1069 lines
26 KiB
JavaScript
1069 lines
26 KiB
JavaScript
/*!
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* Sizzle CSS Selector Engine - v1.0
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* Copyright 2009, The Dojo Foundation
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* Released under the MIT, BSD, and GPL Licenses.
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* More information: http://sizzlejs.com/
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*/
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(function(){
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var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^\[\]]*\]|['"][^'"]*['"]|[^\[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
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done = 0,
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toString = Object.prototype.toString,
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hasDuplicate = false,
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baseHasDuplicate = true;
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// Here we check if the JavaScript engine is using some sort of
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// optimization where it does not always call our comparision
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// function. If that is the case, discard the hasDuplicate value.
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// Thus far that includes Google Chrome.
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[0, 0].sort(function(){
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baseHasDuplicate = false;
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return 0;
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});
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var Sizzle = function(selector, context, results, seed) {
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results = results || [];
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context = context || document;
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var origContext = context;
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if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
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return [];
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}
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if ( !selector || typeof selector !== "string" ) {
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return results;
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}
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var parts = [], m, set, checkSet, extra, prune = true, contextXML = Sizzle.isXML(context),
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soFar = selector, ret, cur, pop, i;
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// Reset the position of the chunker regexp (start from head)
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do {
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chunker.exec("");
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m = chunker.exec(soFar);
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if ( m ) {
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soFar = m[3];
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parts.push( m[1] );
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if ( m[2] ) {
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extra = m[3];
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break;
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}
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}
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} while ( m );
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if ( parts.length > 1 && origPOS.exec( selector ) ) {
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if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
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set = posProcess( parts[0] + parts[1], context );
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} else {
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set = Expr.relative[ parts[0] ] ?
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[ context ] :
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Sizzle( parts.shift(), context );
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while ( parts.length ) {
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selector = parts.shift();
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if ( Expr.relative[ selector ] ) {
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selector += parts.shift();
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}
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set = posProcess( selector, set );
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}
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}
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} else {
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// Take a shortcut and set the context if the root selector is an ID
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// (but not if it'll be faster if the inner selector is an ID)
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if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
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Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
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ret = Sizzle.find( parts.shift(), context, contextXML );
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context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0];
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}
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if ( context ) {
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ret = seed ?
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{ expr: parts.pop(), set: makeArray(seed) } :
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Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
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set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;
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if ( parts.length > 0 ) {
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checkSet = makeArray(set);
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} else {
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prune = false;
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}
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while ( parts.length ) {
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cur = parts.pop();
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pop = cur;
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if ( !Expr.relative[ cur ] ) {
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cur = "";
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} else {
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pop = parts.pop();
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}
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if ( pop == null ) {
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pop = context;
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}
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Expr.relative[ cur ]( checkSet, pop, contextXML );
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}
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} else {
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checkSet = parts = [];
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}
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}
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if ( !checkSet ) {
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checkSet = set;
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}
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if ( !checkSet ) {
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Sizzle.error( cur || selector );
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}
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if ( toString.call(checkSet) === "[object Array]" ) {
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if ( !prune ) {
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results.push.apply( results, checkSet );
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} else if ( context && context.nodeType === 1 ) {
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for ( i = 0; checkSet[i] != null; i++ ) {
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if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && Sizzle.contains(context, checkSet[i])) ) {
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results.push( set[i] );
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}
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}
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} else {
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for ( i = 0; checkSet[i] != null; i++ ) {
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if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
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results.push( set[i] );
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}
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}
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}
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} else {
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makeArray( checkSet, results );
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}
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if ( extra ) {
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Sizzle( extra, origContext, results, seed );
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Sizzle.uniqueSort( results );
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}
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return results;
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};
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Sizzle.uniqueSort = function(results){
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if ( sortOrder ) {
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hasDuplicate = baseHasDuplicate;
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results.sort(sortOrder);
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if ( hasDuplicate ) {
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for ( var i = 1; i < results.length; i++ ) {
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if ( results[i] === results[i-1] ) {
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results.splice(i--, 1);
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}
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}
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}
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}
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return results;
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};
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Sizzle.matches = function(expr, set){
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return Sizzle(expr, null, null, set);
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};
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Sizzle.find = function(expr, context, isXML){
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var set;
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if ( !expr ) {
