123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739 |
- /*
- * Copyright 2010 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
- package com.google.gwt.query.client.impl.research;
-
-
- import com.google.gwt.core.client.JavaScriptObject;
- import com.google.gwt.core.client.JsArray;
- import com.google.gwt.dom.client.Element;
- import com.google.gwt.dom.client.Node;
- import com.google.gwt.dom.client.NodeList;
- import com.google.gwt.query.client.GQUtils;
- import com.google.gwt.query.client.impl.SelectorEngineImpl;
-
- /**
- * Pure Javascript Selector Engine Gwt Implementation based on
- * Sizzle CSS Selector Engine v1.0.
- *
- * It has so many JSNI code, the idea is to make an entire implementation
- * using Java. Right now it performs worse than pure JSNI implementation
- *
- */
- public class SelectorEngineSizzleGwt extends SelectorEngineImpl {
-
- public static native boolean contains(Object a, Object b) /*-{
- var ret =
- document.compareDocumentPosition ?
- (a.compareDocumentPosition(b) & 16):
- a !== b && (a.contains ? a.contains(b) : true);
- return ret ? true : false;
- }-*/;
-
- public static native JavaScriptObject createExpr() /*-{
- var done = 0;
- $wnd.Expr = {
- 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\))?/,
- CHUNKER: /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g
- },
- 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 ) {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::filter(Ljava/lang/String;Lcom/google/gwt/core/client/JsArray;ZLjava/lang/Object;)( 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 ) {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::filter(Ljava/lang/String;Lcom/google/gwt/core/client/JsArray;ZLjava/lang/Object;)( part, checkSet, true );
- }
- }
- },
- "": function(checkSet, part){
- var doneName = done++;
- if ( typeof part === "string" && !/\W/.test(part) ) {
- checkFn = $wnd.dirNodeCheck;
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::dirNodeCheck(Ljava/lang/String;Ljava/lang/Object;ILjava/lang/Object;)("parentNode", part, doneName, checkSet);
- } else {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::dirCheck(Ljava/lang/String;Ljava/lang/Object;ILjava/lang/Object;)("parentNode", part, doneName, checkSet);
- }
- },
- "~": function(checkSet, part){
- var doneName = done++;
- if ( typeof part === "string" && !/\W/.test(part) ) {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::dirNodeCheck(Ljava/lang/String;Ljava/lang/Object;ILjava/lang/Object;)("previousSibling", part, doneName, checkSet);
- } else {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::dirCheck(Ljava/lang/String;Ljava/lang/Object;ILjava/lang/Object;)("previousSibling", part, doneName, checkSet);
- }
- }
- },
- find: {
- ID: function(match, context){
- if ( typeof context.getElementById !== "undefined") {
- 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){
- match = " " + match[1].replace(/\\/g, "") + " ";
- 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;
- }
- match[0] = done++;
- return match;
- },
- ATTR: function(match, curLoop, inplace, result, not){
- var name = match[1].replace(/\\/g, "");
- if ($wnd.Expr.attrMap[name] ) {
- match[1] = $wnd.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 ( ( $wnd.Expr.match.CHUNKER.exec(match[3]) || "" ).length > 1 || /^\w/.test(match[3]) ) {
- match[3] = @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::select(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;Lcom/google/gwt/core/client/JsArray;Lcom/google/gwt/core/client/JsArray;)(match[3], null, null, curLoop);
- } else {
- var ret = @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::filter(Ljava/lang/String;Lcom/google/gwt/core/client/JsArray;ZLjava/lang/Object;)(match[3], curLoop, inplace, true ^ not);
- if ( !inplace ) {
- result.push.apply( result, ret );
- }
- return false;
- }
- } else if ( $wnd.Expr.match.POS.test( match[0] ) || $wnd.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 !!@com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::select(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;Lcom/google/gwt/core/client/JsArray;Lcom/google/gwt/core/client/JsArray;)(match[3], elem, null, null).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 = $wnd.Expr.filters[ name ];
- if ( filter ) {
- return filter( elem, i, match, array );
- } else if ( name === "contains" ) {
- return (elem.textContent || elem.innerText || @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::getText(Ljava/lang/Object;)([ 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 {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::error(Ljava/lang/String;)("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 = $wnd.Expr.attrHandle[ name ] ?
