class I18n::Locale::Fallbacks

Attributes

defaults[R]

Public Class Methods

new(*mappings) click to toggle source
# File lib/i18n/locale/fallbacks.rb, line 56
def initialize(*mappings)
  @map = {}
  map(mappings.pop) if mappings.last.is_a?(Hash)
  self.defaults = mappings.empty? ? [] : mappings
end

Public Instance Methods

[](locale) click to toggle source
Calls superclass method
# File lib/i18n/locale/fallbacks.rb, line 67
def [](locale)
  raise InvalidLocale.new(locale) if locale.nil?
  raise Disabled.new('fallback#[]') if locale == false
  locale = locale.to_sym
  super || store(locale, compute(locale))
end
defaults=(defaults) click to toggle source
# File lib/i18n/locale/fallbacks.rb, line 62
def defaults=(defaults)
  @defaults = defaults.map { |default| compute(default, false) }.flatten
end
map(mappings) click to toggle source
# File lib/i18n/locale/fallbacks.rb, line 74
def map(mappings)
  mappings.each do |from, to|
    from, to = from.to_sym, Array(to)
    to.each do |_to|
      @map[from] ||= []
      @map[from] << _to.to_sym
    end
  end
end

Protected Instance Methods

compute(tags, include_defaults = true, exclude = []) click to toggle source
# File lib/i18n/locale/fallbacks.rb, line 86
def compute(tags, include_defaults = true, exclude = [])
  result = Array(tags).collect do |tag|
    tags = I18n::Locale::Tag.tag(tag).self_and_parents.map! { |t| t.to_sym } - exclude
    tags.each { |_tag| tags += compute(@map[_tag], false, exclude + tags) if @map[_tag] }
    tags
  end.flatten
  result.push(*defaults) if include_defaults
  result.uniq.compact
end