vendor/rails/activesupport/lib/active_support/core_ext/range/conversions.rb

   1 module ActiveSupport #:nodoc:
   2   module CoreExtensions #:nodoc:
   3     module Range #:nodoc:
   4       # Getting ranges in different convenient string representations and other objects
   5       module Conversions
   6         RANGE_FORMATS = {
   7           :db => Proc.new { |start, stop| "BETWEEN '#{start.to_s(:db)}' AND '#{stop.to_s(:db)}'" }
   8         }
   9
  10         def self.included(base) #:nodoc:
  11           base.class_eval do
  12             alias_method :to_default_s, :to_s
  13             alias_method :to_s, :to_formatted_s
  14           end
  15         end
  16         # Gives a human readable format of the range.
  17         #
  18         # ==== Example:
  19         #
  20         #   [1..100].to_formatted_s # => "1..100"
  21         def to_formatted_s(format = :default)
  22           RANGE_FORMATS[format] ? RANGE_FORMATS[format].call(first, last) : to_default_s
  23         end
  24       end
  25     end
  26   end
  27 end