Class | Resolv::DNS::Name |
In: |
resolv.rb
|
Parent: | Object |
# File resolv.rb, line 965 def self.create(arg) case arg when Name return arg when String return Name.new(Label.split(arg), /\.\z/ =~ arg ? true : false) else raise ArgumentError.new("cannot interpret as DNS name: #{arg.inspect}") end end
# File resolv.rb, line 976 def initialize(labels, absolute=true) @labels = labels @absolute = absolute end
# File resolv.rb, line 989 def ==(other) return false unless Name === other return @labels == other.to_a && @absolute == other.absolute? end
tests subdomain-of relation.
domain = Resolv::DNS::Name.create("y.z") p Resolv::DNS::Name.create("w.x.y.z").subdomain_of?(domain) #=> true p Resolv::DNS::Name.create("x.y.z").subdomain_of?(domain) #=> true p Resolv::DNS::Name.create("y.z").subdomain_of?(domain) #=> false p Resolv::DNS::Name.create("z").subdomain_of?(domain) #=> false p Resolv::DNS::Name.create("x.y.z.").subdomain_of?(domain) #=> false p Resolv::DNS::Name.create("w.z").subdomain_of?(domain) #=> false
# File resolv.rb, line 1005 def subdomain_of?(other) raise ArgumentError, "not a domain name: #{other.inspect}" unless Name === other return false if @absolute != other.absolute? other_len = other.length return false if @labels.length <= other_len return @labels[-other_len, other_len] == other.to_a end