More progress.

Created adapters for invocation services so that I can do inner-class like
things by passing references to private functions out to an external entity.
I will see if it's possible to merge my adapter with the marshallers
because it's still to have multiple wrappy classes.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3944 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/util/StringUtil.as

@@ -6,5 +6,25 @@ public class StringUtil
     {
         return (str == null) || (str.search("\\S") == -1);
     }
+
+    /**
+     * Utility function that strips whitespace from the ends of a String.
+     */
+    public static function trim (str :String) :String
+    {
+        while (str.search(/\s/) == 0) {
+            str = str.substring(1);
+        }
+        do {
+            var endstr :String = str.substring(str.length - 1);
+            if (endstr.search(/\s/) != -1) {
+                str = str.substring(0, str.length - 1);
+            } else {
+                break;
+            }
+        } while (true);
+
+        return str;
+    }
 }
 }