vendor/rails/activerecord/lib/active_record/dynamic_scope_match.rb

   1 module ActiveRecord
   2   class DynamicScopeMatch
   3     def self.match(method)
   4       ds_match = self.new(method)
   5       ds_match.scope ? ds_match : nil
   6     end
   7
   8     def initialize(method)
   9       @scope = true
  10       case method.to_s
  11       when /^scoped_by_([_a-zA-Z]\w*)$/
  12         names = $1
  13       else
  14         @scope = nil
  15       end
  16       @attribute_names = names && names.split('_and_')
  17     end
  18
  19     attr_reader :scope, :attribute_names
  20
  21     def scope?
  22       !@scope.nil?
  23     end
  24   end
  25 end