You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: rdoc.rb
    path of file: ./repos/thin/site
    
    the code of the file until where you have to start completion: # Based on Camping flipbook_rdoc by _why.
# http://code.whytheluckystiff.net/svn/cam
    
    def gen_into(list)
      hsh = @files_and_classes.dup
      list.each do |item|
        if item.document_self
          op_file = item.path
          hsh['root'] = item.path.split("/").map { ".." }[1..-1].join("/")
          item.instance_variable_set("@values", hsh)
          File.makedirs(File.dirname(op_file))
          File.open(op_file, "w") { |file| item.write_on(file) }
        end
      end