diff options
Diffstat (limited to 'src/Text/Pandoc/Readers/Org.hs')
| -rw-r--r-- | src/Text/Pandoc/Readers/Org.hs | 78 |
1 files changed, 61 insertions, 17 deletions
diff --git a/src/Text/Pandoc/Readers/Org.hs b/src/Text/Pandoc/Readers/Org.hs index 27a8fe957..99a6927e2 100644 --- a/src/Text/Pandoc/Readers/Org.hs +++ b/src/Text/Pandoc/Readers/Org.hs @@ -2,7 +2,7 @@ {-# LANGUAGE GeneralizedNewtypeDeriving #-} {-# LANGUAGE MultiParamTypeClasses, FlexibleContexts, FlexibleInstances #-} {- -Copyright (C) 2014-2015 Albert Krewinkel <tarleb@moltkeplatz.de> +Copyright (C) 2014-2015 Albert Krewinkel <tarleb+pandoc@moltkeplatz.de> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -21,10 +21,10 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA {- | Module : Text.Pandoc.Readers.Org - Copyright : Copyright (C) 2014 Albert Krewinkel + Copyright : Copyright (C) 2014-2015 Albert Krewinkel License : GNU GPL, version 2 or above - Maintainer : Albert Krewinkel <tarleb@moltkeplatz.de> + Maintainer : Albert Krewinkel <tarleb+pandoc@moltkeplatz.de> Conversion of org-mode formatted plain text to 'Pandoc' document. -} @@ -34,6 +34,7 @@ import qualified Text.Pandoc.Builder as B import Text.Pandoc.Builder ( Inlines, Blocks, HasMeta(..), trimInlines ) import Text.Pandoc.Definition +import Text.Pandoc.Compat.Monoid ((<>)) import Text.Pandoc.Options import qualified Text.Pandoc.Parsing as P import Text.Pandoc.Parsing hiding ( F, unF, askF, asksF, runF @@ -140,6 +141,7 @@ data OrgParserState = OrgParserState , orgStateMeta :: Meta , orgStateMeta' :: F Meta , orgStateNotes' :: OrgNoteTable + , orgStateParserContext :: ParserContext , orgStateIdentifiers :: [String] , orgStateHeaderMap :: M.Map Inlines String } @@ -181,6 +183,7 @@ defaultOrgParserState = OrgParserState , orgStateMeta = nullMeta , orgStateMeta' = return nullMeta , orgStateNotes' = [] + , orgStateParserContext = NullState , orgStateIdentifiers = [] , orgStateHeaderMap = M.empty } @@ -291,6 +294,23 @@ blanklines = <* updateLastPreCharPos <* updateLastForbiddenCharPos +-- | Succeeds when we're in list context. +inList :: OrgParser () +inList = do + ctx <- orgStateParserContext <$> getState + guard (ctx == ListItemState) + +-- | Parse in different context +withContext :: ParserContext -- ^ New parser context + -> OrgParser a -- ^ Parser to run in that context + -> OrgParser a +withContext context parser = do + oldContext <- orgStateParserContext <$> getState + updateState $ \s -> s{ orgStateParserContext = context } + result <- parser + updateState $ \s -> s{ orgStateParserContext = oldContext } + return result + -- -- parsing blocks -- @@ -513,10 +533,16 @@ rundocBlockClass :: String rundocBlockClass = rundocPrefix ++ "block" blockOption :: OrgParser (String, String) -blockOption = try $ (,) <$> orgArgKey <*> orgParamValue +blockOption = try $ do + argKey <- orgArgKey + paramValue <- option "yes" orgParamValue + return (argKey, paramValue) inlineBlockOption :: OrgParser (String, String) -inlineBlockOption = try $ (,) <$> orgArgKey <*> orgInlineParamValue +inlineBlockOption = try $ do + argKey <- orgArgKey + paramValue <- option "yes" orgInlineParamValue + return (argKey, paramValue) orgArgKey :: OrgParser String orgArgKey = try $ @@ -525,11 +551,17 @@ orgArgKey = try $ orgParamValue :: OrgParser String orgParamValue = try $ - skipSpaces *> many1 (noneOf "\t\n\r ") <* skipSpaces + skipSpaces + *> notFollowedBy (char ':' ) + *> many1 (noneOf "\t\n\r ") + <* skipSpaces orgInlineParamValue :: OrgParser String orgInlineParamValue = try $ - skipSpaces *> many1 (noneOf "\t\n\r ]") <* skipSpaces + skipSpaces + *> notFollowedBy (char ':') + *> many1 (noneOf "\t\n\r ]") + <* skipSpaces orgArgWordChar :: OrgParser Char orgArgWordChar = alphaNum <|> oneOf "-_" @@ -699,7 +731,7 @@ headerTags = try $ headerStart :: OrgParser Int headerStart = try $ - (length <$> many1 (char '*')) <* many1 (char ' ') + (length <$> many1 (char '*')) <* many1 (char ' ') <* updateLastPreCharPos -- Don't use (or need) the reader wrapper here, we want hline to be @@ -891,9 +923,13 @@ noteBlock = try $ do paraOrPlain :: OrgParser (F Blocks) paraOrPlain = try $ do ils <- parseInlines - nl <- option False (newline >> return True) - try (guard nl >> notFollowedBy (orderedListStart <|> bulletListStart) >> - return (B.para <$> ils)) + nl <- option False (newline *> return True) + -- Read block as paragraph, except if we are in a list context and the block + -- is directly followed by a list item, in which case the block is read as + -- plain text. + try (guard nl + *> notFollowedBy (inList *> (orderedListStart <|> bulletListStart)) + *> return (B.para <$> ils)) <|> (return (B.plain <$> ils)) inlinesTillNewline :: OrgParser (F Inlines) @@ -958,19 +994,22 @@ definitionListItem :: OrgParser Int -> OrgParser (F (Inlines, [Blocks])) definitionListItem parseMarkerGetLength = try $ do markerLength <- parseMarkerGetLength - term <- manyTill (noneOf "\n\r") (try $ string "::") + term <- manyTill (noneOf "\n\r") (try definitionMarker) line1 <- anyLineNewline blank <- option "" ("\n" <$ blankline) cont <- concat <$> many (listContinuation markerLength) term' <- parseFromString parseInlines term contents' <- parseFromString parseBlocks $ line1 ++ blank ++ cont return $ (,) <$> term' <*> fmap (:[]) contents' + where + definitionMarker = + spaceChar *> string "::" <* (spaceChar <|> lookAhead P.newline) -- parse raw text for one list item, excluding start marker and continuations listItem :: OrgParser Int -> OrgParser (F Blocks) -listItem start = try $ do +listItem start = try . withContext ListItemState $ do markerLength <- try start firstLine <- anyLineNewline blank <- option "" ("\n" <$ blankline) @@ -1064,7 +1103,7 @@ endline = try $ do decEmphasisNewlinesCount guard =<< newlinesCountWithinLimits updateLastPreCharPos - return . return $ B.space + return . return $ B.softbreak cite :: OrgParser (F Inlines) cite = try $ do @@ -1549,8 +1588,11 @@ smart :: OrgParser (F Inlines) smart = do getOption readerSmart >>= guard doubleQuoted <|> singleQuoted <|> - choice (map (return <$>) [orgApostrophe, dash, ellipses]) - where orgApostrophe = + choice (map (return <$>) [orgApostrophe, orgDash, orgEllipses]) + where + orgDash = dash <* updatePositions '-' + orgEllipses = ellipses <* updatePositions '.' + orgApostrophe = (char '\'' <|> char '\8217') <* updateLastPreCharPos <* updateLastForbiddenCharPos *> return (B.str "\x2019") @@ -1558,9 +1600,10 @@ smart = do singleQuoted :: OrgParser (F Inlines) singleQuoted = try $ do singleQuoteStart + updatePositions '\'' withQuoteContext InSingleQuote $ fmap B.singleQuoted . trimInlinesF . mconcat <$> - many1Till inline singleQuoteEnd + many1Till inline (singleQuoteEnd <* updatePositions '\'') -- doubleQuoted will handle regular double-quoted sections, as well -- as dialogues with an open double-quote without a close double-quote @@ -1568,6 +1611,7 @@ singleQuoted = try $ do doubleQuoted :: OrgParser (F Inlines) doubleQuoted = try $ do doubleQuoteStart + updatePositions '"' contents <- mconcat <$> many (try $ notFollowedBy doubleQuoteEnd >> inline) (withQuoteContext InDoubleQuote $ (doubleQuoteEnd <* updateLastForbiddenCharPos) >> return (fmap B.doubleQuoted . trimInlinesF $ contents)) |