/**
 * $Id$
 *
 * @author Moxiecode
 * @copyright Copyright © 2004-2007, Moxiecode Systems AB, All rights reserved.
 *
 * The contents of this file will be wrapped in a class later on.
 */

/**#@+
 * @member TinyMCE_Engine
 * @method
 */
tinyMCE.add(TinyMCE_Engine, {
	/**
	 * Returns a cleared array, since some external libraries tend to extend the Array core object
	 * arrays needs to be cleaned from these extended functions. So this function simply setting any
	 * named properties to null.
	 *
	 * @param {Array} Name/Value array to clear.
	 * @return Cleared name/value array.
	 * @type Array
	 */
	clearArray : function(a) {
		var n;

		for (n in a)
			a[n] = null;

		return a;
	},

	/**
	 * Splits a string by the specified delimiter and skips any empty items.
	 *
	 * @param {string} d Delimiter to split by.
	 * @param {string} s String to split.
	 * @return Array with chunks from string.
	 * @type Array
	 */
	explode : function(d, s) {
		var ar = s.split(d), oar = [], i;

		for (i = 0; i<ar.length; i++) {
			if (ar[i] !== '')
				oar[oar.length] = ar[i];
		}

		return oar;
	}
});

/**#@-*/