Method

FML::CGI class should implement the following methods:

html_start()
run_cgi_main()
run_cgi_title()
run_cgi_navigator()
run_cgi_menu()
run_cgi_command_help()
run_cgi_options()
html_end()

where html_start() prints out the header of HTML such as DOCTYPE ... BODY, html_end() prints /BODY and /HTML. run_XXX methons prints the main content.

run() of $curproc method drives

html_start()
run_cgi_XXX()
html_end()

sequentially. That is, the flow of CGI process is as follows:

new()
prepare()
verify_request()
run()
   html_start()
   run_cgi_XXX()
   html_end()
finish()