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| author | John MacFarlane <fiddlosopher@gmail.com> | 2012-01-20 19:52:56 -0800 |
|---|---|---|
| committer | John MacFarlane <fiddlosopher@gmail.com> | 2012-01-20 19:52:56 -0800 |
| commit | b4a6c023431fcb313f04afa4c0d222c977c6d27c (patch) | |
| tree | ed5fde68d6af943a904ea257f85706f989650c39 /src/Text/Pandoc/PDF.hs | |
| parent | ce3653e39d3e3a57748c4922189eb9610d568051 (diff) | |
| download | pandoc-b4a6c023431fcb313f04afa4c0d222c977c6d27c.tar.gz | |
PDF: Better error message.
Diffstat (limited to 'src/Text/Pandoc/PDF.hs')
| -rw-r--r-- | src/Text/Pandoc/PDF.hs | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/Text/Pandoc/PDF.hs b/src/Text/Pandoc/PDF.hs index defe70181..d547835b5 100644 --- a/src/Text/Pandoc/PDF.hs +++ b/src/Text/Pandoc/PDF.hs @@ -56,10 +56,11 @@ tex2pdf' :: FilePath -- ^ temp directory for output -> IO (Either ByteString ByteString) tex2pdf' tmpDir program source = do (exit, log', mbPdf) <- runTeXProgram program 3 tmpDir source + let msg = "Error producing PDF from TeX source." case (exit, mbPdf) of - (ExitFailure _, _) -> return $ Left $ extractMsg log' - (ExitSuccess, Nothing) -> return $ Left - "tex2pdf: ExitSuccess but no PDF created!" + (ExitFailure _, _) -> return $ Left $ + msg <> "\n" <> extractMsg log' + (ExitSuccess, Nothing) -> return $ Left msg (ExitSuccess, Just pdf) -> return $ Right pdf data TeXProgram = PDFLaTeX @@ -70,6 +71,9 @@ data TeXProgram = PDFLaTeX | PDFTeX deriving (Show, Read) +(<>) :: ByteString -> ByteString -> ByteString +(<>) = B.append + -- parsing output extractMsg :: ByteString -> ByteString |