gameServer/Opts.hs
author unc0rr
Fri, 16 Nov 2012 00:46:33 +0400
branchphysfslayer
changeset 8031 fc40b343c45c
parent 5210 a5329e52a71b
child 10460 8dcea9087d75
permissions -rw-r--r--
Script loading via physfs which doesn't work: - Some scripts just refuse to load for no obvious reason - Some scripts load fine when you set BUFSIZE to a large value, like 64k, but don't load with small values Error messages in both cases don't seem to have relation to lua file contents

{-# LANGUAGE CPP #-}
module Opts
(
    getOpts,
) where

import System.Environment
import System.Console.GetOpt
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)"
    ]

readListenPort
    , readDedicated
    :: String -> ServerInfo -> ServerInfo


readListenPort str opts = opts{listenPort = readPort}
    where
        readPort = fromInteger $ fromMaybe 46631 (maybeRead str :: Maybe Integer)

readDedicated str opts = opts{isDedicated = readDed}
    where
        readDed = fromMaybe True (maybeRead str :: Maybe Bool)

getOpts :: ServerInfo -> IO ServerInfo
getOpts opts = do
    args <- getArgs
    case getOpt Permute options args of
        (o, [], []) -> return $ foldr ($) opts{runArgs = args} o
        (_,_,errs) -> ioError (userError (concat errs ++ usageInfo header options))
    where header = "Usage: hedgewars-server [OPTION...]"