1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
module fpm_backend_console
use iso_fortran_env, only: stdout=>output_unit
implicit none
private
public :: console_t
character(len=*), parameter :: ESC = char(27)
type console_t
integer :: n_line = 1
logical :: plain_mode = .false.
character(:), allocatable :: LINE_RESET
character(:), allocatable :: LINE_UP
character(:), allocatable :: LINE_DOWN
contains
procedure :: init => console_init
procedure :: write_line => console_write_line
procedure :: update_line => console_update_line
end type console_t
contains
subroutine console_init(console,plain_mode)
class(console_t), intent(out), target :: console
logical, intent(in), optional :: plain_mode
if (present(plain_mode)) then
console%plain_mode = plain_mode
end if
if (console%plain_mode) then
console%LINE_RESET = ""
console%LINE_UP = ""
console%LINE_DOWN = ""
else
console%LINE_RESET = ESC//"[2K"//ESC//"[1G"
console%LINE_UP = ESC//"[1A"
console%LINE_DOWN = ESC//"[1B"
end if
end subroutine console_init
function console_write_line(console,str) result(line)
class(console_t), intent(inout), target :: console
character(*), intent(in) :: str
integer :: line
!$omp critical
line = console%n_line
write(stdout,*) console%LINE_RESET//str
console%n_line = console%n_line + 1
!$omp end critical
end function console_write_line
subroutine console_update_line(console,line_no,str)
class(console_t), intent(in) :: console
integer, intent(in) :: line_no
character(*), intent(in) :: str
integer :: n
!$omp critical
n = console%n_line - line_no !+ 1 !+ 1
! Step back to line
write(stdout,'(A)',advance="no") repeat(console%LINE_UP,n)//console%LINE_RESET
write(stdout,*) str
! Step forward to end
write(stdout,'(A)',advance="no") repeat(console%LINE_DOWN,n)//console%LINE_RESET
!$omp end critical
end subroutine console_update_line
end module fpm_backend_console
|