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return [];
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}
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for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
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var type = Expr.order[i], match;
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if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
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var left = match[1];
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match.splice(1,1);
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if ( left.substr( left.length - 1 ) !== "\\" ) {
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match[1] = (match[1] || "").replace(/\\/g, "");
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set = Expr.find[ type ]( match, context, isXML );
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if ( set != null ) {
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expr = expr.replace( Expr.match[ type ], "" );
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break;
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}
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}
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}
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}
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if ( !set ) {
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set = context.getElementsByTagName("*");
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}
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return {set: set, expr: expr};
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};
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Sizzle.filter = function(expr, set, inplace, not){
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var old = expr, result = [], curLoop = set, match, anyFound,
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isXMLFilter = set && set[0] && Sizzle.isXML(set[0]);
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while ( expr && set.length ) {
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for ( var type in Expr.filter ) {
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if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) {
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var filter = Expr.filter[ type ], found, item, left = match[1];
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anyFound = false;
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match.splice(1,1);
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if ( left.substr( left.length - 1 ) === "\\" ) {
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continue;
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}
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if ( curLoop === result ) {
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result = [];
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}
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if ( Expr.preFilter[ type ] ) {
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match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
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if ( !match ) {
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anyFound = found = true;
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} else if ( match === true ) {
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continue;
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}
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}
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if ( match ) {
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for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
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if ( item ) {
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found = filter( item, match, i, curLoop );
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var pass = not ^ !!found;
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if ( inplace && found != null ) {
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if ( pass ) {
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anyFound = true;
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} else {
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curLoop[i] = false;
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}
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} else if ( pass ) {
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result.push( item );
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anyFound = true;
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}
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}
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}
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}
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if ( found !== undefined ) {
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if ( !inplace ) {
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curLoop = result;
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}
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expr = expr.replace( Expr.match[ type ], "" );
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if ( !anyFound ) {
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return [];
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}
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break;
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}
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}
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}
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// Improper expression
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if ( expr === old ) {
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if ( anyFound == null ) {
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Sizzle.error( expr );
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} else {
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break;
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}
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}
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old = expr;
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}
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return curLoop;
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};
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Sizzle.error = function( msg ) {
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throw "Syntax error, unrecognized expression: " + msg;
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};
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var Expr = Sizzle.selectors = {
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order: [ "ID", "NAME", "TAG" ],
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match: {
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ID: /#((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
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CLASS: /\.((?:[\w\u00c0-\uFFFF\-]|\\.)+)/,
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NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF\-]|\\.)+)['"]*\]/,
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ATTR: /\[\s*((?:[\w\u00c0-\uFFFF\-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
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TAG: /^((?:[\w\u00c0-\uFFFF\*\-]|\\.)+)/,
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CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+\-]*)\))?/,
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POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^\-]|$)/,
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PSEUDO: /:((?:[\w\u00c0-\uFFFF\-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
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},
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leftMatch: {},
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attrMap: {
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"class": "className",
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"for": "htmlFor"
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},
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attrHandle: {
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href: function(elem){
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return elem.getAttribute("href");
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}
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},
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relative: {
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"+": function(checkSet, part){
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var isPartStr = typeof part === "string",
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isTag = isPartStr && !/\W/.test(part),
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isPartStrNotTag = isPartStr && !isTag;
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if ( isTag ) {
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part = part.toLowerCase();
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}
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for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
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if ( (elem = checkSet[i]) ) {
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while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
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checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ?
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elem || false :
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elem === part;
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}
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}
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if ( isPartStrNotTag ) {
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Sizzle.filter( part, checkSet, true );
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}
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},
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">": function(checkSet, part){
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var isPartStr = typeof part === "string",
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elem, i = 0, l = checkSet.length;
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if ( isPartStr && !/\W/.test(part) ) {
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part = part.toLowerCase();
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for ( ; i < l; i++ ) {
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elem = checkSet[i];
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if ( elem ) {
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var parent = elem.parentNode;
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checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false;
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}
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}
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} else {
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for ( ; i < l; i++ ) {
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elem = checkSet[i];
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if ( elem ) {
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checkSet[i] = isPartStr ?
