class TwitterCldr::Shared::NumberingSystem

Attributes

digits[R]
name[R]

Public Class Methods

for_locale(locale, format = :decimal) click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 26
def for_locale(locale, format = :decimal)
  locale_cache[locale] ||= begin
    num_resource = TwitterCldr.get_locale_resource(locale, :numbers)

    system_name = TwitterCldr::Utils.traverse_hash(
      num_resource[locale], [:numbers, :formats, format, :number_system]
    )

    system_name ||= TwitterCldr::Utils.traverse_hash(
      num_resource[locale], [:numbers, :default_number_systems, :default]
    )

    for_name(system_name) if system_name
  end
end
for_name(name) click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 14
def for_name(name)
  name_cache[name] ||= begin
    if system = resource[name.to_sym]
      if system[:type] != "numeric"
        raise UnsupportedNumberingSystemError.new("#{system[:type]} numbering systems not supported.")
      else
        new(system[:name], system[:digits])
      end
    end
  end
end
new(name, digits) click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 59
def initialize(name, digits)
  @name = name
  @digits = split_digits(digits)
end

Private Class Methods

locale_cache() click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 44
def locale_cache
  @locale_cache ||= {}
end
name_cache() click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 48
def name_cache
  @name_cache ||= {}
end
resource() click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 52
def resource
  @resource ||= TwitterCldr.get_resource(:shared, :numbering_systems)[:numbering_systems]
end

Public Instance Methods

transliterate(number) click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 64
def transliterate(number)
  number.to_s.gsub(/\d/) do |digit|
    digits[digit.to_i]
  end
end

Private Instance Methods

split_digits(str) click to toggle source
# File lib/twitter_cldr/shared/numbering_system.rb, line 72
def split_digits(str)
  str.unpack("U*").map { |digit| [digit].pack("U*") }
end