Bump tagsoup dependency.

[dead/halcyon.git] / src / CommandLine.hs

diff --git a/src/CommandLine.hs b/src/CommandLine.hs
index 06c072e8715af292cb8a5d83ffa5ed0cd29b2aa4..862f9cd9ad92200bd698a41cccbad83f03040230 100644 (file)
--- a/src/CommandLine.hs
+++ b/src/CommandLine.hs
@@ -1,20 +1,27 @@
 module CommandLine (
-  apply_args,
-  show_help
-  )
+  get_args,
+  show_help)
 where
 
-import System.Console.CmdArgs
-import System.Console.CmdArgs.Explicit (process)
-import System.Environment (getArgs, withArgs)
-import System.Exit (ExitCode(..), exitWith)
-import System.IO (hPutStrLn, stderr)
+import System.Console.CmdArgs (
+  (&=),
+  args,
+  cmdArgs,
+  def,
+  details,
+  groupname,
+  help,
+  helpArg,
+  program,
+  summary,
+  typ,
+  versionArg)
+import System.Environment (withArgs)
 
 -- Get the version from Cabal.
 import Paths_halcyon (version)
 import Data.Version (showVersion)
 
-import ExitCodes
 import OptionalConfiguration
 
 description :: String
@@ -60,91 +67,73 @@ ignore_retweets_help = "Ignore retweets from other users"
 verbose_help :: String
 verbose_help = "Be verbose about stuff"
 
-arg_spec :: Mode (CmdArgs OptionalCfg)
+arg_spec :: OptionalCfg
 arg_spec =
-  cmdArgsMode $
-    OptionalCfg {
-      consumer_key =
-        def &= typ "KEY"
-            &= groupname "Twitter API"
-            &= help consumer_key_help,
-
-      consumer_secret =
-        def &= typ "SECRET"
-            &= groupname "Twitter API"
-            &= help consumer_secret_help,
-
-      access_token =
-        def &= typ "TOKEN"
-            &= groupname "Twitter API"
-            &= help access_token_help,
-
-      access_secret =
-        def &= typ "SECRET"
-            &= groupname "Twitter API"
-            &= help access_secret_help,
-
-      heartbeat =
-        def &= groupname "Miscellaneous"
-            &= help heartbeat_help,
-
-      ignore_replies =
-        def &= groupname "Miscellaneous"
-            &= help ignore_replies_help,
-
-      ignore_retweets =
-        def &= groupname "Miscellaneous"
-            &= help ignore_retweets_help,
-
-      verbose =
-        def &= groupname "Miscellaneous"
-            &= help verbose_help,
-
-      sendmail_path =
-        def &= typ "PATH"
-            &= groupname "Mail Options"
-            &= help sendmail_path_help,
-
-      from_address =
-        def &= typ "ADDRESS"
-            &= groupname "Mail Options"
-            &= help from_address_help,
-
-      to_address =
-        def &= typ "ADDRESS"
-            &= groupname "Mail Options"
-            &= help to_address_help,
-
-      usernames =
-        def &= args
-            &= typ "USERNAMES" }
-
-    &= program program_name
-    &= summary my_summary
-    &= details [description]
-    &= helpArg [groupname "Common flags"]
-    &= versionArg [groupname "Common flags"]
+  OptionalCfg {
+    consumer_key =
+      def &= typ "KEY"
+          &= groupname "Twitter API"
+          &= help consumer_key_help,
+
+    consumer_secret =
+      def &= typ "SECRET"
+          &= groupname "Twitter API"
+          &= help consumer_secret_help,
+
+    access_token =
+      def &= typ "TOKEN"
+          &= groupname "Twitter API"
+          &= help access_token_help,
+
+    access_secret =
+      def &= typ "SECRET"
+          &= groupname "Twitter API"
+          &= help access_secret_help,
+
+    heartbeat =
+      def &= groupname "Miscellaneous"
+          &= help heartbeat_help,
+
+    ignore_replies =
+      def &= groupname "Miscellaneous"
+          &= help ignore_replies_help,
+
+    ignore_retweets =
+      def &= groupname "Miscellaneous"
+          &= help ignore_retweets_help,
+
+    verbose =
+      def &= groupname "Miscellaneous"
+          &= help verbose_help,
+
+    sendmail_path =
+      def &= typ "PATH"
+          &= groupname "Mail Options"
+          &= help sendmail_path_help,
+
+    from_address =
+      def &= typ "ADDRESS"
+          &= groupname "Mail Options"
+          &= help from_address_help,
+
+    to_address =
+      def &= typ "ADDRESS"
+          &= groupname "Mail Options"
+          &= help to_address_help,
+
+    usernames =
+      def &= args
+          &= typ "USERNAMES" }
+
+  &= program program_name
+  &= summary my_summary
+  &= details [description]
+  &= helpArg [groupname "Common flags"]
+  &= versionArg [groupname "Common flags"]
 
 show_help :: IO OptionalCfg
-show_help = withArgs ["--help"] parse_args >>= cmdArgsApply
+show_help = withArgs ["--help"] get_args
 
 
-
-parse_args :: IO (CmdArgs OptionalCfg)
-parse_args = do
-  x <- getArgs
-  let y = process arg_spec x
-  case y of
-    Right result -> return result
-    Left err -> do
-      hPutStrLn stderr err
-      exitWith (ExitFailure exit_args_parse_failed)
-
-
--- | Really get the command-line arguments. This calls 'parse_args'
---   first to replace the default "wrong number of arguments" error,
---   and then runs 'cmdArgsApply' on the result to do what the
---   'cmdArgs' function usually does.
-apply_args :: IO OptionalCfg
-apply_args =
-  parse_args >>= cmdArgsApply
+get_args :: IO OptionalCfg
+get_args = cmdArgs arg_spec