1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61
|
{-# LANGUAGE FlexibleInstances #-}
module Types where
data OutputStyle = LispStyle | PlainStyle
data Options = Options {
outputStyle :: OutputStyle
, hlintOpts :: [String]
, ghcOpts :: [String]
, operators :: Bool
, expandSplice :: Bool
, sandbox :: Maybe String
}
defaultOptions :: Options
defaultOptions = Options {
outputStyle = PlainStyle
, hlintOpts = []
, ghcOpts = []
, operators = False
, expandSplice = False
, sandbox = Nothing
}
----------------------------------------------------------------
convert :: ToString a => Options -> a -> String
convert Options{ outputStyle = LispStyle } = toLisp
convert Options{ outputStyle = PlainStyle } = toPlain
class ToString a where
toLisp :: a -> String
toPlain :: a -> String
instance ToString [String] where
toLisp = addNewLine . toSexp True
toPlain = unlines
instance ToString [((Int,Int,Int,Int),String)] where
toLisp = addNewLine . toSexp False . map toS
where
toS x = "(" ++ tupToString x ++ ")"
toPlain = unlines . map tupToString
toSexp :: Bool -> [String] -> String
toSexp False ss = "(" ++ unwords ss ++ ")"
toSexp True ss = "(" ++ unwords (map quote ss) ++ ")"
tupToString :: ((Int,Int,Int,Int),String) -> String
tupToString ((a,b,c,d),s) = show a ++ " "
++ show b ++ " "
++ show c ++ " "
++ show d ++ " "
++ quote s
quote :: String -> String
quote x = "\"" ++ x ++ "\""
addNewLine :: String -> String
addNewLine = (++ "\n")
|