com.sitecake.commons.client.util.impl.SizzleDomSelector.java Source code

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Here is the source code for com.sitecake.commons.client.util.impl.SizzleDomSelector.java

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package com.sitecake.commons.client.util.impl;

import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.JsArray;
import com.google.gwt.dom.client.Document;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Node;
import com.sitecake.commons.client.util.DomSelector;

public class SizzleDomSelector implements DomSelector {

    /* (non-Javadoc)
    * @see com.sitecake.contentmanager.client.util.DomSelector#select(java.lang.String)
    */
    public JsArray<Element> select(String selector) {
        return select(selector, Document.get());
    }

    /* (non-Javadoc)
    * @see com.sitecake.contentmanager.client.util.DomSelector#select(java.lang.String, com.google.gwt.dom.client.Node)
    */
    public JsArray<Element> select(String selector, Node context) {
        JsArray<Element> results = JavaScriptObject.createArray().cast();
        return select(selector, context, results);
    }

    private native JsArray<Element> select(String selector, Node context, JsArray<Element> results) /*-{
                                                                                                    return $wnd.scSizzle(selector, context, results);
                                                                                                    }-*/;

    public SizzleDomSelector() {
        injectSizzle();
    }

    /*!
     * SizzleDomSelector CSS Selector Engine - v1.0
     *  Copyright 2009, The Dojo Foundation
     *  Released under the MIT, BSD, and GPL Licenses.
     *  More information: http://sizzlejs.com/
     */
    private native void injectSizzle()/*-{
                                          
                                      (function(document, window){
                                          
                                      var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
                                      done = 0,
                                      toString = Object.prototype.toString,
                                      hasDuplicate = false,
                                      baseHasDuplicate = true;
                                          
                                      // Here we check if the JavaScript engine is using some sort of
                                      // optimization where it does not always call our comparision
                                      // function. If that is the case, discard the hasDuplicate value.
                                      //   Thus far that includes Google Chrome.
                                      [0, 0].sort(function(){
                                      baseHasDuplicate = false;
                                      return 0;
                                      });
                                          
                                      var SizzleDomSelector = function(selector, context, results, seed) {
                                      results = results || [];
                                      var origContext = context = context || document;
                                          
                                      if ( context.nodeType !== 1 && context.nodeType !== 9 ) {
                                      return [];
                                      }
                                          
                                      if ( !selector || typeof selector !== "string" ) {
                                      return results;
                                      }
                                          
                                      var parts = [], m, set, checkSet, extra, prune = true, contextXML = isXML(context),
                                      soFar = selector;
                                          
                                      // Reset the position of the chunker regexp (start from head)
                                      while ( (chunker.exec(""), m = chunker.exec(soFar)) !== null ) {
                                      soFar = m[3];
                                          
                                      parts.push( m[1] );
                                          
                                      if ( m[2] ) {
                                      extra = m[3];
                                      break;
                                      }
                                      }
                                          
                                      if ( parts.length > 1 && origPOS.exec( selector ) ) {
                                      if ( parts.length === 2 && Expr.relative[ parts[0] ] ) {
                                      set = posProcess( parts[0] + parts[1], context );
                                      } else {
                                      set = Expr.relative[ parts[0] ] ?
                                      [ context ] :
                                      SizzleDomSelector( parts.shift(), context );
                                          
                                      while ( parts.length ) {
                                      selector = parts.shift();
                                          
                                      if ( Expr.relative[ selector ] ) {
                                      selector += parts.shift();
                                      }
                                          
                                      set = posProcess( selector, set );
                                      }
                                      }
                                      } else {
                                      // Take a shortcut and set the context if the root selector is an ID
                                      // (but not if it'll be faster if the inner selector is an ID)
                                      if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML &&
                                      Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) {
                                      var ret = SizzleDomSelector.find( parts.shift(), context, contextXML );
                                      context = ret.expr ? SizzleDomSelector.filter( ret.expr, ret.set )[0] : ret.set[0];
                                      }
                                          
                                      if ( context ) {
                                      var ret = seed ?
                                      { expr: parts.pop(), set: makeArray(seed) } :
                                      SizzleDomSelector.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML );
                                      set = ret.expr ? SizzleDomSelector.filter( ret.expr, ret.set ) : ret.set;
                                          
                                      if ( parts.length > 0 ) {
                                      checkSet = makeArray(set);
                                      } else {
                                      prune = false;
                                      }
                                          
                                      while ( parts.length ) {
                                      var cur = parts.pop(), pop = cur;
                                          
                                      if ( !Expr.relative[ cur ] ) {
                                      cur = "";
                                      } else {
                                      pop = parts.pop();
                                      }
                                          
                                      if ( pop == null ) {
                                      pop = context;
                                      }
                                          
