private void processTwoCharSequence()

in core/src/com/jediterm/terminal/emulator/JediEmulator.java [331:400]
67 lines of code
21 McCabe index (conditional complexity)

  private void processTwoCharSequence(char ch, Terminal terminal) throws IOException {
    char secondCh = myDataStream.getChar();
    switch (ch) {
      case ' ':
        switch (secondCh) {
          //About different character sets: http://en.wikipedia.org/wiki/ISO/IEC_2022
          case 'F': //7-bit controls
            unsupported("Switching to 7-bit");
            break;
          case 'G': //8-bit controls
            unsupported("Switching to 8-bit");
            break;
          //About ANSI conformance levels: http://www.vt100.net/docs/vt510-rm/ANSI
          case 'L': //Set ANSI conformance level 1
            terminal.setAnsiConformanceLevel(1);
            break;
          case 'M': //Set ANSI conformance level 2
            terminal.setAnsiConformanceLevel(2);
            break;
          case 'N': //Set ANSI conformance level 3
            terminal.setAnsiConformanceLevel(3);
            break;

          default:
            unsupported(ch, secondCh);
        }
        break;
      case '#':
          if (secondCh == '8') {
              terminal.fillScreen('E');
          } else {
              unsupported(ch, secondCh);
          }
        break;
      case '%':
        switch (secondCh) {
          case '@': // Select default character set. That is ISO 8859-1
          case 'G': // Select UTF-8 character set
            unsupported("Selecting charset is unsupported: " + escapeSequenceToString(ch, secondCh));
            break;
          default:
            unsupported(ch, secondCh);
        }
        break;
      case '(':
        terminal.designateCharacterSet(0, secondCh); //Designate G0 Character set (VT100)
        break;
      case ')':
        terminal.designateCharacterSet(1, secondCh); //Designate G1 Character set (VT100)
        break;
      case '*':
        terminal.designateCharacterSet(2, secondCh); //Designate G2 Character set (VT220)
        break;
      case '+':
        terminal.designateCharacterSet(3, secondCh); //Designate G3 Character set (VT220)
        break;
      case '-':
        terminal.designateCharacterSet(1, secondCh); //Designate G1 Character set (VT300)
        break;
      case '.':
        terminal.designateCharacterSet(2, secondCh); //Designate G2 Character set (VT300)
        break;
      case '/':
        terminal.designateCharacterSet(3, secondCh); //Designate G3 Character set (VT300)
        break;
      case '$':
      case '@':
        unsupported(ch, secondCh);
    }
  }