mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-09-20 13:27:14 +03:00
811 lines
37 KiB
JavaScript
811 lines
37 KiB
JavaScript
/**
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* @description Remote Terminal
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* @author Ylian Saint-Hilaire
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* @version v0.0.2c
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*/
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// https://invisible-island.net/xterm/ctlseqs/ctlseqs.html
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// https://www.x.org/docs/xterm/ctlseqs.pdf
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// Construct a MeshServer object
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var CreateAmtRemoteTerminal = function (divid, options) {
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var obj = {};
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obj.DivId = divid;
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obj.DivElement = document.getElementById(divid);
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obj.protocol = 1; // SOL
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if (options.protocol) { obj.protocol = options.protocol; } // 1 = Normal, 6 = PowerShell
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// ###BEGIN###{Terminal-Enumation-All}
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obj.terminalEmulation = 1;
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// ###END###{Terminal-Enumation-All}
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obj.fxEmulation = 0;
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obj.lineFeed = '\r\n';
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obj.debugmode = 0;
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obj.width = 80; // 80 or 100
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obj.height = 25; // 25 or 30
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obj.heightLock = 0;
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var _Terminal_CellHeight = 21;
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var _Terminal_CellWidth = 13;
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var _TermColors = ['000000', 'BB0000', '00BB00', 'BBBB00', '0000BB', 'BB00BB', '00BBBB', 'BBBBBB', '555555', 'FF5555', '55FF55', 'FFFF55', '5555FF', 'FF55FF', '55FFFF', 'FFFFFF'];
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var _TermCurrentReverse = 0;
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var _TermCurrentFColor = 7;
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var _TermCurrentBColor = 0;
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var _TermLineWrap = true;
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var _termx = 0;
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var _termy = 0;
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var _termsavex = 0;
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var _termsavey = 0;
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var _termstate = 0;
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var _escNumber = [];
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var _escNumberPtr = 0;
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var _escNumberMode = 0;
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var _scratt = [];
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var _tscreen = [];
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var _VTUNDERLINE = 1;
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var _VTREVERSE = 2;
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var _backSpaceErase = false;
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var _cursorVisible = true;
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var _scrollRegion;
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var _altKeypadMode = false;
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var scrollBackBuffer = [];
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// ###BEGIN###{Terminal-Enumation-UTF8}
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//var utf8decodeBuffer = '';
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// ###END###{Terminal-Enumation-UTF8}
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// ###BEGIN###{Terminal-Enumation-All}
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var utf8decodeBuffer = '';
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// ###END###{Terminal-Enumation-All}
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obj.title = null;
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obj.onTitleChange = null;
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obj.Start = function () { }
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obj.Init = function (width, height) {
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obj.width = width ? width : 80;
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obj.height = height ? height : 25;
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for (var y = 0; y < obj.height; y++) {
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_tscreen[y] = [];
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_scratt[y] = [];
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for (var x = 0; x < obj.width; x++) { _tscreen[y][x] = ' '; _scratt[y][x] = (7 << 6); }
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}
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obj.TermInit();
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obj.TermDraw();
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}
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obj.xxStateChange = function (newstate) {
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//if ((newstate == 3) && (options != null) && (options.xterm == true)) { obj.TermSendKeys(' stty rows ' + obj.height + ' cols ' + obj.width + ';clear\n'); }
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}
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obj.ProcessData = function (str) {
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if (obj.debugmode == 2) { console.log("TRecv(" + str.length + "): " + rstr2hex(str)); }
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// ###BEGIN###{Terminal-Enumation-UTF8}
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//try { str = decode_utf8(utf8decodeBuffer + str); } catch (ex) { utf8decodeBuffer += str; return; } // If we get data in the middle of a UTF-8 code, buffer it for next time.
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//utf8decodeBuffer = '';
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// ###END###{Terminal-Enumation-UTF8}
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// ###BEGIN###{Terminal-Enumation-All}
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if (obj.terminalEmulation == 0) { try { str = decode_utf8(utf8decodeBuffer + str); } catch (ex) { utf8decodeBuffer += str; return; } } // If we get data in the middle of a UTF-8 code, buffer it for next time.
