Class: Resolv::DNS::Name

Inherits:
Object
  • Object
show all
Defined in:
lib/async/dns/extensions/resolv.rb

Overview

Extensions to the Resolv::DNS::Name class.

Instance Method Summary collapse

Instance Method Details

#with_origin(origin, absolute = true) ⇒ Object

Computes the name, typically absolute, with the specified origin as a suffix. If the origin is nil, don't change the name, but change it to absolute (as specified).



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# File 'lib/async/dns/extensions/resolv.rb', line 48

def with_origin(origin, absolute = true)
	return self.class.new(@labels, absolute) if origin == nil
	
	origin = Label.split(origin) if String === origin
	
	return self.class.new(@labels + origin, absolute)
end

#without_origin(origin, absolute = false) ⇒ Object

Compute the name, typically relative, without the specified origin suffix. If the origin is nil, don't change the name, but change it to absolute (as specified).



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# File 'lib/async/dns/extensions/resolv.rb', line 62

def without_origin(origin, absolute = false)
	return self.class.new(@labels, absolute) if origin == nil
	
	origin = Label.split(origin) if String === origin
	
	if @labels.last(origin.length) == origin
		return self.class.new(@labels.first(@labels.length - origin.length), absolute)
	else
		raise OriginError.new("#{self} does not end with #{origin.join('.')}")
	end
end