diff options
Diffstat (limited to 'src/Text/Pandoc')
| -rw-r--r-- | src/Text/Pandoc/Readers/Man.hs | 122 |
1 files changed, 58 insertions, 64 deletions
diff --git a/src/Text/Pandoc/Readers/Man.hs b/src/Text/Pandoc/Readers/Man.hs index 280acb9c4..d04718fc7 100644 --- a/src/Text/Pandoc/Readers/Man.hs +++ b/src/Text/Pandoc/Readers/Man.hs @@ -38,22 +38,22 @@ import Control.Monad (liftM, void) import Control.Monad.Except (throwError) import Data.Char (isDigit, isUpper, isLower) import Data.Default (Default) -import Data.Functor (($>)) import Data.Map (insert) -import Data.Set (Set, singleton, fromList, toList) +import Data.Set (Set, singleton) +import qualified Data.Set as S (fromList, toList) import Data.Maybe (catMaybes, fromMaybe, isNothing) import Data.List (intersperse, intercalate) import qualified Data.Text as T import Text.Pandoc.Class (PandocMonad(..)) -import Text.Pandoc.Definition +import Text.Pandoc.Builder as B hiding (singleton) import Text.Pandoc.Error (PandocError (PandocParsecError)) import Text.Pandoc.Logging (LogMessage(..)) import Text.Pandoc.Options import Text.Pandoc.Parsing import Text.Pandoc.Shared (crFilter) -import Text.Parsec hiding (tokenPrim) -import Text.Parsec.Char () +import Text.Parsec hiding (tokenPrim, space) +import qualified Text.Parsec as Parsec import Text.Parsec.Pos (updatePosString) -- @@ -158,14 +158,10 @@ parseMan :: PandocMonad m => ManParser m Pandoc parseMan = do let parsers = [ try parseList, parseTitle, parsePara, parseSkippedContent , try parseCodeBlock, parseHeader, parseSkipMacro] - blocks <- many $ choice parsers - parserst <- getState - return $ Pandoc (stateMeta parserst) (filter (not . isNull) blocks) - - where - - isNull Null = True - isNull _ = False + bs <- many $ choice parsers + let (Pandoc _ blocks) = doc $ mconcat bs + meta <- stateMeta <$> getState + return $ Pandoc meta blocks eofline :: Stream s m Char => ParsecT s u m () eofline = void newline <|> eof @@ -216,7 +212,7 @@ escapeLexer = do fs <- many letterFontKind many letter char ']' - return $ fromList fs + return $ S.fromList fs letterFontKind :: PandocMonad m => ManLexer m FontKind letterFontKind = choice [ @@ -240,7 +236,7 @@ currentFont = fontKind <$> getState lexComment :: PandocMonad m => ManLexer m ManToken lexComment = do try $ string ".\\\"" - many space + many Parsec.space body <- many $ noneOf "\n" char '\n' return $ MComment body @@ -265,7 +261,7 @@ lexMacro = do "fi" -> knownMacro KCodeBlEnd "B" -> MStr (joinedArgs, singleton Bold) "BR" -> MMaybeLink joinedArgs - x | x `elem` ["BI", "IB"] -> MStr (joinedArgs, fromList [Italic, Bold]) + x | x `elem` ["BI", "IB"] -> MStr (joinedArgs, S.fromList [Italic, Bold]) x | x `elem` ["I", "IR", "RI"] -> MStr (joinedArgs, singleton Italic) "SH" -> MHeader 2 args "SS" -> MHeader 3 args @@ -403,15 +399,15 @@ mcomment = msatisfy isMComment where -- ManToken -> Block functions -- -parseTitle :: PandocMonad m => ManParser m Block +parseTitle :: PandocMonad m => ManParser m Blocks parseTitle = do (MMacro _ args) <- mmacro KTitle if null args - then return Null + then return mempty else do let mantitle = fst $ head args modifyState (changeTitle mantitle) - return $ Header 1 nullAttr [Str mantitle] + return $ header 1 $ str mantitle where changeTitle title pst = let meta = stateMeta pst @@ -419,11 +415,11 @@ parseTitle = do in pst {stateMeta = metaUp} -parseSkippedContent :: PandocMonad m => ManParser m Block +parseSkippedContent :: PandocMonad m => ManParser m Blocks parseSkippedContent = do tok <- munknownMacro <|> mcomment <|> memplyLine onToken tok - return Null + return mempty where @@ -433,50 +429,50 @@ parseSkippedContent = do logMessage $ SkippedContent ("Unknown macro: " ++ mname) pos onToken _ = return () -strToInline :: RoffStr -> Inline -strToInline (s, fonts) = inner $ toList fonts where - inner :: [FontKind] -> Inline - inner [] = Str s - inner (Bold:fs) = Strong [inner fs] - inner (Italic:fs) = Emph [inner fs] +strToInlines :: RoffStr -> Inlines +strToInlines (s, fonts) = inner $ S.toList fonts where + inner :: [FontKind] -> Inlines + inner [] = str s + inner (Bold:fs) = strong $ inner fs + inner (Italic:fs) = emph $ inner fs -- Monospace goes after Bold and Italic in ordered set - inner (Monospace:_) = Code nullAttr s + inner (Monospace:_) = code s inner (Regular:fs) = inner fs -parsePara :: PandocMonad m => ManParser m Block -parsePara = Para <$> parseInlines +parsePara :: PandocMonad m => ManParser m Blocks +parsePara = para <$> parseInlines -parseInlines :: PandocMonad m => ManParser m [Inline] +parseInlines :: PandocMonad m => ManParser m Inlines parseInlines = do inls <- many1 (strInl <|> lineInl <|> linkInl <|> comment) - let withspaces = intersperse [Space] inls - return $ concat withspaces + let withspaces = intersperse B.space inls + return $ mconcat withspaces where - strInl :: PandocMonad m => ManParser m [Inline] + strInl :: PandocMonad m => ManParser m Inlines strInl = do (MStr rstr) <- mstr - return [strToInline rstr] + return $ strToInlines rstr - lineInl :: PandocMonad m => ManParser m [Inline] + lineInl :: PandocMonad m => ManParser m Inlines lineInl = do (MLine fragments) <- mline - return $ strToInline <$> fragments + return $ mconcat $ strToInlines <$> fragments - linkInl :: PandocMonad m => ManParser m [Inline] + linkInl :: PandocMonad m => ManParser m Inlines linkInl = do (MMaybeLink txt) <- mmaybeLink let inls = case runParser linkParser () "" txt of Right lnk -> lnk - Left _ -> [Strong [Str txt]] + Left _ -> strong $ str txt return inls where -- assuming man pages are generated from Linux-like repository - linkParser :: Parsec String () [Inline] + linkParser :: Parsec String () Inlines linkParser = do mpage <- many1 (alphaNum <|> char '_') spacetab @@ -485,21 +481,19 @@ parseInlines = do char ')' other <- many anyChar let manurl pagename section = "../"++section++"/"++pagename++"."++section - return $ [ Link nullAttr [Strong [Str mpage]] (manurl mpage [mansect], mpage) - , Strong [Str $ " ("++[mansect] ++ ")" - , Str other] - ] + lnkInls = link (manurl mpage [mansect]) mpage (strong $ str mpage) + return $ lnkInls <> strong (str (" ("++[mansect] ++ ")") <> str other) - comment :: PandocMonad m => ManParser m [Inline] - comment = mcomment >> return [] + comment :: PandocMonad m => ManParser m Inlines + comment = mcomment >> return mempty -parseCodeBlock :: PandocMonad m => ManParser m Block +parseCodeBlock :: PandocMonad m => ManParser m Blocks parseCodeBlock = do mmacro KCodeBlStart toks <- many (mstr <|> mline <|> mmaybeLink <|> memplyLine <|> munknownMacro <|> mcomment) mmacro KCodeBlEnd - return $ CodeBlock nullAttr (intercalate "\n" . catMaybes $ extractText <$> toks) + return $ codeBlock (intercalate "\n" . catMaybes $ extractText <$> toks) where @@ -510,14 +504,14 @@ parseCodeBlock = do extractText MEmptyLine = Just "" -- string are intercalated with '\n', this prevents double '\n' extractText _ = Nothing -parseHeader :: PandocMonad m => ManParser m Block +parseHeader :: PandocMonad m => ManParser m Blocks parseHeader = do (MHeader lvl ss) <- mheader - return $ Header lvl nullAttr $ intersperse Space $ strToInline <$> ss + return $ header lvl (mconcat $ intersperse B.space $ strToInlines <$> ss) -type ListBuilder = [[Block]] -> Block +type ListBuilder = [Blocks] -> Blocks -parseList :: PandocMonad m => ManParser m Block +parseList :: PandocMonad m => ManParser m Blocks parseList = do xx <- many1 paras let bls = map snd xx @@ -526,13 +520,13 @@ parseList = do where - macroIPInl :: [RoffStr] -> [Inline] - macroIPInl (x:_:[]) = [strToInline x, Space] - macroIPInl _ = [] + macroIPInl :: [RoffStr] -> Inlines + macroIPInl (x:_:[]) = strToInlines x <> B.space + macroIPInl _ = mempty listKind :: [RoffStr] -> Maybe ListBuilder listKind (((c:_), _):_:[]) = - let params style = OrderedList (1, style, DefaultDelim) + let params style = orderedListWith (1, style, DefaultDelim) in case c of _ | isDigit c -> Just $ params Decimal _ | isUpper c -> Just $ params UpperAlpha @@ -541,18 +535,18 @@ parseList = do listKind _ = Nothing - paras :: PandocMonad m => ManParser m (ListBuilder, [Block]) + paras :: PandocMonad m => ManParser m (ListBuilder, Blocks) paras = do (MMacro _ args) <- mmacro KTab let lbuilderOpt = listKind args - lbuilder = fromMaybe BulletList lbuilderOpt + lbuilder = fromMaybe bulletList lbuilderOpt macroinl = macroIPInl args inls <- parseInlines - let parainls = if isNothing lbuilderOpt then macroinl ++ inls else inls - subls <- many sublist - return $ (lbuilder, (Plain parainls) : subls) + let parainls = if isNothing lbuilderOpt then macroinl <> inls else inls + subls <- mconcat <$> many sublist + return $ (lbuilder, plain parainls <> subls) - sublist :: PandocMonad m => ManParser m Block + sublist :: PandocMonad m => ManParser m Blocks sublist = do mmacro KSubTab bl <- parseList @@ -560,5 +554,5 @@ parseList = do return bl -- In case of weird man file it will be parsed succesfully -parseSkipMacro :: PandocMonad m => ManParser m Block -parseSkipMacro = mmacroAny >> return Null +parseSkipMacro :: PandocMonad m => ManParser m Blocks +parseSkipMacro = mmacroAny >> mempty |