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elem.parentNode :
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elem.parentNode === part;
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}
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}
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if ( isPartStr ) {
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Sizzle.filter( part, checkSet, true );
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}
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}
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},
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"": function(checkSet, part, isXML){
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var doneName = done++, checkFn = dirCheck, nodeCheck;
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if ( typeof part === "string" && !/\W/.test(part) ) {
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part = part.toLowerCase();
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nodeCheck = part;
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checkFn = dirNodeCheck;
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}
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checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
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},
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"~": function(checkSet, part, isXML){
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var doneName = done++, checkFn = dirCheck, nodeCheck;
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if ( typeof part === "string" && !/\W/.test(part) ) {
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part = part.toLowerCase();
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nodeCheck = part;
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checkFn = dirNodeCheck;
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}
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checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
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}
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},
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find: {
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ID: function(match, context, isXML){
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if ( typeof context.getElementById !== "undefined" && !isXML ) {
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var m = context.getElementById(match[1]);
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return m ? [m] : [];
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}
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},
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NAME: function(match, context){
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if ( typeof context.getElementsByName !== "undefined" ) {
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var ret = [], results = context.getElementsByName(match[1]);
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for ( var i = 0, l = results.length; i < l; i++ ) {
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if ( results[i].getAttribute("name") === match[1] ) {
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ret.push( results[i] );
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}
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}
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return ret.length === 0 ? null : ret;
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}
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},
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TAG: function(match, context){
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return context.getElementsByTagName(match[1]);
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}
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},
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preFilter: {
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CLASS: function(match, curLoop, inplace, result, not, isXML){
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match = " " + match[1].replace(/\\/g, "") + " ";
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if ( isXML ) {
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return match;
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}
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for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
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if ( elem ) {
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if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n]/g, " ").indexOf(match) >= 0) ) {
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if ( !inplace ) {
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result.push( elem );
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}
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} else if ( inplace ) {
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curLoop[i] = false;
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}
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}
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}
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return false;
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},
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ID: function(match){
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return match[1].replace(/\\/g, "");
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},
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TAG: function(match, curLoop){
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return match[1].toLowerCase();
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},
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CHILD: function(match){
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if ( match[1] === "nth" ) {
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// parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
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var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
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match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" ||
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!/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
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// calculate the numbers (first)n+(last) including if they are negative
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match[2] = (test[1] + (test[2] || 1)) - 0;
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match[3] = test[3] - 0;
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}
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// TODO: Move to normal caching system
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match[0] = done++;
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return match;
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},
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ATTR: function(match, curLoop, inplace, result, not, isXML){
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var name = match[1].replace(/\\/g, "");
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if ( !isXML && Expr.attrMap[name] ) {
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match[1] = Expr.attrMap[name];
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}
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if ( match[2] === "~=" ) {
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match[4] = " " + match[4] + " ";
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}
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return match;
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},
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PSEUDO: function(match, curLoop, inplace, result, not){
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if ( match[1] === "not" ) {
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// If we're dealing with a complex expression, or a simple one
