Module: Num2words::Locales::NL

Defined in:
lib/num2words/locales/nl.rb

Constant Summary collapse

ONES_MASC = 
I18n.t("num2words.ones_masc", locale: :nl)
ONES_FEM = 
I18n.t("num2words.ones_fem", locale: :nl)
TEENS = 
I18n.t("num2words.teens", locale: :nl)
TENS = 
I18n.t("num2words.tens", locale: :nl)
HUNDREDS = 
I18n.t("num2words.hundreds", locale: :nl)
SCALES = 
I18n.t("num2words.scales", locale: :nl)
FRACTIONS = 
I18n.t("num2words.fractions", locale: :nl)
GRAMMAR = 
I18n.t("num2words.grammar", locale: :nl)
DATE = 
I18n.t("num2words.date", locale: :nl)
DATE_TEMPLATE = 
I18n.t("num2words.date.template", locale: :nl)
TIME = 
I18n.t("num2words.time", locale: :nl)
TIME_TEMPLATE = 
I18n.t("num2words.time.template", locale: :nl)
DATETIME_TEMPLATE = 
I18n.t("num2words.datetime.template", locale: :nl)
ORDINALS = 
I18n.t("num2words.numbers.ordinals", locale: :nl)

Class Method Summary collapse

Class Method Details

.cardinal(number) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 99

def cardinal(number)
  integer_value = Integer(number)
  negative = integer_value.negative?
  integer_value = integer_value.abs

  return ONES_MASC[0] if integer_value.zero?

  groups = integer_value.to_s
                        .chars.reverse.each_slice(3).map(&:reverse)
                        .map(&:join).map!(&:to_i).reverse

  words = []
  groups.each_with_index do |group_value, index|
    next if group_value.zero?

    scale_idx = groups.size - index - 1
    group_words = triple_to_words(group_value, scale_idx)
    group_words.shift if scale_idx == 1 && group_value == 1
    words.concat(group_words)
  end

  words.unshift(minus_word) if negative
  words.join(" ")
end

.compound_ones(number) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 144

def compound_ones(number)
  case number
  when 2 then "tweeën"
  when 3 then "drieën"
  else "#{ONES_MASC[number]}en"
  end
end

.currency_major_feminine?(_currency) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/num2words/locales/nl.rb', line 78

def currency_major_feminine?(_currency)
  false
end

.currency_minor_feminine?(_currency) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/num2words/locales/nl.rb', line 82

def currency_minor_feminine?(_currency)
  false
end

.currency_number_words(number, _currency, unit:) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 86

def currency_number_words(number, _currency, unit:)
  cardinal(number)
end

.date_day(day, format:, date_case:) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 62

def date_day(day, format:, date_case:)
  ordinal(day, :nominative)
end

.date_year(year, format:) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 66

def date_year(year, format:)
  cardinal(year)
end

.decimal_fraction_words(fraction_string) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 58

def decimal_fraction_words(fraction_string)
  fraction_string.chars.map { |digit| cardinal(digit.to_i) }.join(" ")
end

.decimal_separator_word ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 54

def decimal_separator_word
  GRAMMAR[:conjunction]
end

.default_fraction_word ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 46

def default_fraction_word
  GRAMMAR[:default_fraction]
end

.fraction_joiner(joiner) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 42

def fraction_joiner(joiner)
  joiner.to_sym == :and ? "en" : GRAMMAR[:conjunction]
end

.fraction_numerator_feminine? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/num2words/locales/nl.rb', line 50

def fraction_numerator_feminine?
  false
end

.integer_to_words(number, feminine: false) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 26

def integer_to_words(number, feminine: false)
  cardinal(number)
end

.minus_word ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 38

def minus_word
  GRAMMAR[:minus]
end

.ordinal(value, format, gender: :masculine) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 90

def ordinal(value, format, gender: :masculine)
  ordinals = ORDINALS[format] || ORDINALS[:default] || ORDINALS[:nominative]
  gender_data = ordinals[gender] || ordinals[:masculine]

  return gender_data[value - 1] if value.between?(1, gender_data.length)

  cardinal(value)
end

.pluralize(number, singular, few, plural) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 152

def pluralize(number, singular, few, plural)
  number.abs == 1 ? singular : plural
end

.time_number_words(number, unit:) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 74

def time_number_words(number, unit:)
  cardinal(number)
end

.time_unit_feminine?(_unit) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/num2words/locales/nl.rb', line 70

def time_unit_feminine?(_unit)
  false
end

.triple_to_words(number, scale_idx, feminine: false) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 30

def triple_to_words(number, scale_idx, feminine: false)
  return [] if number.zero?

  words = [under_thousand(number)]
  words << pluralize(number, *SCALES[scale_idx]) unless scale_idx.zero?
  words
end

.under_hundred(number) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 134

def under_hundred(number)
  return ONES_MASC[number] if number < 10
  return TEENS[number - 10] if number < 20
  return TENS[number / 10] if (number % 10).zero?

  ones = compound_ones(number % 10)
  tens = TENS[number / 10]
  "#{ones}#{tens}"
end

.under_thousand(number) ⇒ Object 



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# File 'lib/num2words/locales/nl.rb', line 124

def under_thousand(number)
  return under_hundred(number) if number < 100

  hundreds = number / 100
  rest = number % 100
  words = [HUNDREDS[hundreds]]
  words << under_hundred(rest) if rest.positive?
  words.join(" ")
end