# Flyweight パターン
#
# Java言語で学ぶデザインパターンと同様の例題をRubyで記述した。
#
# coded by Takehiro Kaga
#

class BigChar
  def initialize(charname)
    buf = ""
    @charname = charname
    file = open("../tk/" + "big" + charname + ".txt")
    while line = file.gets
      buf += line
      buf += "\n"
    end
    file.close
    @fontdata = buf
  end
  def printchar
    print @fontdata
  end
end


# test1

# bigC1 = BigChar.new("1")
# bigC1.printchar
# puts " "
# bigC3 = BigChar.new("3")
# bigC3.printchar
# puts " "

class BigCharFactory
  
  # Singleton パターン適用
  private_class_method :new
  @@singleObject = nil

  def BigCharFactory.create
    @@singleObject = new unless @@singleObject   # 唯一のインスタンスを得る
    @@singleObject
  end

  def initialize
    @pool = Hash.new
  end

  def getBigChar(charname)
    bc = @pool[charname]
    if bc == nil
      bc = BigChar.new(charname)
      @pool[charname] = bc
    end
    bc
  end
end


# test2
# bcf = BigCharFactory.create
# bc5 = bcf.getBigChar("5")
# bc5.printchar
  

class BigString
  def initialize(string)
    @bigchars = Array.new
    factory = BigCharFactory.create
    ary = string.split(//)
    ary.each { |char| @bigchars.push(factory.getBigChar( char.to_s )) }
  end
  def printchar
     @bigchars.each {|ch| ch.printchar }
  end
end


# ---- Main ---- #

bs = BigString.new("1234")
bs.printchar

#--------プログラムはここまで-----------------

# ここからそれぞれbig0.txtなど、ファイルとして格納すること

#big0.txt
....######......
..##......##....
..##......##....
..##......##....
..##......##....
..##......##....
....######......
................
#big1.txt
......##........
..######........
......##........
......##........
......##........
......##........
..##########....
................
#big2.txt
....######......
..##......##....
..........##....
......####......
....##..........
..##............
..##########....
................
#big3.txt
....######......
..##......##....
..........##....
......####......
..........##....
..##......##....
....######......
................
#big4.txt
........##......
......####......
....##..##......
..##....##......
..##########....
........##......
......######....
................
#big5.txt
..##########....
..##............
..##............
..########......
..........##....
..##......##....
....######......
................
#big6.txt
....######......
..##......##....
..##............
..########......
..##......##....
..##......##....
....######......
................
#big7.txt
..##########....
..##......##....
..........##....
........##......
......##........
......##........
......##........
................
#big8.txt
....######......
..##......##....
..##......##....
....######......
..##......##....
..##......##....
....######......
................
#big9.txt
....######......
..##......##....
..##......##....
....########....
..........##....
..##......##....
....######......
................
#big-.txt
................
................
................
................
..##########....
................
................
................