utils.js

// http://data.iana.org/TLD/tlds-alpha-by-domain.txt
// Version 2012062900, Last Updated Sun Jul  1 07:07:01 2012 UTC
jIRCs.prototype.tlds = ["AC","AD","AE","AERO","AF","AG","AI","AL","AM","AN","AO","AQ","AR","ARPA","AS","ASIA","AT","AU","AW","AX","AZ","BA","BB","BD","BE","BF","BG","BH","BI","BIZ","BJ","BM","BN","BO","BR","BS","BT","BV","BW","BY","BZ","CA","CAT","CC","CD","CF","CG","CH","CI","CK","CL","CM","CN","CO","COM","COOP","CR","CU","CV","CW","CX","CY","CZ","DE","DJ","DK","DM","DO","DZ","EC","EDU","EE","EG","ER","ES","ET","EU","FI","FJ","FK","FM","FO","FR","GA","GB","GD","GE","GF","GG","GH","GI","GL","GM","GN","GOV","GP","GQ","GR","GS","GT","GU","GW","GY","HK","HM","HN","HR","HT","HU","ID","IE","IL","IM","IN","INFO","INT","IO","IQ","IR","IS","IT","JE","JM","JO","JOBS","JP","KE","KG","KH","KI","KM","KN","KP","KR","KW","KY","KZ","LA","LB","LC","LI","LK","LR","LS","LT","LU","LV","LY","MA","MC","MD","ME","MG","MH","MIL","MK","ML","MM","MN","MO","MOBI","MP","MQ","MR","MS","MT","MU","MUSEUM","MV","MW","MX","MY","MZ","NA","NAME","NC","NE","NET","NF","NG","NI","NL","NO","NP","NR","NU","NZ","OM","ORG","PA","PE","PF","PG","PH","PK","PL","PM","PN","PR","PRO","PS","PT","PW","PY","QA","RE","RO","RS","RU","RW","SA","SB","SC","SD","SE","SG","SH","SI","SJ","SK","SL","SM","SN","SO","SR","ST","SU","SV","SX","SY","SZ","TC","TD","TEL","TF","TG","TH","TJ","TK","TL","TM","TN","TO","TP","TR","TRAVEL","TT","TV","TW","TZ","UA","UG","UK","US","UY","UZ","VA","VC","VE","VG","VI","VN","VU","WF","WS","XN--0ZWM56D","XN--11B5BS3A9AJ6G","XN--3E0B707E","XN--45BRJ9C","XN--80AKHBYKNJ4F","XN--80AO21A","XN--90A3AC","XN--9T4B11YI5A","XN--CLCHC0EA0B2G2A9GCD","XN--DEBA0AD","XN--FIQS8S","XN--FIQZ9S","XN--FPCRJ9C3D","XN--FZC2C9E2C","XN--G6W251D","XN--GECRJ9C","XN--H2BRJ9C","XN--HGBK6AJ7F53BBA","XN--HLCJ6AYA9ESC7A","XN--J6W193G","XN--JXALPDLP","XN--KGBECHTV","XN--KPRW13D","XN--KPRY57D","XN--LGBBAT1AD8J","XN--MGBAAM7A8H","XN--MGBAYH7GPA","XN--MGBBH1A71E","XN--MGBC0A9AZCG","XN--MGBERP4A5D4AR","XN--O3CW4H","XN--OGBPF8FL","XN--P1AI","XN--PGBS0DH","XN--S9BRJ9C","XN--WGBH1C","XN--WGBL6A","XN--XKC2AL3HYE2A","XN--XKC2DL3A5EE0H","XN--YFRO4I67O","XN--YGBI2AMMX","XN--ZCKZAH","XXX","YE","YT","ZA","ZM","ZW"].sort(function(a,b) {if (a.length > b.length) return -1; if (a.length < b.length) return 1; return 0;});

jIRCs.prototype.url_regex = new RegExp('(\\b)(?:(https?|ftp|svn|git)://)?((?:[a-z0-9](?:[a-z0-9\\-]*[a-z0-9])?\\.)+(?:'+jIRCs.prototype.tlds.join('|')+'))(/[^\\s]*[^\\s`!()\\[\\]{};:\'".,<>?«»“”‘’])?(\\b)','ig');
jIRCs.prototype.nick_regex = /^[a-zA-Z\[\]\\`_^{}\|][a-zA-Z0-9-\[\]\\`_^{}\|]{0,31}$/;
jIRCs.prototype.regex_regex = /[\[\]{}\\\|]/g;

jIRCs.prototype.linkMunger = function(match, b1, protocol, domain, path, b2, offset, string) {
    var url = match;
    if(!protocol) {
        url = 'http://' + url;
    }
    return b1 + '<a href="' + url + '" target="_blank">' + match + '</a>' + b2;
};

jIRCs.prototype.handleLine = function(message, disobj) {
    if(message.charAt(0) == '/') {
        var args = message.substr(1).split(' ');
        var command = args.shift().toUpperCase();
        var method = 'command_' + command;
        if(method in this) {
            this[method](args, disobj);
        } else {
            this.send(command, args);
        }
    } else {
        this.say(message, disobj.viewing);
    }
};

