X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FMain.hs;h=b2fc64b5eb71a441226f7772b2ed8e591afb9ca3;hb=e8b41784eaa68049f7a7354916c9c9920050db70;hp=a86eebf90081f0807a8628d35cff6c7a677d20c2;hpb=6c076a2622dd9a6bfc96ed05f8478b5150db176a;p=hath.git diff --git a/src/Main.hs b/src/Main.hs index a86eebf..b2fc64b 100644 --- a/src/Main.hs +++ b/src/Main.hs @@ -1,10 +1,19 @@ -import Data.List (intercalate, intersperse) +import Data.List ((\\), intercalate, intersperse) +import Data.Maybe (catMaybes, isNothing) import System.Exit (ExitCode(..), exitWith) import System.IO (stderr, hPutStrLn) import Cidr (Cidr(..), cidr_from_string, - is_valid_cidr) + combine_all, + max_octet1, + max_octet2, + max_octet3, + max_octet4, + min_octet1, + min_octet2, + min_octet3, + min_octet4 ) import CommandLine (help_set, help_text, @@ -13,7 +22,6 @@ import CommandLine (help_set, parse_errors, parse_mode) -import IPv4Address import Octet -- Some exit codes, used in the ExitFailure constructor. @@ -54,14 +62,14 @@ cidr_to_regex cidr = range2 = numeric_range min2 max2 range3 = numeric_range min3 max3 range4 = numeric_range min4 max4 - min1 = octet_to_int (min_octet1 (ipv4address cidr) (maskbits cidr)) - min2 = octet_to_int (min_octet2 (ipv4address cidr) (maskbits cidr)) - min3 = octet_to_int (min_octet3 (ipv4address cidr) (maskbits cidr)) - min4 = octet_to_int (min_octet4 (ipv4address cidr) (maskbits cidr)) - max1 = octet_to_int (max_octet1 (ipv4address cidr) (maskbits cidr)) - max2 = octet_to_int (max_octet2 (ipv4address cidr) (maskbits cidr)) - max3 = octet_to_int (max_octet3 (ipv4address cidr) (maskbits cidr)) - max4 = octet_to_int (max_octet4 (ipv4address cidr) (maskbits cidr)) + min1 = octet_to_int (min_octet1 cidr) + min2 = octet_to_int (min_octet2 cidr) + min3 = octet_to_int (min_octet3 cidr) + min4 = octet_to_int (min_octet4 cidr) + max1 = octet_to_int (max_octet1 cidr) + max2 = octet_to_int (max_octet2 cidr) + max3 = octet_to_int (max_octet3 cidr) + max4 = octet_to_int (max_octet4 cidr) @@ -81,18 +89,6 @@ numeric_range x y = upper = maximum [x,y] --- Take a CIDR String, and exit with a failure if it's invalid. -validate_or_die :: String -> IO () -validate_or_die cidr = do - if (Cidr.is_valid_cidr cidr) - then do - return () - else do - putStrLn "Error: not valid CIDR notation." - exitWith (ExitFailure exit_invalid_cidr) - - - main :: IO () main = do -- First, check for any errors that occurred while parsing @@ -119,15 +115,38 @@ main = do input <- inputfunc let cidr_strings = lines input - mapM validate_or_die cidr_strings - let cidrs = map Cidr.cidr_from_string cidr_strings + let cidrs = map cidr_from_string cidr_strings + + if (any isNothing cidrs) + then do + putStrLn "Error: not valid CIDR notation." + exitWith (ExitFailure exit_invalid_cidr) + else do -- Nothing + + -- Filter out only the valid ones. + let valid_cidrs = catMaybes cidrs -- Get the mode of operation. mode <- CommandLine.parse_mode case mode of Regex -> do - let regexes = map cidr_to_regex cidrs - putStrLn $ alternate regexes + let regexes = map cidr_to_regex valid_cidrs + putStrLn $ alternate regexes Reduce -> do - putStr input + _ <- mapM (putStrLn . show) (combine_all valid_cidrs) + return () + Dupe -> do + _ <- mapM (putStrLn . show) dupes + return () + where + dupes = valid_cidrs \\ (combine_all valid_cidrs) + Diff -> do + _ <- mapM putStrLn deletions + _ <- mapM putStrLn additions + return () + where + dupes = valid_cidrs \\ (combine_all valid_cidrs) + deletions = map (\s -> "-" ++ (show s)) dupes + newcidrs = (combine_all valid_cidrs) \\ valid_cidrs + additions = map (\s -> "+" ++ (show s)) newcidrs