terminalxterm.java

一个非常好的ssh客户端实现

      break;
    case CASE_ICH:
      if(DEBUG) System.out.println("ICH");
      val = param[0];
      if(val < 1)
	val = 1;
      term.insertChars(val);
      parseState = groundTable;
      break;
    case CASE_CPL:
      term.doCR();
      // Fall through
    case CASE_CUU:
      if(DEBUG) System.out.println("CUU/CPL");
      val = param[0];
      if(val < 1)
	val = 1;
      term.cursorUp(val);
      parseState = groundTable;
      break;
    case CASE_CNL:
      term.doCR();
      // Fall through
    case CASE_CUD:
      if(DEBUG) System.out.println("CUD/CNL");
      val = param[0];
      if(val < 1)
	val = 1;
      term.cursorDown(val);
      parseState = groundTable;
      break;
    case CASE_CUF:
      if(DEBUG) System.out.println("CUF");
      val = param[0];
      if(val < 1)
	val = 1;
      term.cursorForward(val);
      parseState = groundTable;
      break;
    case CASE_CUB:
      if(DEBUG) System.out.println("CUB");
      val = param[0];
      if(val < 1)
	val = 1;
      term.cursorBackward(val);
      parseState = groundTable;
      break;
    case CASE_CUP:
      if(DEBUG) System.out.println("CUP");
      v = param[0];
      h = param[1];
      if(v < 1)
	v = 1;
      if(nparam < 2 || h < 1)
	h = 1;
      term.cursorSetPos(v - 1, h - 1, windowRelative);
      parseState = groundTable;
      break;
    case CASE_ED:
      if(DEBUG) System.out.println("ED");
      switch(param[0]) {
      case PARAMNOTUSED:
      case 0:
	term.clearBelow();
	break;
      case 1:
	term.clearAbove();
	break;
      case 2:
	term.clearScreen();
	term.cursorSetPos(0, 0, windowRelative);
	break;
      }
      parseState = groundTable;
      break;
    case CASE_EL:
      if(DEBUG) System.out.println("EL");
      switch(param[0]) {
      case PARAMNOTUSED:
      case 0:
	term.clearRight();
	break;
      case 1:
	term.clearLeft();
	break;
      case 2:
	term.clearLine();
	break;
      }
      parseState = groundTable;
      break;
    case CASE_IL:
      if(DEBUG) System.out.println("IL");
      val = param[0];
      if(val < 1)
	val = 1;
      term.insertLines(val);
      parseState = groundTable;
      break;
    case CASE_DL:
      if(DEBUG) System.out.println("DL");
      val = param[0];
      if(val < 1)
	val = 1;
      term.deleteLines(val);
      parseState = groundTable;
      break;
    case CASE_DCH:
      if(DEBUG) System.out.println("DCH");
      val = param[0];
      if(val < 1)
	val = 1;
      term.deleteChars(val);
      parseState = groundTable;
      break;
    case CASE_DECID:
      if(DEBUG) System.out.println("DECID");
      param[0] = PARAMNOTUSED;
      // Fall through
    case CASE_DA1:
      if(DEBUG) System.out.println("DA1");
      reply = replyTypes[R_CSI] + "?1;2c";
      term.sendBytes(reply.getBytes());
      parseState = groundTable;
      break;
    case CASE_TRACK_MOUSE:
      if(DEBUGNOTIMPL) notImplemented("TRACK_MOUSE");
      break;
    case CASE_TBC:
      if(DEBUG) System.out.println("TBC " + "(" + term.getCursorH() + ")");
      if(param[0] <= 0) {
	term.clearTab(term.getCursorH());
      } else if(param[0] == 3) {
	term.clearAllTabs();
      }
      parseState = groundTable;
      break;
    case CASE_SET:
      if(DEBUG) System.out.println("SET");
      ansiModes(true);
      parseState = groundTable;
      break;
    case CASE_RST:
      if(DEBUG) System.out.println("RST");
      ansiModes(false);
      parseState = groundTable;
      break;
    case CASE_SGR:
      if(DEBUG) System.out.println("SGR");
      sgrModes();
      parseState = groundTable;
      break;
    case CASE_CPR:
      if(DEBUG) System.out.println("CPR");
      reply = null;
      if(param[0] == 5)
	reply = replyTypes[R_CSI] + "0n";
      else if(param[0] == 6)
	reply = replyTypes[R_CSI] + (term.getCursorV() + 1) + ";" + (term.getCursorH() + 1) + "R";
      if(reply != null)
	term.sendBytes(reply.getBytes());
      parseState = groundTable;
      break;
