root_search

# File lib/rdoc/servlet.rb, line 336
  def root_search req, res
    search_index = []
    info         = []

    installed_docs.map do |name, href, exists, type, path|
      next unless exists

      search_index << name

      case type
      when :gem
        gemspec = path.gsub(%/doc/([^/]*?)/ri$%,
                            '/specifications/\1.gemspec')

        spec = Gem::Specification.load gemspec

        path    = spec.full_name
        comment = spec.summary
      when :system then
        path    = 'ruby'
        comment = 'Documentation for the Ruby standard library'
      when :site then
        path    = 'site'
        comment = 'Documentation for non-gem libraries'
      when :home then
        path    = 'home'
        comment = 'Documentation from your home directory'
      when :extra
        comment = name
      end

      info << [name, '', path, '', comment]
    end

    index = {
      :index => {
        :searchIndex     => search_index,
        :longSearchIndex => search_index,
        :info            => info,
      }
    }

    res.body = "var search_data = #{JSON.dump index};"
    res.content_type = 'application/javascript'
  end