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utf8decodeBuffer = '';
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// ###END###{Terminal-Enumation-All}
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if (obj.capture != null) obj.capture += str; _ProcessVt100EscString(str); obj.TermDraw();
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}
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function _ProcessVt100EscString(str) { for (var i = 0; i < str.length; i++) _ProcessVt100EscChar(String.fromCharCode(str.charCodeAt(i)), str.charCodeAt(i)); }
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function _ProcessVt100EscChar(b, c) {
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switch (_termstate) {
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case 0: // Normal Term State
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switch (c) {
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case 27: // ESC
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_termstate = 1;
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_escNumber = [];
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_escNumberPtr = 0;
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_escNumberMode = 0;
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break;
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default:
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// Process a single char
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_ProcessVt100Char(b);
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break;
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}
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break;
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case 1:
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switch (b) {
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case '[':
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_termstate = 2;
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break;
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case '(':
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_termstate = 4;
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break;
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case ')':
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_termstate = 5;
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break;
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case ']':
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_termstate = 6; // xterm strings
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break;
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case '=':
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// Set alternate keypad mode
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_altKeypadMode = true;
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_termstate = 0;
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break;
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case '>':
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// Set numeric keypad mode
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_altKeypadMode = false;
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_termstate = 0;
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break;
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case '7':
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// Save Cursor
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_termsavex = _termx;
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_termsavey = _termy;
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_termstate = 0;
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break;
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case '8':
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// Restore Cursor
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_termx = _termsavex;
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_termy = _termsavey;
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_termstate = 0;
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break;
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case 'M':
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// Scroll down one
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var x = 1;
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for (var y = _scrollRegion[1]; y >= _scrollRegion[0] + x; y--) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = _tscreen[y - x][z]; _scratt[y][z] = _scratt[y - x][z]; }
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}
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for (var y = _scrollRegion[0] + x - 1; y > _scrollRegion[0] - 1; y--) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = ' '; _scratt[y][z] = (7 << 6); }
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}
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_termstate = 0;
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break;
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default:
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console.log('unknown terminal short code', b);
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_termstate = 0;
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break;
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}
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break;
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case 2:
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if (b >= '0' && b <= '9') {
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// This is a number
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if (!_escNumber[_escNumberPtr]) { _escNumber[_escNumberPtr] = (b - '0'); }
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else { _escNumber[_escNumberPtr] = ((_escNumber[_escNumberPtr] * 10) + (b - '0')); }
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break;
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} else if (b == ';') {
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// New number
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_escNumberPtr++;
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break;
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} else if (b == '?') {
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_escNumberMode = 1;
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break;
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} else {
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// Process Escape Sequence
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if (!_escNumber[0]) _escNumber[0] = 0;
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_ProcessEscapeHandler(b, _escNumber, _escNumberPtr + 1, _escNumberMode);
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_termstate = 0;
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}
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break;
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case 4: // '(' Code
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_termstate = 0;
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break;
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case 5: // ')' Code
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_termstate = 0;
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break;
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case 6: // ']' Code, xterm
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var bx = b.charCodeAt(0);
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if (b == ';') {
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_escNumberPtr++;
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} else if (bx == 7) {
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_ProcessXTermHandler(_escNumber);
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_termstate = 0;
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} else {
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if (!_escNumber[_escNumberPtr]) { _escNumber[_escNumberPtr] = b; }
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else { _escNumber[_escNumberPtr] += b; }
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}
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break;
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}
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}
