gameServer/Opts.hs
author Mitchell Kember <mk12360@gmail.com>
Thu, 29 Nov 2012 19:44:18 -0500
changeset 8144 f3ba33d5d2b1
parent 5210 a5329e52a71b
child 10460 8dcea9087d75
permissions -rw-r--r--
Google Code-in: Hide "video record" keybind option Removes the recording keybinding option using preprocessor conditions when it is unavailable. This includes when Hedgewars is being built either with the recording feature explicitly disabled or when FFMPEG/LibAV were not found. https://google-melange.appspot.com/gci/task/view/google/gci2012/7948213

{-# 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...]"