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-rw-r--r--src/Text/Pandoc/Writers/EPUB.hs22
1 files changed, 13 insertions, 9 deletions
diff --git a/src/Text/Pandoc/Writers/EPUB.hs b/src/Text/Pandoc/Writers/EPUB.hs
index be8de7073..98f043cd8 100644
--- a/src/Text/Pandoc/Writers/EPUB.hs
+++ b/src/Text/Pandoc/Writers/EPUB.hs
@@ -198,7 +198,12 @@ writeEPUB opts doc@(Pandoc meta _) = do
let lang = case lookup "lang" (writerVariables opts') of
Just x -> x
Nothing -> localeLang
- uuid <- getRandomUUID
+ let userNodes = onlyElems $ parseXML $ writerEpubMetadata opts'
+ let mbIdent = findElement (QName "identifier" Nothing (Just "dc"))
+ $ unode "dummy" ! [] $ userNodes
+ uuid <- case mbIdent of
+ Just id' -> return $ trim $ strContent id'
+ Nothing -> fmap show getRandomUUID
let chapterNode ent = unode "item" !
([("id", takeBaseName $ eRelativePath ent),
("href", eRelativePath ent),
@@ -230,7 +235,7 @@ writeEPUB opts doc@(Pandoc meta _) = do
EPUB3 -> "3.0")
,("xmlns","http://www.idpf.org/2007/opf")
,("unique-identifier","BookId")] $
- [ metadataElement version (writerEpubMetadata opts')
+ [ metadataElement version userNodes
uuid lang plainTitle plainAuthors plainDate currentTime mbCoverImage
, unode "manifest" $
[ unode "item" ! [("id","ncx"), ("href","toc.ncx")
@@ -311,7 +316,7 @@ writeEPUB opts doc@(Pandoc meta _) = do
,("xmlns","http://www.daisy.org/z3986/2005/ncx/")] $
[ unode "head" $
[ unode "meta" ! [("name","dtb:uid")
- ,("content", show uuid)] $ ()
+ ,("content", uuid)] $ ()
, unode "meta" ! [("name","dtb:depth")
,("content", "1")] $ ()
, unode "meta" ! [("name","dtb:totalPageCount")
@@ -384,13 +389,12 @@ writeEPUB opts doc@(Pandoc meta _) = do
(picEntries ++ cpicEntry ++ cpgEntry ++ chapterEntries ++ fontEntries))
return $ fromArchive archive
-metadataElement :: EPUBVersion -> String -> UUID -> String -> String -> [String]
+metadataElement :: EPUBVersion -> [Element] -> String -> String -> String -> [String]
-> String -> UTCTime -> Maybe a -> Element
-metadataElement version metadataXML uuid lang title authors date currentTime mbCoverImage =
- let userNodes = parseXML metadataXML
- elt = unode "metadata" ! [("xmlns:dc","http://purl.org/dc/elements/1.1/")
+metadataElement version userNodes uuid lang title authors date currentTime mbCoverImage =
+ let elt = unode "metadata" ! [("xmlns:dc","http://purl.org/dc/elements/1.1/")
,("xmlns:opf","http://www.idpf.org/2007/opf")] $
- filter isMetadataElement $ onlyElems userNodes
+ filter isMetadataElement userNodes
dublinElements = ["contributor","coverage","creator","date",
"description","format","identifier","language","publisher",
"relation","rights","source","subject","title","type"]
@@ -401,7 +405,7 @@ metadataElement version metadataXML uuid lang title authors date currentTime mbC
contains e n = not (null (findElements (QName n Nothing (Just "dc")) e))
newNodes = [ unode "dc:title" title | not (elt `contains` "title") ] ++
[ unode "dc:language" lang | not (elt `contains` "language") ] ++
- [ unode "dc:identifier" ! [("id","BookId")] $ show uuid |
+ [ unode "dc:identifier" ! [("id","BookId")] $ uuid |
not (elt `contains` "identifier") ] ++
[ unode "dc:creator" ! [("opf:role","aut") | version == EPUB2]
$ a | a <- authors, not (elt `contains` "creator") ] ++