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42 lines
1.0 KiB
Haskell
42 lines
1.0 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module Data.TByteString
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( TByteString
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, fromText
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, fromBS
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, fromLBS
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) where
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import qualified Data.Aeson as J
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import qualified Data.ByteString as B
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import qualified Data.ByteString.Base64 as B64
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import qualified Data.ByteString.Lazy as BL
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import qualified Data.Text as T
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import qualified Data.Text.Encoding as TE
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import Data.Bool (bool)
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import Prelude
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newtype TByteString
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= TByteString (Bool, T.Text)
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deriving (Show, Eq)
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instance J.ToJSON TByteString where
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toJSON (TByteString (isBase64, t)) =
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bool (J.toJSON t) (J.toJSON ["Base64", t]) isBase64
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fromText :: T.Text -> TByteString
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fromText t = TByteString (False, t)
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fromBS :: B.ByteString -> TByteString
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fromBS bs =
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TByteString $
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-- if the bs in not utf-8 encoded, encode it to Base64
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case TE.decodeUtf8' bs of
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Left _ -> (True, TE.decodeUtf8 $ B64.encode bs)
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Right t -> (False, t)
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fromLBS :: BL.ByteString -> TByteString
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fromLBS =
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fromBS . BL.toStrict
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