| 1 | ! Binary file prompt module |
| 2 | ! Prompts user when attempting to open binary files |
| 3 | |
| 4 | module binary_prompt_module |
| 5 | implicit none |
| 6 | private |
| 7 | |
| 8 | public :: binary_file_prompt |
| 9 | |
| 10 | contains |
| 11 | |
| 12 | !> Prompt user about opening a binary file |
| 13 | !> Returns .true. to open in hex view, .false. to cancel |
| 14 | function binary_file_prompt(filename) result(open_anyway) |
| 15 | use terminal_io_module, only: terminal_write, terminal_move_cursor, terminal_clear_screen |
| 16 | use input_handler_module, only: get_key_input |
| 17 | character(len=*), intent(in) :: filename |
| 18 | logical :: open_anyway |
| 19 | character(len=512) :: prompt_text, basename |
| 20 | character(len=32) :: key_input |
| 21 | integer :: status, i, slash_pos |
| 22 | |
| 23 | open_anyway = .false. |
| 24 | |
| 25 | ! Extract basename from filename |
| 26 | basename = filename |
| 27 | slash_pos = 0 |
| 28 | do i = len_trim(filename), 1, -1 |
| 29 | if (filename(i:i) == '/') then |
| 30 | slash_pos = i |
| 31 | exit |
| 32 | end if |
| 33 | end do |
| 34 | if (slash_pos > 0 .and. slash_pos < len_trim(filename)) then |
| 35 | basename = filename(slash_pos+1:) |
| 36 | end if |
| 37 | |
| 38 | ! Clear screen and show warning |
| 39 | call terminal_clear_screen() |
| 40 | call terminal_move_cursor(3, 1) |
| 41 | |
| 42 | prompt_text = '═══════════════════════' // & |
| 43 | '═══════════════════════' |
| 44 | call terminal_write(trim(prompt_text)) |
| 45 | |
| 46 | call terminal_move_cursor(4, 1) |
| 47 | call terminal_write(' WARNING: Binary File Detected') |
| 48 | |
| 49 | call terminal_move_cursor(5, 1) |
| 50 | prompt_text = '═══════════════════════' // & |
| 51 | '═══════════════════════' |
| 52 | call terminal_write(trim(prompt_text)) |
| 53 | |
| 54 | call terminal_move_cursor(7, 1) |
| 55 | write(prompt_text, '(A,A)') 'File: ', trim(basename) |
| 56 | call terminal_write(trim(prompt_text)) |
| 57 | |
| 58 | call terminal_move_cursor(9, 1) |
| 59 | call terminal_write('This file appears to be a binary file (contains null bytes).') |
| 60 | |
| 61 | call terminal_move_cursor(10, 1) |
| 62 | call terminal_write('Binary files like .mod, .o, .a, executables, and images') |
| 63 | |
| 64 | call terminal_move_cursor(11, 1) |
| 65 | call terminal_write('cannot be edited as text.') |
| 66 | |
| 67 | call terminal_move_cursor(13, 1) |
| 68 | call terminal_write('Options:') |
| 69 | |
| 70 | call terminal_move_cursor(15, 1) |
| 71 | call terminal_write('[v]iew - Open in hex viewer mode (read-only)') |
| 72 | |
| 73 | call terminal_move_cursor(16, 1) |
| 74 | call terminal_write('[c]ancel - Return to editor') |
| 75 | |
| 76 | call terminal_move_cursor(18, 1) |
| 77 | call terminal_write('Choice: ') |
| 78 | |
| 79 | ! Get user input |
| 80 | do |
| 81 | call get_key_input(key_input, status) |
| 82 | if (status == 0) then |
| 83 | if (key_input == 'v' .or. key_input == 'V') then |
| 84 | open_anyway = .true. |
| 85 | exit |
| 86 | else if (key_input == 'c' .or. key_input == 'C' .or. key_input == 'esc') then |
| 87 | open_anyway = .false. |
| 88 | exit |
| 89 | end if |
| 90 | end if |
| 91 | end do |
| 92 | end function binary_file_prompt |
| 93 | |
| 94 | end module binary_prompt_module |
| 95 |