Class: ODDB::MedData::EanFactory

Inherits:
Object
  • Object
show all
Defined in:
ext/meddata/src/ean_factory.rb

Instance Method Summary collapse

Constructor Details

#initialize(start, max = 13) ⇒ EanFactory

Returns a new instance of EanFactory.



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# File 'ext/meddata/src/ean_factory.rb', line 9

def initialize(start, max=13)
	@current = (start.to_i - 1).to_s
	@max = max - 1
end

Instance Method Details

#clarify ⇒ Object 



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# File 'ext/meddata/src/ean_factory.rb', line 19

def clarify
	if(@current.size < @max)
		@current << '0'
	elsif(@current.size == @max)
		@current << Ean13.checksum(@current)
	else
		@current = @current[0,@max]
		self.next
	end
end

#next ⇒ Object 



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# File 'ext/meddata/src/ean_factory.rb', line 13

def next
	if(@current[-1] == ?9)
		@current.chop!
	end
	@current.next!
end