methods.rb in better_ipaddr-0.3.0

- old
+ new
@@ -1,53 +1,8 @@
 require "ipaddr"
-require "socket"
+require "better_ipaddr/constants"
 
 module BetterIpaddr
-  module Constants
-    # Integer codes representing supported address clases.
-    # Reuse values from Socket namespace where possible.
-    module Family
-      IPV4 = Socket::AF_INET
-      IPV6 = Socket::AF_INET6
-      EUI48 = 48
-      EUI64 = 64
-    end
-
-    # Map well known address family names to constants.
-    SYMBOL_TO_FAMILY = {
-      ipv4: Family::IPV4,
-      ipv6: Family::IPV6,
-      eui48: Family::EUI48,
-      eui64: Family::EUI64,
-      mac: Family::EUI48
-    }
-
-    # Map each address family to the size of its address space, in bits.
-    FAMILY_TO_BIT_LENGTH = {
-      Family::IPV4 => 32,
-      Family::IPV6 => 128,
-      Family::EUI48 => 48,
-      Family::EUI64 => 64
-    }
-
-    # Map all possible prefix lengths to the corresponding netmasks.
-    PREFIX_LENGTH_TO_NETMASK = {}
-    FAMILY_TO_BIT_LENGTH.each_pair do |family, size|
-      netmasks = []
-      (0..size).each do |prefix_length|
-        netmasks[prefix_length] = 2**size - 2**(size - prefix_length)
-      end
-      PREFIX_LENGTH_TO_NETMASK[family] = netmasks
-    end
-
-    # Map all possible netmasks to the corresponding prefix lengths.
-    NETMASK_TO_PREFIX_LENGTH = {}
-    PREFIX_LENGTH_TO_NETMASK.each_pair do |family, hash|
-      NETMASK_TO_PREFIX_LENGTH[family] =
-        Hash[hash.map.with_index { |e, i| [e, i] }]
-    end
-  end
-
   module ClassMethods
     include Constants
 
     # @overload [](address, family)
     #   @param address [Integer] the integer representation of the address