                                      Expr.relative[ cur ]( checkSet, pop, contextXML );
                                      }
                                      } else {
                                      checkSet = parts = [];
                                      }
                                      }
                                          
                                      if ( !checkSet ) {
                                      checkSet = set;
                                      }
                                          
                                      if ( !checkSet ) {
                                      SizzleDomSelector.error( cur || selector );
                                      }
                                          
                                      if ( toString.call(checkSet) === "[object Array]" ) {
                                      if ( !prune ) {
                                      results.push.apply( results, checkSet );
                                      } else if ( context && context.nodeType === 1 ) {
                                      for ( var i = 0; checkSet[i] != null; i++ ) {
                                      if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) {
                                      results.push( set[i] );
                                      }
                                      }
                                      } else {
                                      for ( var i = 0; checkSet[i] != null; i++ ) {
                                      if ( checkSet[i] && checkSet[i].nodeType === 1 ) {
                                      results.push( set[i] );
                                      }
                                      }
                                      }
                                      } else {
                                      makeArray( checkSet, results );
                                      }
                                          
                                      if ( extra ) {
                                      SizzleDomSelector( extra, origContext, results, seed );
                                      SizzleDomSelector.uniqueSort( results );
                                      }
                                          
                                      return results;
                                      };
                                          
                                      SizzleDomSelector.uniqueSort = function(results){
                                      if ( sortOrder ) {
                                      hasDuplicate = baseHasDuplicate;
                                      results.sort(sortOrder);
                                          
                                      if ( hasDuplicate ) {
                                      for ( var i = 1; i < results.length; i++ ) {
                                      if ( results[i] === results[i-1] ) {
                                      results.splice(i--, 1);
                                      }
                                      }
                                      }
                                      }
                                          
                                      return results;
                                      };
                                          
                                      SizzleDomSelector.matches = function(expr, set){
                                      return SizzleDomSelector(expr, null, null, set);
                                      };
                                          
                                      SizzleDomSelector.find = function(expr, context, isXML){
                                      var set, match;
                                          
                                      if ( !expr ) {
                                      return [];
                                      }
                                          
                                      for ( var i = 0, l = Expr.order.length; i < l; i++ ) {
                                      var type = Expr.order[i], match;
                                          
                                      if ( (match = Expr.leftMatch[ type ].exec( expr )) ) {
                                      var left = match[1];
                                      match.splice(1,1);
                                          
                                      if ( left.substr( left.length - 1 ) !== "\\" ) {
                                      match[1] = (match[1] || "").replace(/\\/g, "");
                                      set = Expr.find[ type ]( match, context, isXML );
                                      if ( set != null ) {
                                      expr = expr.replace( Expr.match[ type ], "" );
                                      break;
                                      }
                                      }
                                      }
                                      }
                                          
                                      if ( !set ) {
                                      set = context.getElementsByTagName("*");
                                      }
                                          
                                      return {set: set, expr: expr};
                                      };
                                          
                                      SizzleDomSelector.filter = function(expr, set, inplace, not){
                                      var old = expr, result = [], curLoop = set, match, anyFound,
                                      isXMLFilter = set && set[0] && isXML(set[0]);
                                          
                                      while ( expr && set.length ) {
                                      for ( var type in Expr.filter ) {
                                      if ( (match = Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) {
                                      var filter = Expr.filter[ type ], found, item, left = match[1];
                                      anyFound = false;
                                          
                                      match.splice(1,1);
                                          
                                      if ( left.substr( left.length - 1 ) === "\\" ) {
                                      continue;
                                      }
                                          
                                      if ( curLoop === result ) {
                                      result = [];
                                      }
                                          
                                      if ( Expr.preFilter[ type ] ) {
                                      match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
                                          
                                      if ( !match ) {
                                      anyFound = found = true;
                                      } else if ( match === true ) {
                                      continue;
                                      }
                                      }
                                          
                                      if ( match ) {
                                      for ( var i = 0; (item = curLoop[i]) != null; i++ ) {
                                      if ( item ) {
                                      found = filter( item, match, i, curLoop );
                                      var pass = not ^ !!found;
                                          
                                      if ( inplace && found != null ) {
                                      if ( pass ) {
                                      anyFound = true;
                                      } else {
                                      curLoop[i] = false;
                                      }
                                      } else if ( pass ) {
                                      result.push( item );
                                      anyFound = true;
                                      }
                                      }
                                      }
                                      }
                                          
                                      if ( found !== undefined ) {
                                      if ( !inplace ) {
                                      curLoop = result;
                                      }
                                          
                                      expr = expr.replace( Expr.match[ type ], "" );
                                          
                                      if ( !anyFound ) {
                                      return [];
                                      }
                                          
