diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/Text/Pandoc/Parsing.hs | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/src/Text/Pandoc/Parsing.hs b/src/Text/Pandoc/Parsing.hs index 82a043f53..14a77b415 100644 --- a/src/Text/Pandoc/Parsing.hs +++ b/src/Text/Pandoc/Parsing.hs @@ -199,7 +199,7 @@ where import Prelude import Control.Monad.Identity import Control.Monad.Reader -import Data.Char (chr, isAlphaNum, isAscii, isAsciiUpper, isHexDigit, +import Data.Char (chr, isAlphaNum, isAscii, isAsciiUpper, isPunctuation, isSpace, ord, toLower, toUpper) import Data.Default import Data.List (intercalate, isSuffixOf, transpose) @@ -591,25 +591,24 @@ uri = try $ do -- http://en.wikipedia.org/wiki/State_of_emergency_(disambiguation) -- as a URL, while NOT picking up the closing paren in -- (http://wikipedia.org). So we include balanced parens in the URL. - let isWordChar c = isAlphaNum c || c `elem` "#$%+/@\\_-&=" - let wordChar = satisfy isWordChar - let percentEscaped = try $ char '%' >> skipMany1 (satisfy isHexDigit) - let entity = () <$ characterReference - let punct = skipMany1 (char ',') - <|> () <$ satisfy (\c -> not (isSpace c) && c /= '<' && c /= '>') - let uriChunk = skipMany1 wordChar - <|> percentEscaped - <|> entity - <|> try (punct >> - lookAhead (void (satisfy isWordChar) <|> percentEscaped)) - str <- snd <$> withRaw (skipMany1 ( () <$ - (enclosed (char '(') (char ')') uriChunk - <|> enclosed (char '{') (char '}') uriChunk - <|> enclosed (char '[') (char ']') uriChunk) - <|> uriChunk)) + str <- concat <$> many1 (uriChunkBetween '(' ')' + <|> uriChunkBetween '{' '}' + <|> uriChunkBetween '[' ']' + <|> uriChunk) str' <- option str $ char '/' >> return (str ++ "/") let uri' = scheme ++ ":" ++ fromEntities str' return (uri', escapeURI uri') + where + wordChar = alphaNum <|> oneOf "#$%+/@\\_-&=" + percentEscaped = try $ (:) <$> char '%' <*> many1 hexDigit + entity = try $ pure <$> characterReference + punct = try $ many1 (char ',') <|> fmap pure (satisfy (\c -> not (isSpace c) && c /= '<' && c /= '>')) + uriChunk = many1 wordChar + <|> percentEscaped + <|> entity + <|> try (punct <* lookAhead (void wordChar <|> void percentEscaped)) + uriChunkBetween l r = try $ do chunk <- between (char l) (char r) uriChunk + return ([l] ++ chunk ++ [r]) mathInlineWith :: Stream s m Char => String -> String -> ParserT s st m String mathInlineWith op cl = try $ do |