gameServer/Opts.hs
changeset 1804 4e78ad846fb6
child 1832 1fb61a53a2c2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gameServer/Opts.hs	Wed Feb 18 15:04:40 2009 +0000
@@ -0,0 +1,37 @@
+module Opts
+(
+	getOpts,
+) where
+
+import System
+import System.Console.GetOpt
+import Network
+import Data.Maybe ( fromMaybe )
+import CoreTypes
+import Utils
+
+options :: [OptDescr (ServerInfo -> ServerInfo)]
+options = [
+	Option ['p'] ["port"] (ReqArg readListenPort "PORT") "listen on PORT",
+	Option ['d'] ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)",
+	Option []    ["password"] (ReqArg readPassword "STRING") "admin password"
+	]
+
+readListenPort, readDedicated, readPassword :: String -> ServerInfo -> ServerInfo
+readListenPort str opts = opts{listenPort = readPort}
+	where
+		readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer)
+
+readDedicated str opts = opts{isDedicated = readDedicated}
+	where
+		readDedicated = fromMaybe True (maybeRead str :: Maybe Bool)
+
+readPassword str opts = opts{adminPassword = str}
+
+getOpts :: ServerInfo -> IO ServerInfo
+getOpts opts = do
+	args <- getArgs
+	case getOpt Permute options args of
+		(o, [], []) -> return $ foldr ($) opts o
+		(_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options))
+	where header = "Usage: newhwserv [OPTION...]"