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function _ProcessXTermHandler(_escNumber) {
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if (_escNumber.length == 0) return;
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var cmd = parseInt(_escNumber[0]);
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if ((cmd == 0 || cmd == 2) && (_escNumber.length > 1) && (_escNumber[1] != '?')) {
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if (obj.onTitleChange) { obj.onTitleChange(obj, obj.title = _escNumber[1]); }
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}
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}
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function _ProcessEscapeHandler(code, args, argslen, mode) {
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//console.log('process', code, args, mode);
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if (mode == 1) {
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switch (code) {
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case 'l': // Hide the cursor
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if (args[0] == 25) { _cursorVisible = false; }
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break;
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case 'h': // Show the cursor
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if (args[0] == 25) { _cursorVisible = true; }
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break;
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}
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} else if (mode == 0) {
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var i;
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switch (code) {
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case 'c': // ResetDevice
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// Reset
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obj.TermResetScreen();
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break;
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case 'A': // Move cursor up n lines
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if (argslen == 1) {
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if (args[0] == 0) { _termy--; } else { _termy -= args[0]; }
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if (_termy < 0) _termy = 0;
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}
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break;
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case 'B': // Move cursor down n lines
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if (argslen == 1) {
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if (args[0] == 0) { _termy++; } else { _termy += args[0]; }
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if (_termy > obj.height) _termy = obj.height;
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}
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break;
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case 'C': // Move cursor right n lines
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if (argslen == 1) {
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if (args[0] == 0) { _termx++; } else { _termx += args[0]; }
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if (_termx > obj.width) _termx = obj.width;
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}
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break;
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case 'D': // Move cursor left n lines
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if (argslen == 1) {
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if (args[0] == 0) { _termx--; } else { _termx -= args[0]; }
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if (_termx < 0) _termx = 0;
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}
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break;
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case 'd': // Set cursor to line n
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if (argslen == 1) {
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_termy = args[0] - 1;
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if (_termy > obj.height) _termy = obj.height;
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if (_termy < 0) _termy = 0;
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}
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break;
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case 'G': // Set cursor to col n
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if (argslen == 1) {
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_termx = args[0] - 1;
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if (_termx < 0) _termx = 0;
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if (_termx > (obj.width - 1)) _termx = (obj.width - 1);
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}
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break;
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case 'P': // Delete X Character(s), default 1 char
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var x = 1;
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if (argslen == 1) { x = args[0]; }
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for (i = _termx; i < obj.width - x; i++) { _tscreen[_termy][i] = _tscreen[_termy][i + x]; _scratt[_termy][i] = _scratt[_termy][i + x]; }
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for (i = (obj.width - x); i < obj.width; i++) { _tscreen[_termy][i] = ' '; _scratt[_termy][i] = (7 << 6); }
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break;
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case 'L': // Insert X Line(s), default 1 char
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var linecount = 1;
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if (argslen == 1) { linecount = args[0]; }
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if (linecount == 0) { linecount = 1; }
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for (y = _scrollRegion[1]; y >= _termy + linecount; y--) {
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_tscreen[y] = _tscreen[y - linecount];
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_scratt[y] = _scratt[y - linecount];
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}
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for (y = _termy; y < _termy + linecount; y++) {
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_tscreen[y] = [];
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_scratt[y] = [];
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for (x = 0; x < obj.width; x++) { _tscreen[y][x] = ' '; _scratt[y][x] = (7 << 6); }
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}
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break;
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case 'J': // ClearScreen:
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if (argslen == 1 && args[0] == 2) {
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obj.TermClear((_TermCurrentBColor << 12) + (_TermCurrentFColor << 6)); // Erase entire screen
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_termx = 0;
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_termy = 0;
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scrollBackBuffer = [];
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}
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else if (argslen == 0 || argslen == 1 && args[0] == 0) // Erase cursor down
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{
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_EraseCursorToEol();
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for (i = _termy + 1; i < obj.height; i++) _EraseLine(i);
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}
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else if (argslen == 1 && args[0] == 1) // Erase cursor up
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{
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_EraseCursorToEol();
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for (i = 0; i < _termy - 1; i++) _EraseLine(i);
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}
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break;
