/*
This file is part of the DITA Open Toolkit project.

See the accompanying LICENSE file for applicable license.
                                                                                                                                                      
Copyright (c) 2006, Yahoo! Inc. All rights reserved.                                                                                                    
Code licensed under the BSD License:                                                                                                                    
http://developer.yahoo.net/yui/license.txt                                                                                                              
version: 0.10.0                                                                                                                                         
*/ 

/* Copyright (c) 2006 Yahoo! Inc. All rights reserved. */

/**
 * The Yahoo global namespace
 * @constructor
 */
var YAHOO = window.YAHOO || {};

/**
 * Returns the namespace specified and creates it if it doesn't exist
 *
 * YAHOO.namespace("property.package");
 * YAHOO.namespace("YAHOO.property.package");
 *
 * Either of the above would create YAHOO.property, then
 * YAHOO.property.package
 *
 * @param  {String} sNameSpace String representation of the desired 
 *                             namespace
 * @return {Object}            A reference to the namespace object
 */
YAHOO.namespace = function( sNameSpace ) {

    if (!sNameSpace || !sNameSpace.length) {
        return null;
    }

    var levels = sNameSpace.split(".");

    var currentNS = YAHOO;

    // YAHOO is implied, so it is ignored if it is included
    for (var i=(levels[0] == "YAHOO") ? 1 : 0; i<levels.length; ++i) {
        currentNS[levels[i]] = currentNS[levels[i]] || {};
        currentNS = currentNS[levels[i]];
    }

    return currentNS;
};

/**
 * Global log method.
 */
YAHOO.log = function(sMsg,sCategory) {
    if(YAHOO.widget.Logger) {
        YAHOO.widget.Logger.log(null, sMsg, sCategory);
    } else {
        return false;
    }
};

YAHOO.namespace("util");
YAHOO.namespace("widget");
YAHOO.namespace("example");