/* return true if command handled */
void readline_handle_byte(int ch)
{
switch(term_esc_state) {
case IS_NORM:
switch(ch) {
case 1:
term_bol();
break;
case 4:
term_delete_char();
break;
case 5:
term_eol();
break;
case 9:
term_completion();
break;
case 10:
case 13:
term_cmd_buf[term_cmd_buf_size] = '\0';
if (!term_is_password)
term_hist_add(term_cmd_buf);
term_printf("\n");
term_cmd_buf_index = 0;
term_cmd_buf_size = 0;
term_last_cmd_buf_index = 0;
term_last_cmd_buf_size = 0;
/* NOTE: readline_start can be called here */
term_readline_func(term_readline_opaque, term_cmd_buf);
break;
case 23:
/* ^W */
term_backword();
break;
case 27:
term_esc_state = IS_ESC;
break;
case 127:
case 8:
term_backspace();
break;
case 155:
term_esc_state = IS_CSI;
break;
default:
if (ch >= 32) {
term_insert_char(ch);
}
break;
}
break;
case IS_ESC:
if (ch == '[') {
term_esc_state = IS_CSI;
term_esc_param = 0;
} else {
term_esc_state = IS_NORM;
}
break;
case IS_CSI:
switch(ch) {
case 'A':
case 'F':
term_up_char();
break;
case 'B':
case 'E':
term_down_char();
break;
case 'D':
term_backward_char();
break;
case 'C':
term_forward_char();
break;
case '0' ... '9':
term_esc_param = term_esc_param * 10 + (ch - '0');
goto the_end;
case '~':
switch(term_esc_param) {
case 1:
term_bol();
break;
case 3:
term_delete_char();
break;
case 4:
term_eol();
break;
}
break;
default:
break;
}
term_esc_state = IS_NORM;
the_end:
break;
}
term_update();
}
/* ----------------------------------------------------------------------- */
int term_read(int fd, char *buf, unsigned int len) {
char c;
int ret;
static unsigned long remain;
if(remain) {
check_remain:
if(len > remain)
len = remain;
byte_copy(buf, len, &term_cmdline.s[term_cmdline.len - remain]);
remain -= len;
if(!remain) {
tcsetattr(fd, TCSANOW, &term_tcattr);
stralloc_zero(&term_cmdline);
}
return len;
}
/* tcsetattr(fd, TCSANOW, &term_tcattr);*/
term_attr(term_input.fd, 1);
prompt_show();
while((ret = buffer_getc(&term_input, &c)) > 0) {
switch(c) {
/* control-c discards the current line */
case 3:
stralloc_zero(&term_cmdline);
/* newline */
case '\n':
term_newline();
remain = term_cmdline.len;
goto check_remain;
/* control-a is HOME */
case 1:
term_home();
break;
/* control-e is END */
case 5:
term_end();
break;
/* control-d is EOF */
case 4:
if(!term_cmdline.len) {
buffer_puts(term_output, "EOF");
buffer_putnlflush(term_output);
ret = 0;
goto fail;
}
break;
/* do the ANSI codes */
case '\033':
term_ansi();
break;
/* backspace */
case 127:
case '\b':
term_backspace();
break;
/* printable chars */
case '\t':
c = ' ';
default:
if(term_insert)
term_insertc(c);
else
term_overwritec(c);
break;
}
}
fail:
return ret;
}
