terminalxterm.java

一个非常好的ssh客户端实现

  int xButton(int modifiers) {
    int butt = 0;
    if((modifiers & InputEvent.BUTTON1_MASK) != 0)
      butt = 0;
    else if((modifiers & InputEvent.BUTTON2_MASK) != 0)
      butt = 1;
    else if((modifiers & InputEvent.BUTTON3_MASK) != 0)
      butt = 2; 
    return butt;
  }

  int xKeyState(int modifiers) {
    int key = 0;
    if((modifiers & InputEvent.SHIFT_MASK) != 0)
      key |= 1;
    if((modifiers & InputEvent.ALT_MASK) != 0)
      key |= 2;
    if((modifiers & InputEvent.CTRL_MASK) != 0)
      key |= 4; 
    return (key << 2);
  }

  public void mouseHandler(int row, int col, boolean press, int modifiers) {
    switch(sendMousePos) {
    case MOUSE_DONTSEND:
      break;
    case MOUSE_X10COMP:
      if(press) {
	term.sendBytes(("\033[M" + (char)(' ' + xButton(modifiers)) +
			 (char)(' ' + col + 1) + (char)(' ' + row + 1)).getBytes());
      }
      break;
    case MOUSE_DECVT200:
      term.sendBytes(("\033[M" + (char)(' ' + (press ?
					       (xButton(modifiers) | xKeyState(modifiers)) :
					       3)) +
		      (char)(' ' + col + 1) + (char)(' ' + row + 1)).getBytes());
      break;
    case MOUSE_HLTRACK:
      break;
    }
  }

  public final static int[] groundTable =
  {
    /*	NUL		SOH		STX		ETX	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	EOT		ENQ		ACK		BEL	*/
    CASE_PRINT,
    CASE_ENQ,
    CASE_PRINT,
    CASE_BELL,
    /*	BS		HT		NL		VT	*/
    CASE_BS,
    CASE_TAB,
    CASE_VMOT,
    CASE_VMOT,
    /*	NP		CR		SO		SI	*/
    CASE_VMOT,
    CASE_CR,
    CASE_SO,
    CASE_SI,
    /*	DLE		DC1		DC2		DC3	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	DC4		NAK		SYN		ETB	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	CAN		EM		SUB		ESC	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_ESC,
    /*	FS		GS		RS		US	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	SP		!		"		#	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	$		%		&		'	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	(		)		*		+	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	,		-		.		/	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	0		1		2		3	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	4		5		6		7	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	8		9		:		;	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	<		=		>		?	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT, 
    /*	@		A		B		C	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	D		E		F		G	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	H		I		J		K	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	L		M		N		O	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	P		Q		R		S	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	T		U		V		W	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	X		Y		Z		[	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	\		]		^		_	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	`		a		b		c	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	d		e		f		g	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	h		i		j		k	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	l		m		n		o	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	p		q		r		s	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	t		u		v		w	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	x		y		z		{	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*	|		}		~		DEL	*/
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_GROUND_STATE,
    /*      0x80            0x81            0x82            0x83    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      0x84            0x85            0x86            0x87    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      0x88            0x89            0x8a            0x8b    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      0x8c            0x8d            0x8e            0x8f    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      0x90            0x91            0x92            0x93    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      0x94            0x95            0x96            0x97    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      0x99            0x99            0x9a            0x9b    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      0x9c            0x9d            0x9e            0x9f    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      nobreakspace    exclamdown      cent            sterling        */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      currency        yen             brokenbar       section         */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      diaeresis       copyright       ordfeminine     guillemotleft   */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      notsign         hyphen          registered      macron          */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      degree          plusminus       twosuperior     threesuperior   */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      acute           mu              paragraph       periodcentered  */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      cedilla         onesuperior     masculine       guillemotright  */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      onequarter      onehalf         threequarters   questiondown    */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Agrave          Aacute          Acircumflex     Atilde          */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Adiaeresis      Aring           AE              Ccedilla        */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Egrave          Eacute          Ecircumflex     Ediaeresis      */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Igrave          Iacute          Icircumflex     Idiaeresis      */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Eth             Ntilde          Ograve          Oacute          */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Ocircumflex     Otilde          Odiaeresis      multiply        */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Ooblique        Ugrave          Uacute          Ucircumflex     */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      Udiaeresis      Yacute          Thorn           ssharp          */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      agrave          aacute          acircumflex     atilde          */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      adiaeresis      aring           ae              ccedilla        */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      egrave          eacute          ecircumflex     ediaeresis      */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      igrave          iacute          icircumflex     idiaeresis      */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      eth             ntilde          ograve          oacute          */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      ocircumflex     otilde          odiaeresis      division        */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      oslash          ugrave          uacute          ucircumflex     */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    /*      udiaeresis      yacute          thorn           ydiaeresis      */
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
    CASE_PRINT,
  };

  // ESC [
  public final static int[] csiTable=
  {
    /*	NUL		SOH		STX		ETX	*/
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    /*	EOT		ENQ		ACK		BEL	*/
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_BELL,
    /*	BS		HT		NL		VT	*/
    CASE_BS,
    CASE_TAB,
    CASE_VMOT,
    CASE_VMOT,
    /*	NP		CR		SO		SI	*/
    CASE_VMOT,
    CASE_CR,
    CASE_SO,
    CASE_SI,
    /*	DLE		DC1		DC2		DC3	*/
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    /*	DC4		NAK		SYN		ETB	*/
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    /*	CAN		EM		SUB		ESC	*/
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_ESC,
    /*	FS		GS		RS		US	*/
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    /*	SP		!		"		#	*/
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    /*	$		%		&		'	*/
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    /*	(		)		*		+	*/
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    /*	,		-		.		/	*/
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    CASE_ESC_IGNORE,
    /*	0		1		2		3	*/
    CASE_ESC_DIGIT,
    CASE_ESC_DIGIT,
    CASE_ESC_DIGIT,
    CASE_ESC_DIGIT,
    /*	4		5		6		7	*/
    CASE_ESC_DIGIT,
    CASE_ESC_DIGIT,
    CASE_ESC_DIGIT,
    CASE_ESC_DIGIT,
    /*	8		9		:		;	*/
    CASE_ESC_DIGIT,
    CASE_ESC_DIGIT,
    CASE_IGNORE,
    CASE_ESC_SEMI,
    /*	<		=		>		?	*/
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_IGNORE,
    CASE_DEC_STATE,
    /*	@		A		B		C	*/
    CASE_ICH,
    CASE_CUU,
    CASE_CUD,