TDL: Protocol for .dan.g.'s ToDoList, Useful for SVN Users

// ToDoList Protocol (TDL) Script Edition, Version 1.0 Beta2

function TdlParser(url) {
    this.url = unescape(url);
    this.tid = null;

    this.parse();
}

TdlParser.prototype.init = function() {
    TdlParser.prototype.ParseError = new Error("parse error");
}

TdlParser.prototype.parse = function() {
    if (this.url.match(/^tdl:\/\/\//i) == null) {
        throw this.ParseError;
    }
    
    var url = this.url.substr(7);
    var i = url.indexOf("?");

    if (i < 0) {
        this.tid = null;
        return;
    }

    this.filename = unescape(url.substr(0, i));
    this.tid = parseInt(url.substr(i + 1));
    if (isNaN(this.tid)) {
        this.tid = 0;
        throw this.ParseError;
    }
}

TdlParser.prototype.getFilename = function() {
    return this.filename;
}

TdlParser.prototype.getTid = function() {
    return this.tid;
}

TdlParser.prototype.toString = function() {
    var str = "tdl:///" + escape(this.filename.replace(/\\\\/g, "/"));
    if (this.tid != null) {
        str += "?" + this.tid;
    }
    return str;
}

TdlParser.prototype.init();