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-rw-r--r--src/Text/Pandoc/PDF.hs50
1 files changed, 11 insertions, 39 deletions
diff --git a/src/Text/Pandoc/PDF.hs b/src/Text/Pandoc/PDF.hs
index 696dbacf0..240da3ef0 100644
--- a/src/Text/Pandoc/PDF.hs
+++ b/src/Text/Pandoc/PDF.hs
@@ -34,14 +34,13 @@ module Text.Pandoc.PDF ( makePDF ) where
import qualified Codec.Picture as JP
import qualified Control.Exception as E
-import Control.Monad (unless, when, (<=<))
+import Control.Monad (unless, when)
import Control.Monad.Trans (MonadIO (..))
import qualified Data.ByteString as BS
import Data.ByteString.Lazy (ByteString)
import qualified Data.ByteString.Lazy as B
import qualified Data.ByteString.Lazy as BL
import qualified Data.ByteString.Lazy.Char8 as BC
-import Data.Digest.Pure.SHA (sha1, showDigest)
import Data.List (isInfixOf)
import Data.Maybe (fromMaybe)
import Data.Monoid ((<>))
@@ -53,7 +52,7 @@ import System.IO (stdout)
import System.IO.Temp (withTempDirectory, withTempFile)
import Text.Pandoc.Definition
import Text.Pandoc.MediaBag
-import Text.Pandoc.MIME (extensionFromMimeType, getMimeType)
+import Text.Pandoc.MIME (getMimeType)
import Text.Pandoc.Options (HTMLMathMethod (..), WriterOptions (..))
import Text.Pandoc.Process (pipeProcess)
import Text.Pandoc.Shared (inDirectory, stringify, withTempDir)
@@ -63,8 +62,8 @@ import Text.Pandoc.Writers.Shared (getField, metaToJSON)
#ifdef _WINDOWS
import Data.List (intercalate)
#endif
-import Text.Pandoc.Class (PandocIO, fetchItem, report, runIO, runIOorExplode,
- setMediaBag, setVerbosity)
+import Text.Pandoc.Class (PandocIO, report, runIO, runIOorExplode,
+ setMediaBag, setVerbosity, fillMedia, extractMedia)
import Text.Pandoc.Logging
#ifdef _WINDOWS
@@ -135,40 +134,13 @@ handleImages :: Verbosity
-> FilePath -- ^ temp dir to store images
-> Pandoc -- ^ document
-> IO Pandoc
-handleImages verbosity opts mediabag tmpdir =
- walkM (convertImages verbosity tmpdir) <=<
- walkM (handleImage' verbosity opts mediabag tmpdir)
-
-handleImage' :: Verbosity
- -> WriterOptions
- -> MediaBag
- -> FilePath
- -> Inline
- -> IO Inline
-handleImage' verbosity opts mediabag tmpdir (Image attr ils (src,tit)) = do
- exists <- doesFileExist src
- if exists
- then return $ Image attr ils (src,tit)
- else do
- res <- runIO $ do
- setVerbosity verbosity
- setMediaBag mediabag
- fetchItem (writerSourceURL opts) src
- case res of
- Right (contents, Just mime) -> do
- let ext = fromMaybe (takeExtension src) $
- extensionFromMimeType mime
- let basename = showDigest $ sha1 $ BL.fromChunks [contents]
- let fname = tmpdir </> basename <.> ext
- BS.writeFile fname contents
- return $ Image attr ils (fname,tit)
- _ -> do
- runIO $ do
- setVerbosity verbosity
- report $ CouldNotFetchResource src "skipping..."
- -- return alt text
- return $ Emph ils
-handleImage' _ _ _ _ x = return x
+handleImages verbosity opts mediabag tmpdir doc = do
+ doc' <- runIOorExplode $ do
+ setVerbosity verbosity
+ setMediaBag mediabag
+ fillMedia (writerSourceURL opts) doc >>=
+ extractMedia tmpdir
+ walkM (convertImages verbosity tmpdir) doc'
convertImages :: Verbosity -> FilePath -> Inline -> IO Inline
convertImages verbosity tmpdir (Image attr ils (src, tit)) = do