X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Fhalcyon.git;a=blobdiff_plain;f=src%2FOptionalConfiguration.hs;h=607659ea811ce200577ed1a04a645b86ae2a602b;hp=11add85de7ae6081755d1821cf750a0c845b4af4;hb=d7c6b5499c0969b6e488d9fc583f93bbb4e3d4c7;hpb=7bb00e04c15781d889f950d00babf3f183047bff diff --git a/src/OptionalConfiguration.hs b/src/OptionalConfiguration.hs index 11add85..607659e 100644 --- a/src/OptionalConfiguration.hs +++ b/src/OptionalConfiguration.hs @@ -2,7 +2,7 @@ {-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE OverloadedStrings #-} --- | The program will parse ~/.twatrc for any available configuration +-- | The program will parse ~/.halcyonrc for any available configuration -- directives, resulting in an OptionalCfg. The command-line -- arguments will be used to create another OptionalCfg, and the two -- will be merged. Finally, a default_config will be updated from @@ -11,16 +11,21 @@ module OptionalConfiguration ( OptionalCfg(..), - from_rc - ) + from_rc ) where -import qualified Data.Configurator as DC -import qualified Data.Configurator.Types as DCT -import Data.Data (Data) -import Data.Maybe (fromMaybe) -import Data.Monoid (Monoid(..)) -import Data.Typeable (Typeable) +import qualified Data.Configurator as DC ( + Worth (Optional), + load, + lookup ) + +import Data.Data ( Data ) +import Data.Maybe ( fromMaybe ) +import Data.Monoid ( Monoid(..) ) +import Data.Typeable ( Typeable ) + +import Usernames ( Usernames(..) ) + -- | The same as Cfg, except everything is optional. It's easy to -- merge two of these by simply dropping the Nothings in favor of @@ -39,7 +44,7 @@ data OptionalCfg = from_address :: Maybe String, to_address :: Maybe String, verbose :: Maybe Bool, - usernames :: [String] } + usernames :: Usernames } deriving (Show, Data, Typeable) instance Monoid OptionalCfg where @@ -55,7 +60,7 @@ instance Monoid OptionalCfg where Nothing Nothing Nothing - [] + (Usernames []) cfg1 `mappend` cfg2 = OptionalCfg @@ -70,7 +75,7 @@ instance Monoid OptionalCfg where (merge (from_address cfg1) (from_address cfg2)) (merge (to_address cfg1) (to_address cfg2)) (merge (verbose cfg1) (verbose cfg2)) - (usernames cfg2) -- Use only the usernames from cfg2 + all_usernames where merge :: (Maybe a) -> (Maybe a) -> (Maybe a) merge Nothing Nothing = Nothing @@ -78,19 +83,15 @@ instance Monoid OptionalCfg where merge Nothing (Just x) = Just x merge (Just _) (Just y) = Just y - -instance DCT.Configured [String] where - convert (DCT.List xs) = - mapM convert_string xs - where - convert_string :: DCT.Value -> Maybe String - convert_string = DCT.convert - - convert _ = Nothing + -- Use only the latter usernames if there are any. + all_usernames = + usernames $ if (null (get_usernames (usernames cfg2))) + then cfg1 + else cfg2 from_rc :: IO OptionalCfg from_rc = do - cfg <- DC.load [ DC.Optional "$(HOME)/.twatrc" ] + cfg <- DC.load [ DC.Optional "$(HOME)/.halcyonrc" ] cfg_consumer_key <- DC.lookup cfg "consumer-key" cfg_consumer_secret <- DC.lookup cfg "consumer-secret" cfg_access_token <- DC.lookup cfg "access-token" @@ -116,4 +117,4 @@ from_rc = do cfg_from_address cfg_to_address cfg_verbose - (fromMaybe [] cfg_usernames) + (fromMaybe (Usernames []) cfg_usernames)