/* jMUD v0.6.6 By: Stendec Copyright (c) 2009 Stendec Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ // Extend the array prototype for array comparison if (!Array.prototype.compare) { Array.prototype.compare = function(testArr) { if (testArr === undefined) return false; if (this.length != testArr.length) return false; for (var i = 0; i < testArr.length; i++) { if (this[i].compare) { if (!this[i].compare(testArr[i])) return false; } if (this[i] !== testArr[i]) return false; } return true; }; } if (!Array.prototype.contains) { Array.prototype.contains = function(obj) { var i = this.length; while (i--) { if (this[i] === obj) return i; } return false; }; } if (!Array.prototype.removeItem) { Array.prototype.removeItem = function(obj) { var i = this.length; while (i--) { if (this[i] === obj) this.splice(i,1); return true; } return false; }; } // Extend the string prototype so we can use substr_count, endsWith, and htmlspecialchars . if (!String.prototype.substr_count) { String.prototype.substr_count = function(text) { var cnt = 0; var i = this.indexOf(text); while (i != -1) { cnt++; i = this.indexOf(text, i+1); } return cnt; }; } if (!String.prototype.endsWith) { String.prototype.endsWith = function(suffix) { var startPos = this.length - suffix.length; if (startPos < 0) return false; return (this.lastIndexOf(suffix, startPos) == startPos); }; } if (!String.prototype.htmlspecialchars) { String.prototype.htmlcharhash = { '\r' : '', '\x08' : '', '&' : '&', '<' : '<', '>' : '>', ' ' : ' ', '\n' : '
', '\t' : '     ', '\x01' : '☺','\x03' : '♥','\x04' : '♦','\x05' : '♣','\x06' : '♠','\x0e' : '♫', '\x0f' : '☼','\x10' : '►','\x11' : '◄','\x12' : '↕','\x13' : '‼','\x14' : '¶', '\x15' : '§','\x16' : '‗','\x17' : '↨','\x18' : '↑','\x19' : '↓','\x1a' : '→', '\x1c' : '∟','\x1d' : '↔','\x1e' : '▲','\x1f' : '▼','\x7f' : '⌂','\x80' : 'Ç', '\x81' : 'ü','\x82' : 'é','\x83' : 'â','\x84' : 'ä','\x85' : 'à','\x86' : 'å', '\x87' : 'ç','\x88' : 'ê','\x89' : 'ë','\x8a' : 'è','\x8b' : 'ï','\x8c' : 'î', '\x8d' : 'ì','\x8e' : 'Ä','\x8f' : 'Å','\x90' : 'É','\x91' : 'æ','\x92' : 'Æ', '\x93' : 'ô','\x94' : 'ö','\x95' : 'ò','\x96' : 'û','\x97' : 'ù','\x98' : 'ÿ', '\x99' : 'Ö','\x9a' : 'Ü','\x9b' : '¢','\x9c' : '£','\x9d' : '¥','\x9e' : '₧', '\x9f' : 'ƒ','\xa0' : 'á','\xa1' : 'í','\xa2' : 'ó','\xa3' : 'ú','\xa4' : 'ñ', '\xa5' : 'Ñ','\xa6' : 'ª','\xa7' : 'º','\xa8' : '¿','\xa9' : '⌐','\xaa' : '¬', '\xab' : '½','\xac' : '¼','\xad' : '¡','\xae' : '«','\xaf' : '»','\xb0' : '░', '\xb1' : '▒','\xb2' : '▓','\xb3' : '│','\xb4' : '┤','\xb5' : '╡','\xb6' : '╢', '\xb7' : '╖','\xb8' : '╕','\xb9' : '╣','\xba' : '║','\xbb' : '╗','\xbc' : '╝', '\xbd' : '╜','\xbe' : '╛','\xbf' : '┐','\xc0' : '└','\xc1' : '┴','\xc2' : '┬', '\xc3' : '├','\xc4' : '─','\xc5' : '┼','\xc6' : '╞','\xc7' : '╟','\xc8' : '╚', '\xc9' : '╔','\xca' : '╩','\xcb' : '╦','\xcc' : '╠','\xcd' : '═','\xce' : '╬', '\xcf' : '╧','\xd0' : '╨','\xd1' : '╤','\xd2' : '╥','\xd3' : '╙','\xd4' : '╘', '\xd5' : '╒','\xd6' : '╓','\xd7' : '╫','\xd8' : '╪','\xd9' : '┘','\xda' : '┌', '\xdb' : '█','\xdc' : '▄','\xdd' : '▌','\xde' : '▐','\xdf' : '▀','\xe0' : 'α', '\xe1' : 'β','\xe2' : 'Γ','\xe3' : 'π','\xe4' : 'Σ','\xe5' : 'δ','\xe6' : 'μ', '\xe7' : 'τ','\xe8' : 'Ф','\xe9' : 'θ','\xea' : 'Ω','\xeb' : 'δ','\xec' : '∞', '\xed' : 'ø','\xee' : 'Є','\xef' : '∩','\xf0' : '≡','\xf1' : '±','\xf2' : '≥', '\xf3' : '≤','\xf4' : '⌠','\xf5' : '⌡','\xf6' : '÷','\xf7' : '≈','\xf8' : '°', '\xf9' : '•','\xfa' : '·','\xfb' : '√','\xfc' : 'ⁿ','\xfd' : '²','\xfe' : '■' }; String.prototype.htmlspecialchars = function() { return this.replace(/[\r &<>\n\t\x08\x01\x03-\x06\x0e-\x1a\x1c-\x1f\x7f-\xfe]/g, function ($0) { return String.prototype.htmlcharhash[$0]; }).replace(/[\x00-\x1F]/,'').replace(/(\S)\ \;(\S)/g,'$1 $2'); }; } if (!String.prototype.undohtml) { String.prototype.htmlundo = { '<' : '<', '>' : '>', ' ' : ' ', '&' : '&' }; String.prototype.htmlrem = XRegExp('', 'g'); String.prototype.undohtml = function() { return this.replace(String.prototype.htmlrem, '').replace(/ /g,' '); }; } if (!jQuery.fn.caret) { jQuery.fn.caret = function(begin, end) { if (this.length == 0) return; if (typeof begin == 'number') { end = (typeof end == 'number') ? end : begin; return this.each(function() { if (this.setSelectionRange) { this.focus(); this.setSelectionRange(begin, end); } else if (this.createTextRange) { var range = this.createTextRange(); range.collapse(true); range.moveEnd('character', end); range.moveStart('character', begin); range.select(); } }); } else { if (this[0].setSelectionRange) { begin = this[0].selectionStart; end = this[0].selectionEnd; } else if (document.selection && document.selection.createRange) { var range = document.selection.createRange(); begin = 0 - range.duplicate().moveStart('character', -100000); end = begin + range.text.length; } return { begin: begin, end: end }; } }; } // TELNET Constants jMUD.prototype.telopt = { 'IAC' : String.fromCharCode(255), 'DO' : String.fromCharCode(253), 'DONT' : String.fromCharCode(254), 'WILL' : String.fromCharCode(251), 'WONT' : String.fromCharCode(252), 'SB' : String.fromCharCode(250), 'SE' : String.fromCharCode(240), 'NEWENV' : String.fromCharCode(39), 'NAWS' : String.fromCharCode(31), 'TTYPE' : String.fromCharCode(24), 'IS' : String.fromCharCode(0), 'EOR' : String.fromCharCode(25), 'EORc' : String.fromCharCode(239), 'ECHO' : String.fromCharCode(1), 'MSSP_VAL': String.fromCharCode(2), 'SUPGA' : String.fromCharCode(3), 'GA' : String.fromCharCode(249), 'LINEMODE': '"', 'MSDP' : 'E', 'MSSP' : 'F', 'MSP' : 'Z', 'MXP' : '[', 'ESC' : String.fromCharCode(27), 'CR' : String.fromCharCode(13), 'LF' : String.fromCharCode(10) }; // Regular Expression for parsing incoming data stream. jMUD.prototype.preg = XRegExp("([^\\xFF\\x1B\\n]*)((?:\\xFF[\\xFB\\xFC\\xFD\\xFE].|\\xFF\\xFA.*?\\xFF\\xF0|\\xFF.|\\x1B\\][^\\x1b\\x07]*?(?:\\x07|\\x1B\\\\)|\\x1b.*?[A-Za-z]|\\n)?)","sg"); // Regular Expression for parsing MSDP data. jMUD.prototype.msdp_reg = XRegExp("\\x01([^\\x02]*)((?:\\x02[^\\x01\\x02]*)+)","g"); // Regular Expressions for dealing with NEW-ENVIRON data. jMUD.prototype.newenv_reg = XRegExp("([\\x00\\x03]*)([^\\x00\\x03]*)","g"); jMUD.prototype.neweni_reg = XRegExp("([\\x00\\x03])([^\\x01]*)\\x01([^\\x00\\x01\\x03\\xFF]*)","g"); /* Convert a IAC sequence to something human readable for debugging. */ jMUD.prototype.debugIAC = function(c, out) { if(!out) out = 'RCVD'; var t = this.telopt; var is_sb = false; var sb_type = null; var open = false; for(n = 0; n < c.length; n++) { if (sb_type != t.LINEMODE && is_sb && c.charCodeAt(n) > 31 && c.charCodeAt(n) < 127) { if (c.charCodeAt(n-1) < 32 || c.charCodeAt(n-1) > 126) out += ' "'; out += c[n]; if (n+1 < c.length && (c.charCodeAt(n+1) < 32 || c.charCodeAt(n+1) > 126)) out += '"'; } else { switch (c[n]) { case t.IAC: out += ' IAC'; break; case t.DO: out += ' DO'; break; case t.DONT: out += ' DONT'; break; case t.WILL: out += ' WILL'; break; case t.WONT: out += ' WONT'; break; case t.NEWENV: out += ' NEW-ENVIRON'; break; case t.LINEMODE: out += ' LINEMODE'; break; case '\x05': out += ' STATUS'; break; case '\x06': out += ' TM'; break; case '\x21': out += ' LFLOW'; break; case '\x23': out += ' XDISPLOC'; break; case '\x24': out += ' ENVIRON'; break; case '\x25': out += ' AUTH'; break; case '\x26': out += ' ENC'; break; case '\x5d': out += ' ZMP'; break; case t.GA: out += ' GA'; break; case t.EOR: out += ' EOR'; break; case t.EORc: out += ' EORc'; break; case t.NAWS: out += ' NAWS'; break; case t.TTYPE: out += ' TTYPE'; break; case '\x56': out += ' COMPRESSv2'; break; case t.MSSP: out += ' MSSP'; break; case t.MSDP: out += ' MSDP'; break; case t.MXP: out += ' MXP'; break; case t.MSP: out += ' MSP'; break; case '\x20': out += ' TSPEED'; break; case t.SB: out += ' SB'; is_sb = true; sb_type = null; if(n + 1 < c.length && c[n+1] == t.MSSP) { sb_type = t.MSSP; out += ' MSSP'; n++; } else if(n + 1 < c.length && c[n+1] == t.MSDP) { sb_type = t.MSDP; out += ' MSDP'; n++; } else if(n + 1 < c.length && c[n+1] == t.LINEMODE) { sb_type = t.LINEMODE; out += ' LINEMODE'; n++; } else if(n + 1 < c.length && c[n+1] == t.NEWENV) { sb_type = t.NEWENV; out += ' NEW-ENVIRON'; n++; } break; case t.SE: out += ' SE'; is_sb = false; break; case t.SUPGA: out += is_sb && sb_type == t.NEWENV ? ' VAR' : ' SUPGA'; break; case t.IS: if (is_sb) { switch (sb_type) { case t.LINEMODE: out += ' 0'; break; default: out += ' IS'; break; } } else out += ' BINARY'; break; case t.ECHO: if (is_sb) { switch (sb_type) { case t.LINEMODE: out += ' MODE'; break; case t.MSDP: out += ' MSDP_VAR'; break; case t.MSSP: out += ' MSSP_VAR'; break; case t.NEWENV: out += ' VAL'; break; default: out += ' SEND'; } } else out += ' ECHO'; break; case t.MSSP_VAL: if (is_sb) { switch (sb_type) { case t.LINEMODE: out += ' FORWARDMASK'; break; case t.MSDP: out += ' MSDP_VAL'; break; default: out += ' MSSP_VAL'; } } else out += '02'; break; default: out += ' ' + c.charCodeAt(n).toString(16).toUpperCase(); break; } } } return out; } /** * Construct a jMUD object. * @param {array} options Array of options for jMUD. */ function jMUD(options) { // Basic Stuff this.hostname = options.hostname; this.port = options.port; this.options = options; // Plugin Storage this.plugins = []; // DOM Objects this.display = null; this.socket = null; this.input = null; this.title = null; this.alt_out = {}; this.active_out = ''; this.alt_size = {}; this.def_out = ''; // Socket State this.connecting = false; this.connected = false; this.ready = false; // Buffers this.inbuf = []; this.outbuf = []; this.linesbuf = []; this.needline = { '' : false }; // TELOPTs and Variables this.variables = {}; this.iac = { 'ECHO' : true, 'EOR' : false, 'NAWS' : false, 'MSDP' : false, 'NEWENV' : false, 'TTYPE' : -1 }, // Color and other ANSI States this.c_bright = false; this.c_negative = false; this.c_italic = false; this.c_blink = false; this.c_under = false; this.c_fg = 7; this.c_bg = 0; this.sbw = null; this.orig_title = null; // Reconnection this.timer = null; this.connectTry = 0; // Input Variables this.inputCtrl = false; this.mruIndex = 0; this.mruTemp = false; this.mruHistory = []; this.mruSize = options.cmdhistorysize; // IE7 and Under Flag this.ie7 = false; if ( jQuery.browser.msie && jQuery.browser.version.substr(0,1) < 8 ) this.ie7 = true; } // The current version of jMUD jMUD.prototype.version = '0.6.7'; /* A place to store all plugins. */ jMUD.prototype.available_plugins = {}; /****************************************************************************** * Socket Interaction *****************************************************************************/ /* Reset the internal state variables. */ jMUD.prototype.resetState = function() { // Is echo off while we're managing input? Change it back to text then. if (this.iac.ECHO == false && this.input || this.input[0].tagName == 'TEXTAREA') { var cl = '' var st = '' if (this.input.attr('class')) cl = this.input.attr('class').replace(/"/g, '\\"'); if (this.input.attr('style')) st = this.input.attr('style').replace(/"/g, '\\"'); var id = this.input.attr('id'); this.input.replaceWith(''); // Attach a handler depending on the state of the command history option. if (this.options.cmdhistory) { this.input = jQuery('#'+id).keydown(this.handleInput).keyup(this.handleInputUp).data('jmud',this); this.input.attr('title','Type commands here, or use the Up and Down arrows to browse your recently used commands.'); } else { this.input = jQuery('#'+id).keydown(this.handleSimple).keyup(this.handleInputUp).data('jmud',this); this.input.attr('title','Type commands here.'); } this.input.blur(this.handleBlur).focus(this.handleBlur); this.inputCtrl = false; } this.variables = {}; this.iac = { 'ECHO' : true, 'EOR' : false, 'NAWS' : false, 'MSDP' : false, 'NEWENV' : false, 'TTYPE' : -1 }; this.inbuf = []; this.outbuf = []; this.splash = null; this.c_bright = false; this.c_italic = false; this.c_negative = false; this.c_under = false; this.c_blink = false; this.c_fg = 7; this.c_bg = 0; } /* Create the socket. */ jMUD.prototype.setup = function() { // Create our socket. this.socket = new jSocket(this.onReady, this.onConnect, this.onData, this.onClose); this.socket.setup(this.options.id_socket, this.options.swflocation); // Start the timer. var j = this; this.timer = setTimeout(function() { j.noSocket(); }, 2500); } /* A function to display a message when we can't connect. */ jMUD.prototype.noSocket = function() { clearTimeout(this.timer); // Abort if we're already ready. if (this.ready) return; if (this.splash == null) this.splash = this.display.html(); this.clear(); this.mssg('jMUD v'+this.version+' by Stendec <stendec365@gmail.com>
'); if (this.splash != '') this.mssg(this.splash + '
'); // Show a warning for IE7- users. if (this.ie7) { this.mssg('Warning: jMUD does not function properly within Internet Explorer 7 and earlier due to a bad JavaScript implementation! Please use a different browser, such as Mozilla Firefox or Google Chrome, or update to Internet Explorer 8.
