[NEW] Gestalts for silverlight + popular JS libs

[ohcount] / ruby / gestalt / rules / file_rule.rb

module Ohcount
        module Gestalt
                # an abstract base class representing a rule based
                # on an individual file's attribute (like
                # code content, or filename, etc..)
                class FileRule < Rule
                        attr_reader :min_count, :count

                        def initialize(args = {})
                                args ||= {}
                                @min_count = 1
        @count = 0
        @triggers = []
                                args.each do |k,v|
                                        case k
                                        when :min then @min_count = v
                                        else raise ArgumentError.new("Unrecognized option: #{ k.inspect }")
                                        end
                                end
                                FileRule.add_instance(self)
                        end

      # default implementation - will yield a single trigger if appropriate
                        def triggers(gestalt_engine)
        if triggered?
          [Trigger.new]
        else
          []
        end
      end

                        def self.process_source_file(source_file)
                                instances.each do |rule|
          next if rule.triggered?
          rule.process_source_file(source_file)
        end
                        end

                        def self.instances
                                @instances ||= []
                        end

                        def self.add_instance(r)
                                instances << r
                        end

      def triggered?
        @count >= @min_count
      end

                end
        end
end