ext/psych/lib/psych/visitors/visitor.rb


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module Psych
  module Visitors
    class Visitor
      attr_reader :started, :finished
      alias :finished? :finished
      alias :started? :started

      def initialize
        @started  = false
        @finished = false
      end

      def accept target
        visit target
      end

      private

      DISPATCH = Hash.new do |hash, klass|
        hash[klass] = "visit_#{klass.name.gsub('::', '_')}"
      end

      def visit target
        send DISPATCH[target.class], target
      end
    end
  end
end