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{-# LANGUAGE OverloadedStrings #-}
module IRE.Config
( ConfigFile(..)
, YOLO(..)
, defaultConfig
) where
import Control.Applicative (empty)
import Data.Aeson (FromJSON, parseJSON)
import Data.Yaml (Value(Object), (.!=), (.:), (.:?))
data ConfigFile = ConfigFile
{ cfPort :: Int
, cfSocket :: Maybe FilePath
, cfYOLO :: YOLO
} deriving (Show)
data YOLO = YOLO
{ yoloCfg :: FilePath
, yoloWeights :: FilePath
, yoloNames :: FilePath
} deriving (Show)
defaultConfig :: ConfigFile
defaultConfig =
ConfigFile
{ cfPort = 8080
, cfSocket = Nothing
, cfYOLO =
YOLO
{ yoloCfg = "yolo.cfg"
, yoloWeights = "yolo.weights"
, yoloNames = "yolo.names"
}
}
instance FromJSON ConfigFile where
parseJSON (Object m) =
ConfigFile <$> m .:? "port" .!= cfPort defaultConfig <*>
m .:? "socket" .!= cfSocket defaultConfig <*>
m .:? "yolo" .!= cfYOLO defaultConfig
parseJSON _ = empty
instance FromJSON YOLO where
parseJSON (Object m) = YOLO <$> m .: "cfg" <*> m .: "weights" <*> m .: "names"
parseJSON _ = empty
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