Move vars into RFB namespace. Extend array in util.js.

include/util.js

@@ -27,3 +27,61 @@ function dirObj(obj, depth, parent) {
     }
     return msg;
 }
+
+
+/*
+ * Make arrays quack
+ */
+
+Array.prototype.shift8 = function () {
+    return this.shift();
+};
+Array.prototype.push8 = function (num) {
+    this.push(num & 0xFF);
+};
+
+Array.prototype.shift16 = function () {
+    return (this.shift() << 8) +
+           (this.shift()     );
+};
+Array.prototype.push16 = function (num) {
+    this.push((num >> 8) & 0xFF,
+              (num     ) & 0xFF  );
+};
+
+
+Array.prototype.shift32 = function () {
+    return (this.shift() << 24) +
+           (this.shift() << 16) +
+           (this.shift() <<  8) +
+           (this.shift()      );
+};
+Array.prototype.get32 = function (off) {
+    return (this[off    ] << 24) +
+           (this[off + 1] << 16) +
+           (this[off + 2] <<  8) +
+           (this[off + 3]      );
+};
+Array.prototype.push32 = function (num) {
+    this.push((num >> 24) & 0xFF,
+              (num >> 16) & 0xFF,
+              (num >>  8) & 0xFF,
+              (num      ) & 0xFF  );
+};
+
+Array.prototype.shiftStr = function (len) {
+    var arr = this.splice(0, len);
+    return arr.map(function (num) {
+            return String.fromCharCode(num); } ).join('');
+};
+Array.prototype.pushStr = function (str) {
+    var i, n = str.length;
+    for (i=0; i < n; i++) {
+        this.push(str.charCodeAt(i));
+    }
+};
+
+Array.prototype.shiftBytes = function (len) {
+    return this.splice(0, len);
+};
+