void push(wchar_t ch) {
auto state = _esc.putch(ch);
if (state == State::Ground) {
_buffer.push_back(ch);
} else {
if (state == State::Escape) output_buffer(); // flush first
_buffer.push_back(ch);
if (state == State::Dispatch) handle_esc();
}
}
/**
* Get next byte from stdin, with special byte interpreted.
* @return next byte from stdin
*/
int igetch(void)
{
static bool cr = 0;
int ch;
while (1) {
ch = get_raw_ch();
switch (ch) {
case IAC:
handle_iac();
continue;
case KEY_ESC:
ch = handle_esc();
break;
case Ctrl('L'):
screen_redraw();
continue;
case '\r':
ch = '\n';
cr = true;
break;
case '\n':
if (cr) {
cr = false;
continue;
}
break;
case '\0':
cr = false;
continue;
default:
cr = false;
break;
}
break;
}
return ch;
}
