diff options
Diffstat (limited to 'src/Text/Pandoc')
| -rw-r--r-- | src/Text/Pandoc/Parsing.hs | 5 | ||||
| -rw-r--r-- | src/Text/Pandoc/Readers/RST.hs | 30 |
2 files changed, 23 insertions, 12 deletions
diff --git a/src/Text/Pandoc/Parsing.hs b/src/Text/Pandoc/Parsing.hs index bee96be82..bf4519a4f 100644 --- a/src/Text/Pandoc/Parsing.hs +++ b/src/Text/Pandoc/Parsing.hs @@ -71,6 +71,7 @@ module Text.Pandoc.Parsing ( (>>~), NoteTable, NoteTable', KeyTable, + SubstTable, Key (..), toKey, smartPunctuation, @@ -720,6 +721,7 @@ data ParserState = ParserState stateMaxNestingLevel :: Int, -- ^ Max # of nested Strong/Emph stateLastStrPos :: Maybe SourcePos, -- ^ Position after last str parsed stateKeys :: KeyTable, -- ^ List of reference keys (with fallbacks) + stateSubstitutions :: SubstTable, -- ^ List of substitution references stateNotes :: NoteTable, -- ^ List of notes (raw bodies) stateNotes' :: NoteTable', -- ^ List of notes (parsed bodies) stateTitle :: [Inline], -- ^ Title of document @@ -745,6 +747,7 @@ defaultParserState = stateMaxNestingLevel = 6, stateLastStrPos = Nothing, stateKeys = M.empty, + stateSubstitutions = M.empty, stateNotes = [], stateNotes' = [], stateTitle = [], @@ -795,6 +798,8 @@ toKey = Key . map toLower . unwords . words type KeyTable = M.Map Key Target +type SubstTable = M.Map Key Inline + -- | Fail unless we're in "smart typography" mode. failUnlessSmart :: Parser [tok] ParserState () failUnlessSmart = getOption readerSmart >>= guard diff --git a/src/Text/Pandoc/Readers/RST.hs b/src/Text/Pandoc/Readers/RST.hs index 4527dba14..42a259538 100644 --- a/src/Text/Pandoc/Readers/RST.hs +++ b/src/Text/Pandoc/Readers/RST.hs @@ -95,8 +95,8 @@ parseRST = do startPos <- getPosition -- go through once just to get list of reference keys and notes -- docMinusKeys is the raw document with blanks where the keys were... - docMinusKeys <- manyTill (referenceKey <|> noteBlock <|> lineClump) eof >>= - return . concat + docMinusKeys <- manyTill (referenceKey <|> imageKey <|> + noteBlock <|> lineClump) eof >>= return . concat setInput docMinusKeys setPosition startPos st' <- getState @@ -652,7 +652,7 @@ referenceName = quotedReferenceName <|> referenceKey :: Parser [Char] ParserState [Char] referenceKey = do startPos <- getPosition - (key, target) <- choice [imageKey, anonymousKey, regularKey] + (key, target) <- choice [anonymousKey, regularKey] st <- getState let oldkeys = stateKeys st updateState $ \s -> s { stateKeys = M.insert key target oldkeys } @@ -670,14 +670,21 @@ targetURI = do blanklines return $ escapeURI $ removeLeadingTrailingSpace $ contents -imageKey :: Parser [Char] ParserState (Key, Target) +imageKey :: Parser [Char] ParserState [Char] imageKey = try $ do + startPos <- getPosition string ".. |" - (_,ref) <- withRaw (manyTill inline (char '|')) + (alt,ref) <- withRaw (manyTill inline (char '|')) skipSpaces string "image::" src <- targetURI - return (toKey $ init ref, (src, "")) + let img = Image alt (src,"") + let key = toKey $ init ref + updateState $ \s -> s{ stateSubstitutions = M.insert key img $ stateSubstitutions s } + optional blanklines + endPos <- getPosition + -- return enough blanks to replace key + return $ replicate (sourceLine endPos - sourceLine startPos) '\n' anonymousKey :: Parser [Char] st (Key, Target) anonymousKey = try $ do @@ -965,13 +972,12 @@ autoLink = autoURI <|> autoEmail image :: Parser [Char] ParserState Inline image = try $ do char '|' - (alt,ref) <- withRaw (manyTill inline (char '|')) + (_,ref) <- withRaw (manyTill inline (char '|')) state <- getState - let keyTable = stateKeys state - (src,tit) <- case M.lookup (toKey $ init ref) keyTable of - Nothing -> fail "no corresponding key" - Just target -> return target - return $ Image (normalizeSpaces alt) (src, tit) + let substTable = stateSubstitutions state + case M.lookup (toKey $ init ref) substTable of + Nothing -> fail "no corresponding key" + Just target -> return target note :: Parser [Char] ParserState Inline note = try $ do |