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Versions: 7
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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
require 'nokogiri'
module TwitterCldr
module Resources
class CldrLocale
attr_reader :base_locale, :cldr_requirement
def initialize(base_locale, cldr_requirement)
@base_locale = base_locale
@cldr_requirement = cldr_requirement
end
def ancestors
@ancestors ||= [].tap do |ancestry|
locale = from_fs(base_locale)
ancestry << locale
loop do
cur = from_fs(ancestry.last)
if parents = parent_locales[cur]
ancestry << to_fs(parents)
elsif I18n::Locale::Tag.tag(cur).self_and_parents.count > 1
ancestry << I18n::Locale::Tag.tag(cur).self_and_parents.last.to_sym
else
parents = TwitterCldr::Shared::Locale
.parse(cur)
.permutations
.select do |loc|
File.exist?(File.join(cldr_requirement.common_path, 'main', "#{loc}.xml"))
end
ancestry.concat(parents - [cur])
break
end
end
ancestry << "root"
ancestry.freeze
end
end
private
def to_fs(locale)
locale.to_s.gsub('_', '-').to_sym
end
def from_fs(locale)
locale.to_s.gsub('-', '_')
end
def parent_locales
@parent_locales ||= supplemental_data.xpath('//parentLocales/parentLocale').each_with_object({}) do |node, ret|
parent = node.attr('parent')
locales = node.attr('locales').split(' ')
locales.each do |locale|
ret[locale] = parent
end
end
end
def supplemental_data
@supplemental_data ||= Nokogiri.XML(
File.read(File.join(cldr_requirement.common_path, 'supplemental', 'supplementalData.xml'))
)
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems