Class: Raf::HeadIndex

Inherits:
Object
  • Object
show all
Defined in:
lib/rafelement.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ HeadIndex

Returns a new instance of HeadIndex.



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# File 'lib/rafelement.rb', line 7

def initialize
  @head_index = []
  @point_pre = 0
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/rafelement.rb', line 32

def clear
  @heade_index = [0,0,0,0,0,0,0]
end

#to_s ⇒ Object 



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# File 'lib/rafelement.rb', line 25

def to_s
  @head_index.map{|n|
    n = 0 if n.nil?
    n
  }.join(".") + "."
end

#update(level) ⇒ Object 



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# File 'lib/rafelement.rb', line 12

def update(level)
  point = level - 2
  if @point_pre > point
    (@point_pre - point).times do
      @head_index.pop
      @point_pre -= 1
    end
  end
  @head_index[point] ||= 0
  @head_index[point] += 1
  @point_pre = point
end