'); } this.mssg("There seems to be an error creating the socket... make sure you have Abode Flash installed!"); } /* Connect the socket. */ jMUD.prototype.connect = function(silent) { // Delete our timer. clearTimeout(this.timer); // Ensure we're not already trying to connect. if (this.connecting || !this.ready) return; this.connecting = true; // If the policy port isn't standard, tell jsocket about it. if (this.options.policyport != 843) this.socket.loadpolicy(this.hostname, this.options.policyport); // Attempt to connect this.socket.connect(this.hostname, this.port); // Display a connecting message. if (silent !== true) { if (!this.hostname) this.mssg('Connecting on port '+this.port+'...'); else this.mssg('Connecting to '+this.hostname+':'+this.port+'...'); } } /* Disconnect the socket. */ jMUD.prototype.disconnect = function() { if (!this.connected) return; this.socket.close(); this.connected = false; this.resetState(); // Check the blur text. if (this.input && this.input.val() == this.options.emptymessage && this.input.hasClass(this.options.blurclass)) this.input.val(this.options.connectmessage); } /* * Clear any text in the display and display the jMUD banner. Also attempt to * connect if necessary and run the user's onReady function. */ jMUD.prototype.onReady = function() { // Get jMUD var jmud = jQuery.fn.mud.sockets[this.id]; // Stop the timer clearTimeout(this.timer); // Set the ready flag and output our header. jmud.ready = true; if (jmud.splash == null) jmud.splash = jmud.display.html(); jmud.clear(); jmud.mssg('jMUD v'+jmud.version+' by Stendec <stendec365@gmail.com>
'); if (jmud.splash != '') jmud.display.append(jmud.splash + '
'); // Show a warning for IE7 users. if (jmud.ie7) { jmud.mssg('Warning: jMUD does not function properly within Internet Explorer 7 and earlier due to a bad JavaScript implementation! Please use a different browser, such as Mozilla Firefox or Google Chrome, or update to Internet Explorer 8.
'); alert('Warning: jMUD does not function properly within Internet Explorer 7 and earlier due to a bad JavaScript implementation! Please use a different browser, such as Mozilla Firefox or Google Chrome, or update to Internet Explorer 8.'); } else { // If autostart is on, attempt to connect. if (jmud.options.autostart) jmud.connect(); // Raise an event var e = jQuery.Event('onReady'); e.jmud = jmud; jmud.display.trigger(e); } } /* Handle jSocket's onConnect event. */ jMUD.prototype.onConnect = function(success, data) { // Get jMUD var jmud = jQuery.fn.mud.sockets[this.id]; // First, disable the connecting flag. jmud.connecting = false; // Were we able to connect successfully? if (success) { jmud.connected = true; jmud.mssg('Connected.'); // Reset the connection try variable. jmud.connectTry = 0; // Check the blur text. if (jmud.input && jmud.input.val() == jmud.options.connectmessage && jmud.input.hasClass(jmud.options.blurclass)) jmud.input.val(jmud.options.emptymessage); // Raise an event var e = jQuery.Event('onConnected'); e.jmud = jmud; jmud.display.trigger(e); } else { jmud.connected = false; switch (data) { case 'Error #2048' : data = ' due to a Flash security error'; break; default: data = ''; } // Should we retry? if ( jmud.options.autoreconnect && jmud.connectTry < jmud.options.reconnecttries) { jmud.connectTry++; jmud.mssg('Unable to connect'+data+'. Retrying ('+jmud.connectTry+' of ' + jmud.options.reconnecttries+')...'); jmud.timer = setTimeout( function() { jmud.connect(true); }, jmud.options.reconnectdelay ); } else { jmud.mssg('Unable to connect'+data+'.'); jmud.connectTry = 0; clearTimeout(jmud.timer); jmud.socket.close(); } } } /* Handle jSocket's onClose event. */ jMUD.prototype.onClose = function() { // Get jMUD var jmud = jQuery.fn.mud.sockets[this.id]; // Reset the internal state. jmud.connected = false; jmud.resetState(); // Check the blur text. if (jmud.input && jmud.input.val() == jmud.options.emptymessage && jmud.input.hasClass(jmud.options.blurclass)) jmud.input.val(jmud.options.connectmessage); // Raise an event var e = jQuery.Event("onDisconnected"); e.jmud = jmud; jmud.display.trigger(e); // If we're managing input and the last line looks like a quit command, don't reconnect. if (jmud.input && (jmud.input.val().toLowerCase() == 'q' || jmud.input.val().toLowerCase() == 'qui' || jmud.input.val().toLowerCase() == 'quit')) e.preventDefault(); // If we can reconnect and that trigger wasn't interrupted, reconnect. if (!e.isDefaultPrevented() && jmud.options.autoreconnect) { // Display that we're trying to reconnect. jmud.mssg('Connection closed. Attempting to reconnect...'); jmud.timer = setTimeout( function() { jmud.connect(true); }, jmud.options.reconnectdelay ); } else { // Display a disconnected message. jmud.mssg('Connection closed.'); } } /* Recieve fresh data and process it. */ jMUD.prototype.onData = function(data) { // Get jMUD var jmud = jQuery.fn.mud.sockets[this.id]; // Add this data to our input buffer. jmud.inbuf.push(data); // Process the buffer. jmud.processData(); } /****************************************************************************** * Data Processing *****************************************************************************/ /* Process our input buffer. And praise the awesomeness of regular expressions while you're at it. */ jMUD.prototype.processData = function() { // Do we have data? If not, quit. if (this.inbuf.length < 1) return; // Build a string of our data. data = this.inbuf.join(''); this.inbuf = []; // Raise an event for pre-processing the text. var e = jQuery.Event("processRecieved"); e.jmud = this; e.text = data; this.display.trigger(e); // If we have a result, store that over the data. if (e.result !== undefined) e.text = e.result; data = e.text; // Reset the index of the regex. this.preg.lastIndex = 0; // Use regex to chunk through the data, removing any IAC sequences and ANSI // escape codes. var m = this.preg.exec(data); while(m != null && m[0].length > 0) { // Is there normal text to display? if (m[1].length > 0) { // Create and raise an event for processing text. var e = jQuery.Event("processOutput"); e.jmud = this; e.text = m[1]; this.display.trigger(e); // If we've got a result, store that over text. If not isDefaultPrevented // then clean away HTML characters. if (e.result !== undefined) e.text = e.result; if (!e.isDefaultPrevented()) e.text = e.text.htmlspecialchars(); // Send out the text to be displayed. this.out(e.text); } // Is there an IAC sequence or ANSI escape code? if (m[2].length > 0) { if (m[2][0] == '\n') { // Linebreak. Do a push. this.linepush(true); } else if (m[2][0] == this.telopt.IAC) { this.handleIAC(m[2]); } else if (m[2][0] == this.telopt.ESC) { this.handleANSI(m[2]); } } // Run the regex again to continue. m = this.preg.exec(data); } // Is there anything left? If so, push it to the front of inbuf. It's an ANSI // code or IAC sequence split across packets. Be careful that it isn't just // corrupt though. If this gets too large, remove the stopping character. if(data.length > this.preg.lastIndex) { if (data.length - this.preg.lastIndex > 500) this.inbuf.push(data.substr(this.preg.lastIndex+1)); else this.inbuf.push(data.substr(this.preg.lastIndex)); } // Push the output buffer to the display. this.linepush(); this.push(); } /* Send NAWS data to the client */ jMUD.prototype.doNAWS = function() { if (this.options.debugtelnet) this.mssg(this.debugIAC(this.telopt.IAC + this.telopt.SB + this.telopt.NAWS, 'SENT')); var sz = this.getSize(); this.socket.naws(sz.cols, sz.rows); } /* Process an IAC Sequence */ jMUD.prototype.handleIAC = function(data) { // Based on the type of sequence, act. // First, just quit if it's an EOR. var t = this.telopt; if(data == t.IAC + t.EORc || data == t.IAC + t.GA) return; if (this.options.debugtelnet) this.mssg(this.debugIAC(data)); switch (data[1]) { case t.DO: case t.DONT: case t.WILL: case t.WONT: // Telnet Switch var s = data.substr(1); if (s == t.WILL + t.ECHO) { this.iac.ECHO = false; this.sendIAC(t.IAC + t.DO + t.ECHO); // Are we controlling the input box? If so, convert it to a password entry. if (this.input) { var cl = '' var st = '' if (this.input.attr('class')) cl = this.input.attr('class').replace(/"/g, '\\"'); if (this.input.attr('style')) st = this.input.attr('style').replace(/"/g, '\\"'); var id = this.input.attr('id'); this.input.replaceWith(''); this.input = jQuery('#'+id).keydown(this.handleSimple).keyup(this.handleInputUp).data('jmud',this); this.input.attr('title','Type your password here.'); setTimeout( function() { jQuery('#'+id).focus(); }, 1 ); } // Raise an event. var e = jQuery.Event("onIACECHO"); e.jmud = this; e.echo = false; this.display.trigger(e); } else if (s == t.WONT + t.ECHO) { // The server is no longer echoing. Re-enable local echo and change // the input box back to normal. this.iac.ECHO = true; this.sendIAC(t.IAC + t.DONT + t.ECHO); // Are we controlling the input box? If so, convert it back to text. if (this.input) { var cl = '' var st = '' if (this.input.attr('class')) cl = this.input.attr('class').replace(/"/g, '\\"'); if (this.input.attr('style')) st = this.input.attr('style').replace(/"/g, '\\"'); var id = this.input.attr('id'); this.input.replaceWith(''); if (this.options.cmdhistory) { this.input = jQuery('#'+id).keydown(this.handleInput).keyup(this.handleInputUp).data('jmud',this); this.input.attr('title','Type commands here, or use the Up and Down arrows to browse your recently used commands.'); } else { this.input = jQuery('#'+id).keydown(this.handleSimple).keyup(this.handleInputUp).data('jmud',this); this.input.attr('title','Type commands here.'); } this.input.blur(this.handleBlur).focus(this.handleBlur); setTimeout( function() { jQuery('#'+id).focus(); }, 1 ); } // Raise an event. var e = jQuery.Event("onIACECHO"); e.jmud = this; e.echo = true; this.display.trigger(e); } else if (s == t.WILL + t.EOR) { // The server is offering to send EOR notices at the end of messages. // Do it. this.iac.EOR = true; this.sendIAC(t.IAC + t.DO + t.EOR); } else if (s == t.DO + t.TTYPE) { // The server's requesting TTYPE. Report that we support it. this.sendIAC(t.IAC + t.WILL + t.TTYPE); } else if (s == t.DO + t.NAWS) { // The server is requesting NAWS. Send it to the server. this.iac.NAWS = true; this.sendIAC(t.IAC + t.WILL + t.NAWS); this.doNAWS(); } else if (s == t.WILL + t.SUPGA) { // The server is offering to supress GA. Do it. this.sendIAC(t.IAC + t.DO + t.SUPGA); } else if (s == t.DO + t.LINEMODE) { // The server is requesting LINEMODE negotiation. Do it. this.sendIAC(t.IAC + t.SB + t.LINEMODE + t.ECHO + t.IS + t.IAC + t.SE); this.sendIAC(t.IAC + t.SB + t.LINEMODE + t.WONT + t.MSSP_VAL + t.IAC + t.SE); } else if (s == t.DO + t.NEWENV) { // The server is requesting NEW-ENVIRON. We can do that. this.sendIAC(t.IAC + t.WILL + t.NEWENV); } else if (s == t.WILL + t.MSDP) { // The server is offering MSDP. Report that we support it. this.sendIAC(t.IAC + t.DO + t.MSDP); } else if (s == t.WILL + t.MSSP) { // The server is offering MSSP. Ask for it if we're debugging telnet // to prove it works. if (this.options.debugtelnet) this.sendIAC(t.IAC + t.DO + t.MSSP); else this.sendIAC(t.IAC + t.DONT + t.MSSP); } else { // Raise an event for this IAC switch. var e = jQuery.Event("onIACSwitch"); e.jmud = this; e.raw = data; e.action = data[1]; e.option = data[2]; this.display.trigger(e); // If not isDefaultPrevented, automatically return a negative response. if (!e.isDefaultPrevented()) { if (data[1] == t.WILL && data.length > 2) this.sendIAC(t.IAC + t.DONT + data[2]); else if (data[1] == t.DO && data.length > 2) this.sendIAC(t.IAC + t.WONT + data[2]); } } break; case t.SB: // Subnegotiation if (data == t.IAC + t.SB + t.TTYPE + t.ECHO + t.IAC + t.SE) { // TTYPE Request. Send a TTYPE. this.iac.TTYPE++; if (this.iac.TTYPE >= this.options.ttypes.length) this.iac.TTYPE = 0; this.sendIAC(t.IAC + t.SB + t.TTYPE + t.IS + this.options.ttypes[this.iac.TTYPE] + t.IAC + t.SE); } else if (data[2] == t.NEWENV) { // NEW-ENVIRON Request. Handle it. this.handleNEWENV(data.substr(3, data.length - 5)); } else if (data[2] == t.MSDP) { // MSDP Data. Handle it this.handleMSDP(data.substr(3,data.length - 5)); } else { // Raise an event var e = jQuery.Event("onIACSubneg"); e.jmud = this; e.raw = data; e.option = data[2]; e.text = data.substr(3, data.length - 5); this.display.trigger(e); } break; default: // Unrecognized. Echo it. this.out(data.substr(1)); } } /* Handle NEW-ENVIRON subnegotiation. This both sends our own variables and accepts them from a server. */ jMUD.prototype.handleNEWENV = function(data) { // Are we sending? If we're sending, call the subfunction for that. if (data[0] == ECHO) { this.sendNEWENV(data.substr(1)); return; } // If we're not recieving data either, exit. It's a bad string. if (data[0] != this.telopt.ECHO && data[0] != this.telopt.MSSP_VAL) return; data = data.substr(1); this.neweni_reg.lastIndex = 0; var m = this.neweni_reg.exec(data); while (m != null && m[0] != '') { // Is the variable new or updated? if (m[3] !== this.variables[m[2]]) { // It is. Store it and raise an event. this.variables[m[2]] = m[3]; var e = jQuery.Event("onVarChange"); e.jmud = this; e.key = m[2]; e.value = m[3]; this.display.trigger(e); } m = this.neweni_reg.exec(data); } } /* Send NEW-ENVIRON variables to the server. */ jMUD.prototype.sendNEWENV = function(data) { // If we have a list of keys from the server, only send those. var keys = []; var stds = ['USER','JOB','ACCT','PRINTER','SYSTEMTYPE','DISPLAY']; if (data == '') { // No request. Add all available keys. for(var k in this.options.environ) keys.push(k); } else { // Read through and add all possible keys. this.newenv_reg.lastIndex = 0; var m = this.newenv_reg.exec(data); while (m != null && m[0] != '') { if (m[2] != '') keys.push(m[2]); else { if (m[1] == IS) keys = keys.concat(stds); else { for(var k in this.options.environ) { if (!(k in stds)) keys.push(k); } } } } } // Now that we have a list of keys, build our output and send it. var out = this.telopt.IAC + this.telopt.SB + this.telopt.NEWENV + this.telopt.IS; for(n=0; n < keys.length; n++) { var v = this.options.environ[keys[n]]; if (v != null) { if (keys[n] in stds) out += this.telopt.IS; else out += this.telopt.SUPGA; out += keys[n].replace(/\x02/g,'\x02\x02') + this.telopt.ECHO + this.options.environ[keys[n]].replace(/\x02/g,'\x02\x02'); } } this.sendIAC(out + this.telopt.IAC + this.telopt.SE); } /* Handle MSDP Data, storing it into variables and raising events if any values are changed. */ jMUD.prototype.handleMSDP = function(data) { this.msdp_reg.lastIndex = 0; var m = this.msdp_reg.exec(data); while (m != null && m[0] != '') { var v = m[2].substr(1); var changed = false; // Is it a list? if (v.indexOf('\x02') > -1) v = m[2].substr(1).split(/\x02/); // Set the variable. this.setVariable(m[1], v); m = this.msdp_reg.exec(data); } } /* Set a variable, calling any necessary events. */ jMUD.prototype.setVariable = function(key, value) { var changed = false; if (typeof value == 'object') changed = !value.compare(this.variables[key]); else changed = value !== this.variables[key]; // If it's changed, raise an event after storing it. if (changed) { this.variables[key] = value; var e = jQuery.Event("onVarChange"); e.jmud = this; e.key = key; e.value = value; this.display.trigger(e); } } /* Process an ANSI Escape Sequence */ jMUD.prototype.handleANSI = function(data) { var ESC = this.telopt.ESC; if (data == ESC + 'c') { // XTERM Full Reset this.c_bright = false; this.c_fg = 7; this.c_bg = 0; this.clear(); return; } else if (data.substr(1,3) == ']2;' || data.substr(1,3) == ']0;') { // XTERM Title String var t = data.substr(4, data.length - 5) if (t[t.length-1] == ESC) t = t.substr(0,t.length-1); this.setTitle(t); return; } else if (data[1] == '[') { // ANSI. Depending on the last character, act. switch(data[data.length-1]) { case 'J': // Clear Screen this.clear(); break; case 'm': // Color if (this.options.handlecolor) { var o_fg = this.c_fg; var