    case CASE_DECSTBM:
      if(DEBUG) System.out.println("DECSTBM");
      int top = param[0];
      int bot = param[1];
      if(top < 1)
	top = 1;
      if(nparam < 2 || bot == PARAMNOTUSED || bot == 0 || bot > term.rows())
	bot = term.rows();
      if(bot > top) {
	term.setWindow(top - 1, bot);
	term.cursorSetPos(0, 0, windowRelative);
      }
      parseState = groundTable;
      break;
    case CASE_DECREQTPARM:
      if(DEBUG) System.out.println("DECREQTPARM");
      if(param[0] == PARAMNOTUSED || param[0] == 1 || param[0] == 0)
	reply = (replyTypes[R_CSI] + String.valueOf((term.getCursorV() + 2)) + ";1;1;112;112;1;0x");
      if(reply != null)
	term.sendBytes(reply.getBytes());
      parseState = groundTable;
      break;
    case CASE_DECSET:
      if(DEBUG) System.out.println("DECSET");
      dpModes(true);
      parseState = groundTable;
      break;
    case CASE_DECRST:
      if(DEBUG) System.out.println("DECRST");
      dpModes(false);
      parseState = groundTable;
      break;
    case CASE_DECALN:
      if(DEBUGNOTIMPL) notImplemented("DECALN");
      parseState = groundTable;
      break;
    case CASE_GSETS:
      if(DEBUG) System.out.println("GSETS: '" + c + "'");
      gSets[scsType] = c;
      parseState = groundTable;
      break;
    case CASE_DECSC:
      if(DEBUG) System.out.println("DECSC");
      term.cursorSave();
      curGLDECSC = curGL;
      System.arraycopy(gSets, 0, gSetsDECSC, 0, 4);
      parseState = groundTable;
      break;
    case CASE_DECRC:
      if(DEBUG) System.out.println("DECRC");
      term.cursorRestore();
      curGL = curGLDECSC;
      System.arraycopy(gSetsDECSC, 0, gSets, 0, 4);
      parseState = groundTable;
      break;
    case CASE_DECKPAM:
      if(DEBUG) System.out.println("DECKPAM");
      keypadAppl = true;
      parseState = groundTable;
      break;
    case CASE_DECKPNM:
      if(DEBUG) System.out.println("DECKPNM");
      keypadAppl = false;
      parseState = groundTable;
      break;
    case CASE_IND:
      term.cursorIndex(1);
      parseState = groundTable;
      break;
    case CASE_NEL:
      if(DEBUG) System.out.println("NEL");
      term.cursorIndex(1);
      term.doCR();
      parseState = groundTable;
      break;
    case CASE_HTS:
      if(DEBUG) System.out.println("HTS (" + term.getCursorH() + ")");
      term.setTab(term.getCursorH());
      parseState = groundTable;
      break;
    case CASE_RI:
      if(DEBUG) System.out.println("RI");
      term.cursorIndexRev(1);
      parseState = groundTable;
      break;
    case CASE_SS2:
      curSS = 2;
      parseState = groundTable;
      break;
    case CASE_SS3:
      curSS = 3;
      parseState = groundTable;
      break;
    case CASE_CSI_STATE:
      if(DEBUG) System.out.println("CSI_STATE");
      param[0]   = PARAMNOTUSED;
      nparam     = 1;
      parseState = csiTable;
      break;
    case CASE_OSC:
      param[0] = PARAMNOTUSED;
      nparam   = 1;
      parseState = oscTable;
      break;
    case CASE_RIS:
      if(DEBUG) System.out.println("RIS");
      vtReset();
      parseState = groundTable;
      break;
    case CASE_LS2:
      if(DEBUG) System.out.println("SI(curGL = 2)");
      curGL = 2;
      parseState = groundTable;
      break;
    case CASE_LS3:
      if(DEBUG) System.out.println("SI(curGL = 3)");
      curGL = 3;
      parseState = groundTable;
      break;
    case CASE_LS3R:
      if(DEBUGNOTIMPL) notImplemented("LS3R");
      parseState = groundTable;
      break;
    case CASE_LS2R:
      if(DEBUGNOTIMPL) notImplemented("LS2R");
      parseState = groundTable;
      break;
    case CASE_LS1R:
      if(DEBUGNOTIMPL) notImplemented("LS1R");
      parseState = groundTable;
      break;
    case CASE_XTERM_SAVE:
      xtermSavemodes();
      parseState = groundTable;
      break;
    case CASE_XTERM_RESTORE:
      xtermRestoremodes();
      parseState = groundTable;
      break;
    case CASE_XTERM_TITLE:
      if(DEBUGNOTIMPL) notImplemented("XTERM_TITLE");
