-- feed.
--
module TSN.Picklers (
- xp_date )
+ xp_date,
+ xp_time )
where
+-- System imports.
import Data.Time.Clock ( UTCTime )
import Data.Time.Format ( formatTime, parseTime )
import System.Locale ( defaultTimeLocale )
-import Text.Read ( readMaybe )
import Text.XML.HXT.Arrow.Pickle (
- XmlPickler(..),
xpText,
xpWrapMaybe )
import Text.XML.HXT.Arrow.Pickle.Xml ( PU )
-instance XmlPickler Bool where
- xpickle =
- (to_bool, from_bool) `xpWrapMaybe` xpText
- where
- to_bool :: String -> Maybe Bool
- to_bool = readMaybe
-
- from_bool :: Bool -> String
- from_bool = show
-
-- | (Un)pickle a UTCTime without the time portion.
--
from_date :: UTCTime -> String
from_date = formatTime defaultTimeLocale format
+
+
+-- | (Un)pickle a UTCTime without the date portion.
+--
+xp_time :: PU UTCTime
+xp_time =
+ (to_time, from_time) `xpWrapMaybe` xpText
+ where
+ format = "%I:%M %p"
+
+ to_time :: String -> Maybe UTCTime
+ to_time = parseTime defaultTimeLocale format
+
+ from_time :: UTCTime -> String
+ from_time = formatTime defaultTimeLocale format
+