From f8389d48da9921672da3896b85f7ed444ede714d Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Mon, 6 Jun 2016 22:32:09 +0200
Subject: Imported Upstream version 1.17.1~dfsg

---
 src/Text/Pandoc/Readers/EPUB.hs | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'src/Text/Pandoc/Readers/EPUB.hs')

diff --git a/src/Text/Pandoc/Readers/EPUB.hs b/src/Text/Pandoc/Readers/EPUB.hs
index 07d282708..b8a0b47e7 100644
--- a/src/Text/Pandoc/Readers/EPUB.hs
+++ b/src/Text/Pandoc/Readers/EPUB.hs
@@ -14,12 +14,13 @@ import Text.Pandoc.Walk (walk, query)
 import Text.Pandoc.Readers.HTML (readHtml)
 import Text.Pandoc.Options ( ReaderOptions(..), readerTrace)
 import Text.Pandoc.Shared (escapeURI, collapseFilePath, addMetaField)
+import Network.URI (unEscapeString)
 import Text.Pandoc.MediaBag (MediaBag, insertMedia)
 import Text.Pandoc.Compat.Except (MonadError, throwError, runExcept, Except)
 import Text.Pandoc.Compat.Monoid ((<>))
 import Text.Pandoc.MIME (MimeType)
 import qualified Text.Pandoc.Builder as B
-import Codec.Archive.Zip ( Archive (..), toArchive, fromEntry
+import Codec.Archive.Zip ( Archive (..), toArchiveOrFail, fromEntry
                          , findEntryByPath, Entry)
 import qualified Data.ByteString.Lazy as BL (ByteString)
 import System.FilePath ( takeFileName, (</>), dropFileName, normalise
@@ -39,7 +40,9 @@ import Text.Pandoc.Error
 type Items = M.Map String (FilePath, MimeType)
 
 readEPUB :: ReaderOptions -> BL.ByteString -> Either PandocError (Pandoc, MediaBag)
-readEPUB opts bytes = runEPUB (archiveToEPUB opts $ toArchive bytes)
+readEPUB opts bytes = case toArchiveOrFail bytes of
+  Right archive -> runEPUB $ archiveToEPUB opts $ archive
+  Left  _       -> Left $ ParseFailure "Couldn't extract ePub file"
 
 runEPUB :: Except PandocError a -> Either PandocError a
 runEPUB = runExcept
@@ -72,14 +75,15 @@ archiveToEPUB os archive = do
       let docSpan = B.doc $ B.para $ B.spanWith (takeFileName path, [], []) mempty
       return $ docSpan <> doc
     mimeToReader :: MonadError PandocError m => MimeType -> FilePath -> FilePath -> m Pandoc
-    mimeToReader "application/xhtml+xml" (normalise -> root) (normalise -> path) = do
+    mimeToReader "application/xhtml+xml" (unEscapeString -> root)
+                                         (unEscapeString -> path) = do
       fname <- findEntryByPathE (root </> path) archive
       html <- either throwError return .
                 readHtml os' .
                   UTF8.toStringLazy $
                     fromEntry fname
       return $ fixInternalReferences path html
-    mimeToReader s _ path
+    mimeToReader s _ (unEscapeString -> path)
       | s `elem` imageMimes = return $ imageToPandoc path
       | otherwise = return $ mempty
 
@@ -190,8 +194,10 @@ fixInlineIRs s (Span as v) =
   Span (fixAttrs s as) v
 fixInlineIRs s (Code as code) =
   Code (fixAttrs s as) code
-fixInlineIRs s (Link attr t ('#':url, tit)) =
-  Link attr t (addHash s url, tit)
+fixInlineIRs s (Link as is ('#':url, tit)) =
+  Link (fixAttrs s as) is (addHash s url, tit)
+fixInlineIRs s (Link as is t) =
+  Link (fixAttrs s as) is t
 fixInlineIRs _ v = v
 
 prependHash :: [String] -> Inline -> Inline
-- 
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