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module Opts
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(
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getOpts,
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) where
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import System
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import System.Console.GetOpt
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import Network
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import Data.Maybe ( fromMaybe )
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import CoreTypes
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import Utils
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options :: [OptDescr (ServerInfo -> ServerInfo)]
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options = [
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Option ['p'] ["port"] (ReqArg readListenPort "PORT") "listen on PORT",
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Option ['d'] ["dedicated"] (ReqArg readDedicated "BOOL") "start as dedicated (True or False)",
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Option [] ["db-login"] (ReqArg readDbLogin "STRING") "database access login",
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Option [] ["db-password"] (ReqArg readDbPassword "STRING") "database access password",
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Option [] ["db-host"] (ReqArg readDbHost "STRING") "database host"
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]
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readListenPort,
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readDedicated,
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readDbLogin,
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readDbPassword,
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readDbHost :: String -> ServerInfo -> ServerInfo
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readListenPort str opts = opts{listenPort = readPort}
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where
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readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer)
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readDedicated str opts = opts{isDedicated = readDedicated}
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where
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readDedicated = fromMaybe True (maybeRead str :: Maybe Bool)
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readDbLogin str opts = opts{dbLogin = str}
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readDbPassword str opts = opts{dbPassword = str}
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readDbHost str opts = opts{dbHost = str}
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getOpts :: ServerInfo -> IO ServerInfo
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getOpts opts = do
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args <- getArgs
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case getOpt Permute options args of
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(o, [], []) -> return $ foldr ($) opts o
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(_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options))
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where header = "Usage: newhwserv [OPTION...]"
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