From 92a0c80a4820689b14aaf1b7f0dda59de9417ac7 Mon Sep 17 00:00:00 2001
From: jez
Date: Tue, 4 Jan 2011 16:59:50 +0800
Subject: Factor out invokeCommandString.

Had to make 'this' point explicitly to 'window'.
---
 lib/utils.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'lib/utils.js')

diff --git a/lib/utils.js b/lib/utils.js
index 4c05610c..7fc2a6b9 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -38,4 +38,17 @@ var utils = {
       }
     return result;
   },
+
+  /*
+   * Takes a dot-notation object string and call the function
+   * that it points to with the correct value for 'this'.
+   */
+  invokeCommandString: function(str, argArray) {
+    var components = str.split('.');
+    var obj = window;
+    for (var i = 0; i < components.length - 1; i++)
+      obj = obj[components[i]];
+    var func = obj[components.pop()];
+    return func.apply(obj, argArray);
+  },
 };
-- 
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