Contents

#!/usr/bin/ruby
# coding: utf-8
# frozen_string_literal:true

module GeezifyRb
  # This class contains the processing tools to convert arabic numbers to Geeze.
  class Geezify
    ERROR_MSG_CONSTRUCTOR = 'invalid input the input is not a number'
    ERROR_MSG1 = 'invalid input to method geezify_2digit'
    ERROR_MSG2 = 'invalid input to geezify_4digit'

    def initialize(num)
      raise ArgumentError, ERROR_MSG_CONSTRUCTOR unless num.integer?

      @num = num
    end

    def self.geezify(num)
      new(num).geezify
    end

    def geezify
      clean_up_uncessary_1s geezify_with_1s(@num)
    end

    private

    def geezify_2digit(num)
      oneth_array = Array['', '፩', '፪', '፫', '፬', '፭', '፮', '፯', '፰', '፱']
      tenth_array = Array['', '፲', '፳', '፴', '፵', '፶', '፷', '፸', '፹', '፺']
      raise ArgumentError, ERROR_MSG1 unless num.integer? &&
                                             num.between?(0, 99)

      tenth_array[(num / 10)] + oneth_array[num % 10]
    end

    def geezify_4digit(num)
      raise ArgumentError, ERROR_MSG unless num.integer? && num < 10_000

      num.digits(100).reverse.map { |x| geezify_2digit(x) }.join('፻')
    end

    def geezify_with_1s(num)
      num.digits(10_000).reverse.map { |x| geezify_4digit(x) }.join('፼')
    end

    def clean_up_uncessary_1s(num)
      num.gsub('፼፩፻', '፼፻').gsub(/^፩፼/, '፼').gsub(/^(፩፻)/, '፻') || num
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
geezify-rb-0.2.8	lib/geezify-rb/geezify.rb