      break;
    case CASE_HP_MEM_LOCK:
      if(DEBUGNOTIMPL) notImplemented("HP_MEM_LOCK");
      parseState = groundTable;
      break;
    case CASE_HP_MEM_UNLOCK:
      if(DEBUGNOTIMPL) notImplemented("HP_MEM_UNLOCK");
      parseState = groundTable;
      break;
    case CASE_HP_BUGGY_LL:
      if(DEBUGNOTIMPL) notImplemented("HP_BUGGY_LL");
      parseState = groundTable;
      break;
    case CASE_XTERM_SEQ:
      if(DEBUG) System.out.println("XTERM_SEQ");
      xtermModes();
      parseState = groundTable;
      break;
    case CASE_SEQ_CAPTURE:
      if(DEBUG) System.out.println("XTERM_SEQ_CAP" + c);
      xtermSeq += c;
      break;
    case CASE_ENQ:
      term.sendBytes(terminalType().getBytes());
      break;
    case CASE_XTERMWIN:
      xtermWinCtrl();
      parseState = groundTable;
    case CASE_CHT:
      if(DEBUG) System.out.println("CHT");
      val = param[0];
      if(val == PARAMNOTUSED)
	val = 1;
      term.doTabs(val);
      parseState = groundTable;
      break;
    case CASE_SU:
      if(DEBUG) System.out.println("SU");
      val = param[0];
      if(val == PARAMNOTUSED)
	val = 1;
      term.scrollUp(val);
      parseState = groundTable;
      break;
    case CASE_SD:
      if(DEBUG) System.out.println("SD");
      val = param[0];
      if(val == PARAMNOTUSED)
	val = 1;
      term.scrollDown(val);
      parseState = groundTable;
      break;
    case CASE_ECH:
      if(DEBUG) System.out.println("ECH");
      val = param[0];
      if(val == PARAMNOTUSED)
	val = 1;
      term.eraseChars(val);
      parseState = groundTable;
      break;
    case CASE_CBT:
      if(DEBUG) System.out.println("CBT");
      val = param[0];
      if(val == PARAMNOTUSED)
	val = 1;
      term.doBackTabs(val);
      parseState = groundTable;
      break;
    case CASE_CHA:
    case CASE_HPA:
      if(DEBUG) System.out.println("HPA/CHA");
      h = param[0];
      if(h < 1)
	h = 1;
      term.cursorSetPos(term.getCursorV(), h - 1, false);
      parseState = groundTable;
      break;
    case CASE_REP:
      if(DEBUGNOTIMPL) notImplemented("REP");
      parseState = groundTable;
      break;
    case CASE_VPA:
      if(DEBUG) System.out.println("VPA");
      v = param[0];
      if(v < 1)
	v = 1;
      term.cursorSetPos(v - 1, term.getCursorH(), false);
      parseState = groundTable;
      break;
    case CASE_ANSI_PRINTER:
	if(DEBUG) System.out.println("ANSI_PRINTER");
	val = param[0];
	if(val == PARAMNOTUSED)
	    val = 0;
	ansiPrinterCtrl(val);
	parseState = groundTable;
	break;
    default:
      if(DEBUGNOTIMPL) System.out.println("** Unknown state !!!");
      break;
    }
    return IGNORE;
  }

  protected void ansiModes(boolean set) {
    for(int i = 0; i < nparam; i++) {
      switch(param[i]) {
      case 2:
	if(DEBUGNOTIMPL) notImplemented("ANSI_AM");
	break;
      case 4:
	if(DEBUG) System.out.println("IRM " + set);
    	term.setOption(Terminal.OPT_INSERTMODE, set);
	break;
      case 12:
	if(DEBUGNOTIMPL) notImplemented("ANSI_SRM");
	break;
      case 20:
	if(DEBUG) System.out.println("LNM");
	term.setOption(Terminal.OPT_AUTO_LF, set);
	break;
      default:
	if(DEBUGNOTIMPL) notImplemented("ansi-mode: " + param[i] + "(" + set + ")");
      }
    }
  }

  protected void sgrModes() {
    for(int i = 0; i < nparam; i++) {
      switch(param[i]) {
      case PARAMNOTUSED:
      case 0:
	term.clearAllAttributes();
	break;
      case 1:
      case 5:
	// !!! Should be Hilite/blinking...
	term.setAttribute(Terminal.ATTR_BOLD, true);
	break;
      case 4:
	term.setAttribute(Terminal.ATTR_UNDERLINE, true);
	break;
      case 7:
	term.setAttribute(Terminal.ATTR_INVERSE, true);
	break;
      case 8:
	if(DEBUGNOTIMPL) notImplemented("SGR invisible");
	break;
      case 22:
	term.setAttribute(Terminal.ATTR_BOLD, false);
	break;
      case 24:
	term.setAttribute(Terminal.ATTR_UNDERLINE, false);
	break;
      case 25:
	term.setAttribute(Terminal.ATTR_BOLD, false); // !!! Actually no-blink