/**
+* Contains a singleton (ClassNameManager) that enables easy creation and caching of
+* prefixed class names.
+* @module classnamemanager
+*/
+
+/**
+ * A singleton class providing:
+ *
+ * <ul>
+ * <li>Easy creation of prefixed class names</li>
+ * <li>Caching of previously created class names for improved performance.</li>
+ * </ul>
+ *
+ * @class ClassNameManager
+ * @static
+ */
+
+// String constants
+var CLASS_NAME_PREFIX = 'classNamePrefix',
+ CLASS_NAME_DELIMITER = 'classNameDelimiter',
+ CONFIG = Y.config;
+
+// Global config
+
+/**
+ * Configuration property indicating the prefix for all CSS class names in this YUI instance.
+ *
+ * @property Y.config.classNamePrefix
+ * @type {String}
+ * @default "yui"
+ * @static
+ */
+CONFIG[CLASS_NAME_PREFIX] = CONFIG[CLASS_NAME_PREFIX] || 'yui';
+
+/**
+ * Configuration property indicating the delimiter used to compose all CSS class names in
+ * this YUI instance.
+ *
+ * @property Y.config.classNameDelimiter
+ * @type {String}
+ * @default "-"
+ * @static
+ */
+CONFIG[CLASS_NAME_DELIMITER] = CONFIG[CLASS_NAME_DELIMITER] || '-';
+
+Y.ClassNameManager = function () {
+
+ var sPrefix = CONFIG[CLASS_NAME_PREFIX],
+ sDelimiter = CONFIG[CLASS_NAME_DELIMITER];
+
+ return {
+
+ /**
+ * Returns a class name prefixed with the the value of the
+ * <code>Y.config.classNamePrefix</code> attribute + the provided strings.
+ * Uses the <code>Y.config.classNameDelimiter</code> attribute to delimit the
+ * provided strings. E.g. Y.ClassNameManager.getClassName('foo','bar'); // yui-foo-bar
+ *
+ * @method getClassName
+ * @param {String}+ one or more classname bits to be joined and prefixed
+ */
+ getClassName: Y.cached(function (c, x) {
+
+ var sClass = sPrefix + sDelimiter +
+ // ((x) ? Y.Array(arguments, 0, true).join(sDelimiter) : c);
+ ((x) ? Array.prototype.join.call(arguments, sDelimiter) : c);
+
+ return sClass.replace(/\s/g, '');
+
+ })
+
+ };
+
+}();
+