diff --git a/Main.hs b/Main.hs index ef40e4f..76ec22e 100644 --- a/Main.hs +++ b/Main.hs @@ -48,7 +48,7 @@ import qualified Data.ByteString.Char8 as C -- Regex imports import Text.Regex.TDFA import Data.Word (Word8) -import Data.Char (ord, chr, intToDigit) +import Data.Char (ord, chr, intToDigit, digitToInt) data Based = Decode { b91 :: Bool, @@ -269,29 +269,93 @@ enc10 :: String -> String -- enc10 = C.unpack . BSU.fromString . intToHexString . decimalStringToInt -- Depending on what you want, do enc10 = show . map ord enc10 str = C.unpack $ C.pack $ Prelude.foldl (\acc char -> acc ++ show (ord char)) "" str +-- decode octal +octalToChar :: String -> Char +octalToChar str = chr $ Prelude.foldl (\acc c -> acc * 8 + read [c]) 0 str + +chunksOf :: Int -> [a] -> [[a]] +chunksOf _ [] = [] +chunksOf n xs = Prelude.take n xs : chunksOf n (Prelude.drop n xs) + +decodeOctal :: String -> String +decodeOctal = map octalToChar . words + +-- decodeOctal :: String -> String +-- decodeOctal = map (octalToChar . padOctal) . words + -- where + -- -- Function to pad an octal number string with leading '0's if needed + -- padOctal str + -- | Prelude.length str == 1 && str /= "0" = "00" ++ str + -- | Prelude.length str == 2 && str /= "0" = "0" ++ str + -- | otherwise = str + +-- Function to decode a string of octal numbers to characters dec8 :: String -> String -dec8 = C.unpack . encodeUtf8 . toText . showbOct . hexStringToInt +dec8 = map octalToChar . chunksOf 3 . filter (/= ' ') + +-- dec8 :: String -> String +-- dec8 = C.unpack . encodeUtf8 . toText . showbOct . hexStringToInt + +-- newtype Octal = Octal Int +-- octalToString :: Octal -> String +-- octalToString (Octal n) = show n + +-- dec8 = map (chr . octalToDecimal) . chunksOf 3 +-- where +-- octalToDecimal :: Octal -> Int +-- octalToDecimal (Octal n) = Prelude.foldl (\acc c -> acc * 8 + digitToInt c) O (show n) + +-- chunksOf :: Int -> [a] -> [[a]] +-- chunksOf _ [] = [] +-- chunksOf n xs = Prelude.take n xs : chunksOf n (Prelude.drop n xs) -- enc8 :: String -> String -- enc8 = C.unpack . BSU.fromString . intToHexString . octToInt . (reverse . (map fromJust . (map fromOctDigit))) -- -unicodeToOctal :: Char -> String -unicodeToOctal c = reverse $ padTo3Bits $ decimalToOctal' (ord c) - where - decimalToOctal' 0 = "0" - decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : decimalToOctal' q - padTo3Bits :: String -> String - padTo3Bits bits = replicate (3 - Prelude.length bits) '0' ++ bits + +-- unicodeToOctal :: Char -> String +-- unicodeToOctal c +-- | ord c >= 0 && ord c <= 7 = ['0', intToDigit (ord c)] +-- | otherwise = padTo3Bits $ decimalToOctal' (ord c) +-- where +-- decimalToOctal' 0 = "" +-- decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : decimalToOctal' q + +-- padTo3Bits :: String -> String +-- padTo3Bits bits +-- | Prelude.length bits < 3 = replicate (3 - Prelude.length bits) '0' ++ bits +-- | otherwise = bits + +-- enc8 :: String -> String +-- enc8 = unwords . map (concatMap unicodeToOctal . (:[])) + +unicodeToOctal :: Char -> [String] +unicodeToOctal c = chunksOf 3 $ reverse $ decimalToOctal' (ord c) + where + decimalToOctal' 0 = "0" + decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : if q == 0 then "" else decimalToOctal' q enc8 :: String -> String -enc8 = concatMap unicodeToOctal +enc8 = unwords . concatMap unicodeToOctal +-- unicodeToOctal :: Char -> String +-- unicodeToOctal c = reverse $ padTo3Bits $ decimalToOctal' (ord c) +-- where +-- decimalToOctal' 0 = "0" +-- decimalToOctal' m = let (q, r) = m `divMod` 8 in intToDigit r : decimalToOctal' q + +-- padTo3Bits :: String -> String +-- padTo3Bits bits = replicate (3 - Prelude.length bits) '0' ++ bits + +-- enc8 :: String -> String +-- enc8 = concatMap unicodeToOctal dec2 :: String -> String -- dec2 = C.unpack . encodeUtf8 . toText . showbBin . hexStringToInt -dec2 = TL.unpack . toLazyText . showbBin . hexStringToInt -- dec2 = TL.unpack . toLazyText . showbBin . hexStringToInt . enc16 +dec2 = TL.unpack . toLazyText . showbBin . hexStringToInt + enc2 :: String -> String -- enc2 = C.unpack . BSU.fromString . intToHexString . binToInt . (reverse . (map fromJust . (map fromBinDigit)))