Added a really basic Config class for storing prefs clientside,

wired it up.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4184 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/util/Config.as

@@ -0,0 +1,46 @@
+package com.threerings.util {
+
+import flash.net.SharedObject;
+
+public class Config
+{
+    /**
+     * Constructs a new config object which will obtain configuration
+     * information from the specified path.
+     */
+    public function Config (path :String)
+    {
+        _so = SharedObject.getLocal("config_" + path, "/");
+    }
+
+    /**
+     * Fetches and returns the value for the specified configuration property.
+     */
+    public function getValue (name :String, defValue :Object) :Object
+    {
+        var val :* = _so.data[name];
+        return (val === undefined) ? defValue : val;
+    }
+
+    /**
+     * Returns the value specified.
+     */
+    public function setValue (name :String, value :Object) :void
+    {
+        _so.data[name] = value;
+        _so.flush(); // flushing is not strictly necessary
+    }
+
+    /**
+     * Remove any set value for the specified preference.
+     */
+    public function remove (name :String) :void
+    {
+        delete _so.data[name];
+        _so.flush(); // flushing is not strictly necessary
+    }
+
+    /** The shared object that contains our preferences. */
+    protected var _so :SharedObject;
+}
+}