# File lib/action_requires.rb, line 3
 3:   def self.action_requires(options)
 4:     unless options.is_a? Hash
 5:       options = {:names => [options].flatten}
 6:     end
 7:     options = {:type => :and}.merge(options)
 8:     options[:names] = [options[:names]].flatten
 9:     big_meth = "action_requires_wrapper_" << options[:names].join("_#{options[:type].to_s}_")
10:     options[:names].each do |meth|
11:       unless method_defined?(meth)
12:         define_method("action_requires_#{meth}") do
13:           return !params[meth.to_sym].blank?
14:         end
15:       end
16:     end
17:     unless method_defined?(big_meth)
18:       delim = case options[:type]
19:       when :and
20:         " && "
21:       when :or
22:         " || "
23:       end
24:       eval %{
25:         def #{big_meth}
26:           unless #{options[:names].collect {|meth| "action_requires_#{meth}"}.join(delim)}
27:             send_to_unknown
28:             # return false
29:           end
30:         end
31:       }
32:     end
33:     options.delete(:names)
34:     options.delete(:type)
35:     before_filter big_meth.to_sym, options
36:   end

    # File lib/action_requires.rb, line 38
38:   def action_requires_id
39:     param = params[:id]
40:     return !(param.blank? || param == "null" || (param.match(/^\D+/) unless param.is_a? Numeric))
41:   end

    # File lib/action_requires.rb, line 43
43:   def action_requires_xhr
44:     send_to_unknown if !request.xhr?
45:   end

    # File lib/action_requires.rb, line 47
47:   def send_to_unknown
48:     @orig_params = params
49:     render :text => "!404!", :status => "404" unless performed?
50:   end