                                      break;
                                      }
                                      }
                                      }
                                          
                                      // Improper expression
                                      if ( expr === old ) {
                                      if ( anyFound == null ) {
                                      SizzleDomSelector.error( expr );
                                      } else {
                                      break;
                                      }
                                      }
                                          
                                      old = expr;
                                      }
                                          
                                      return curLoop;
                                      };
                                          
                                      SizzleDomSelector.error = function( msg ) {
                                      throw "Syntax error, unrecognized expression: " + msg;
                                      };
                                          
                                      var Expr = SizzleDomSelector.selectors = {
                                      order: [ "ID", "NAME", "TAG" ],
                                      match: {
                                      ID: /#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
                                      CLASS: /\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
                                      NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
                                      ATTR: /\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
                                      TAG: /^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
                                      CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
                                      POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
                                      PSEUDO: /:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]?)((?:\([^\)]+\)|[^\(\)]*)+)\2\))?/
                                      },
                                      leftMatch: {},
                                      attrMap: {
                                      "class": "className",
                                      "for": "htmlFor"
                                      },
                                      attrHandle: {
                                      href: function(elem){
                                      return elem.getAttribute("href");
                                      }
                                      },
                                      relative: {
                                      "+": function(checkSet, part){
                                      var isPartStr = typeof part === "string",
                                      isTag = isPartStr && !/\W/.test(part),
                                      isPartStrNotTag = isPartStr && !isTag;
                                          
                                      if ( isTag ) {
                                      part = part.toLowerCase();
                                      }
                                          
                                      for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) {
                                      if ( (elem = checkSet[i]) ) {
                                      while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
                                          
                                      checkSet[i] = isPartStrNotTag || elem && elem.nodeName.toLowerCase() === part ?
                                      elem || false :
                                      elem === part;
                                      }
                                      }
                                          
                                      if ( isPartStrNotTag ) {
                                      SizzleDomSelector.filter( part, checkSet, true );
                                      }
                                      },
                                      ">": function(checkSet, part){
                                      var isPartStr = typeof part === "string";
                                          
                                      if ( isPartStr && !/\W/.test(part) ) {
                                      part = part.toLowerCase();
                                          
                                      for ( var i = 0, l = checkSet.length; i < l; i++ ) {
                                      var elem = checkSet[i];
                                      if ( elem ) {
                                      var parent = elem.parentNode;
                                      checkSet[i] = parent.nodeName.toLowerCase() === part ? parent : false;
                                      }
                                      }
                                      } else {
                                      for ( var i = 0, l = checkSet.length; i < l; i++ ) {
                                      var elem = checkSet[i];
                                      if ( elem ) {
                                      checkSet[i] = isPartStr ?
                                      elem.parentNode :
                                      elem.parentNode === part;
                                      }
                                      }
                                          
                                      if ( isPartStr ) {
                                      SizzleDomSelector.filter( part, checkSet, true );
                                      }
                                      }
                                      },
                                      "": function(checkSet, part, isXML){
                                      var doneName = done++, checkFn = dirCheck;
                                          
                                      if ( typeof part === "string" && !/\W/.test(part) ) {
                                      var nodeCheck = part = part.toLowerCase();
                                      checkFn = dirNodeCheck;
                                      }
                                          
                                      checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML);
                                      },
                                      "~": function(checkSet, part, isXML){
                                      var doneName = done++, checkFn = dirCheck;
                                          
                                      if ( typeof part === "string" && !/\W/.test(part) ) {
                                      var nodeCheck = part = part.toLowerCase();
                                      checkFn = dirNodeCheck;
                                      }
                                          
                                      checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML);
                                      }
                                      },
                                      find: {
                                      ID: function(match, context, isXML){
                                      if ( typeof context.getElementById !== "undefined" && !isXML ) {
                                      var m = context.getElementById(match[1]);
                                      return m ? [m] : [];
                                      }
                                      },
                                      NAME: function(match, context){
                                      if ( typeof context.getElementsByName !== "undefined" ) {
                                      var ret = [], results = context.getElementsByName(match[1]);
                                          
                                      for ( var i = 0, l = results.length; i < l; i++ ) {
                                      if ( results[i].getAttribute("name") === match[1] ) {
                                      ret.push( results[i] );
                                      }
                                      }
                                          
                                      return ret.length === 0 ? null : ret;
                                      }
                                      },
                                      TAG: function(match, context){
                                      return context.getElementsByTagName(match[1]);
                                      }
                                      },
                                      preFilter: {
                                      CLASS: function(match, curLoop, inplace, result, not, isXML){
                                      match = " " + match[1].replace(/\\/g, "") + " ";
                                          
                                      if ( isXML ) {
                                      return match;
                                      }
                                          