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if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
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match[3] = Sizzle(match[3], null, null, curLoop);
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} else {
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var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not);
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if ( !inplace ) {
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result.push.apply( result, ret );
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}
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return false;
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}
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} else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
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return true;
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}
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return match;
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},
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POS: function(match){
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match.unshift( true );
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return match;
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}
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},
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filters: {
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enabled: function(elem){
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return elem.disabled === false && elem.type !== "hidden";
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},
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disabled: function(elem){
|
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return elem.disabled === true;
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},
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checked: function(elem){
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return elem.checked === true;
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},
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selected: function(elem){
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// Accessing this property makes selected-by-default
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// options in Safari work properly
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elem.parentNode.selectedIndex;
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return elem.selected === true;
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},
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parent: function(elem){
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return !!elem.firstChild;
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},
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empty: function(elem){
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return !elem.firstChild;
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},
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has: function(elem, i, match){
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return !!Sizzle( match[3], elem ).length;
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},
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header: function(elem){
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return (/h\d/i).test( elem.nodeName );
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},
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text: function(elem){
|
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return "text" === elem.type;
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},
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|
radio: function(elem){
|
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return "radio" === elem.type;
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},
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|
checkbox: function(elem){
|
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return "checkbox" === elem.type;
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},
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|
file: function(elem){
|
|
return "file" === elem.type;
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},
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password: function(elem){
|
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return "password" === elem.type;
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},
|
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submit: function(elem){
|
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return "submit" === elem.type;
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},
|
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image: function(elem){
|
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return "image" === elem.type;
|
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},
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|
reset: function(elem){
|
|
return "reset" === elem.type;
|
|
},
|
|
button: function(elem){
|
|
return "button" === elem.type || elem.nodeName.toLowerCase() === "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: {
|
|
PSEUDO: function(elem, match, i, array){
|
|
var name = match[1], filter = Expr.filters[ name ];
|
|
|
|
if ( filter ) {
|
|
return filter( elem, i, match, array );
|
|
} else if ( name === "contains" ) {
|
|
return (elem.textContent || elem.innerText || Sizzle.getText([ elem ]) || "").indexOf(match[3]) >= 0;
|
|
} else if ( name === "not" ) {
|
|
var not = match[3];
|
|
|
|
for ( var j = 0, l = not.length; j < l; j++ ) {
|
|
if ( not[j] === elem ) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
} else {
|
|
Sizzle.error( "Syntax error, unrecognized expression: " + name );
|
|
}
|
|
},
|
|
CHILD: function(elem, match){
|
|
var type = match[1], node = elem;
|
|
switch (type) {
|
|
case 'only':
|
|
case 'first':
|
|
while ( (node = node.previousSibling) ) {
|
|
if ( node.nodeType === 1 ) {
|
|
return false;
|
|
}
|
|
}
|
|
if ( type === "first" ) {
|
|
return true;
|
|
}
|
|
node = elem;
|
|
case 'last':
|
|
while ( (node = node.nextSibling) ) {
|
|
if ( node.nodeType === 1 ) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
case 'nth':
|
|
var first = match[2], last = match[3];
|
|
|
|
if ( first === 1 && last === 0 ) {
|
|
return true;
|
|
}
|
|
|
|
var doneName = match[0],
|
|
parent = elem.parentNode;
|
|
|
|
if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) {
|
|
var count = 0;
|
|
for ( node = parent.firstChild; node; node = node.nextSibling ) {
|
|
if ( node.nodeType === 1 ) {
|
|
node.nodeIndex = ++count;
|
|
}
|
|
}
|
|
parent.sizcache = doneName;
|
|
}
|
|
|
|
var diff = elem.nodeIndex - last;
|
|
if ( first === 0 ) {
|
|
return diff === 0;
|
|
} else {
|
|
return ( diff % first === 0 && diff / first >= 0 );
|
|
}
|
|
}
|
|
},
|
|
ID: function(elem, match){
|
|
return elem.nodeType === 1 && elem.getAttribute("id") === match;
|
|
},
|
|
TAG: function(elem, match){
|
|
return (match === "*" && elem.nodeType === 1) || elem.nodeName.toLowerCase() === match;
|
|
},
|
|
CLASS: function(elem, match){
|
|
return (" " + (elem.className || elem.getAttribute("class")) + " ")
|
|
.indexOf( match ) > -1;
|
|
},
|
|
ATTR: function(elem, match){
|
|
var name = match[1],
|
|
result = Expr.attrHandle[ name ] ?
|
|
Expr.attrHandle[ name ]( elem ) :
|
|
elem[ name ] != null ?
|
|
elem[ name ] :
|
|
elem.getAttribute( name ),
|
|
value = result + "",
|
|
type = match[2],
|
|
check = match[4];
|
|
|
|
return result == null ?
|
|
type === "!=" :
|
|
type === "=" ?
|
|
value === check :
|
|
type === "*=" ?
|
|
value.indexOf(check) >= 0 :
|
|
type === "~=" ?
|
|
(" " + value + " ").indexOf(check) >= 0 :
|
|
!check ?
|
|
value && result !== false :
|
|
type === "!=" ?
|
|
value !== check :
|
|
type === "^=" ?
|
|
value.indexOf(check) === 0 :
|
|
type === "$=" ?
|
|
value.substr(value.length - check.length) === check :
|
|
type === "|=" ?
