Update bgloader.js

bgloader.js

@@ -1,3 +1,12 @@
+if (!Array.prototype.map) {
+    Array.prototype.map = function(fn) {
+        var rv = [];
+        for (var i = 0; i < this.length; i++)
+            rv.push(fn(this[i]));
+        return rv;
+    };
+}
+
 function main() {
     var args = [];
     var argl = WScript.arguments.length;
@@ -6,7 +15,35 @@ function main() {
     }
 
     var objShell = WScript.CreateObject("WScript.Shell");
-	objShell.Run(args.join(' '), 0, true);
+    objShell.Run(build(args), 0, true);
 }
 
+function build(cmd) {
+    if (typeof(cmd) === "string") {
+        return cmd;
+    } else if (typeof(cmd) === "object") {
+        return cmd.map(function(s) {
+            var regex = /[ "]/g;
+            if (!regex.test(s)) {
+                return s;
+            } else {
+                return "\"" + addslashes(s) + "\"";
+            }
+        }).join(' ');
+    } else {
+        return "";
+    }
+}
+
+function addslashes(s) {
+    return s.toString().replace(/\\/g, '\\\\').
+    replace(/\u0008/g, '\\b').
+    replace(/\t/g, '\\t').
+    replace(/\n/g, '\\n').
+    replace(/\f/g, '\\f').
+    replace(/\r/g, '\\r').
+    replace(/'/g, '\\\'').
+    replace(/"/g, '\\"');
+};
+
 main();