                                      for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) {
                                      if ( elem ) {
                                      if ( not ^ (elem.className && (" " + elem.className + " ").replace(/[\t\n]/g, " ").indexOf(match) >= 0) ) {
                                      if ( !inplace ) {
                                      result.push( elem );
                                      }
                                      } else if ( inplace ) {
                                      curLoop[i] = false;
                                      }
                                      }
                                      }
                                          
                                      return false;
                                      },
                                      ID: function(match){
                                      return match[1].replace(/\\/g, "");
                                      },
                                      TAG: function(match, curLoop){
                                      return match[1].toLowerCase();
                                      },
                                      CHILD: function(match){
                                      if ( match[1] === "nth" ) {
                                      // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6'
                                      var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec(
                                      match[2] === "even" && "2n" || match[2] === "odd" && "2n+1" ||
                                      !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
                                          
                                      // calculate the numbers (first)n+(last) including if they are negative
                                      match[2] = (test[1] + (test[2] || 1)) - 0;
                                      match[3] = test[3] - 0;
                                      }
                                          
                                      // TODO: Move to normal caching system
                                      match[0] = done++;
                                          
                                      return match;
                                      },
                                      ATTR: function(match, curLoop, inplace, result, not, isXML){
                                      var name = match[1].replace(/\\/g, "");
                                          
                                      if ( !isXML && Expr.attrMap[name] ) {
                                      match[1] = Expr.attrMap[name];
                                      }
                                          
                                      if ( match[2] === "~=" ) {
                                      match[4] = " " + match[4] + " ";
                                      }
                                          
                                      return match;
                                      },
                                      PSEUDO: function(match, curLoop, inplace, result, not){
                                      if ( match[1] === "not" ) {
                                      // If we're dealing with a complex expression, or a simple one
                                      if ( ( chunker.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
                                      match[3] = SizzleDomSelector(match[3], null, null, curLoop);
                                      } else {
                                      var ret = SizzleDomSelector.filter(match[3], curLoop, inplace, true ^ not);
                                      if ( !inplace ) {
                                      result.push.apply( result, ret );
                                      }
                                      return false;
                                      }
                                      } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) {
                                      return 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 !!SizzleDomSelector( 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.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 || getText([ elem ]) || "").indexOf(match[3]) >= 0;
                                      } else if ( name === "not" ) {
                                      var not = match[3];
                                          
                                      for ( var i = 0, l = not.length; i < l; i++ ) {
                                      if ( not[i] === elem ) {
                                      return false;
                                      }
                                      }
                                          
                                      return true;
                                      } else {
                                      SizzleDomSelector.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;
                                          
                                      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, function(all, num){
                                      return "\\" + (num - 0 + 1);
                                      }));
                                      }
                                          
                                      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.
                                      try {
                                      Array.prototype.slice.call( document.documentElement.childNodes, 0 );
                                          
                                      // Provide a fallback method if it does not work
                                      } catch(e){
                                      makeArray = function(array, results) {
                                      var ret = results || [];
                                          
                                      if ( toString.call(array) === "[object Array]" ) {
                                      Array.prototype.push.apply( ret, array );
                                      } else {
                                      if ( typeof array.length === "number" ) {
                                      for ( var i = 0, l = array.length; i < l; i++ ) {
                                      ret.push( array[i] );
                                      }
                                      } else {
                                      for ( var i = 0; 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
                                      function getText( 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 += 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 = SizzleDomSelector, 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;
                                      }
                                          
                                      SizzleDomSelector = 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 && !isXML(context) ) {
                                      try {
                                      return makeArray( context.querySelectorAll(query), extra );
                                      } catch(e){}
                                      }
                                          
                                      return oldSizzle(query, context, extra, seed);
                                      };
                                          
                                      for ( var prop in oldSizzle ) {
                                      SizzleDomSelector[ 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 ( SizzleDomSelector.filter( cur, [elem] ).length > 0 ) {
                                      match = elem;
                                      break;
                                      }
                                      }
                                          
                                      elem = elem[dir];
                                      }
                                          
                                      checkSet[i] = match;
                                      }
                                      }
                                      }
                                          
                                      var contains = document.compareDocumentPosition ? function(a, b){
                                      return !!(a.compareDocumentPosition(b) & 16);
                                      } : function(a, b){
                                      return a !== b && (a.contains ? a.contains(b) : true);
                                      };
                                          
                                      var 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++ ) {
                                      SizzleDomSelector( selector, root[i], tmpSet );
                                      }
                                          
                                      return SizzleDomSelector.filter( later, tmpSet );
                                      };
                                          
                                      // EXPOSE
                                          
                                      window.scSizzle = SizzleDomSelector;
                                          
                                      })($doc, $wnd);   
                                      }-*/;
}