|
|
value === check || value.substr(0, check.length + 1) === check + "-" :
|
|
false;
|
|
},
|
|
POS: function(elem, match, i, array){
|
|
var name = match[2], filter = Expr.setFilters[ name ];
|
|
|
|
if ( filter ) {
|
|
return filter( elem, i, match, array );
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
var origPOS = Expr.match.POS,
|
|
fescape = function(all, num){
|
|
return "\\" + (num - 0 + 1);
|
|
};
|
|
|
|
for ( var type in Expr.match ) {
|
|
Expr.match[ type ] = new RegExp( Expr.match[ type ].source + (/(?![^\[]*\])(?![^\(]*\))/.source) );
|
|
Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + Expr.match[ type ].source.replace(/\\(\d+)/g, fescape) );
|
|
}
|
|
|
|
var makeArray = function(array, results) {
|
|
array = Array.prototype.slice.call( array, 0 );
|
|
|
|
if ( results ) {
|
|
results.push.apply( results, array );
|
|
return results;
|
|
}
|
|
|
|
return array;
|
|
};
|
|
|
|
// Perform a simple check to determine if the browser is capable of
|
|
// converting a NodeList to an array using builtin methods.
|
|
// Also verifies that the returned array holds DOM nodes
|
|
// (which is not the case in the Blackberry browser)
|
|
try {
|
|
Array.prototype.slice.call( document.documentElement.childNodes, 0 )[0].nodeType;
|
|
|
|
// Provide a fallback method if it does not work
|
|
} catch(e){
|
|
makeArray = function(array, results) {
|
|
var ret = results || [], i = 0;
|
|
|
|
if ( toString.call(array) === "[object Array]" ) {
|
|
Array.prototype.push.apply( ret, array );
|
|
} else {
|
|
if ( typeof array.length === "number" ) {
|
|
for ( var l = array.length; i < l; i++ ) {
|
|
ret.push( array[i] );
|
|
}
|
|
} else {
|
|
for ( ; array[i]; i++ ) {
|
|
ret.push( array[i] );
|
|
}
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
}
|
|
|
|
var sortOrder;
|
|
|
|
if ( document.documentElement.compareDocumentPosition ) {
|
|
sortOrder = function( a, b ) {
|
|
if ( !a.compareDocumentPosition || !b.compareDocumentPosition ) {
|
|
if ( a == b ) {
|
|
hasDuplicate = true;
|
|
}
|
|
return a.compareDocumentPosition ? -1 : 1;
|
|
}
|
|
|
|
var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1;
|
|
if ( ret === 0 ) {
|
|
hasDuplicate = true;
|
|
}
|
|
return ret;
|
|
};
|
|
} else if ( "sourceIndex" in document.documentElement ) {
|
|
sortOrder = function( a, b ) {
|
|
if ( !a.sourceIndex || !b.sourceIndex ) {
|
|
if ( a == b ) {
|
|
hasDuplicate = true;
|
|
}
|
|
return a.sourceIndex ? -1 : 1;
|
|
}
|
|
|
|
var ret = a.sourceIndex - b.sourceIndex;
|
|
if ( ret === 0 ) {
|
|
hasDuplicate = true;
|
|
}
|
|
return ret;
|
|
};
|
|
} else if ( document.createRange ) {
|
|
sortOrder = function( a, b ) {
|
|
if ( !a.ownerDocument || !b.ownerDocument ) {
|
|
if ( a == b ) {
|
|
hasDuplicate = true;
|
|
}
|
|
return a.ownerDocument ? -1 : 1;
|
|
}
|
|
|
|
var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange();
|
|
aRange.setStart(a, 0);
|
|
aRange.setEnd(a, 0);
|
|
bRange.setStart(b, 0);
|
|
bRange.setEnd(b, 0);
|
|
var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange);
|
|
if ( ret === 0 ) {
|
|
hasDuplicate = true;
|
|
}
|
|
return ret;
|
|
};
|
|
}
|
|
|
|
