Files
gf-core/lib/src/translator/Dataview.hs

28 lines
783 B
Haskell

module Dataview where
import Data.List
dataFile :: FilePath -> IO ()
dataFile file = do
wss <- readFile file >>= return . filter (not . null) . map commaSep . lines
let d = view2data wss
writeFile (file ++ ".tsv") (unlines d)
view2data :: [[String]] -> [String]
view2data ss = case ss of
s:ss2 -> case s of
"Dataview":f:_ ->
let (s1,s2) = break ((=="Dataview") . head) ss2
in [last (words f) ++ sp ++ values l | l <- s1] ++ view2data s2
_ -> error (show s)
_ -> []
where
values (w:ws) = concat $ intersperse sp $ map normalize $ case w of {'D':'a':'t':'a':'v':'i':'e':'w':_:_ -> ws ; _ -> w:ws}
sp = "\t"
commaSep :: String -> [String]
commaSep = lines . map (\c -> if elem c ":," then '\n' else c) . normalize
normalize = unwords . words