Module: HumanNumbers::French

Defined in:
lib/human_numbers/french.rb

Class Method Summary collapse

Class Method Details

.cardinal_factor(n, name, factor, gender) ⇒ Object 



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# File 'lib/human_numbers/french.rb', line 4

def self.cardinal_factor(n, name, factor, gender)
  factored = n / factor
  mod = n % factor
  name += 's' if factor > 1000 and factored > 1
  cardinal_number(factored) + "-#{name}" + cardinal_number(mod, gender, '-')
end

.cardinal_number(n, gender = :masculine, prefix = '') ⇒ Object 



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# File 'lib/human_numbers/french.rb', line 11

def self.cardinal_number(n, gender=:masculine, prefix='')
  return prefix.empty? ? 'zéro' : '' if n.zero?
  if n >= HumanNumbers::UPPER_BOUND
    raise ArgumentError, "number too large to print in French: #{n}"
  end

  prefix +
  if    n >= 10 ** 30
    cardinal_factor(n, 'quintillion',  10 ** 30, gender)
  elsif n >= 10 ** 27
    cardinal_factor(n, 'quadrilliard', 10 ** 27, gender)
  elsif n >= 10 ** 24
    cardinal_factor(n, 'quadrillion',  10 ** 24, gender)
  elsif n >= 10 ** 21
    cardinal_factor(n, 'trilliard',    10 ** 21, gender)
  elsif n >= 10 ** 18
    cardinal_factor(n, 'trillion',     10 ** 18, gender)
  elsif n >= 10 ** 15
    cardinal_factor(n, 'billiard',     10 ** 15, gender)
  elsif n >= 10 ** 12
    cardinal_factor(n, 'billion',      10 ** 12, gender)
  elsif n >= 10 ** 9
    cardinal_factor(n, 'milliard',     10 ** 9, gender)
  elsif n >= 10 ** 6
    cardinal_factor(n, 'million',      10 ** 6, gender)
  elsif n >= 2000
    cardinal_factor(n, 'mille',        10 ** 3, gender)
  elsif n >= 1000
    'mille' + simple_cardinal(n % 1000, gender, '-')
  elsif n > 100 and n % 100 == 0
    cardinal_number(n / 100) + '-cents'
  elsif n >= 200
    cardinal_factor(n, 'cent', 100, gender)
  elsif n >= 100
    'cent' + simple_cardinal(n % 100, gender, '-')
  elsif n > 80
    'quatre-vingt' + simple_cardinal(n - 80, gender, '-')
  elsif n == 80
    'quatre-vingts'
  elsif n == 71
    'soixante-et-onze'
  elsif n > 60
    'soixante' + simple_cardinal(n - 60, gender, '-')
  elsif n > 20
    mod = n % 10
    simple_cardinal(n / 10 * 10) +
      simple_cardinal(mod, gender, mod == 1 ? '-et-' : '-')
  else
    simple_cardinal(n, gender)
  end
end

.ordinal_number(n, gender) ⇒ Object 



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# File 'lib/human_numbers/french.rb', line 95

def self.ordinal_number(n, gender)
  case n
  when 1; gender == :masculine ? 'premier' : 'première'
  when 5; 'cinquième'
  else
    cardinal_number(n, gender).sub(/f$/, 'v').sub(/e?$/, 'ième')
  end
end

.simple_cardinal(n, gender = :masculine, prefix = '') ⇒ Object 



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# File 'lib/human_numbers/french.rb', line 63

def self.simple_cardinal(n, gender=:masculine, prefix='')
  return '' if n.zero?

  prefix +
  case n
  when  1; gender == :masculine ? 'un' : 'une'
  when  2; 'deux'
  when  3; 'trois'
  when  4; 'quatre'
  when  5; 'cinq'
  when  6; 'six'
  when  7; 'sept'
  when  8; 'huit'
  when  9; 'neuf'
  when 10; 'dix'
  when 11; 'onze'
  when 12; 'douze'
  when 13; 'treize'
  when 14; 'quatorze'
  when 15; 'quinze'
  when 16; 'seize'
  when 17; 'dix-sept'
  when 18; 'dix-huit'
  when 19; 'dix-neuf'
  when 20; 'vingt'
  when 30; 'trente'
  when 40; 'quarante'
  when 50; 'cinquante'
  when 60; 'soixante'
  end
end