Class: Nihonjin::Suji

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

Constant Summary collapse

Hankaku = 
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Zenkaku = 
["０", "１" , "２", "３", "４", "５", "６", "７", "８", "９"]
Kanji = 
["〇", "一", "二", "三", "四", "五", "六", "七", "八", "九"]
Daiji = 
["零", "壱", "弐", "参", "肆", "伍", "陸", "漆", "捌", "玖"]
Daisu = 
["万", "億", "兆", "京", "垓", "𥝱", "穣", "溝", "澗", "正", "載", "極"]

Instance Method Summary collapse

Instance Method Details

#daiji(num) ⇒ Object 



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# File 'lib/nihonjin/suji.rb', line 66

def daiji(num)
  type = type?(num)
  return num if type == "大字"
  num = converter(num, type, Daiji)
end

#hankaku(num) ⇒ Object 



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# File 'lib/nihonjin/suji.rb', line 48

def hankaku(num)
  type = type?(num)
  return num.to_i if type == "半角"
  num = converter(num, type, Hankaku)    
end

#kanji(num) ⇒ Object 



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# File 'lib/nihonjin/suji.rb', line 60

def kanji(num)
  type = type?(num)
  return num if type == "漢字"
  num = converter(num, type, Kanji)
end

#kanji_henkan(num) ⇒ Object 



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# File 'lib/nihonjin/suji.rb', line 72

def kanji_henkan(num)
  num = num.to_s
  if num == "0"
    return kanji(num)
  end
  comma_place = 4
  comma_counter = 0
  loop do
    if comma_place > (num.length)
      break
    else
      num[-(comma_place + comma_counter), 0] = "," if num[-(comma_place + comma_counter)] != nil
      comma_place += 4
      comma_counter += 1
    end
  end
  split_num = num.split(",")
  split_num.shift if split_num[0] == ""
  
  kanji_array = split_num.map do |n|
    case n.length
    when 1
      ichi(n)
    when 2
      ju(n)
    when 3
      hyaku(n)
    when 4
      sen(n)
    end
  end

  num = String.new
  kanji_array.length.times do |n|
    num[0, 0] += Daisu[n] + kanji_array[-(n + 1)]
  end
  Daisu.each do |ds|
    regexp_str = "^" + ds
    regexp = Regexp.new(regexp_str)
    if num =~ regexp
      num[0] = ""
    end
  end

  # 数字は「一兆億万」とかにならなくて「一兆」みたいになるように
  num.length.times do |n|
    Daisu.each do |ds|
      if num[n] == ds
        if num[n + 1] == Daisu[(Daisu.index(ds)) - 1]
          num[n + 1] = ""
        end
      end
    end
  end
  
  # p split_num
  num

end

#to_i(num) ⇒ Object 



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# File 'lib/nihonjin/suji.rb', line 42

def to_i(num)
  return num unless !(num.instance_of? Integer)
  num = hankaku(num)
  num.to_i
end

#type?(num) ⇒ Boolean

ユーザも使えるようにpublicにしました

Returns:

  • (Boolean) 


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# File 'lib/nihonjin/suji.rb', line 16

def type?(num)
  num = num.to_s
  constants = [Hankaku, Zenkaku, Kanji, Daiji]
  type = nil
  constants.each do |constant|
    10.times do |n|
      regexp = Regexp.new(constant[n].to_s)
      if num.match(regexp)
        type = constant
        break
      end
    end
  end
  if type == Zenkaku
    "全角"
  elsif type == Kanji
    "漢字"
  elsif type == Daiji
    "大字"
  elsif type == Hankaku
    "半角"
  else
    ""
  end
end

#zenkaku(num) ⇒ Object 



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# File 'lib/nihonjin/suji.rb', line 54

def zenkaku(num)
  type = type?(num)
  return num if type == "全角"
  num = converter(num, type, Zenkaku)
end