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# Originally was implemented by Yaroslav Markin in "russian" gem
# (http://github.com/yaroslav/russian)
#
# Used for Belarusian, Russian, Ukrainian.
module RailsI18n
module Pluralization
module EastSlavic
FROM_2_TO_4 = (2..4).to_a.freeze
FROM_5_TO_9 = (5..9).to_a.freeze
FROM_11_TO_14 = (11..14).to_a.freeze
FROM_12_TO_14 = (12..14).to_a.freeze
def self.rule
lambda do |n|
return :other unless n.is_a?(Numeric)
mod10 = n % 10
mod100 = n % 100
if mod10 == 1 && mod100 != 11
:one
elsif FROM_2_TO_4.include?(mod10) && !FROM_12_TO_14.include?(mod100)
:few
elsif mod10 == 0 || FROM_5_TO_9.include?(mod10) || FROM_11_TO_14.include?(mod100)
:many
else
:other
end
end
end
def self.with_locale(locale)
{ locale => {
:i18n => {
:plural => {
:keys => [:one, :few, :many, :other],
:rule => rule }}}}
end
end
end
end
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