X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;ds=sidebyside;f=src%2FCommandLine.hs;h=0b081bc5a7d752fefe85652d0c1f6e92bd124466;hb=d721869c5e7395c021cc79f40720bdb275d613d2;hp=3fc8eb39098fba581ac5a5c11ae5f13ca4098682;hpb=86efdb6afac4a7a165babba90a0a25e0e1185e5b;p=dead%2Fhalcyon.git diff --git a/src/CommandLine.hs b/src/CommandLine.hs index 3fc8eb3..0b081bc 100644 --- a/src/CommandLine.hs +++ b/src/CommandLine.hs @@ -11,15 +11,21 @@ module CommandLine import Data.Maybe (fromJust, isJust, isNothing) import System.Console.GetOpt +import System.Directory (doesFileExist) import System.Environment (getArgs) import Configuration (Cfg(..)) -- | A record containing values for all available options. -data Options = Options { opt_heartbeat :: Maybe Int, +data Options = Options { opt_consumer_key :: Maybe String, + opt_consumer_secret :: Maybe String, + opt_access_token :: Maybe String, + opt_access_secret :: Maybe String, + opt_heartbeat :: Maybe Int, opt_help :: Bool, opt_ignore_replies :: Bool, opt_ignore_retweets :: Bool, + opt_sendmail_path :: FilePath, opt_from :: Maybe String, opt_to :: Maybe String, opt_verbose :: Bool } @@ -28,10 +34,15 @@ data Options = Options { opt_heartbeat :: Maybe Int, -- | Constructs an instance of Options, with each of its members set -- to default values. default_options :: Options -default_options = Options { opt_heartbeat = Just 600, +default_options = Options { opt_access_token = Nothing, + opt_access_secret = Nothing, + opt_consumer_key = Nothing, + opt_consumer_secret = Nothing, + opt_heartbeat = Just 600, opt_help = False, opt_ignore_replies = False, opt_ignore_retweets = False, + opt_sendmail_path = "/usr/sbin/sendmail", opt_from = Nothing, opt_to = Nothing, opt_verbose = False } @@ -48,37 +59,62 @@ default_options = Options { opt_heartbeat = Just 600, options :: [OptDescr (Options -> IO Options)] options = [ Option - ['h']["help"] + "" ["consumer-key"] + (ReqArg set_consumer_key "consumer-key") + "Your Twitter API consumer key.", + + Option + "" ["consumer-secret"] + (ReqArg set_consumer_secret "consumer-secret") + "Your Twitter API consumer secret.", + + Option + "" ["access-token"] + (ReqArg set_access_token "access-token") + "Your Twitter API access token.", + + Option + "" ["access-secret"] + (ReqArg set_access_secret "access-secret") + "Your Twitter API access secret.", + + Option + "h" ["help"] (NoArg set_help) "Prints this help message.", - + Option - ['n']["heartbeat"] + "n" ["heartbeat"] (ReqArg set_heartbeat "heartbeat") "How many seconds to wait between polling.", - + Option - ['t']["to"] + "t" ["to"] (ReqArg set_to "email_address") "Send tweets TO email_address.", Option - ['f']["from"] + "f" ["from"] (ReqArg set_from "email_address") "Send tweets FROM email_address.", Option - ['i']["ignore-replies"] + "s" ["sendmail_path"] + (ReqArg set_sendmail_path "sendmail_path") + "Use sendmail_path to send mail", + + Option + "i" ["ignore-replies"] (NoArg set_ignore_replies) "Ignore replies.", Option - ['I']["ignore-retweets"] + "I" ["ignore-retweets"] (NoArg set_ignore_retweets) "Ignore retweets.", Option - ['v']["verbose"] + "v" ["verbose"] (NoArg set_verbose) "Be verbose about stuff." ] @@ -92,13 +128,29 @@ parse_int s = [(n,_)] -> Just n _ -> Nothing +set_consumer_key :: String -> Options -> IO Options +set_consumer_key arg opts = + return opts { opt_consumer_key = Just arg } + +set_consumer_secret :: String -> Options -> IO Options +set_consumer_secret arg opts = + return opts { opt_consumer_secret = Just arg } + +set_access_token :: String -> Options -> IO Options +set_access_token arg opts = + return opts { opt_access_token = Just arg } + +set_access_secret :: String -> Options -> IO Options +set_access_secret arg opts = + return opts { opt_access_secret = Just arg } + set_heartbeat :: String -> Options -> IO Options set_heartbeat arg opts = do let new_heartbeat = parse_int arg return opts { opt_heartbeat = new_heartbeat } set_help :: Options -> IO Options -set_help opts = do +set_help opts = return opts { opt_help = True } set_ignore_retweets :: Options -> IO Options @@ -113,18 +165,22 @@ set_verbose :: Options -> IO Options set_verbose opts = return opts { opt_verbose = True } +set_sendmail_path :: String -> Options -> IO Options +set_sendmail_path arg opts = + return opts { opt_sendmail_path = arg } + set_to :: String -> Options -> IO Options -set_to arg opts = do +set_to arg opts = return opts { opt_to = Just arg } set_from :: String -> Options -> IO Options -set_from arg opts = do +set_from arg opts = return opts { opt_from = Just arg } -- | The usage header. usage :: String -usage = "Usage: twat [-n heartbeat] [-t to_address] [-f from_address] [username2, [username3]...]" +usage = "Usage: twat --consumer-key= --consumer-secret= --access-token= --access-secret= [-n heartbeat] [-t to_address] [-f from_address] [-s path-to-sendmail] [username2, [username3]...]" -- | Was the help option passed? @@ -148,38 +204,38 @@ parse_options = do -- list, one after another, on a default_options record. The end -- result should be an Options instance with all of its members set -- correctly. - opts <- foldl (>>=) (return default_options) actions - - return opts + foldl (>>=) (return default_options) actions -- | A list of parse errors relating to the heartbeat. heartbeat_errors :: IO [String] heartbeat_errors = do hb <- parse_heartbeat - if (isNothing hb) - then return ["\"heartbeat\" does not appear to be an integer."] - else return [] + return ["\"heartbeat\" does not appear to be an integer." | isNothing hb ] --- |Parse errors relating to the list of usernames. +-- | Parse errors relating to the list of usernames. username_errors :: IO [String] username_errors = do argv <- getArgs let (_, usernames, _) = getOpt Permute options argv + return [ "no usernames provided." | null usernames ] - if (null usernames) - then return ["no usernames provided."] - else return [] - --- |Parse errors relating to the "To" address. +-- | Parse errors relating to the "To" address. to_errors :: IO [String] to_errors = do toaddr <- parse_to_address fromaddr <- parse_from_address - if (isNothing toaddr) && (isJust fromaddr) - then return ["\"from\" address specified without \"to\" address."] - else return [] + return ["\"from\" address specified without \"to\" address." + | (isNothing toaddr) && (isJust fromaddr) ] + + +-- | Errors for the sendmail path argument. +sendmail_path_errors :: IO [String] +sendmail_path_errors = do + sendmail <- parse_sendmail_path + exists <- doesFileExist sendmail + return [ "sendmail path does not exist" | not exists ] -- | Parse errors relating to the "From" address. @@ -187,9 +243,8 @@ from_errors :: IO [String] from_errors = do toaddr <- parse_to_address fromaddr <- parse_from_address - if (isJust toaddr) && (isNothing fromaddr) - then return ["\"to\" address specified without \"from\" address."] - else return [] + return [ "\"to\" address specified without \"from\" address." + | (isJust toaddr) && (isNothing fromaddr) ] -- | Format an error message for printing. @@ -206,9 +261,11 @@ parse_errors = do errs_username <- username_errors errs_to <- to_errors errs_from <- from_errors + errs_sendmail <- sendmail_path_errors return $ map format_error (errors ++ errs_heartbeat ++ errs_username ++ + errs_sendmail ++ errs_to ++ errs_from) @@ -224,6 +281,12 @@ parse_to_address = do opts <- parse_options return (opt_to opts) +-- | What sendmail path was given on the command line? +parse_sendmail_path :: IO FilePath +parse_sendmail_path = do + opts <- parse_options + return (opt_sendmail_path opts) + -- | What "From" address was given on the command line? parse_from_address :: IO (Maybe String) parse_from_address = do @@ -245,9 +308,14 @@ parse_usernames = do get_cfg :: IO Cfg get_cfg = do opts <- parse_options - return Cfg { heartbeat = fromJust $ opt_heartbeat opts, + return Cfg { consumer_key = fromJust $ opt_consumer_key opts, + consumer_secret = fromJust $ opt_consumer_secret opts, + access_token = fromJust $ opt_access_token opts, + access_secret = fromJust $ opt_access_secret opts, + heartbeat = fromJust $ opt_heartbeat opts, ignore_replies = opt_ignore_replies opts, ignore_retweets = opt_ignore_retweets opts, + sendmail_path = opt_sendmail_path opts, from_address = opt_from opts, to_address = opt_to opts, verbose = opt_verbose opts }