Sha256: d5e99afcaa8a4495204fd716764994b6d41b4845fb42e2fdf9db241953d61bb5
Contents?: true
Size: 1.85 KB
Versions: 28
Compression:
Stored size: 1.85 KB
Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
module TwitterCldr
module Shared
class UnsupportedNumberingSystemError < StandardError; end
class NumberingSystem
class << self
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
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
private
def locale_cache
@locale_cache ||= {}
end
def name_cache
@name_cache ||= {}
end
def resource
@resource ||= TwitterCldr.get_resource(:shared, :numbering_systems)[:numbering_systems]
end
end
attr_reader :name, :digits
def initialize(name, digits)
@name = name
@digits = split_digits(digits)
end
def transliterate(number)
number.to_s.gsub(/\d/) do |digit|
digits[digit.to_i]
end
end
private
def split_digits(str)
str.unpack("U*").map { |digit| [digit].pack("U*") }
end
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems