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| author | John MacFarlane <jgm@berkeley.edu> | 2014-08-30 21:24:33 -0700 |
|---|---|---|
| committer | John MacFarlane <jgm@berkeley.edu> | 2014-08-30 21:24:33 -0700 |
| commit | 374bb3c14785b77771d96319301ed5aef31089c5 (patch) | |
| tree | 47a0f8e785976d89e84e4ba8feaa7ee58d7b1e51 /src/Text | |
| parent | d97aed3903dff97a3970c36a97653a6adf33ad19 (diff) | |
| download | pandoc-374bb3c14785b77771d96319301ed5aef31089c5.tar.gz | |
DokuWiki writer: Make tables prettier by aligning columns.
Also cleaned up crufty code and added tests.
Diffstat (limited to 'src/Text')
| -rw-r--r-- | src/Text/Pandoc/Writers/DokuWiki.hs | 62 |
1 files changed, 22 insertions, 40 deletions
diff --git a/src/Text/Pandoc/Writers/DokuWiki.hs b/src/Text/Pandoc/Writers/DokuWiki.hs index 8f696aa98..8c1d360aa 100644 --- a/src/Text/Pandoc/Writers/DokuWiki.hs +++ b/src/Text/Pandoc/Writers/DokuWiki.hs @@ -48,7 +48,7 @@ import Text.Pandoc.Shared ( escapeURI, removeFormatting, camelCaseToHyphenated , trimr, normalize, substitute ) import Text.Pandoc.Writers.Shared ( defField, metaToJSON ) import Text.Pandoc.Templates ( renderTemplate' ) -import Data.List ( intersect, intercalate, isPrefixOf ) +import Data.List ( intersect, intercalate, isPrefixOf, transpose ) import Data.Default (Default(..)) import Network.URI ( isURI ) import Control.Monad ( zipWithM ) @@ -181,20 +181,32 @@ blockToDokuWiki opts (BlockQuote blocks) = do then return $ "> " ++ contents else return $ "<HTML><blockquote>\n" ++ contents ++ "</blockquote></HTML>" -blockToDokuWiki opts (Table capt aligns _ headers rows') = do +blockToDokuWiki opts (Table capt aligns _ headers rows) = do captionDoc <- if null capt then return "" else do c <- inlineListToDokuWiki opts capt return $ "" ++ c ++ "\n" - head' <- if all null headers - then return "" - else do - hs <- tableHeaderToDokuWiki opts aligns headers - return $ hs ++ "\n" - body' <- mapM (tableRowToDokuWiki opts aligns) rows' - return $ captionDoc ++ head' ++ - unlines body' + headers' <- if all null headers + then return [] + else zipWithM (tableItemToDokuWiki opts) aligns headers + rows' <- mapM (zipWithM (tableItemToDokuWiki opts) aligns) rows + let widths = map (maximum . map length) $ transpose (headers':rows') + let padTo (width, al) s = + case (width - length s) of + x | x > 0 -> + if al == AlignLeft || al == AlignDefault + then s ++ replicate x ' ' + else if al == AlignRight + then replicate x ' ' ++ s + else replicate (x `div` 2) ' ' ++ + s ++ replicate (x - x `div` 2) ' ' + | otherwise -> s + let renderRow sep cells = sep ++ + intercalate sep (zipWith padTo (zip widths aligns) cells) ++ sep + return $ captionDoc ++ + (if null headers' then "" else renderRow "^" headers' ++ "\n") ++ + unlines (map (renderRow "|") rows') blockToDokuWiki opts x@(BulletList items) = do oldUseTags <- stUseTags <$> ask @@ -357,32 +369,10 @@ backSlashLineBreaks cs = reverse $ g $ reverse $ concatMap f cs -- Auxiliary functions for tables: --- TODO Eliminate copy-and-pasted code in tableHeaderToDokuWiki and tableRowToDokuWiki -tableHeaderToDokuWiki :: WriterOptions - -> [Alignment] - -> [[Block]] - -> DokuWiki String -tableHeaderToDokuWiki opts aligns cols' = do - cols'' <- zipWithM - (tableItemToDokuWiki opts) - aligns cols' - return $ "^ " ++ joinHeaders cols'' ++ " ^" - -tableRowToDokuWiki :: WriterOptions - -> [Alignment] - -> [[Block]] - -> DokuWiki String -tableRowToDokuWiki opts alignStrings cols' = do - cols'' <- zipWithM - (tableItemToDokuWiki opts) - alignStrings cols' - return $ "| " ++ "" ++ joinColumns cols'' ++ " |" - tableItemToDokuWiki :: WriterOptions -> Alignment -> [Block] -> DokuWiki String --- TODO Fix celltype and align' defined but not used tableItemToDokuWiki opts align' item = do let mkcell x = (if align' == AlignRight || align' == AlignCenter then " " @@ -394,14 +384,6 @@ tableItemToDokuWiki opts align' item = do blockListToDokuWiki opts item return $ mkcell contents --- | Concatenates columns together. -joinColumns :: [String] -> String -joinColumns = intercalate " | " - --- | Concatenates headers together. -joinHeaders :: [String] -> String -joinHeaders = intercalate " ^ " - -- | Convert list of Pandoc block elements to DokuWiki. blockListToDokuWiki :: WriterOptions -- ^ Options -> [Block] -- ^ List of block elements |