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case 'H': // MoveCursor:
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if (argslen == 2) {
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if (args[0] < 1) args[0] = 1;
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if (args[1] < 1) args[1] = 1;
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if (args[0] > obj.height) args[0] = obj.height;
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if (args[1] > obj.width) args[1] = obj.width;
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_termy = args[0] - 1;
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_termx = args[1] - 1;
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} else {
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_termy = 0;
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_termx = 0;
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}
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break;
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case 'm': // ScreenAttribs:
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// Change attributes
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for (i = 0; i < argslen; i++) {
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if (!args[i] || args[i] == 0) {
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// Reset Attributes
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_TermCurrentBColor = 0;
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_TermCurrentFColor = 7;
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_TermCurrentReverse = 0;
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}
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else if (args[i] == 1) {
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// Bright
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if (_TermCurrentFColor < 8) _TermCurrentFColor += 8;
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}
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else if (args[i] == 2 || args[i] == 22) {
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// Dim
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if (_TermCurrentFColor >= 8) _TermCurrentFColor -= 8;
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}
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else if (args[i] == 7) {
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// Set Reverse attribute true
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_TermCurrentReverse = 2;
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}
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else if (args[i] == 27) {
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// Set Reverse attribute false
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_TermCurrentReverse = 0;
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}
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else if (args[i] >= 30 && args[i] <= 37) {
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// Set Foreground Color
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var bright = (_TermCurrentFColor >= 8);
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_TermCurrentFColor = (args[i] - 30);
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if (bright && _TermCurrentFColor <= 8) _TermCurrentFColor += 8;
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}
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else if (args[i] >= 40 && args[i] <= 47) {
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// Set Background Color
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_TermCurrentBColor = (args[i] - 40);
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}
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else if (args[i] >= 90 && args[i] <= 99) {
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// Set Bright Foreground Color
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_TermCurrentFColor = (args[i] - 82);
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}
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else if (args[i] >= 100 && args[i] <= 109) {
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// Set Bright Background Color
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_TermCurrentBColor = (args[i] - 92);
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}
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}
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break;
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case 'K': // EraseLine:
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if (argslen == 0 || (argslen == 1 && (!args[0] || args[0] == 0))) {
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_EraseCursorToEol(); // Erase from the cursor to the end of the line
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} else if (argslen == 1) {
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if (args[0] == 1) { // Erase from the beginning of the line to the cursor
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_EraseBolToCursor();
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} else if (args[0] == 2) { // Erase the line with the cursor
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_EraseLine(_termy);
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}
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}
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break;
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case 'h': // EnableLineWrap:
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_TermLineWrap = true;
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break;
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case 'l': // DisableLineWrap:
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_TermLineWrap = false;
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break;
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case 'r': // Set the scroll region
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if (argslen == 2) { _scrollRegion = [args[0] - 1, args[1] - 1]; }
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if (_scrollRegion[0] < 0) { _scrollRegion[0] = 0; }
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if (_scrollRegion[0] > (obj.height - 1)) { _scrollRegion[0] = (obj.height - 1); }
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if (_scrollRegion[1] < 0) { _scrollRegion[1] = 0; }
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if (_scrollRegion[1] > (obj.height - 1)) { _scrollRegion[1] = (obj.height - 1); }
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if (_scrollRegion[0] > _scrollRegion[1]) { _scrollRegion[0] = _scrollRegion[1]; }
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break;
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case 'S': // Scroll up the scroll region X lines, default 1
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var x = 1;
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if (argslen == 1) { x = args[0] }
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for (var y = _scrollRegion[0]; y <= _scrollRegion[1] - x; y++) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = _tscreen[y + x][z]; _scratt[y][z] = _scratt[y + x][z]; }
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}
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for (var y = _scrollRegion[1] - x + 1; y < _scrollRegion[1]; y++) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = ' '; _scratt[y][z] = (7 << 6); }
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}
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break;
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case 'M': // Delete X lines, default 1
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var x = 1;
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if (argslen == 1) { x = args[0] }
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for (var y = _termy; y <= _scrollRegion[1] - x; y++) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = _tscreen[y + x][z]; _scratt[y][z] = _scratt[y + x][z]; }
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}
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for (var y = _scrollRegion[1] - x + 1; y < _scrollRegion[1]; y++) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = ' '; _scratt[y][z] = (7 << 6); }
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}
