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program gemini
use request
use dumb_render
use gemini_protocol
use layout
use file_handling
#ifdef WINDOWS
use wsa_network, only: windows_network_startup => startup
#endif
implicit none
character(256)::initial_site
character(1024)::current_url, input
type(connection)::conn
type(dumb_renderer)::r
logical::running
logical::loaded
integer::return_code
integer, parameter::io = 100
type(line), pointer::first_line
#ifdef WINDOWS
call windows_network_startup()
#endif
if(command_argument_count() > 0) then
call get_command_argument(1, initial_site)
if(index(initial_site, "//") > 0) then
if(index(initial_site, "gemini://") /= 1) then
Print *, "Please provide a gemini URL to start (or nothing at all)"
stop
end if
else
initial_site = "gemini://"//trim(initial_site)
end if
else
initial_site = "gemini://gemini.circumlunar.space/" ! gemini://pon.ix.tc/
end if
running = .true.
loaded = .false.
call r%initialize()
current_url = initial_site
open(unit=io, form="formatted", status="scratch", access='stream')
do while(running)
if(.not. loaded) then
call r%report_status("Requesting "//trim(current_url))
return_code = request_url(trim(current_url), io)
call update_status(r, current_url, return_code)
end if
if(return_code == STATUS_REDIRECT) then
call get_redirect_url(io, current_url)
loaded = .false.
else
first_line => load_unit(io, file_type_gemini)
loaded = .true.
call r%new_page()
call r%report_status("Performing Layout")
call layout_lines(first_line, r)
end if
do while(loaded .and. running)
select case(r%request_action(input))
case (render_action_quit)
running = .false.
case (render_action_layout)
call r%report_status("Performing Layout")
call layout_lines(first_line, r)
case (render_action_goto)
if(index(input, "://") > 0) then
current_url = input
else
call handle_relative_url(current_url, input)
end if
call free_lines(first_line)
loaded = .false.
end select
end do
end do
close(io)
contains
subroutine update_status(r, url, code)
use gemini_protocol
implicit none
class(renderer)::r
character(*), intent(in)::url
integer, intent(in)::code
select case (code)
case (STATUS_LOCALFAIL)
call r%report_status("Network failure loading "//trim(url))
case (STATUS_INPUT)
call r%report_status("Ok (input)")
case (STATUS_SUCCESS)
call r%report_status("Ok")
case (STATUS_REDIRECT)
call r%report_status("Ok (redirect)")
case (STATUS_TEMPFAIL)
call r%report_status("Server reports temporary failure")
case (STATUS_PERMFAIL)
call r%report_status("Server reports permanent failure")
case (STATUS_CERTREQ)
call r%report_status("Server requesting certificate (unsupported)")
end select
end subroutine update_status
end program gemini
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