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