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break;
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case 'T': // Scroll down the scroll region X lines, default 1
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var x = 1;
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if (argslen == 1) { x = args[0] }
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for (var y = _scrollRegion[1]; y > _scrollRegion[0] + x; y--) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = _tscreen[y - x][z]; _scratt[y][z] = _scratt[y - x][z]; }
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}
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for (var y = _scrollRegion[0] + x; y > _scrollRegion[0]; y--) {
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for (var z = 0; z < obj.width; z++) { _tscreen[y][z] = ' '; _scratt[y][z] = (7 << 6); }
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}
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break;
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case 'X': // Erase X characters, default 1
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var x = 1, xx = _termx, yy = _termy;
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if (argslen == 1) { x = args[0] }
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while ((x > 0) && (yy < obj.height)) { _tscreen[yy][xx] = ' '; xx++; x--; if (xx >= obj.width) { xx = 0; yy++; } }
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break;
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default:
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//if (code != '@') alert(code);
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console.log('Unknown terminal code', code, args, mode);
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break;
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}
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}
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}
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obj.ProcessVt100String = function (str) {
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for (var i = 0; i < str.length; i++) _ProcessVt100Char(String.fromCharCode(str.charCodeAt(i)));
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}
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|
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// ###BEGIN###{Terminal-Enumation-All}
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|
var AsciiToUnicode = [
|
|
0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
|
|
0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
|
|
0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
|
|
0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192,
|
|
0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00da,
|
|
0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb,
|
|
0x2593, 0x2592, 0x2591, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
|
|
0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510,
|
|
0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f,
|
|
0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567,
|
|
0x2568, 0x2564, 0x2565, 0x2568, 0x2558, 0x2552, 0x2553, 0x256b,
|
|
0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258b, 0x2590, 0x2580,
|
|
0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4,
|
|
0x03c6, 0x03b8, 0x2126, 0x03b4, 0x221e, 0x00f8, 0x03b5, 0x220f,
|
|
0x2261, 0x00b1, 0x2265, 0x2266, 0x2320, 0x2321, 0x00f7, 0x2248,
|
|
0x00b0, 0x2022, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x220e, 0x00a0
|
|
];
|
|
|
|
var AsciiToUnicodeIntel = [
|
|
0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
|
|
0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
|
|
0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
|
|
0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192,
|
|
0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00da,
|
|
0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ae, 0x00bb,
|
|
0x2593, 0x2592, 0x2591, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
|
|
0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510,
|
|
0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f,
|
|
0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567,
|
|
0x2568, 0x2564, 0x2565, 0x2568, 0x2558, 0x2552, 0x2553, 0x256b,
|
|
0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258b, 0x2590, 0x2580,
|
|
0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4,
|
|
0x03c6, 0x03b8, 0x2126, 0x03b4, 0x221e, 0x00f8, 0x03b5, 0x220f,
|
|
0x2261, 0x00b1, 0x2265, 0x2266, 0x2320, 0x2321, 0x00f7, 0x2248,
|
|
0x00b0, 0x2022, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x220e, 0x00a0
|
|
];
|
|
// ###END###{Terminal-Enumation-All}
|
|
|
|
// ###BEGIN###{Terminal-Enumation-ASCII}
|
|
var AsciiToUnicode = [
|
|
0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
|
|
0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
|
|
0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
|
|
0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192,
|
|
0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00da,
|
|
0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ab, 0x00bb,
|
|
0x2593, 0x2592, 0x2591, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
|
|
0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510,
|
|
0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f,
|
|
0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567,
|
|
0x2568, 0x2564, 0x2565, 0x2568, 0x2558, 0x2552, 0x2553, 0x256b,
|
|
0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258b, 0x2590, 0x2580,
|
|
0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4,
|
|
0x03c6, 0x03b8, 0x2126, 0x03b4, 0x221e, 0x00f8, 0x03b5, 0x220f,
|
|
0x2261, 0x00b1, 0x2265, 0x2266, 0x2320, 0x2321, 0x00f7, 0x2248,
|
|
0x00b0, 0x2022, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x220e, 0x00a0
|
|
];
|
|
// ###END###{Terminal-Enumation-ASCII}
|
|
|
|
// ###BEGIN###{Terminal-Enumation-Intel}
|
|
var AsciiToUnicodeIntel = [
|
|
0x00c7, 0x00fc, 0x00e9, 0x00e2, 0x00e4, 0x00e0, 0x00e5, 0x00e7,
|
|
0x00ea, 0x00eb, 0x00e8, 0x00ef, 0x00ee, 0x00ec, 0x00c4, 0x00c5,
|
|
0x00c9, 0x00e6, 0x00c6, 0x00f4, 0x00f6, 0x00f2, 0x00fb, 0x00f9,
|
|
0x00ff, 0x00d6, 0x00dc, 0x00a2, 0x00a3, 0x00a5, 0x20a7, 0x0192,
|
|
0x00e1, 0x00ed, 0x00f3, 0x00fa, 0x00f1, 0x00d1, 0x00aa, 0x00da,
|
|
0x00bf, 0x2310, 0x00ac, 0x00bd, 0x00bc, 0x00a1, 0x00ae, 0x00bb,
|
|
0x2593, 0x2592, 0x2591, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
|
|
0x2555, 0x2563, 0x2551, 0x2557, 0x255d, 0x255c, 0x255b, 0x2510,
|
|
0x2514, 0x2534, 0x252c, 0x251c, 0x2500, 0x253c, 0x255e, 0x255f,
|
|
0x255a, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256c, 0x2567,
|
|
0x2568, 0x2564, 0x2565, 0x2568, 0x2558, 0x2552, 0x2553, 0x256b,
|
|
0x256a, 0x2518, 0x250c, 0x2588, 0x2584, 0x258b, 0x2590, 0x2580,
|
|
0x03b1, 0x00df, 0x0393, 0x03c0, 0x03a3, 0x03c3, 0x00b5, 0x03c4,
|
|
0x03c6, 0x03b8, 0x2126, 0x03b4, 0x221e, 0x00f8, 0x03b5, 0x220f,
|
|
0x2261, 0x00b1, 0x2265, 0x2266, 0x2320, 0x2321, 0x00f7, 0x2248,
|
|
0x00b0, 0x2022, 0x00b7, 0x221a, 0x207f, 0x00b2, 0x220e, 0x00a0
|
|
];
|
|
// ###END###{Terminal-Enumation-Intel}
|
|
|
|
function _ProcessVt100Char(c) {
|
|
if (c == '\0' || c.charCodeAt() == 7) return; // Ignore null & bell
|
|
var ch = c.charCodeAt();
|
|
//console.log('_ProcessVt100Char', ch, c);
|
|
|
|
// ###BEGIN###{Terminal-Enumation-All}
|
|
// UTF8 Terminal
|
|
if (obj.terminalEmulation == 1) {
|
|
// ANSI - Extended ASCII emulation.
|
|
if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicode[ch & 0x7F]); }
|
|
} else if (obj.terminalEmulation == 2) {
|
|
// ANSI - Intel Extended ASCII emulation.
|
|
if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicodeIntel[ch & 0x7F]); }
|
|
}
|
|
// ###END###{Terminal-Enumation-All}
|
|
|
|
// ###BEGIN###{Terminal-Enumation-ASCII}
|
|
// ANSI - Extended ASCII emulation.
|
|
//if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicode[ch & 0x7F]); }
|
|
// ###END###{Terminal-Enumation-ASCII}
|
|
|
|
// ###BEGIN###{Terminal-Enumation-Intel}
|
|
// ANSI - Intel Extended ASCII emulation.
|
|
//if ((ch & 0x80) != 0) { c = String.fromCharCode(AsciiToUnicodeIntel[ch & 0x7F]); }
|
|
// ###END###{Terminal-Enumation-Intel}
|
|
|
|
//if (ch < 32 && ch != 10 && ch != 13) alert(ch);
|
|
switch (ch) {
|
|
case 16: { c = ' '; break; } // This is an odd char that show up on Intel BIOS's.