// Utility function for retreiving the text value of an array of DOM nodes
|
|
Sizzle.getText = function( elems ) {
|
|
var ret = "", elem;
|
|
|
|
for ( var i = 0; elems[i]; i++ ) {
|
|
elem = elems[i];
|
|
|
|
// Get the text from text nodes and CDATA nodes
|
|
if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
|
|
ret += elem.nodeValue;
|
|
|
|
// Traverse everything else, except comment nodes
|
|
} else if ( elem.nodeType !== 8 ) {
|
|
ret += Sizzle.getText( elem.childNodes );
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
// Check to see if the browser returns elements by name when
|
|
// querying by getElementById (and provide a workaround)
|
|
(function(){
|
|
// We're going to inject a fake input element with a specified name
|
|
var form = document.createElement("div"),
|
|
id = "script" + (new Date()).getTime();
|
|
form.innerHTML = "<a name='" + id + "'/>";
|
|
|
|
// Inject it into the root element, check its status, and remove it quickly
|
|
var root = document.documentElement;
|
|
root.insertBefore( form, root.firstChild );
|
|
|
|
// The workaround has to do additional checks after a getElementById
|
|
// Which slows things down for other browsers (hence the branching)
|
|
if ( document.getElementById( id ) ) {
|
|
Expr.find.ID = function(match, context, isXML){
|
|
if ( typeof context.getElementById !== "undefined" && !isXML ) {
|
|
var m = context.getElementById(match[1]);
|
|
return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : [];
|
|
}
|
|
};
|
|
|
|
Expr.filter.ID = function(elem, match){
|
|
var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id");
|
|
return elem.nodeType === 1 && node && node.nodeValue === match;
|
|
};
|
|
}
|
|
|
|
root.removeChild( form );
|
|
root = form = null; // release memory in IE
|
|
})();
|
|
|
|
(function(){
|
|
// Check to see if the browser returns only elements
|
|
// when doing getElementsByTagName("*")
|
|
|
|
// Create a fake element
|
|
var div = document.createElement("div");
|
|
div.appendChild( document.createComment("") );
|
|
|
|
// Make sure no comments are found
|
|
if ( div.getElementsByTagName("*").length > 0 ) {
|
|
Expr.find.TAG = function(match, context){
|
|
var results = context.getElementsByTagName(match[1]);
|
|
|
|
// Filter out possible comments
|
|
if ( match[1] === "*" ) {
|
|
var tmp = [];
|
|
|
|
for ( var i = 0; results[i]; i++ ) {
|
|
if ( results[i].nodeType === 1 ) {
|
|
tmp.push( results[i] );
|
|
}
|
|
}
|
|
|
|
results = tmp;
|
|
}
|
|
|
|
return results;
|
|
};
|
|
}
|
|
|
|
// Check to see if an attribute returns normalized href attributes
|
|
div.innerHTML = "<a href='#'></a>";
|
|
if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" &&
|
|
div.firstChild.getAttribute("href") !== "#" ) {
|
|
Expr.attrHandle.href = function(elem){
|
|
return elem.getAttribute("href", 2);
|
|
};
|
|
}
|
|
|
|
div = null; // release memory in IE
|
|
})();
|
|
|
|
if ( document.querySelectorAll ) {
|
|
(function(){
|
|
var oldSizzle = Sizzle, div = document.createElement("div");
|
|
div.innerHTML = "<p class='TEST'></p>";
|
|
|
|
// Safari can't handle uppercase or unicode characters when
|
|
// in quirks mode.
