partial support of plain numbers.

app/bitwise/calc.js

@@ -6,12 +6,12 @@
         return Math.floor(Math.log(num) / Math.log(2)) + 1;
     };
 
-    calc.maxNumberOfBits = function () {
+    calc.maxNumberOfBits = function (arr) {
 
         var counts = [], num;
-        for(var i=0;i<arguments.length; i++)
+        for(var i=0;i<arr.length; i++)
         {
-            num = arguments[i];
+            num = arr[i];
             counts.push(this.numberOfBits(num));
         }
 

app/bitwise/expression.js

@@ -1,23 +1,51 @@
 (function() {
     var twoOperandsRegex = /^(\d+)(<<|>>|\||\&|\^)(\d+)$/;
+    var numbersList = /^((\d*)+\s?)+$/;
 
     app.service('expression', {
         parse: function(string) {
-            var matches = twoOperandsRegex.exec(string);
+            var trimmed = string.replace(/^\s+|\s+$/, '');
-            if(matches == null) {
+            var matches = twoOperandsRegex.exec(trimmed);
-                return null;
+
+            if(matches != null) {
+                return createCalculableExpression(matches);
             }
 
-            return {
+            matches = numbersList.exec(string);
-                string:matches[0],
+            if(matches != null) {
-                operand1: parseInt(matches[1], 10),
+                return createListOfNumbersExpression(matches)
-                sign: matches[2],
-                operand2: parseInt(matches[3], 10),
-                result: function() {
-                    return eval(string);
-                }
             }
+
         }
     });
 
+    function createCalculableExpression(matches) {
+
+        var o1 = parseInt(matches[1], 10);
+        var o2 = parseInt(matches[3], 10);
+
+        return {
+            string: matches.input,
+            operand1: o1,
+            sign: matches[2],
+            operand2: o2,
+            calculate: function() {
+                return eval(this.string);
+            }
+        }
+    }
+
+    function createListOfNumbersExpression(matches) {
+        var numbers = [], i=0;
+
+        for(;i<matches.length; i++) {
+            numbers.push(parseInt(matches[i], 10));
+        }
+
+        return {
+            string:matches.input,
+            operands: numbers
+        }
+    }
+
 })(window.app);

app/views.js

@@ -10,9 +10,21 @@
 
     ExpressionView.prototype.render = function () {
            var expr = this.expression,
-               hb = app.service('html').builder(),
+               hb = app.service('html').builder();
-               result = expr.result(),
+
-               maxLen = calc.maxNumberOfBits(expr.operand1, expr.operand2, result);
+        console.log('Rendering expression: ', expr)
+
+        if(typeof expr.calculate == "function") {
+            return renderCalculableExpression(expr, hb);
+        } else {
+            return renderListOfNumbers(expr, hb);
+        }
+
+    };
+
+    function renderCalculableExpression(expr, hb) {
+        var result = expr.calculate(),
+            maxLen = calc.maxNumberOfBits([expr.operand1, expr.operand2, result]);
 
         hb.element('table', { class: "expression", cellspacing: "0"}, function () {
             buildRow(hb, expr.operand1, formatter.toBinaryString(expr.operand1, maxLen));
@@ -21,7 +33,19 @@
         });
 
         return hb.toHtmlElement();
-    };
+    }
+
+    function renderListOfNumbers(expr, hb) {
+        var maxLen = calc.maxNumberOfBits(expr.operands);
+
+        hb.element('table', { class: "expression", cellspacing: "0"}, function () {
+            expr.operands.forEach(function(o){
+                buildRow(hb, o, formatter.toBinaryString(o, maxLen));
+            });
+        });
+
+        return hb.toHtmlElement();
+    }
 
     function buildRow(hb, label, binaryStr, attrs) {
         hb.element('tr', attrs, function() {

components/bindr.js

@@ -96,8 +96,11 @@
                 continue;
             }
 
-            element.addEventListener('DOMNodeRemoved', function () {
+            element.addEventListener('DOMNodeRemoved', function (evt) {
+                if(element === evt.target) {
                     ctrl.detachView();
+                }
+
                 console.log(ctrlName + ' Controller: view detached');
             });
         }