerData = UTF8.fromStringLazy $ ppTopElement $ unode "container" ! [("version","1.0") ,("xmlns","urn:oasis:names:tc:opendocument:xmlns:container")] $ unode "rootfiles" $ @@ -583,18 +599,19 @@ writeEPUB opts doc@(Pandoc meta _) = do let containerEntry = mkEntry "META-INF/container.xml" containerData -- com.apple.ibooks.display-options.xml - let apple = fromStringLazy $ ppTopElement $ + let apple = UTF8.fromStringLazy $ ppTopElement $ unode "display_options" $ unode "platform" ! [("name","*")] $ unode "option" ! [("name","specified-fonts")] $ "true" let appleEntry = mkEntry "META-INF/com.apple.ibooks.display-options.xml" apple -- stylesheet - stylesheet <- case writerEpubStylesheet opts of - Just s -> return s - Nothing -> toString `fmap` + stylesheet <- case epubStylesheet metadata of + Just (StylesheetPath fp) -> UTF8.readFile fp + Just (StylesheetContents s) -> return s + Nothing -> UTF8.toString `fmap` readDataFile (writerUserDataDir opts) "epub.css" - let stylesheetEntry = mkEntry "stylesheet.css" $ fromStringLazy stylesheet + let stylesheetEntry = mkEntry "stylesheet.css" $ UTF8.fromStringLazy stylesheet -- construct archive let archive = foldr addEntryToArchive emptyArchive |