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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
module TwitterCldr
module Formatters
class CurrencyFormatter < NumberFormatter
DEFAULT_CURRENCY_SYMBOL = "$"
DEFAULT_PRECISION = 2
def format(number, options = {})
options[:currency] ||= "USD"
currency = TwitterCldr::Shared::Currencies.for_code(options[:currency])
currency ||= {
:currency => options[:currency],
:symbol => options[:currency],
:cldr_symbol => options[:currency]
}
# overwrite with explicit symbol if given
currency[:symbol] = options[:symbol] if options[:symbol]
digits_and_rounding = resource(options[:currency])
options[:precision] ||= digits_and_rounding[:digits]
options[:rounding] ||= digits_and_rounding[:rounding]
symbol = options[:use_cldr_symbol] ? currency[:cldr_symbol] : currency[:symbol]
symbol ||= currency[:currency].to_s
super(number, options).gsub('ยค', symbol)
end
private
def resource(code)
@resource ||= TwitterCldr.get_resource(:shared, :currency_digits_and_rounding)
@resource[code.to_sym] || @resource[:DEFAULT]
end
def get_tokens(obj, options = {})
opts = options.dup.merge(
:sign => obj.abs == obj ? :positive : :negative,
:type => :currency
)
@tokenizer.tokens(opts)
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems