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Give better error messages when someone tries to convert pdf, doc, odt.

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Closes #1683.
This commit is contained in:
John MacFarlane
2014-10-19 16:59:59 -07:00
parent d7169c715d
commit 6eda32871f
1 changed files with 12 additions and 1 deletions
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pandoc.hs
+12 -1
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@@ -930,6 +930,9 @@ defaultReaderName fallback (x:xs) =
".docx" -> "docx"
".t2t" -> "t2t"
".epub" -> "epub"
".odt" -> "odt" -- so we get an "unknown reader" error
".pdf" -> "pdf" -- so we get an "unknown reader" error
".doc" -> "doc" -- so we get an "unknown reader" error
_ -> defaultReaderName fallback xs
-- Returns True if extension of first source is .lhs
@@ -1148,7 +1151,15 @@ main = do
(getT2TMeta sources outputFile)
else case getReader readerName' of
Right r -> return r
Left e -> err 7 e
Left e -> err 7 e'
where e' = case readerName' of
"odt" -> e ++
"\nPandoc can convert to ODT, but not from ODT.\nTry using LibreOffice to export as HTML, and convert that with pandoc."
"pdf" -> e ++
"\nPandoc can convert to PDF, but not from PDF."
"doc" -> e ++
"\nPandoc can convert from DOCX, but not from DOC.\nTry using Word to save your DOC file as DOCX, and convert that with pandoc."
_ -> e
let standalone' = standalone || not (isTextFormat writerName') || pdfOutput