diff options
Diffstat (limited to 'src/Text/Pandoc/Readers/RST.hs')
| -rw-r--r-- | src/Text/Pandoc/Readers/RST.hs | 53 |
1 files changed, 44 insertions, 9 deletions
diff --git a/src/Text/Pandoc/Readers/RST.hs b/src/Text/Pandoc/Readers/RST.hs index fb5f6f2d4..2daf60a89 100644 --- a/src/Text/Pandoc/Readers/RST.hs +++ b/src/Text/Pandoc/Readers/RST.hs @@ -31,7 +31,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Conversion from reStructuredText to 'Pandoc' document. -} module Text.Pandoc.Readers.RST ( readRST ) where -import Control.Monad (guard, liftM, mzero, when) +import Control.Monad (guard, liftM, mzero, when, forM_) import Control.Monad.Identity (Identity(..)) import Control.Monad.Except (throwError) import Data.Char (isHexDigit, isSpace, toLower, toUpper) @@ -68,7 +68,7 @@ readRST :: PandocMonad m -> m Pandoc readRST opts s = do parsed <- (readWithM parseRST) def{ stateOptions = opts } - (T.unpack s ++ "\n\n") + (T.unpack (crFilter s) ++ "\n\n") case parsed of Right result -> return result Left e -> throwError e @@ -170,7 +170,8 @@ parseRST = do -- go through once just to get list of reference keys and notes -- docMinusKeys is the raw document with blanks where the keys were... docMinusKeys <- concat <$> - manyTill (referenceKey <|> noteBlock <|> citationBlock <|> + manyTill (referenceKey <|> anchorDef <|> + noteBlock <|> citationBlock <|> headerBlock <|> lineClump) eof setInput docMinusKeys setPosition startPos @@ -217,6 +218,7 @@ block = choice [ codeBlock , fieldList , include , directive + , anchor , comment , header , hrule @@ -1054,16 +1056,49 @@ stripTicks = reverse . stripTick . reverse . stripTick where stripTick ('`':xs) = xs stripTick xs = xs +referenceNames :: PandocMonad m => RSTParser m [String] +referenceNames = do + let rn = try $ do + string ".. _" + (_, ref) <- withRaw referenceName + char ':' + return ref + first <- rn + rest <- many (try (blanklines *> rn)) + return (first:rest) + regularKey :: PandocMonad m => RSTParser m () regularKey = try $ do - string ".. _" - (_,ref) <- withRaw referenceName - char ':' + -- we allow several references to the same URL, e.g. + -- .. _hello: + -- .. _goodbye: url.com + refs <- referenceNames src <- targetURI - let key = toKey $ stripTicks ref + guard $ not (null src) --TODO: parse width, height, class and name attributes - updateState $ \s -> s { stateKeys = M.insert key ((src,""), nullAttr) $ - stateKeys s } + let keys = map (toKey . stripTicks) refs + forM_ keys $ \key -> + updateState $ \s -> s { stateKeys = M.insert key ((src,""), nullAttr) $ + stateKeys s } + +anchorDef :: PandocMonad m => RSTParser m [Char] +anchorDef = try $ do + (refs, raw) <- withRaw (try (referenceNames <* blanklines)) + let keys = map stripTicks refs + forM_ keys $ \rawkey -> + updateState $ \s -> s { stateKeys = + M.insert (toKey rawkey) (('#':rawkey,""), nullAttr) $ stateKeys s } + -- keep this for 2nd round of parsing, where we'll add the divs (anchor) + return raw + +anchor :: PandocMonad m => RSTParser m Blocks +anchor = try $ do + refs <- referenceNames + blanklines + b <- block + -- put identifier on next block: + let addDiv ref = B.divWith (ref, [], []) + return $ foldr addDiv b refs headerBlock :: PandocMonad m => RSTParser m [Char] headerBlock = do |