Class: Kabal::English

Inherits:
Language show all
Defined in:
lib/kabal/languages/english.rb

Instance Method Summary collapse

Methods inherited from Language

#lang, #minus, #names

Instance Method Details

#convert(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 4

def convert(number)
  raise NumberOutRangeError.message if number < 0 or number >= 10 ** 12
  return single number if number >= 0 and number <= 19
  return two_words number if number >= 0 and number <= 99
  return three_words number if number >= 100 and number <= 999
  ten_powers number if number >= 100
end

#count(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 42

def count(number)
  number / (10 ** number_order(number))
end

#count_name(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 54

def count_name(number)
  three_words count(number)
end

#create_number_name(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 46

def create_number_name(number)
  if @number_name.nil?
    @number_name = count_name(number) + " " + names[lang]["ten_powers"][number_order(number)]
  elsif count(number) != 0
    @number_name += " " + count_name(number) + " " + names[lang]["ten_powers"][number_order(number)]
  end
end

#less_thousands(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 58

def less_thousands(number)
  @number_name += " and" if number < 100
  @number_name += " " + three_words(number % 1000) unless number == 0
end

#number_is_thousands?(number) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kabal/languages/english.rb', line 63

def number_is_thousands?(number)
  number_order(number) < 3
end

#number_order(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 38

def number_order(number)
  ((number.to_s.length - 1) / 3) * 3
end

#single(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 12

def single(number)
  names[lang]["single"][number]
end

#ten_powers(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 31

def ten_powers(number)
  less_thousands number if number_is_thousands? number
  return @number_name if number_is_thousands? number
  create_number_name number
  ten_powers number % (10 ** number_order(number))
end

#three_words(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 23

def three_words(number)
  return two_words number if number <= 99
  number_name = single(number / 100) + " " + names[lang]["ten_powers"][2]
  number_name += " " + two_words(number % 100) if (number % 100 >= 10)
  number_name += " and " + single(number % 100) if (number % 100 < 10)
  number_name
end

#two_words(number) ⇒ Object 



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# File 'lib/kabal/languages/english.rb', line 16

def two_words(number)
  return single number if number <= 19
  number_name = names[lang]["two_words"][number / 10]
  number_name += " " + single(number % 10) if (number % 10 != 0)
  number_name
end