Module: Gitlab::I18n::Pluralization

Defined in:

lib/gitlab/i18n/pluralization.rb

Overview

Pluralization formulas per locale used by FastGettext via: ‘FastGettext.pluralisation_rule.call(count)`.

Defined Under Namespace

Modules: FastGettextClassMethods

Constant Summary

MAP =

rubocop:disable all

{
  "bg" => ->(n) { (n != 1) },
  "cs_CZ" => ->(n) { (n==1) ? 0 : (n>=2 && n<=4) ? 1 : 3 },
  "da_DK" => ->(n) { (n != 1) },
  "de" => ->(n) { (n != 1) },
  "en" => ->(n) { (n != 1) },
  "eo" => ->(n) { (n != 1) },
  "es" => ->(n) { (n != 1) },
  "fil_PH" => ->(n) { (n > 1) },
  "fr" => ->(n) { (n > 1) },
  "gl_ES" => ->(n) { (n != 1) },
  "id_ID" => ->(n) { 0 },
  "it" => ->(n) { (n != 1) },
  "ja" => ->(n) { 0 },
  "ko" => ->(n) { 0 },
  "nb_NO" => ->(n) { (n != 1) },
  "nl_NL" => ->(n) { (n != 1) },
  "pl_PL" => ->(n) { (n==1 ? 0 : (n%10>=2 && n%10<=4) && (n%100<12 || n%100>14) ? 1 : n!=1 && (n%10>=0 && n%10<=1) || (n%10>=5 && n%10<=9) || (n%100>=12 && n%100<=14) ? 2 : 3) },
  "pt_BR" => ->(n) { (n != 1) },
  "ro_RO" => ->(n) { (n==1 ? 0 : (n==0 || (n%100>0 && n%100<20)) ? 1 : 2) },
  "ru" => ->(n) { ((n%10==1 && n%100!=11) ? 0 : ((n%10 >= 2 && n%10 <=4 && (n%100 < 12 || n%100 > 14)) ? 1 : ((n%10 == 0 || (n%10 >= 5 && n%10 <=9)) || (n%100 >= 11 && n%100 <= 14)) ? 2 : 3)) },
  "si_LK" => ->(n) { (n != 1) },
  "tr_TR" => ->(n) { (n != 1) },
  "uk" => ->(n) { ((n%10==1 && n%100!=11) ? 0 : ((n%10 >= 2 && n%10 <=4 && (n%100 < 12 || n%100 > 14)) ? 1 : ((n%10 == 0 || (n%10 >= 5 && n%10 <=9)) || (n%100 >= 11 && n%100 <= 14)) ? 2 : 3)) },
  "zh_CN" => ->(n) { 0 },
  "zh_HK" => ->(n) { 0 },
  "zh_TW" => ->(n) { 0 }
}.freeze

NOT_FOUND_ERROR =

rubocop:enable

lambda do |locale|
  po = File.expand_path("../../../locale/#{locale}/gitlab.po", __dir__)

  forms = File.read(po)[/Plural-Forms:.*; plural=(.*?);\\n/, 1] if File.exist?(po)
  suggestion = <<~TEXT if forms
    Add the following line to #{__FILE__}:

      MAP = {
        ...
        "#{locale}" => ->(n) { #{forms} },
        ...
      }.freeze

    This rule was extracted from #{po}.
  TEXT

  raise ArgumentError, <<~MESSAGE
    Missing pluralization rule for locale #{locale.inspect}.

    #{suggestion}
  MESSAGE
end

Class Method Summary

• .call(count) ⇒ Object
• .install_on(klass) ⇒ Object

Class Method Details

.call(count) ⇒ Object

# File 'lib/gitlab/i18n/pluralization.rb', line 62

def self.call(count)
  locale = FastGettext.locale

  MAP.fetch(locale, &NOT_FOUND_ERROR).call(count)
end

.install_on(klass) ⇒ Object

# File 'lib/gitlab/i18n/pluralization.rb', line 68

def self.install_on(klass)
  klass.extend(FastGettextClassMethods)
end