diff options
| -rw-r--r-- | ChangeLog | 12 | ||||
| -rw-r--r-- | lib/ipaddr.rb | 31 |
2 files changed, 43 insertions, 0 deletions
@@ -1,3 +1,15 @@ +Fri Oct 5 03:25:51 2007 Akinori MUSHA <knu@iDaemons.org> + + * lib/ipaddr.rb (<=>): Implement IPAddr#<=> and make IPAddr + comparable. + + * lib/ipaddr.rb (succ): Implement IPAddr#succ. You can now create + a range between two IPAddr's, which (Range) object is + enumeratable. + + * lib/ipaddr.rb (to_range): A new method to create a Range object + for the (network) address. + Fri Oct 5 03:14:45 2007 Akinori MUSHA <knu@iDaemons.org> * lib/ipaddr.rb (coerce_other): Support type coercion and make &, diff --git a/lib/ipaddr.rb b/lib/ipaddr.rb index 336c5e1b21..56b906c805 100644 --- a/lib/ipaddr.rb +++ b/lib/ipaddr.rb @@ -312,6 +312,37 @@ class IPAddr return _reverse + ".ip6.int" end + # Returns the successor to the ipaddr. + def succ + return self.clone.set(@addr + 1, @family) + end + + # Compares the ipaddr with another. + def <=>(other) + other = coerce_other(other) + + return nil if other.family != @family + + return @addr <=> other.to_i + end + include Comparable + + # Creates a Range object for the network address. + def to_range + begin_addr = (@addr & @mask_addr) + + case @family + when Socket::AF_INET + end_addr = (@addr | (IN4MASK ^ @mask_addr)) + when Socket::AF_INET6 + end_addr = (@addr | (IN6MASK ^ @mask_addr)) + else + raise "unsupported address family" + end + + return clone.set(begin_addr, @family)..clone.set(end_addr, @family) + end + # Returns a string containing a human-readable representation of the # ipaddr. ("#<IPAddr: family:address/mask>") def inspect |