|
|
case 24: { c = '↑'; break; }
|
|
case 25: { c = '↓'; break; }
|
|
}
|
|
|
|
if (_termx > obj.width) _termx = obj.width;
|
|
if (_termy > (obj.height - 1)) _termy = (obj.height - 1);
|
|
|
|
switch (c) {
|
|
case '\b': // Backspace
|
|
if (_termx > 0) {
|
|
_termx--;
|
|
if (_backSpaceErase) { _TermDrawChar(' '); }
|
|
}
|
|
break;
|
|
case '\t': // tab
|
|
var tab = 8 - (_termx % 8)
|
|
for (var x = 0; x < tab; x++) _ProcessVt100Char(" ");
|
|
break;
|
|
case '\n': // Linefeed
|
|
_termy++;
|
|
if (_termy > _scrollRegion[1]) {
|
|
// Move everything up one line
|
|
obj.recordLineTobackBuffer(0);
|
|
_TermMoveUp(1);
|
|
_termy = _scrollRegion[1];
|
|
}
|
|
if (obj.lineFeed = '\r') { _termx = 0; } // *** If we are in Linux mode, \n will also return the cursor to the first col
|
|
break;
|
|
case '\r': // Carriage Return
|
|
_termx = 0;
|
|
break;
|
|
default:
|
|
if (_termx >= obj.width) {
|
|
_termx = 0;
|
|
if (_TermLineWrap) { _termy++; }
|
|
if (_termy >= (obj.height - 1)) { _TermMoveUp(1); _termy = (obj.height - 1); }
|
|
}
|
|
_TermDrawChar(c);
|
|
_termx++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
function _TermDrawChar(c) {
|
|
_tscreen[_termy][_termx] = c;
|
|
_scratt[_termy][_termx] = (_TermCurrentFColor << 6) + (_TermCurrentBColor << 12) + _TermCurrentReverse;
|
|
}
|
|
|
|
obj.TermClear = function(TermColor) {
|
|
for (var y = 0; y < obj.height; y++) {
|
|
for (var x = 0; x < obj.width; x++) {
|
|
_tscreen[y][x] = ' ';
|
|
_scratt[y][x] = TermColor;
|
|
}
|
|
}
|
|
scrollBackBuffer = [];
|
|
}
|
|
|
|
obj.TermResetScreen = function () {
|
|
_TermCurrentReverse = 0;
|
|
_TermCurrentFColor = 7;
|
|
_TermCurrentBColor = 0;
|
|
_TermLineWrap = _cursorVisible = true;
|
|
_termx = _termy = 0;
|
|
_backSpaceErase = false;
|
|
_scrollRegion = [0, (obj.height - 1)];
|
|
_altKeypadMode = false;
|
|
obj.TermClear(7 << 6);
|
|
// ###BEGIN###{Terminal-Enumation-UTF8}
|
|
//utf8decodeBuffer = '';
|
|
// ###END###{Terminal-Enumation-UTF8}
|
|
// ###BEGIN###{Terminal-Enumation-All}
|
|
utf8decodeBuffer = '';
|
|
// ###END###{Terminal-Enumation-All}
|
|
}
|
|
|
|
function _EraseCursorToEol() {
|
|
var t = (_TermCurrentFColor << 6) + (_TermCurrentBColor << 12) + _TermCurrentReverse;
|
|
for (var x = _termx; x < obj.width; x++) {
|
|
_tscreen[_termy][x] = ' ';
|
|
_scratt[_termy][x] = t;
|
|
}
|
|
}
|
|
|
|
function _EraseBolToCursor() {
|
|
var t = (_TermCurrentFColor << 6) + (_TermCurrentBColor << 12) + _TermCurrentReverse;
|
|
for (var x = 0; x < _termx; x++) {
|
|
_tscreen[_termy][x] = ' ';
|
|
_scratt[_termy][x] = t;
|
|
}
|
|
}
|
|
|
|
function _EraseLine(line) {
|
|
var t = (_TermCurrentFColor << 6) + (_TermCurrentBColor << 12) + _TermCurrentReverse;
|
|
for (var x = 0; x < obj.width; x++) {
|
|
_tscreen[line][x] = ' ';
|
|
_scratt[line][x] = t;
|
|
}
|
|
}
|
|
|
|
obj.TermSendKeys = function (keys) { if (obj.debugmode == 2) { console.log("TSend(" + keys.length + "): " + rstr2hex(keys), keys); } obj.parent.send(keys); }
|
|
obj.TermSendKey = function (key) { if (obj.debugmode == 2) { console.log("TSend(1): " + rstr2hex(String.fromCharCode(key)), key); } obj.parent.send(String.fromCharCode(key)); }
|
|
|
|
function _TermMoveUp(linecount) {
|
|
var x, y;
|
|
for (y = _scrollRegion[0]; y <= _scrollRegion[1] - linecount; y++) {
|
|
_tscreen[y] = _tscreen[y + linecount];
|
|
_scratt[y] = _scratt[y + linecount];
|
|
}
|
|
for (y = _scrollRegion[1] - linecount + 1; y <= _scrollRegion[1]; y++) {
|
|
_tscreen[y] = [];
|
|
_scratt[y] = [];
|
|
for (x = 0; x < obj.width; x++) {
|
|
