module Data.Conduit.OpenPGP.Compression (
conduitCompress
, conduitDecompress
) where
import Codec.Encryption.OpenPGP.Compression
import Codec.Encryption.OpenPGP.Types
import Data.Conduit
import qualified Data.Conduit.List as CL
import qualified Data.Conduit.Util as CU
conduitCompress :: MonadThrow m => CompressionAlgorithm -> Conduit Pkt m Pkt
conduitCompress algo = CU.conduitState [] push (close algo)
where
push state input = return $ CU.StateProducing (input : state) []
close a state = return [compressPkts a state]
conduitDecompress :: MonadThrow m => Conduit Pkt m Pkt
conduitDecompress = CL.concatMap decompressPkt