9 import Data.Maybe ( fromMaybe ) |
9 import Data.Maybe ( fromMaybe ) |
10 ------------------- |
10 ------------------- |
11 import CoreTypes |
11 import CoreTypes |
12 import Utils |
12 import Utils |
13 |
13 |
14 options :: [OptDescr (ServerInfo -> ServerInfo)] |
14 options :: [OptDescr (ServerInfo c -> ServerInfo c)] |
15 options = [ |
15 options = [ |
16 Option "p" ["port"] (ReqArg readListenPort "PORT") "listen on PORT", |
16 Option "p" ["port"] (ReqArg readListenPort "PORT") "listen on PORT", |
17 Option "d" ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)" |
17 Option "d" ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)" |
18 ] |
18 ] |
19 |
19 |
20 readListenPort |
20 readListenPort |
21 , readDedicated |
21 , readDedicated |
22 :: String -> ServerInfo -> ServerInfo |
22 :: String -> ServerInfo c -> ServerInfo c |
23 |
23 |
24 |
24 |
25 readListenPort str opts = opts{listenPort = readPort} |
25 readListenPort str opts = opts{listenPort = readPort} |
26 where |
26 where |
27 readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer) |
27 readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer) |
28 |
28 |
29 readDedicated str opts = opts{isDedicated = readDed} |
29 readDedicated str opts = opts{isDedicated = readDed} |
30 where |
30 where |
31 readDed = fromMaybe True (maybeRead str :: Maybe Bool) |
31 readDed = fromMaybe True (maybeRead str :: Maybe Bool) |
32 |
32 |
33 getOpts :: ServerInfo -> IO ServerInfo |
33 getOpts :: ServerInfo c -> IO (ServerInfo c) |
34 getOpts opts = do |
34 getOpts opts = do |
35 args <- getArgs |
35 args <- getArgs |
36 case getOpt Permute options args of |
36 case getOpt Permute options args of |
37 (o, [], []) -> return $ foldr ($) opts o |
37 (o, [], []) -> return $ foldr ($) opts o |
38 (_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options)) |
38 (_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options)) |