column en haskell, mon cerveau est malade

master
karchnu 2016-01-03 02:42:02 +01:00
parent 808ea78cea
commit 5af07632d1
1 changed files with 38 additions and 0 deletions

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haskell/column.hs Normal file
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import qualified Data.Text as T
splitOn :: String -> String -> [String]
splitOn x y = map T.unpack $ T.splitOn (T.pack x) $ T.pack y
transpose:: [[a]] -> [[a]]
transpose ([]:xs) = []
transpose x = (map head x) : transpose (map tail x)
addEmpty :: Int -> [a] -> [a] -> [a]
addEmpty x v y
| ysize == x+1 = y
| ysize <= x = addEmpty x v (y ++ v)
| otherwise = []
where ysize = length y
formatLine :: [String] -> [String]
formatLine x = map (addEmpty nb " ") x
where nb = maximum $ map length x
formatLines :: [[String]] -> [[String]]
formatLines x = map formatLine x
completeMatrix :: [[String]] -> [[String]]
completeMatrix m = map (addEmpty nb [""]) m
where nb = maximum $ map length m
column :: [[String]] -> [[String]]
column x = transpose $ formatLines $ transpose $ completeMatrix x
putToLines :: [[String]] -> [String]
putToLines x = map (foldr (++) " ") x
main = do
content <- getContents
-- print $ column $ map (splitOn " ") $ lines content
-- print $ putToLines $ column $ map (splitOn " ") $ lines content
putStr $ unlines . putToLines $ column $ map (splitOn " ") $ lines content