87 lines
3.1 KiB
Ruby
87 lines
3.1 KiB
Ruby
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# frozen_string_literal: true
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module Gitlab
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module I18n
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# Pluralization formulas per locale used by FastGettext via:
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# `FastGettext.pluralisation_rule.call(count)`.
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module Pluralization
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# rubocop:disable all
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MAP = {
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"bg" => ->(n) { (n != 1) },
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"cs_CZ" => ->(n) { (n==1) ? 0 : (n>=2 && n<=4) ? 1 : 3 },
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"da_DK" => ->(n) { (n != 1) },
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"de" => ->(n) { (n != 1) },
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"en" => ->(n) { (n != 1) },
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"eo" => ->(n) { (n != 1) },
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"es" => ->(n) { (n != 1) },
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"fil_PH" => ->(n) { (n > 1) },
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"fr" => ->(n) { (n > 1) },
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"gl_ES" => ->(n) { (n != 1) },
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"id_ID" => ->(n) { 0 },
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"it" => ->(n) { (n != 1) },
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"ja" => ->(n) { 0 },
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"ko" => ->(n) { 0 },
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"nb_NO" => ->(n) { (n != 1) },
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"nl_NL" => ->(n) { (n != 1) },
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"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) },
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"pt_BR" => ->(n) { (n != 1) },
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"ro_RO" => ->(n) { (n==1 ? 0 : (n==0 || (n%100>0 && n%100<20)) ? 1 : 2) },
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"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)) },
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"si_LK" => ->(n) { (n != 1) },
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"tr_TR" => ->(n) { (n != 1) },
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"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)) },
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"zh_CN" => ->(n) { 0 },
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"zh_HK" => ->(n) { 0 },
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"zh_TW" => ->(n) { 0 }
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}.freeze
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# rubocop:enable
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NOT_FOUND_ERROR = lambda do |locale|
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po = File.expand_path("../../../locale/#{locale}/gitlab.po", __dir__)
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forms = File.read(po)[/Plural-Forms:.*; plural=(.*?);\\n/, 1] if File.exist?(po)
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suggestion = <<~TEXT if forms
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Add the following line to #{__FILE__}:
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MAP = {
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...
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"#{locale}" => ->(n) { #{forms} },
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...
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}.freeze
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This rule was extracted from #{po}.
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TEXT
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raise ArgumentError, <<~MESSAGE
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Missing pluralization rule for locale #{locale.inspect}.
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#{suggestion}
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MESSAGE
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end
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def self.call(count)
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locale = FastGettext.locale
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MAP.fetch(locale, &NOT_FOUND_ERROR).call(count)
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end
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def self.install_on(klass)
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klass.extend(FastGettextClassMethods)
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end
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module FastGettextClassMethods
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# FastGettext allows to set the rule via
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# `FastGettext.pluralisation_rule=` which is on thread-level.
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#
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# Because we are patching FastGettext at boot time per thread values
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# won't work so we have to override the method implementation.
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#
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# `FastGettext.pluralisation_rule=` has now no effect.
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def pluralisation_rule
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Gitlab::I18n::Pluralization
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end
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end
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end
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end
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end
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