# File lib/rdoc/generator/json_index.rb, line 150
  def index_classes
    debug_msg "  generating class search index"

    documented = @classes.uniq.select do |klass|
      klass.document_self_or_methods
    end

    documented.each do |klass|
      debug_msg "    #{klass.full_name}"
      record = klass.search_record
      @index[:searchIndex]     << search_string(record.shift)
      @index[:longSearchIndex] << search_string(record.shift)
      @index[:info]            << record
    end
  end