String.prototype.startsWith = function(what) {
return this.substring(0, what.length) == what;
}
+
+/* NOT cryptographically secure! */
+qwebirc.util.randHexString = function(numBytes) {
+ var getByte = function() {
+ return (((1+Math.random())*0x100)|0).toString(16).substring(1);
+ };
+
+ var l = [];
+ for(var i=0;i<numBytes;i++)
+ l.push(getByte());
+
+ return l.join("");
+}
+
+qwebirc.util.importJS = function(name, watchFor, onload) {
+ var script = document.createElement("script");
+ script.type = "text/javascript";
+ script.src = name;
+
+ if(Browser.Engine.trident) {
+ /* HORRID */
+ var checkFn = function() {
+ if(eval("typeof " + watchFor) != "undefined") {
+ onload();
+ } else {
+ checkFn.delay(10);
+ }
+ }
+ checkFn();
+ } else {
+ script.onload = onload;
+ }
+ document.getElementsByTagName("head")[0].appendChild(script);
+}
+
+qwebirc.util.createInput = function(type, parent, name, selected) {
+ var r;
+ if(Browser.Engine.trident) {
+ if(name) {
+ name = " name=\"" + escape(name) + "\"";
+ } else {
+ name = "";
+ }
+ r = $(document.createElement("<input type=\"" + type + "\"" + name + " " + (selected?" checked":"") + "/>"));
+ } else {
+ r = new Element("input");
+ r.type = type;
+ if(name)
+ r.name = name;
+
+ if(selected)
+ r.checked = true;
+ }
+
+ parent.appendChild(r);
+ return r;
+}
+
+/* From: www.webtoolkit.info */
+qwebirc.util.b64Table = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+qwebirc.util.b64Encode = function(data) {
+ var output = [];
+ var table = qwebirc.util.b64Table;
+ for(i=0;i<data.length;) {
+ var chr1 = data.charCodeAt(i++);
+ var chr2 = data.charCodeAt(i++);
+ var chr3 = data.charCodeAt(i++);
+
+ var enc1 = chr1 >> 2;
+ var enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
+ var enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
+ var enc4 = chr3 & 63;
+
+ if(isNaN(chr2)) {
+ enc3 = enc4 = 64;
+ } else if(isNaN(chr3)) {
+ enc4 = 64;
+ }
+
+ output.push(table.charAt(enc1) + table.charAt(enc2) + table.charAt(enc3) + table.charAt(enc4));
+ }
+ return output.join("");
+}
+
+/* From: www.webtoolkit.info */
+qwebirc.util.b64Decode = function(data) {
+ data = data.replace(/[^A-Za-z0-9\+\/\=]/g, "");
+
+ var output = [];
+ var table = qwebirc.util.b64Table;
+ for(var i=0;i<data.length;) {
+ var enc1 = table.indexOf(data.charAt(i++));
+ var enc2 = table.indexOf(data.charAt(i++));
+ var enc3 = table.indexOf(data.charAt(i++));
+ var enc4 = table.indexOf(data.charAt(i++));
+
+ var chr1 = (enc1 << 2) | (enc2 >> 4);
+ var chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
+ var chr3 = ((enc3 & 3) << 6) | enc4;
+
+ output.push(String.fromCharCode(chr1));
+ if (enc3 != 64)
+ output.push(String.fromCharCode(chr2));
+ if (enc4 != 64)
+ output.push(String.fromCharCode(chr3));
+ }
+
+ return output.join("");
+}