diff options
Diffstat (limited to 'src/Text/Pandoc/Readers')
| -rw-r--r-- | src/Text/Pandoc/Readers/Markdown.hs | 66 | ||||
| -rw-r--r-- | src/Text/Pandoc/Readers/RST.hs | 58 |
2 files changed, 25 insertions, 99 deletions
diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs index f6b4169ec..96e0f597f 100644 --- a/src/Text/Pandoc/Readers/Markdown.hs +++ b/src/Text/Pandoc/Readers/Markdown.hs @@ -717,7 +717,7 @@ dashedLine ch = do -- Parse a table header with dashed lines of '-' preceded by -- one (or zero) line of text. simpleTableHeader :: Bool -- ^ Headerless table - -> GenParser Char ParserState ([[Char]], [Alignment], [Int]) + -> GenParser Char ParserState ([[Block]], [Alignment], [Int]) simpleTableHeader headless = try $ do rawContent <- if headless then return "" @@ -736,7 +736,9 @@ simpleTableHeader headless = try $ do let rawHeads' = if headless then replicate (length dashes) "" else rawHeads - return (rawHeads', aligns, indices) + heads <- mapM (parseFromString (many plain)) $ + map removeLeadingTrailingSpace rawHeads' + return (heads, aligns, indices) -- Parse a table footer - dashed lines followed by blank line. tableFooter :: GenParser Char ParserState [Char] @@ -765,34 +767,9 @@ multilineRow :: [Int] -> GenParser Char ParserState [[Block]] multilineRow indices = do colLines <- many1 (rawTableLine indices) - optional blanklines let cols = map unlines $ transpose colLines mapM (parseFromString (many plain)) cols --- Calculate relative widths of table columns, based on indices -widthsFromIndices :: Int -- Number of columns on terminal - -> [Int] -- Indices - -> [Double] -- Fractional relative sizes of columns -widthsFromIndices _ [] = [] -widthsFromIndices numColumns indices = - let lengths' = zipWith (-) indices (0:indices) - lengths = reverse $ - case reverse lengths' of - [] -> [] - [x] -> [x] - -- compensate for the fact that intercolumn - -- spaces are counted in widths of all columns - -- but the last... - (x:y:zs) -> if x < y && y - x <= 2 - then y:y:zs - else x:y:zs - totLength = sum lengths - quotient = if totLength > numColumns - then fromIntegral totLength - else fromIntegral numColumns - fracs = map (\l -> (fromIntegral l) / quotient) lengths in - tail fracs - -- Parses a table caption: inlines beginning with 'Table:' -- and followed by blank lines. tableCaption :: GenParser Char ParserState [Inline] @@ -803,27 +780,14 @@ tableCaption = try $ do blanklines return $ normalizeSpaces result --- Parse a table using 'headerParser', 'lineParser', and 'footerParser'. -tableWith :: GenParser Char ParserState ([[Char]], [Alignment], [Int]) - -> ([Int] -> GenParser Char ParserState [[Block]]) - -> GenParser Char ParserState end - -> GenParser Char ParserState Block -tableWith headerParser lineParser footerParser = try $ do - (rawHeads, aligns, indices) <- headerParser - lines' <- many1Till (lineParser indices) footerParser - caption <- option [] tableCaption - heads <- mapM (parseFromString (many plain)) rawHeads - state <- getState - let numColumns = stateColumns state - let widths = widthsFromIndices numColumns indices - return $ Table caption aligns widths heads lines' - -- Parse a simple table with '---' header and one line per row. simpleTable :: Bool -- ^ Headerless table -> GenParser Char ParserState Block simpleTable headless = do Table c a _w h l <- tableWith (simpleTableHeader headless) tableLine - (if headless then tableFooter else tableFooter <|> blanklines) + (return ()) + (if headless then tableFooter else tableFooter <|> blanklines) + tableCaption -- Simple tables get 0s for relative column widths (i.e., use default) return $ Table c a (replicate (length a) 0) h l @@ -834,10 +798,10 @@ simpleTable headless = do multilineTable :: Bool -- ^ Headerless table -> GenParser Char ParserState Block multilineTable headless = - tableWith (multilineTableHeader headless) multilineRow tableFooter + tableWith (multilineTableHeader headless) multilineRow blanklines tableFooter tableCaption multilineTableHeader :: Bool -- ^ Headerless table - -> GenParser Char ParserState ([String], [Alignment], [Int]) + -> GenParser Char ParserState ([[Block]], [Alignment], [Int]) multilineTableHeader headless = try $ do if headless then return '\n' @@ -861,7 +825,9 @@ multilineTableHeader headless = try $ do let rawHeads = if headless then replicate (length dashes) "" else map (intercalate " ") rawHeadsList - return ((map removeLeadingTrailingSpace