diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Text/Pandoc/PDF.hs | 50 |
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 |