/*
	Copyright (c) 2004-2016, The JS Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/

//>>built
define("dojo/data/util/sorter",["../../_base/lang"],function(_1){var _2={};_1.setObject("dojo.data.util.sorter",_2);_2.basicComparator=function(a,b){var r=-1;if(a===null){a=undefined;}if(b===null){b=undefined;}if(a==b){r=0;}else{if(a>b||a==null){r=1;}}return r;};_2.createSortFunction=function(_3,_4){var _5=[];function _6(_7,_8,_9,s){return function(_a,_b){var a=s.getValue(_a,_7);var b=s.getValue(_b,_7);return _8*_9(a,b);};};var _c;var _d=_4.comparatorMap;var bc=_2.basicComparator;for(var i=0;i<_3.length;i++){_c=_3[i];var _e=_c.attribute;if(_e){var _f=(_c.descending)?-1:1;var _10=bc;if(_d){if(typeof _e!=="string"&&("toString" in _e)){_e=_e.toString();}_10=_d[_e]||bc;}_5.push(_6(_e,_f,_10,_4));}}return function(_11,_12){var i=0;while(i<_5.length){var ret=_5[i++](_11,_12);if(ret!==0){return ret;}}return 0;};};return _2;});