o_bg = this.c_bg; var o_br = this.c_bright; var o_it = this.c_italic; var o_un = this.c_under; var o_ne = this.c_negative; var o_bl = this.c_blink; if (data.substr(1,6) == '[38;5;') { // XTERM Forecolor this.c_fg = parseInt(data.substr(7, data.length - 8)); } else if (data.substr(1,6) == '[48;5;') { // XTERM Backcolor this.c_bg = parseInt(data.substr(7, data.length - 8)); } else if (data.length == 3) { // ANSI Color Reset this.c_bright = false; this.c_fg = 7; this.c_bg = 0; } else { // ANSI Color var cs = data.substr(2, data.length-3).split(';') for(n=0; n < cs.length; n++) { c = parseInt(cs[n]); if (c == 0) { this.c_bright = false; this.c_negative = false; this.c_italic = false; this.c_under = false; this.c_blink = false; this.c_fg = 7; this.c_bg = 0; } else if (c == 1) { this.c_bright = true; } else if (c == 3) { this.c_italic = true; } else if (c == 4) { this.c_under = true; } else if (c == 5 || c == 6) { this.c_blink = true; } else if (c == 7) { this.c_negative = true; } else if (c == 22) { this.c_bright = false; } else if (c == 24) { this.c_under = false; } else if (c == 25) { this.c_blink = false; } else if (c == 27) { this.c_negative = false; } else if (c >= 30 && c < 40) { this.c_fg = c - 30; } else if (c >= 40 && c < 50) { this.c_bg = c - 40; } else if (c >= 90 && c < 100) { this.c_fg = c - 90; this.c_bright = true; } else if (c >= 100 && c < 110) { this.c_bg = c - 100; this.c_bright = true; } } } // Do we need a fresh color tag? if (o_fg != this.c_fg || o_bg != this.c_bg || o_br != this.c_bright || o_it != this.c_italic || o_un != this.c_under || o_ne != this.c_negative || o_bl != this.c_blink) this.outColor(); } return; break; } } // Still here? Unrecognized. Raise an event. var e = jQuery.Event('onANSI'); e.jmud = this; e.raw = data; this.display.trigger(e); } /****************************************************************************** * User Interface and Input *****************************************************************************/ /* Send an IAC Sequence. If there are any NULL characters, take special care to send those as well. */ jMUD.prototype.sendIAC = function(data) { if (!this.connected && this.options.connectonsend) { this.connect(); return; } if (this.options.debugtelnet) this.mssg(this.debugIAC(data, 'SENT')); this.socket.write(data); } /* Process Input */ jMUD.prototype.send = function(text, skipEvent, quiet) { if (skipEvent !== true) { // Run an event. var e = jQuery.Event("onSendCommand"); e.jmud = this; e.text = text; this.display.trigger(e); // Is the default action prevented? Exit then. if (e.isDefaultPrevented()) return; // Is there a result? Store it into text. if (e.result !== undefined) e.text = e.result; text = e.text; } if (!this.connected && this.options.connectonsend) { this.connect(); return; } if (this.iac.ECHO && quiet !== true) this.mssg('' + text.replace(/\n/g,'
') + '',undefined,false); this.socket.write(text + '\r\n'); } /* Switch to using a different output element. If lock is true, make it the default until changed. Otherwise jMUD will switch back to the default element after the next line. */ jMUD.prototype.useOutput = function(key, lock) { if (this.alt_out[key] === undefined && key != '') return; // Save it. this.active_out = key; // Should it be default? if (lock === true) this.def_out = key; } /* Create a new output element. If use is true, start using it right away. If lock is true, make this the new default output element. */ jMUD.prototype.setOutput = function(key, element, use, lock) { // If there's no key, abort if (typeof key != 'string' || key == '') return false; // If we have an element, we're creating. If it's null or undefined, we're deleting. if (element != null && element !== undefined) { // Create an output element. First, make sure we store a jQuery object. if (!element.jQuery) element = jQuery(element); // Store the output element and attach a class this.alt_out[key] = element; element.addClass('jmud-display'); element.data('jmud', this); // If lock is true, make this the default output element. if (lock === true) { this.def_out = key; use = true; } // If use is true, switch to using it immediately if (use === true) this.active_out = key; } else { // Just delete that output entry and make sure we're not using it. if (this.active_out == key) this.active_out = ''; if (this.def_out == key) this.def_out = ''; // Remove the display class from the element. this.alt_out[key].removeClass('jmud-display'); this.alt_out[key].data('jmud', undefined); this.alt_out[key] = undefined; } return true; } /* Calculate columns and rows of the screen. If a key is specified, calculate size of that specific output element. */ jMUD.prototype.getSize = function(key) { // Do we already know the scrollbar width? if (!this.sbw) this.sbw = this.scrollbarWidth(); if (this.sbw == 0) this.sbw = 15; // If key is undefined, use the active output key. if (key === undefined) key = this.active_out; // Get our element. If key is null, use the main display. if (key == '') var element = this.display; else var element = this.alt_out[key]; // Get the height and width of the display element. var tw = element.innerWidth() - this.sbw; var th = element.innerHeight(); var s = jQuery(document.createElement('span')).text('A'); element.append(s); var w = s.width(); var h = s.height(); s.remove(); return { 'cols' : Math.floor(tw / w), 'rows' : Math.floor(th / h) } } /* Clear the display. If a key is specified, clear that specific output element. */ jMUD.prototype.clear = function(key) { // If key is undefined, use the active output key. if (key === undefined) key = this.active_out; // Get our element. If key is null, use the main display. if (key == '') var element = this.display; else var element = this.alt_out[key]; if (this.options.handleclear) element.empty(); else this.mssg('', key); } /* Set the Window Title */ jMUD.prototype.setTitle = function(text) { // If we have a title element, output our text there. if (this.title) { if (text == '') this.title.text('jMUD v' + this.version); else this.title.text(text); } if (this.options.windowtitle) { if (!this.orig_title) this.orig_title = document.title; if (this.orig_title == '') { if (text == '') document.title = 'jMUD v' + this.version; else document.title = text; } else { if (text == '') document.title = this.orig_title; else document.title = text + ' - ' + this.orig_title; } } } /* Send a message to the display. If we have a key, use that instead of the default. */ jMUD.prototype.mssg = function(text, key, addline) { // If key is undefined, use the active output key. if (key === undefined) key = this.active_out; // Get our element. If key is null, use the main display. if (key == '') var element = this.display; else var element = this.alt_out[key]; if (this.needline[key] && addline !== false) text = '
' + text; this.needline[key] = false; var s = document.createElement('span'); element.append(s); s.innerHTML = text + '
'; this.doScroll(key); } /* Colorization Tag */ jMUD.prototype.outColor = function(closing,ret) { if (closing !== false) closing = true; if (ret !== true) ret = false; var f = this.c_fg; var b = this.c_bg; if (this.c_bright && f < 8) f += 8; if (closing) var out = '') else this.linesbuf.push(text); // If active_out isn't def_out then we need to switch back to our default // output element. Force an immediate push. if (this.active_out != this.def_out) this.push(); } /* Send the output buffer to the display. If key is specified, send it to that element instead of the active one. */ jMUD.prototype.push = function(doScroll, key) { // If key is undefined, use the active output key. if (key === undefined) key = this.active_out; // Get our element. If key is null, use the main display. if (key == false) var element = this.display; else var element = this.alt_out[key]; // Build our text var text = this.linesbuf.join(''); this.linesbuf = []; var s = document.createElement('span'); element.append(s); s.innerHTML = text; // Only set needline to true for the default display where output goes. if ((text.endsWith('
') || text.endsWith('
')) && this.active_out == this.def_out) this.needline[key] = false; else this.needline[key] = true; // Raise an event for plugins to attach any custom events to elements var e = jQuery.Event('onFinalText'); e.jmud = this; e.element = s; this.display.trigger(e); // Scroll if necessary. if (doScroll !== false) this.doScroll(); // Finally, change the output element back to the default if (this.active_out != this.def_out) this.active_out = this.def_out; } /* Scroll the output buffer to the bottom. */ jMUD.prototype.doScroll = function(key) { // If key is undefined, use the active output key. if (key === undefined) key = this.active_out; // Get our element. If key is null, use the main display. if (key == false) var element = this.display; else var element = this.alt_out[key]; element.attr({ scrollTop: element.attr("scrollHeight") }); } /* Handle Input Blur / Focus */ jMUD.prototype.handleBlur = function(e) { var jmud = jQuery(this).data('jmud'); if (e.type == 'blur' && this.value == '') { // Blur. Store the appropriate message. jmud.input.addClass(jmud.options.blurclass); if (jmud.connected) this.value = jmud.options.emptymessage; else this.value = jmud.options.connectmessage; } else if (e.type == 'focus') { // Focus. If one of the messages is stored, clear it. jmud.input.removeClass(jmud.options.blurclass); if (this.value == jmud.options.emptymessage || this.value == jmud.options.connectmessage) this.value = ''; } } /* Handle Input */ jMUD.prototype.handleSimple = function(e) { var jmud = jQuery(this).data('jmud'); if (e.keyCode == 13) { // Enter jmud.send(this.value); if (jmud.options.clearonsend) this.value = ''; else this.select(); } } /* Handle Input with MRU */ jMUD.prototype.handleInputUp = function(e) { var jmud = jQuery(this).data('jmud'); if (e.keyCode == 17) // Ctrl Key jmud.inputCtrl = false; else if (this.tagName == 'TEXTAREA') { // Check the number of lines var lines = jmud.input.val().substr_count('\n') + 1; if (lines != jmud.input.data('lines')) { setTimeout(function() { var c = jmud.input.caret(); jmud.inputLines(lines); jmud.input.caret(c.begin,c.end); },1); } } } jMUD.prototype.inputLines = function(lines) { // Change the number of lines of the input box to the specified value if (lines == 1 && this.input[0].tagName == 'TEXTAREA') { // '); this.input = jQuery("#"+id).keydown(this.handleInput).keyup(this.handleInputUp).data('jmud',this); if (jQuery.browser.mozilla) this.input.attr('rows',lines-1); else this.input.attr('rows',lines) this.input.val(txt); setTimeout(function() { jQuery("#"+id).focus(); }, 1); } else if (lines > 1) { //