-import Data.List (intercalate, intersperse)
+import Data.List ((\\), intercalate, intersperse)
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,
parse_errors,
parse_mode)
-import IPv4Address
import Octet
-- Some exit codes, used in the ExitFailure constructor.
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)
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
input <- inputfunc
let cidr_strings = lines input
- mapM validate_or_die cidr_strings
let cidrs = map Cidr.cidr_from_string cidr_strings
+ if (any (== Cidr.None) cidrs)
+ then do
+ putStrLn "Error: not valid CIDR notation."
+ exitWith (ExitFailure exit_invalid_cidr)
+ else do -- Nothing
+
-- Get the mode of operation.
mode <- CommandLine.parse_mode
let regexes = map cidr_to_regex cidrs
putStrLn $ alternate regexes
Reduce -> do
- putStr input
+ mapM (putStrLn . show) (combine_all cidrs)
+ return ()
+ Dupe -> do
+ mapM (putStrLn . show) dupes
+ return ()
+ where
+ dupes = cidrs \\ (combine_all cidrs)