core.js

/**/ var undefined;

if (!window.console) {
	window.console = {};
}
if (!console.log) {
	console.log = function () {};
}

var _VERSION = '${VERSION}',
	_ua = navigator.userAgent.toLowerCase(),
	_IE = _ua.indexOf('msie') > -1 && _ua.indexOf('opera') == -1,
	_NEWIE = _ua.indexOf('msie') == -1 && _ua.indexOf('trident') > -1,
	_GECKO = _ua.indexOf('gecko') > -1 && _ua.indexOf('khtml') == -1,
	_WEBKIT = _ua.indexOf('applewebkit') > -1,
	_OPERA = _ua.indexOf('opera') > -1,
	_MOBILE = _ua.indexOf('mobile') > -1,
	_IOS = /ipad|iphone|ipod/.test(_ua),
	_QUIRKS = document.compatMode != 'CSS1Compat',
	_IERANGE = !window.getSelection,
	_matches = /(?:msie|firefox|webkit|opera)[\/:\s](\d+)/.exec(_ua),
	_V = _matches ? _matches[1] : '0',
	_TIME = new Date().getTime();

function _isArray(val) {
	if (!val) {
		return false;
	}
	return Object.prototype.toString.call(val) === '[object Array]';
}

function _isFunction(val) {
	if (!val) {
		return false;
	}
	return Object.prototype.toString.call(val) === '[object Function]';
}

function _inArray(val, arr) {
	for (var i = 0, len = arr.length; i < len; i++) {
		if (val === arr[i]) {
			return i;
		}
	}
	return -1;
}

function _each(obj, fn) {
	if (_isArray(obj)) {
		for (var i = 0, len = obj.length; i < len; i++) {
			if (fn.call(obj[i], i, obj[i]) === false) {
				break;
			}
		}
	} else {
		for (var key in obj) {
			if (obj.hasOwnProperty(key)) {
				if (fn.call(obj[key], key, obj[key]) === false) {
					break;
				}
			}
		}
	}
}

function _trim(str) {
	// Forgive various special whitespaces, e.g. &nbsp;(\xa0).
	return str.replace(/(?:^[ \t\n\r]+)|(?:[ \t\n\r]+$)/g, '');
}

function _inString(val, str, delimiter) {
	delimiter = delimiter === undefined ? ',' : delimiter;
	return (delimiter + str + delimiter).indexOf(delimiter + val + delimiter) >= 0;
}

function _addUnit(val, unit) {
	unit = unit || 'px';
	return val && /^-?\d+(?:\.\d+)?$/.test(val) ? val + unit : val;
}

function _removeUnit(val) {
	var match;
	return val && (match = /(\d+)/.exec(val)) ? parseInt(match[1], 10) : 0;
}

function _escape(val) {
	return val.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
}

function _unescape(val) {
	return val.replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&quot;/g, '"').replace(/&amp;/g, '&');
}

function _toCamel(str) {
	var arr = str.split('-');
	str = '';
	_each(arr, function(key, val) {
		str += (key > 0) ? val.charAt(0).toUpperCase() + val.substr(1) : val;
	});
	return str;
}

function _toHex(val) {
	function hex(d) {
		var s = parseInt(d, 10).toString(16).toUpperCase();
		return s.length > 1 ? s : '0' + s;
	}
	return val.replace(/rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)/ig,
		function($0, $1, $2, $3) {
			return '#' + hex($1) + hex($2) + hex($3);
		}
	);
}

function _toMap(val, delimiter) {
	delimiter = delimiter === undefined ? ',' : delimiter;
	var map = {}, arr = _isArray(val) ? val : val.split(delimiter), match;
	_each(arr, function(key, val) {
		if ((match = /^(\d+)\.\.(\d+)$/.exec(val))) {
			for (var i = parseInt(match[1], 10); i <= parseInt(match[2], 10); i++) {
				map[i.toString()] = true;
			}
		} else {
			map[val] = true;
		}
	});
	return map;
}

function _toArray(obj, offset) {
	return Array.prototype.slice.call(obj, offset || 0);
}

function _undef(val, defaultVal) {
	return val === undefined ? defaultVal : val;
}

function _invalidUrl(url) {
	return !url || /[<>"]/.test(url);
}

function _addParam(url, param) {
	return url.indexOf('?') >= 0 ? url + '&' + param : url + '?' + param;
}

function _extend(child, parent, proto) {
	if (!proto) {
		proto = parent;
		parent = null;
	}
	var childProto;
	if (parent) {
		var fn = function () {};
		fn.prototype = parent.prototype;
		childProto = new fn();
		_each(proto, function(key, val) {
			childProto[key] = val;
		});
	} else {
		childProto = proto;
	}
	childProto.constructor = child;
	child.prototype = childProto;
	child.parent = parent ? parent.prototype : null;
}

//From http://www.json.org/json2.js
function _json(text) {
	var match;
	if ((match = /\{[\s\S]*\}|\[[\s\S]*\]/.exec(text))) {
		text = match[0];
	}
	var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
	cx.lastIndex = 0;
	if (cx.test(text)) {
		text = text.replace(cx, function (a) {
			return '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
		});
	}
	if (/^[\],:{}\s]*$/.
	test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@').
	replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']').
	replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
		return eval('(' + text + ')');
	}
	throw 'JSON parse error';
}

var _round = Math.round;

var K = {
	DEBUG : false,
	VERSION : _VERSION,
	IE : _IE,
	GECKO : _GECKO,
	WEBKIT : _WEBKIT,
	OPERA : _OPERA,
	V : _V,
	TIME : _TIME,
	each : _each,
	isArray : _isArray,
	isFunction : _isFunction,
	inArray : _inArray,
	inString : _inString,
	trim : _trim,
	addUnit : _addUnit,
	removeUnit : _removeUnit,
	escape : _escape,
	unescape : _unescape,
	toCamel : _toCamel,
	toHex : _toHex,
	toMap : _toMap,
	toArray : _toArray,
	undef : _undef,
	invalidUrl : _invalidUrl,
	addParam : _addParam,
	extend : _extend,
	json : _json
};

var _INLINE_TAG_MAP = _toMap('a,abbr,acronym,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,img,input,ins,kbd,label,map,q,s,samp,select,small,span,strike,strong,sub,sup,textarea,tt,u,var'),
	_BLOCK_TAG_MAP = _toMap('address,applet,blockquote,body,center,dd,dir,div,dl,dt,fieldset,form,frameset,h1,h2,h3,h4,h5,h6,head,hr,html,iframe,ins,isindex,li,map,menu,meta,noframes,noscript,object,ol,p,pre,script,style,table,tbody,td,tfoot,th,thead,title,tr,ul'),
	_SINGLE_TAG_MAP = _toMap('area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed'),
	_STYLE_TAG_MAP = _toMap('b,basefont,big,del,em,font,i,s,small,span,strike,strong,sub,sup,u'),
	_CONTROL_TAG_MAP = _toMap('img,table,input,textarea,button'),
	_PRE_TAG_MAP = _toMap('pre,style,script'),
	_NOSPLIT_TAG_MAP = _toMap('html,head,body,td,tr,table,ol,ul,li'),
	_AUTOCLOSE_TAG_MAP = _toMap('colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr'),
	_FILL_ATTR_MAP = _toMap('checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected'),
	_VALUE_TAG_MAP = _toMap('input,button,textarea,select');