-
- r = tmp;
-
- // We can get a speed boost by handling nth-child here
- } else if ( m[1] == ":" && m[2] == "nth-child" ) {
- var merge = {}, tmp = [],
- // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
- test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
- m[3] == "even" && "2n" || m[3] == "odd" && "2n+1" ||
- !/\D/.test(m[3]) && "0n+" + m[3] || m[3]),
- // calculate the numbers (first)n+(last) including if they are negative
- first = (test[1] + (test[2] || 1)) - 0, last = test[3] - 0;
-
- // loop through all the elements left in the jQuery object
- for ( var i = 0, rl = r.length; i < rl; i++ ) {
- var node = r[i], parentNode = node.parentNode, id = jQuery.data(parentNode);
-
- if ( !merge[id] ) {
- var c = 1;
-
- for ( var n = parentNode.firstChild; n; n = n.nextSibling )
- if ( n.nodeType == 1 )
- n.nodeIndex = c++;
-
- merge[id] = true;
+ }
+
+ return match;
+ },
+ POS: function(match){
+ match.unshift( true );
+ return match;
+ }
+ },
+ filters: {
+ enabled: function(elem){
+ return elem.disabled === false && elem.type !== "hidden";
+ },
+ disabled: function(elem){
+ return elem.disabled === true;
+ },
+ checked: function(elem){
+ return elem.checked === true;
+ },
+ selected: function(elem){
+ // Accessing this property makes selected-by-default
+ // options in Safari work properly
+ elem.parentNode.selectedIndex;
+ return elem.selected === true;
+ },
+ parent: function(elem){
+ return !!elem.firstChild;
+ },
+ empty: function(elem){
+ return !elem.firstChild;
+ },
+ has: function(elem, i, match){
+ return !!Sizzle( match[3], elem ).length;
+ },
+ header: function(elem){
+ return /h\d/i.test( elem.nodeName );
+ },
+ text: function(elem){
+ return "text" === elem.type;
+ },
+ radio: function(elem){
+ return "radio" === elem.type;
+ },
+ checkbox: function(elem){
+ return "checkbox" === elem.type;
+ },
+ file: function(elem){
+ return "file" === elem.type;
+ },
+ password: function(elem){
+ return "password" === elem.type;
+ },
+ submit: function(elem){
+ return "submit" === elem.type;
+ },
+ image: function(elem){
+ return "image" === elem.type;
+ },
+ reset: function(elem){
+ return "reset" === elem.type;
+ },
+ button: function(elem){
+ return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON";
+ },
+ input: function(elem){
+ return /input|select|textarea|button/i.test(elem.nodeName);
+ }
+ },
+ setFilters: {
+ first: function(elem, i){
+ return i === 0;
+ },
+ last: function(elem, i, match, array){
+ return i === array.length - 1;
+ },
+ even: function(elem, i){
+ return i % 2 === 0;
+ },
+ odd: function(elem, i){
+ return i % 2 === 1;
+ },
+ lt: function(elem, i, match){
+ return i < match[3] - 0;
+ },
+ gt: function(elem, i, match){
+ return i > match[3] - 0;
+ },
+ nth: function(elem, i, match){
+ return match[3] - 0 == i;
+ },
+ eq: function(elem, i, match){
+ return match[3] - 0 == i;
+ }
+ },
+ filter: {
+ CHILD: function(elem, match){
+ var type = match[1], parent = elem.parentNode;
+
+ var doneName = match[0];
+
+ if ( parent && !parent[ doneName ] ) {
+ var count = 1;
+
+ for ( var node = parent.firstChild; node; node = node.nextSibling ) {
+ if ( node.nodeType == 1 ) {
+ node.nodeIndex = count++;