Class: Resolv::DNS::Name
- Inherits:
-
Object
- Object
- Resolv::DNS::Name
- Defined in:
- lib/resolv.rb
Class Method Summary collapse
Instance Method Summary collapse
- #==(other) ⇒ Object (also: #eql?)
- #[](i) ⇒ Object
- #absolute? ⇒ Boolean
- #hash ⇒ Object
-
#initialize(labels, absolute = true) ⇒ Name
constructor
A new instance of Name.
- #inspect ⇒ Object
- #length ⇒ Object
-
#subdomain_of?(other) ⇒ Boolean
tests subdomain-of relation.
- #to_a ⇒ Object
-
#to_s ⇒ Object
returns the domain name as a string.
Constructor Details
#initialize(labels, absolute = true) ⇒ Name
Returns a new instance of Name.
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# File 'lib/resolv.rb', line 1022 def initialize(labels, absolute=true) @labels = labels @absolute = absolute end |
Class Method Details
.create(arg) ⇒ Object
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# File 'lib/resolv.rb', line 1011 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 |
Instance Method Details
#==(other) ⇒ Object Also known as: eql?
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# File 'lib/resolv.rb', line 1035 def ==(other) return false unless Name === other return @labels == other.to_a && @absolute == other.absolute? end |
#[](i) ⇒ Object
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# File 'lib/resolv.rb', line 1071 def [](i) return @labels[i] end |
#absolute? ⇒ Boolean
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# File 'lib/resolv.rb', line 1031 def absolute? return @absolute end |
#hash ⇒ Object
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# File 'lib/resolv.rb', line 1059 def hash return @labels.hash ^ @absolute.hash end |
#inspect ⇒ Object
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# File 'lib/resolv.rb', line 1027 def inspect "#<#{self.class}: #{self.to_s}#{@absolute ? '.' : ''}>" end |
#length ⇒ Object
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# File 'lib/resolv.rb', line 1067 def length return @labels.length end |
#subdomain_of?(other) ⇒ Boolean
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
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# File 'lib/resolv.rb', line 1051 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 |
#to_a ⇒ Object
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# File 'lib/resolv.rb', line 1063 def to_a return @labels end |
#to_s ⇒ Object
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# File 'lib/resolv.rb', line 1083 def to_s return @labels.join('.') end |