Ruby_Design_Pattern/Composite.rb at master · getty104/Ruby_Design_Pattern · GitHub

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class Files
	@@num=0
	def initialize()
	end

	def geta
		1
	end

	def show(dammy)
		@@num+=1
		puts "file#{@@num}"
	end
end

class Directorys
	@@num=0
	@@sp =""
	def initialize()
		@file = []
	end

	def add(file)
		@file << file
	end

	def geta
		ans=1
		@file.each do |obj|
			ans += obj.geta
		end
		ans
	end

	def show(space)
		@@num+=1
		puts "directory#{@@num}{"
		@file.each do |obj|
			print "#{space}"
			obj.show(space+" ")
		end
		print(space)
		puts "}"

	end
end

d1 = Directorys.new
d1.add(Files.new)
d1.add(Files.new)

d2 = Directorys.new
d2.add(Files.new)
d2.add(Files.new)

d1.add(d2)

d3 = Directorys.new
d3.add(Files.new)

d2.add(d3)
d2.add(Files.new)
d2.add(Files.new)
d1.add(Files.new)
d1.add(Files.new)
d1.show("")
puts "Amount of Data:#{d1.geta}"