_tscreen[y][x] = ' ';
|
|
_scratt[y][x] = (7 << 6);
|
|
}
|
|
}
|
|
}
|
|
|
|
obj.TermHandleKeys = function (e) {
|
|
if (!e.ctrlKey) {
|
|
if (e.which == 127) obj.TermSendKey(8);
|
|
else if (e.which == 13) { obj.TermSendKeys(obj.lineFeed); }
|
|
else if (e.which != 0) obj.TermSendKey(e.which);
|
|
return false;
|
|
}
|
|
if (e.preventDefault) e.preventDefault();
|
|
if (e.stopPropagation) e.stopPropagation();
|
|
}
|
|
|
|
obj.TermHandleKeyUp = function (e) {
|
|
if ((e.which != 8) && (e.which != 32) && (e.which != 9)) return true;
|
|
if (e.preventDefault) e.preventDefault();
|
|
if (e.stopPropagation) e.stopPropagation();
|
|
return false;
|
|
}
|
|
|
|
obj.TermHandleKeyDown = function (e) {
|
|
if ((e.which >= 65) && (e.which <= 90) && (e.ctrlKey == true)) {
|
|
obj.TermSendKey(e.which - 64);
|
|
if (e.preventDefault) e.preventDefault();
|
|
if (e.stopPropagation) e.stopPropagation();
|
|
return;
|
|
}
|
|
if (e.which == 27) { obj.TermSendKeys(String.fromCharCode(27)); return true; }; // ESC
|
|
|
|
if (_altKeypadMode == true) {
|
|
if (e.which == 37) { obj.TermSendKeys(String.fromCharCode(27, 79, 68)); return true; }; // Left
|
|
if (e.which == 38) { obj.TermSendKeys(String.fromCharCode(27, 79, 65)); return true; }; // Up
|
|
if (e.which == 39) { obj.TermSendKeys(String.fromCharCode(27, 79, 67)); return true; }; // Right
|
|
if (e.which == 40) { obj.TermSendKeys(String.fromCharCode(27, 79, 66)); return true; }; // Down
|
|
} else {
|
|
if (e.which == 37) { obj.TermSendKeys(String.fromCharCode(27, 91, 68)); return true; }; // Left
|
|
if (e.which == 38) { obj.TermSendKeys(String.fromCharCode(27, 91, 65)); return true; }; // Up
|
|
if (e.which == 39) { obj.TermSendKeys(String.fromCharCode(27, 91, 67)); return true; }; // Right
|
|
if (e.which == 40) { obj.TermSendKeys(String.fromCharCode(27, 91, 66)); return true; }; // Down
|
|
}
|
|
|
|
if (e.which == 33) { obj.TermSendKeys(String.fromCharCode(27, 91, 53, 126)); return true; }; // PageUp
|
|
if (e.which == 34) { obj.TermSendKeys(String.fromCharCode(27, 91, 54, 126)); return true; }; // PageDown
|
|
if (e.which == 35) { obj.TermSendKeys(String.fromCharCode(27, 91, 70)); return true; }; // End
|
|
if (e.which == 36) { obj.TermSendKeys(String.fromCharCode(27, 91, 72)); return true; }; // Home
|
|
if (e.which == 45) { obj.TermSendKeys(String.fromCharCode(27, 91, 50, 126)); return true; }; // Insert
|
|
if (e.which == 46) { obj.TermSendKeys(String.fromCharCode(27, 91, 51, 126)); return true; }; // Delete
|
|
|
|
if (e.which == 9) { obj.TermSendKeys("\t"); if (e.preventDefault) e.preventDefault(); if (e.stopPropagation) e.stopPropagation(); return true; }; // TAB
|
|
|
|
// F1 to F12 keys
|
|
// ###BEGIN###{Terminal-FxEnumation-All}
|
|
var fx0 = [80, 81, 119, 120, 116, 117, 113, 114, 112, 77];
|
|
var fx1 = [49, 50, 51, 52, 53, 54, 55, 56, 57, 48, 33, 64];
|
|
var fx2 = [80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91];
|
|
if (e.which > 111 & e.which < 124 && e.repeat == false) { // F1 to F12 keys
|
|
if (obj.fxEmulation == 0 && e.which < 122) { obj.TermSendKeys(String.fromCharCode(27, 91, 79, fx0[e.which - 112])); return true; } // 'Intel (F10 = ESC+[OM)'
|
|
if (obj.fxEmulation == 1) { obj.TermSendKeys(String.fromCharCode(27, fx1[e.which - 112])); return true; } // 'Alternate (F10 = ESC+0)'
|
|
if (obj.fxEmulation == 2) { obj.TermSendKeys(String.fromCharCode(27, 79, fx2[e.which - 112])); return true; } // 'VT100+ (F10 = ESC+[OY)'
|
|
}
|
|
// ###END###{Terminal-FxEnumation-All}
|
|
// ###BEGIN###{Terminal-FxEnumation-Intel}
|
|
