build_class_list

# File lib/rdoc/generator.rb, line 391
    def build_class_list(level, from, section, infile=nil)
      prefix = '  ::' * level;
      res = ''

      from.modules.sort.each do |mod|
        next unless mod.section == section
        next if infile && !mod.defined_in?(infile)
        if mod.document_self
          res <<
            prefix <<
            'Module ' <<
            href(url(mod.viewer.path), 'link', mod.full_name) <<
            "<br />\n" <<
            build_class_list(level + 1, mod, section, infile)
        end
      end

      from.classes.sort.each do |cls|
        next unless cls.section == section
        next if infile and not cls.defined_in?(infile)

        if cls.document_self
          res <<
            prefix <<
            'Class ' <<
            href(url(cls.viewer.path), 'link', cls.full_name) <<
            "<br />\n" <<
            build_class_list(level + 1, cls, section, infile)
        end
      end

      res
    end