X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FMain.hs;h=13f3ff8a8905bfb70cee02ecc1a67760dac3a60f;hb=acd934f90958d6c767fa8140c1a0702e3a6facaf;hp=669ed4f7aff847d6b25505f786056fd66783160c;hpb=68b4d860edd7697a484b15ee8de104705d613dad;p=hath.git diff --git a/src/Main.hs b/src/Main.hs index 669ed4f..13f3ff8 100644 --- a/src/Main.hs +++ b/src/Main.hs @@ -1,5 +1,5 @@ -import qualified Data.Char as DC -import qualified Data.List as DL +import Data.Char (digitToInt, intToDigit) +import Data.List (concatMap, intercalate, intersperse, splitAt) import qualified Numeric as N import System.Exit (exitFailure) import Text.Regex.Posix @@ -20,7 +20,7 @@ maskbits cidr = read ((splitWith (`elem` "/") cidr) !! 1) -- Takes an Int, and returns its base-two representation as a String. base_two :: Int -> String -base_two n = N.showIntAtBase 2 DC.intToDigit n "" +base_two n = N.showIntAtBase 2 intToDigit n "" -- Takes a set of octets, and converts them to base-two @@ -28,7 +28,7 @@ base_two n = N.showIntAtBase 2 DC.intToDigit n "" -- characters, and concatenated together. octets_base_two :: [Int] -> String octets_base_two octet_list = - DL.concatMap ((pad_left_to 8 '0') .base_two) octet_list + concatMap ((pad_left_to 8 '0') .base_two) octet_list -- Returns the minimum address (as a base-two string) satisfying the @@ -55,10 +55,10 @@ min_base_two_octets cidr = [octet1, octet2, octet3, octet4] where addr = min_base_two_address cidr - octet1 = fst (DL.splitAt 8 addr) - octet2 = fst (DL.splitAt 8 (snd (DL.splitAt 8 addr))) - octet3 = fst (DL.splitAt 8 (snd (DL.splitAt 16 addr))) - octet4 = snd (DL.splitAt 24 addr) + octet1 = fst (splitAt 8 addr) + octet2 = fst (splitAt 8 (snd (splitAt 8 addr))) + octet3 = fst (splitAt 8 (snd (splitAt 16 addr))) + octet4 = snd (splitAt 24 addr) -- The octet components of max_base_two_address, as a base-two String. @@ -67,10 +67,10 @@ max_base_two_octets cidr = [octet1, octet2, octet3, octet4] where addr = max_base_two_address cidr - octet1 = fst (DL.splitAt 8 addr) - octet2 = fst (DL.splitAt 8 (snd (DL.splitAt 8 addr))) - octet3 = fst (DL.splitAt 8 (snd (DL.splitAt 16 addr))) - octet4 = snd (DL.splitAt 24 addr) + octet1 = fst (splitAt 8 addr) + octet2 = fst (splitAt 8 (snd (splitAt 8 addr))) + octet3 = fst (splitAt 8 (snd (splitAt 16 addr))) + octet4 = snd (splitAt 24 addr) -- The octet components of min_base_two_address, as Ints. @@ -104,7 +104,7 @@ base_two_to_base_ten s = else fst (parsed !! 0) where - parsed = N.readInt 2 is_binary_digit DC.digitToInt s + parsed = N.readInt 2 is_binary_digit digitToInt s -- A regular expression that matches a non-address character. @@ -130,7 +130,7 @@ addr_barrier x = non_addr_char ++ x ++ non_addr_char -- 5. Stick an address boundary on either side of the result. cidr_to_regex :: String -> String cidr_to_regex cidr = - addr_barrier (DL.intercalate "\\." [range1, range2, range3, range4]) + addr_barrier (intercalate "\\." [range1, range2, range3, range4]) where range1 = numeric_range min1 max1 range2 = numeric_range min2 max2 @@ -155,7 +155,7 @@ is_valid_cidr cidr = cidr =~ "([0-9]{1,3}\\.){3}[0-9]{1,3}/[0-9]{1,2}" -- Take a list of Strings, and return a regular expression matching -- any of them. alternate :: [String] -> String -alternate terms = "(" ++ (concat (DL.intersperse "|" terms)) ++ ")" +alternate terms = "(" ++ (concat (intersperse "|" terms)) ++ ")" -- Take two Ints as parameters, and return a regex matching any