Class: OCG::Operator::MIX

Inherits:
Abstract show all
Defined in:
lib/ocg/operator/mix.rb

Constant Summary

Constants inherited from OCG

DELEGATORS, VERSION

Instance Method Summary collapse

Methods inherited from Abstract

#reset

Methods inherited from OCG

#and, #mix, #or, prepare_generator, #to_a

Constructor Details

#initialize(*args) ⇒ MIX

Returns a new instance of MIX.



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# File 'lib/ocg/operator/mix.rb', line 9

def initialize(*args)
  super

  @main_generator = \
    if @right_generator.length > @left_generator.length
      @right_generator
    else
      @left_generator
    end
end

Instance Method Details

#finished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ocg/operator/mix.rb', line 41

def finished?
  @main_generator.finished?
end

#last ⇒ Object 



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# File 'lib/ocg/operator/mix.rb', line 28

def last
  left_last  = @left_generator.last
  right_last = @right_generator.last

  return nil if left_last.nil? || right_last.nil?

  left_last.merge right_last
end

#length ⇒ Object 



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# File 'lib/ocg/operator/mix.rb', line 45

def length
  @main_generator.length
end

#next ⇒ Object 



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# File 'lib/ocg/operator/mix.rb', line 20

def next
  return nil if finished?

  @left_generator.reset if @left_generator.finished?
  @right_generator.reset if @right_generator.finished?
  @left_generator.next.merge @right_generator.next
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ocg/operator/mix.rb', line 37

def started?
  @main_generator.started?
end