unity and native osx bundles and frameworks build from the same project now

integrations/Unity3D/Assets/OBJ-IO/Plugins/Extension/StringExtensions.cs

@@ -0,0 +1,43 @@
+
+using System;
+using System.Globalization;
+
+public static class StringExt
+{
+    //------------------------------------------------------------------------------------------------------------
+    public static float ParseInvariantFloat(this string floatString)
+    {
+        return float.Parse(floatString, CultureInfo.InvariantCulture.NumberFormat);
+    }
+
+    //------------------------------------------------------------------------------------------------------------
+    public static int ParseInvariantInt(this string intString)
+    {
+        return int.Parse(intString, CultureInfo.InvariantCulture.NumberFormat);
+    }
+
+    //------------------------------------------------------------------------------------------------------------
+    public static bool EqualsInvariantCultureIgnoreCase(this string str, string s)
+    {
+        return str.Equals(s, StringComparison.InvariantCultureIgnoreCase);
+    }
+
+    //------------------------------------------------------------------------------------------------------------
+    public static bool IsNullOrEmpty(this string str)
+    {
+        return string.IsNullOrEmpty(str);
+    }
+
+    //------------------------------------------------------------------------------------------------------------
+    public static bool IsNullOrWhiteSpace(string value)
+    {
+        if (value == null)
+            return true;
+        for (int index = 0; index < value.Length; ++index)
+        {
+            if (!char.IsWhiteSpace(value[index]))
+                return false;
+        }
+        return true;
+    }
+}