var fx0 = [80, 81, 119, 120, 116, 117, 113, 114, 112, 77];
|
|
if (e.which > 111 & e.which < 122 && e.repeat == false) { obj.TermSendKeys(String.fromCharCode(27, 91, 79, fx0[e.which - 112])); return true; } // 'Intel (F10 = ESC+[OM)'
|
|
// ###END###{Terminal-FxEnumation-Intel}
|
|
// ###BEGIN###{Terminal-FxEnumation-Alternate}
|
|
var fx1 = [49, 50, 51, 52, 53, 54, 55, 56, 57, 48, 33, 64];
|
|
if (e.which > 111 & e.which < 124 && e.repeat == false) { obj.TermSendKeys(String.fromCharCode(27, fx1[e.which - 112])); return true; } // 'Alternate (F10 = ESC+0)'
|
|
// ###END###{Terminal-FxEnumation-Alternate}
|
|
// ###BEGIN###{Terminal-FxEnumation-VT100Plus}
|
|
var fx2 = [80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91];
|
|
if (e.which > 111 & e.which < 124 && e.repeat == false) { obj.TermSendKeys(String.fromCharCode(27, 79, fx2[e.which - 112])); return true; } // 'VT100+ (F10 = ESC+[OY)'
|
|
// ###END###{Terminal-FxEnumation-VT100Plus}
|
|
|
|
if (e.which != 8 && e.which != 32 && e.which != 9) return true;
|
|
obj.TermSendKey(e.which);
|
|
if (e.preventDefault) e.preventDefault();
|
|
if (e.stopPropagation) e.stopPropagation();
|
|
return false;
|
|
}
|
|
|
|
obj.recordLineTobackBuffer = function(y) {
|
|
var closetag = '', buf = '';
|
|
var r = obj.TermDrawLine(buf, y, closetag);
|
|
buf = r[0];
|
|
closetag = r[1];
|
|
scrollBackBuffer.push(buf + closetag + '<br>');
|
|
}
|
|
|
|
obj.TermDrawLine = function (buf, y, closetag) {
|
|
var newat, c, oldat = 1, x1, x2;
|
|
for (var x = 0; x < obj.width; ++x) {
|
|
newat = _scratt[y][x];
|
|
if (_termx == x && _termy == y && _cursorVisible) { newat |= _VTREVERSE; } // If this is the cursor location, reverse the color.
|
|
if (newat != oldat) {
|
|
buf += closetag;
|
|
closetag = '';
|
|
x1 = 6; x2 = 12;
|
|
if (newat & _VTREVERSE) { x1 = 12; x2 = 6; }
|
|
buf += '<span style="color:#' + _TermColors[(newat >> x1) & 0x3F] + ';background-color:#' + _TermColors[(newat >> x2) & 0x3F];
|
|
if (newat & _VTUNDERLINE) buf += ';text-decoration:underline';
|
|
buf += ';">';
|
|
closetag = "</span>" + closetag;
|
|
oldat = newat;
|
|
}
|
|
|
|
c = _tscreen[y][x];
|
|
switch (c) {
|
|
case '&': buf += '&'; break;
|
|
case '<': buf += '<'; break;
|
|
case '>': buf += '>'; break;
|
|
case ' ': buf += ' '; break;
|
|
default: buf += c; break;
|
|
}
|
|
}
|
|
return [buf, closetag];
|
|
}
|
|
|
|
obj.TermDraw = function() {
|
|
var closetag = '', buf = '';
|
|
for (var y = 0; y < obj.height; ++y) {
|
|
var r = obj.TermDrawLine(buf, y, closetag);
|
|
buf = r[0];
|
|
closetag = r[1];
|
|
if (y != (obj.height - 1)) buf += '<br>';
|
|
}
|
|
|
|
if (scrollBackBuffer.length > 800) { scrollBackBuffer = scrollBackBuffer.slice(scrollBackBuffer.length - 800); }
|
|
var backbuffer = scrollBackBuffer.join('');
|
|
obj.DivElement.innerHTML = "<font size='4'><b>" + backbuffer + buf + closetag + "</b></font>";
|
|
obj.DivElement.scrollTop = obj.DivElement.scrollHeight;
|
|
if (obj.heightLock == 0) { setTimeout(obj.TermLockHeight, 10); }
|
|
}
|
|
|
|
obj.TermLockHeight = function () {
|
|
obj.heightLock = obj.DivElement.clientHeight;
|
|
obj.DivElement.style['height'] = obj.DivElement.parentNode.style['height'] = obj.heightLock + 'px';
|
|
obj.DivElement.style['overflow-y'] = 'scroll';
|
|
}
|
|
|
|
obj.TermInit = function () { obj.TermResetScreen(); }
|
|
|
|
obj.heightLock = 0;
|
|
obj.DivElement.style['height'] = '';
|
|
if ((options != null) && (options.cols != null) && (options.rows != null)) { obj.Init(options.cols, options.rows); } else { obj.Init(); }
|
|
return obj;
|
|
}
|