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require "date"
require "time"
require "stamp/emitters/modifiable"
require "stamp/emitters/am_pm"
require "stamp/emitters/ambiguous"
require "stamp/emitters/composite"
require "stamp/emitters/delegate"
require "stamp/emitters/lookup"
require "stamp/emitters/ordinal"
require "stamp/emitters/string"
require "stamp/emitters/two_digit"
require "stamp/disambiguator"
require "stamp/translator"
require "stamp/version"
module Stamp
# Formats a date/time using a human-friendly example as a template.
#
# @param [String] example a human-friendly date/time example
# @param [Hash] options
# @option options [Boolean] :memoize (true)
#
# @return [String] the formatted date or time
#
# @example
# Date.new(2012, 12, 21).stamp("Jan 1, 1999") #=> "Dec 21, 2012"
def stamp(example)
memoize_stamp_emitters(example).format(self)
end
alias :stamp_like :stamp
alias :format_like :stamp
private
# Memoizes the set of emitter objects for the given +example+ in
# order to improve performance.
def memoize_stamp_emitters(example)
@@memoized_stamp_emitters ||= {}
@@memoized_stamp_emitters[example] ||= stamp_emitters(example)
end
def stamp_emitters(example)
emitters = Translator.new.translate(example)
Disambiguator.new(emitters).disambiguate!
end
end
Date.send(:include, ::Stamp)
Time.send(:include, ::Stamp)
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