|
|
if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) {
|
|
return;
|
|
}
|
|
|
|
Sizzle = function(query, context, extra, seed){
|
|
context = context || document;
|
|
|
|
// Only use querySelectorAll on non-XML documents
|
|
// (ID selectors don't work in non-HTML documents)
|
|
if ( !seed && context.nodeType === 9 && !Sizzle.isXML(context) ) {
|
|
try {
|
|
return makeArray( context.querySelectorAll(query), extra );
|
|
} catch(e){}
|
|
}
|
|
|
|
return oldSizzle(query, context, extra, seed);
|
|
};
|
|
|
|
for ( var prop in oldSizzle ) {
|
|
Sizzle[ prop ] = oldSizzle[ prop ];
|
|
}
|
|
|
|
div = null; // release memory in IE
|
|
})();
|
|
}
|
|
|
|
(function(){
|
|
var div = document.createElement("div");
|
|
|
|
div.innerHTML = "<div class='test e'></div><div class='test'></div>";
|
|
|
|
// Opera can't find a second classname (in 9.6)
|
|
// Also, make sure that getElementsByClassName actually exists
|
|
if ( !div.getElementsByClassName || div.getElementsByClassName("e").length === 0 ) {
|
|
return;
|
|
}
|
|
|
|
// Safari caches class attributes, doesn't catch changes (in 3.2)
|
|
div.lastChild.className = "e";
|
|
|
|
if ( div.getElementsByClassName("e").length === 1 ) {
|
|
return;
|
|
}
|
|
|
|
Expr.order.splice(1, 0, "CLASS");
|
|
Expr.find.CLASS = function(match, context, isXML) {
|
|
if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) {
|
|
return context.getElementsByClassName(match[1]);
|
|
}
|
|
};
|
|
|
|
div = null; // release memory in IE
|
|
})();
|
|
|
|
function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
|
|
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
|
|
var elem = checkSet[i];
|
|
if ( elem ) {
|
|
elem = elem[dir];
|
|
var match = false;
|
|
|
|
while ( elem ) {
|
|
if ( elem.sizcache === doneName ) {
|
|
match = checkSet[elem.sizset];
|
|
break;
|
|
}
|
|
|
|
if ( elem.nodeType === 1 && !isXML ){
|
|
elem.sizcache = doneName;
|
|
elem.sizset = i;
|
|
}
|
|
|
|
if ( elem.nodeName.toLowerCase() === cur ) {
|
|
match = elem;
|
|
break;
|
|
}
|
|
|
|
elem = elem[dir];
|
|
}
|
|
|
|
checkSet[i] = match;
|
|
}
|
|
}
|
|
}
|
|
|
|
function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) {
|
|
for ( var i = 0, l = checkSet.length; i < l; i++ ) {
|
|
var elem = checkSet[i];
|
|
if ( elem ) {
|
|
elem = elem[dir];
|
|
var match = false;
|
|
|
|
while ( elem ) {
|
|
if ( elem.sizcache === doneName ) {
|
|
match = checkSet[elem.sizset];
|
|
break;
|
|
}
|
|
|
|
if ( elem.nodeType === 1 ) {
|
|
if ( !isXML ) {
|
|
elem.sizcache = doneName;
|
|
elem.sizset = i;
|
|
}
|
|
if ( typeof cur !== "string" ) {
|
|
if ( elem === cur ) {
|
|
match = true;
|
|
break;
|
|
}
|
|
|
|
} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) {
|
|
match = elem;
|
|
break;
|
|
}
|
|
}
|
|
|
|
elem = elem[dir];
|
|
}
|
|
|
|
checkSet[i] = match;
|
|
}
|
|
}
|
|
}
|
|
|
|
Sizzle.contains = document.compareDocumentPosition ? function(a, b){
|
|
return !!(a.compareDocumentPosition(b) & 16);
|
|
} : function(a, b){
|
|
return a !== b && (a.contains ? a.contains(b) : true);
|
|
};
|
|
|
|
Sizzle.isXML = function(elem){
|
|
// documentElement is verified for cases where it doesn't yet exist
|
|
// (such as loading iframes in IE - #4833)
|
|
var documentElement = (elem ? elem.ownerDocument || elem : 0).documentElement;
|
|
return documentElement ? documentElement.nodeName !== "HTML" : false;
|
|
};
|
|
|
|
var posProcess = function(selector, context){
|
|
var tmpSet = [], later = "", match,
|
|
root = context.nodeType ? [context] : context;
|
|
|
|
// Position selectors must be done after the filter
|
|
// And so must :not(positional) so we move all PSEUDOs to the end
|
|
while ( (match = Expr.match.PSEUDO.exec( selector )) ) {
|
|
later += match[0];
|
|
selector = selector.replace( Expr.match.PSEUDO, "" );
|
|
}
|
|
|
|
selector = Expr.relative[selector] ? selector + "*" : selector;
|
|
|
|
for ( var i = 0, l = root.length; i < l; i++ ) {
|
|
Sizzle( selector, root[i], tmpSet );
|
|
}
|
|
|
|
return Sizzle.filter( later, tmpSet );
|
|
};
|
|
|
|
// EXPOSE
|
|
|
|
window.Sizzle = Sizzle;
|
|
|
|
})();
|