Class: StringToNumber::ToNumber

Inherits:
Object
  • Object
show all
Defined in:
lib/string_to_number/to_number.rb

Constant Summary collapse

EXCEPTIONS = 
{
  'zéro' => 0,
  'zero' => 0,
  'un' => 1,
  'deux' => 2,
  'trois' => 3,
  'quatre' => 4,
  'cinq' => 5,
  'six' => 6,
  'sept' => 7,
  'huit' => 8,
  'neuf' => 9,
  'dix' => 10,
  'onze' => 11,
  'douze' => 12,
  'treize' => 13,
  'quatorze' => 14,
  'quinze' => 15,
  'seize' => 16,
  'dix-sept' => 17,
  'dix-huit' => 18,
  'dix-neuf' => 19,
  'vingt' => 20,
  'trente' => 30,
  'quarante' => 40,
  'cinquante' => 50,
  'soixante' => 60,
  'soixante-dix' => 70,
  'quatre-vingts' => 80,
  'quatre-vingt' => 80,
  'quatre-vingt-dix' => 90,
  'quatre-vingts-dix' => 90
}.freeze
POWERS_OF_TEN = 
{
  'un' => 0,
  'dix' => 1,
  'cent' => 2,
  'mille' => 3,
  'million' => 6,
  'billion' => 9,
  'trillion' => 12,
  'quadrillion' => 15,
  'quintillion' => 18,
  'sextillion' => 21,
  'septillion' => 24,
  'octillion' => 27,
  'nonillion' => 30,
  'decillion' => 33,
  'undecillion' => 36,
  'duodecillion' => 39,
  'tredecillion' => 42,
  'quattuordecillion' => 45,
  'quindecillion' => 48,
  'sexdecillion' => 51,
  'septendecillion' => 54,
  'octodecillion' => 57,
  'novemdecillion' => 60,
  'vigintillion' => 63,
  'unvigintillion' => 66,
  'duovigintillion' => 69,
  'trevigintillion' => 72,
  'quattuorvigintillion' => 75,
  'quinvigintillion' => 78,
  'sexvigintillion' => 81,
  'septenvigintillion' => 84,
  'octovigintillion' => 87,
  'novemvigintillion' => 90,
  'trigintillion' => 93,
  'untrigintillion' => 96,
  'duotrigintillion' => 99,
  'googol' => 100
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sentence = '') ⇒ ToNumber

Returns a new instance of ToNumber.



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# File 'lib/string_to_number/to_number.rb', line 81

def initialize(sentence = '')
  @keys = POWERS_OF_TEN.keys.reject { |k| %w[un dix].include?(k) }.join('|')
  @sentence = sentence
end

Instance Attribute Details

#keys ⇒ Object

Returns the value of attribute keys.



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# File 'lib/string_to_number/to_number.rb', line 5

def keys
  @keys
end

#sentence ⇒ Object

Returns the value of attribute sentence.



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# File 'lib/string_to_number/to_number.rb', line 5

def sentence
  @sentence
end

Instance Method Details

#to_number ⇒ Object 



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# File 'lib/string_to_number/to_number.rb', line 86

def to_number
  extract(@sentence, keys)
end