jIRCs.prototype.parseMessage = function(s) {
    var method = '',
        p = '',
        command = '',
        args = [],
        trailing = '';
    s = s.trim();
    if(s == '') {
        return;
    }
    if(s.charAt(0) == ':') {
        args = s.split(' ');
        p = args.shift().substr(1).split('!',1)[0];
        s = args.join(' ');
    }
    if(s.indexOf(' :') != -1) {
        var msg = s.split(' :');
        args = msg.shift().split(' ');
        trailing = msg.join(' :');
        args.push(trailing);
    } else {
        args = s.split(' ');
    }
    command = args.shift();
    method = 'irc_' + command.toUpperCase();
    console.log("<<< " + method + "('" + p + "'," + JSON.stringify(args) + ")");
    if(method in this) {
        this[method](p, args);
    } else {
        this.irc_unknown(p, args);
    }
};

jIRCs.prototype.parseModes = function(channel, modes, params) {
    var adding = true; // if + or - is not given first, adding is assumed.
    // The server should send the initial +/- anyway, but I also have to
    // initialize this to something, so may as well do it right.
    this.forEach(modes, function(mode) {
        switch (mode) {
            case '+':
                adding = true;
                break;
            case '-':
                adding = false;
                break;
            default:
                if (this.statusOrder.indexOf(mode) != -1) {
                    var user = params.shift();
                    if (adding) {
                        var oldPrefix = this.channels[channel].names[user] + this.statuses[mode];
                        var newPrefix = '';
                        this.forEach(this.statusOrder, function(m) {
                            if (oldPrefix.indexOf(this.statuses[m]) != -1) {
                                newPrefix += this.statuses[m];
                            }
                        }, this);
                        this.channels[channel].names[user] = newPrefix;
                    } else {
                        var symbol = this.statuses[mode];
                        var symPos = this.channels[channel].names[user].indexOf(symbol);
                        if (symPos != -1) {
                            var symarr = this.channels[channel].names[user].split('');
                            symarr.splice(symPos, 1);
                            this.channels[channel].names[user] = symarr.join('');
                        }
                    }
                    this.forEach(this.displays, function(disobj) {
                        if(disobj.viewing == channel) {
                            this.render(disobj);
                        }
                    }, this);
                } else {
                    var modeType = this.chanModes[mode];
                    // skip mode 0 because it's not worth the hassle to keep list modes in sync
                    if (modeType == 1) {
                        var param = params.shift(); // type 1 takes a parameter on both set and unset
                        if (adding) {
                            this.channels[channel].modes[mode] = param;
                        } else {
                            delete(this.channels[channel].modes[mode]);
                        }
                    } else if (modeType == 2) { // type 2 takes a parameter only on set
                        if (adding) {
                            this.channels[channel].modes[mode] = params.shift();
                        } else {
                            delete(this.channels[channel].modes[mode]);
                        }
                    } else if (modeType == 3) { // type 3 takes no parameters
                        if (adding) {
                            this.channels[channel].modes[mode] = '';
                        } else {
                            delete(this.channels[channel].modes[mode]);
                        }
                    }
                }
        }
    }, this);
};

jIRCs.prototype.getNick = function(prefix) { return prefix.split('!')[0]; };

jIRCs.prototype.zip = function(keys, values) {
    var r = {};
    for(var i = 0, k, v; (k = keys[i]) && (v = values[i]); i++) {
        r[k] = v;
    }
    return r;
};

jIRCs.prototype.forEach = function(object, fn, scope) {
    if(!object) {
        // Do nothing if undefined
    } else if(object.forEach) {
        object.forEach(fn, scope);
    } else if(object.length) {
        for(var i = 0, len = object.length; i < len; ++i) {
            fn.call(scope || object, object[i], i, object);
        }
    } else {
        for(var k in object) {
            if(object.hasOwnProperty(k)) {
                fn.call(scope || object, object[k], k, object);
            }
        }
    }
};

jIRCs.prototype.repeat = function(pattern, count) {
    if (count < 1) {
        return '';
    }
    var result = '';
    while (count > 0) {
        if (count & 1) {
            result += pattern;
        }
        count >>= 1, pattern += pattern;
    }
    return result;
};

jIRCs.prototype.measureText = function(text, classname) {
    var div = document.createElement("div");
    if(classname) {
        div.className = classname;
    }
    div.style.position = "absolute";
    div.style.visibility = "hidden";
    div.style.height = "auto";
    div.style.width = "auto";
    div.appendChild(document.createTextNode(text));
    document.body.appendChild(div);
    r = {"height": div.offsetHeight+2, "width": div.offsetWidth+2};
    document.body.removeChild(div);
    return r;
};

jIRCs.prototype.listen = function(element, event, func, disobj) {
    var f = this.fixEvent.bind(this, func.bind(this, disobj));
    if (element.addEventListener) {
        element.addEventListener(event, f, false); 
    } else if (element.attachEvent)  {
        element.attachEvent("on"+event, f);
    } else {
        element["on"+event] = f; // Will this work? I HAVE NO IDEA!!
    }
};

jIRCs.prototype.fixEvent = function(func, e) {
    e = e || window.event;
    if(!e.target) e.target = e.srcElement;
    func(e);
};

jIRCs.prototype.cancelEvent = function(e) {
    if(e.preventDefault){  
        e.preventDefault();  
    }else{  
        e.returnValue = false;  
        e.cancelBubble=true;  
    }
};

jIRCs.prototype.calculateScrollWidth = function() {
    var div = document.createElement("div");
    div.style.width = "100px";
    div.style.height = "100px";
    div.style.overflow = "scroll";
    document.body.appendChild(div);
    var w = div.offsetWidth - div.clientWidth;
    document.body.removeChild(div);
    return w;
};

jIRCs.prototype.cleanRegex = function(str) {
    return str.replace(this.regex_regex,"\\$&");
};