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| author | John MacFarlane <jgm@berkeley.edu> | 2014-12-14 13:36:34 -0800 |
|---|---|---|
| committer | John MacFarlane <jgm@berkeley.edu> | 2014-12-14 13:36:34 -0800 |
| commit | 1d3ca088f257a131e44b735a5f99e93c7d5c5cfd (patch) | |
| tree | 5308620d54f06a59cce1c5c0eaedb46d0aebd06c /src/Text/Pandoc | |
| parent | 2b08e32a9090442b530822f151c94fbd7d1cbbd1 (diff) | |
| parent | 4d85b17fc5aa007cb2870fa9904af3fedf4a537e (diff) | |
Merge pull request #1813 from tarleb/file-links
Org reader: properly handle links to `file:target`
Diffstat (limited to 'src/Text/Pandoc')
| -rw-r--r-- | src/Text/Pandoc/Readers/Org.hs | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/src/Text/Pandoc/Readers/Org.hs b/src/Text/Pandoc/Readers/Org.hs index 579e38a38..440b6d144 100644 --- a/src/Text/Pandoc/Readers/Org.hs +++ b/src/Text/Pandoc/Readers/Org.hs @@ -1142,20 +1142,25 @@ applyCustomLinkFormat link = do formatter <- M.lookup linkType <$> asksF orgStateLinkFormatters return $ maybe link ($ drop 1 rest) formatter +-- TODO: might be a lot smarter/cleaner to use parsec and ADTs for this kind +-- of parsing. linkToInlinesF :: String -> Inlines -> F Inlines linkToInlinesF s = case s of "" -> pure . B.link "" "" ('#':_) -> pure . B.link s "" _ | isImageFilename s -> const . pure $ B.image s "" "" + _ | isFileLink s -> pure . B.link (dropLinkType s) "" _ | isUri s -> pure . B.link s "" - _ | isRelativeFilePath s -> pure . B.link s "" _ | isAbsoluteFilePath s -> pure . B.link ("file://" ++ s) "" - _ -> \title -> do - anchorB <- (s `elem`) <$> asksF orgStateAnchorIds - if anchorB - then pure $ B.link ('#':s) "" title - else pure $ B.emph title + _ | isRelativeFilePath s -> pure . B.link s "" + _ -> internalLink s + +isFileLink :: String -> Bool +isFileLink s = ("file:" `isPrefixOf` s) && not ("file://" `isPrefixOf` s) + +dropLinkType :: String -> String +dropLinkType = tail . snd . break (== ':') isRelativeFilePath :: String -> Bool isRelativeFilePath s = (("./" `isPrefixOf` s) || ("../" `isPrefixOf` s)) && @@ -1178,6 +1183,13 @@ isImageFilename filename = imageExtensions = [ "jpeg" , "jpg" , "png" , "gif" , "svg" ] protocols = [ "file", "http", "https" ] +internalLink :: String -> Inlines -> F Inlines +internalLink link title = do + anchorB <- (link `elem`) <$> asksF orgStateAnchorIds + if anchorB + then return $ B.link ('#':link) "" title + else return $ B.emph title + -- | Parse an anchor like @<<anchor-id>>@ and return an empty span with -- @anchor-id@ set as id. Legal anchors in org-mode are defined through -- @org-target-regexp@, which is fairly liberal. Since no link is created if |