rawHeads), aligns, indices) + heads <- mapM (parseFromString (many plain)) $ + map removeLeadingTrailingSpace rawHeads + return (heads, aligns, indices) -- Returns an alignment type for a table, based on a list of strings -- (the rows of the column header) and a number (the length of the @@ -881,9 +847,15 @@ alignType strLst len = (True, True) -> AlignCenter (False, False) -> AlignDefault +gridTable :: Bool -- ^ Headerless table + -> GenParser Char ParserState Block +gridTable = gridTableWith block tableCaption + +-- TODO - add grid tables here...add tests for markdown grid tables...document markdown grid tables. table :: GenParser Char ParserState Block table = multilineTable False <|> simpleTable True <|> - simpleTable False <|> multilineTable True <?> "table" + simpleTable False <|> multilineTable True <|> + gridTable False <|> gridTable True <?> "table" -- -- inline diff --git a/src/Text/Pandoc/Readers/RST.hs b/src/Text/Pandoc/Readers/RST.hs index 7c9537560..c8f1604ec 100644 --- a/src/Text/Pandoc/Readers/RST.hs +++ b/src/Text/Pandoc/Readers/RST.hs @@ -636,32 +636,8 @@ simpleTableSplitLine indices line = map removeLeadingTrailingSpace $ tail $ splitByIndices (init indices) line --- Calculate relative widths of table columns, based on indices -widthsFromIndices :: Int -- Number of columns on terminal - -> [Int] -- Indices - -> [Double] -- Fractional relative sizes of columns -widthsFromIndices _ [] = [] -widthsFromIndices numColumns indices = - let lengths' = zipWith (-) indices (0:indices) - lengths = reverse $ - case reverse lengths' of - [] -> [] - [x] -> [x] - -- compensate for the fact that intercolumn - -- spaces are counted in widths of all columns - -- but the last... - (x:y:zs) -> if x < y && y - x <= 2 - then y:y:zs - else x:y:zs - totLength = sum lengths - quotient = if totLength > numColumns - then fromIntegral totLength - else fromIntegral numColumns - fracs = map (\l -> (fromIntegral l) / quotient) lengths in - tail fracs - simpleTableHeader :: Bool -- ^ Headerless table - -> GenParser Char ParserState ([[Char]], [Alignment], [Int]) + -> GenParser Char ParserState ([[Block]], [Alignment], [Int]) simpleTableHeader headless = try $ do optional blanklines rawContent <- if headless @@ -675,45 +651,23 @@ simpleTableHeader headless = try $ do let rawHeads = if headless then replicate (length dashes) "" else simpleTableSplitLine indices rawContent - return (rawHeads, aligns, indices) - --- Parse a table using 'headerParser', 'lineParser', and 'footerParser'. -tableWith :: GenParser Char ParserState ([[Char]], [Alignment], [Int]) - -> ([Int] - -> GenParser Char ParserState [[Block]]) - -> GenParser Char ParserState sep - -> GenParser Char ParserState end - -> GenParser Char ParserState Block -tableWith headerParser rowParser lineParser footerParser = try $ do - (rawHeads, aligns, indices) <- headerParser - lines' <- rowParser indices `sepEndBy` lineParser - footerParser - heads <- mapM (parseFromString (many plain)) rawHeads - state <- getState - let captions = [] -- no notion of captions in RST - let numColumns = stateColumns state - let widths = widthsFromIndices numColumns indices - return $ Table captions aligns widths heads lines' + heads <- mapM (parseFromString (many plain)) $ + map removeLeadingTrailingSpace rawHeads + return (heads, aligns, indices) -- Parse a simple table with '---' header and one line per row. simpleTable :: Bool -- ^ Headerless table -> GenParser Char ParserState Block simpleTable headless = do - Table c a _w h l <- tableWith (simpleTableHeader headless) simpleTableRow sep simpleTableFooter + Table c a _w h l <- tableWith (simpleTableHeader headless) simpleTableRow sep simpleTableFooter (return []) -- Simple tables get 0s for relative column widths (i.e., use default) return $ Table c a (replicate (length a) 0) h l where sep = return () -- optional (simpleTableSep '-') --- Parse a grid table: starts with row of '-' on top, then header --- (which may be grid), then the rows, --- which may be grid, separated by blank lines, and --- ending with a footer (dashed line followed by blank line). gridTable :: Bool -- ^ Headerless table -> GenParser Char ParserState Block -gridTable headless = - tableWith (gridTableHeader headless) (gridTableRow block) (gridTableSep '-') gridTableFooter - +gridTable = gridTableWith block (return []) table :: GenParser Char ParserState Block table = gridTable False <|> simpleTable False <|> |