static int
input_help(int arg, int key UNUSED)
{
int i, in_string, in_bracket;
if (arg != 1)
return rl_insert(arg, '?');
in_string = in_bracket = 0;
for (i = 0; i < rl_point; i++)
{
if (rl_line_buffer[i] == '"')
in_string = ! in_string;
else if (! in_string)
{
if (rl_line_buffer[i] == '[')
in_bracket++;
else if (rl_line_buffer[i] == ']')
in_bracket--;
}
}
/* `?' inside string or path -> insert */
if (in_string || in_bracket)
return rl_insert(1, '?');
rl_begin_undo_group(); /* HACK: We want to display `?' at point position */
rl_insert_text("?");
rl_redisplay();
rl_end_undo_group();
input_start_list();
cmd_help(rl_line_buffer, rl_point);
rl_undo_command(1, 0);
input_stop_list();
return 0;
}
/* A placeholder for further expansion. */
int
rl_vi_undo(int count, int key)
{
return (rl_undo_command (count, key));
}