- $wnd.Expr.attrHandle[ name ]( elem ) :
- elem[ name ] != null ?
- elem[ name ] :
- elem.getAttribute( name ),
- value = result + "",
- type = match[2],
- check = match[4];
- return result == null ?
- type === "!=" :
- type === "=" ?
- value === check :
- type === "*=" ?
- value.indexOf(check) >= 0 :
- type === "~=" ?
- (" " + value + " ").indexOf(check) >= 0 :
- !check ?
- value && result !== false :
- type === "!=" ?
- value !== check :
- type === "^=" ?
- value.indexOf(check) === 0 :
- type === "$=" ?
- 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 = $wnd.Expr.setFilters[ name ];
- if ( filter ) {
- return filter( elem, i, match, array );
- }
- }
- }
- };
-
- for ( var type in $wnd.Expr.match ) {
- $wnd.Expr.match[ type ] = new RegExp( $wnd.Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source );
- $wnd.Expr.leftMatch[ type ] = new RegExp( /(^(?:.|\r|\n)*?)/.source + $wnd.Expr.match[ type ].source.replace(/\\(\d+)/g, function(all, num){
- return "\\" + (num - 0 + 1);
- }));
- }
-
- return $wnd.Expr;
- }-*/;
-
- public static native void dirCheck(String dir, Object cur, int doneName, Object checkSet) /*-{
- 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 ) {
- elem.sizcache = doneName;
- elem.sizset = i;
- if ( typeof cur !== "string" ) {
- if ( elem === cur ) {
- match = true;
- break;
- }
- } else if ( @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::filter(Ljava/lang/String;Lcom/google/gwt/core/client/JsArray;ZLjava/lang/Object;)( cur, [elem], false ).length > 0 ) {
- match = elem;
- break;
- }
- }
- elem = elem[dir];
- }
- checkSet[i] = match;
- }
- }
- }-*/;
-
- public static native void dirNodeCheck(String dir, Object cur, int doneName, Object checkSet) /*-{
- 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){
- elem.sizcache = doneName;
- elem.sizset = i;
- }
- if ( elem.nodeName.toLowerCase() === cur ) {
- match = elem;
- break;
- }
- elem = elem[dir];
- }
- checkSet[i] = match;
- }
- }
- }-*/;
-
- public static void error(String msg) {
- throw new IllegalArgumentException("Syntax error, unrecognized expression: " + msg);
- }
-
- public static native JsArray<Node> filter(String expr, JsArray<Node> set, boolean inplace, Object not) /*-{
- var old = expr, result = [], curLoop = set, match, anyFound;
- while ( expr && set.length ) {
- for ( var type in $wnd.Expr.filter ) {
- if ( (match = $wnd.Expr.leftMatch[ type ].exec( expr )) != null && match[2] ) {
- var filter = $wnd.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 ( $wnd.Expr.preFilter[ type ] ) {
- match = $wnd.Expr.preFilter[ type ]( match, curLoop, inplace, result, not);
- 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( $wnd.Expr.match[ type ], "" );
- if ( !anyFound ) {
- return [];
- }
- break;
- }
- }
- }
- // Improper expression
- if ( expr === old ) {
- if ( anyFound == null ) {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::error(Ljava/lang/String;)(expr);
- } else {
- break;
- }
- }
- old = expr;
- }
- return curLoop;
- }-*/;
-
- public static native JavaScriptObject find(String expr, Node context) /*-{
- var set, match;
- if ( !expr ) {
- return [];
- }
- for ( var i = 0, l = $wnd.Expr.order.length; i < l; i++ ) {
- var type = $wnd.Expr.order[i], match;
-
- if ( (match = $wnd.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 = $wnd.Expr.find[ type ]( match, context);
- if ( set != null ) {
- expr = expr.replace( $wnd.Expr.match[ type ], "" );
- break;
- }
- }
- }
- }
- if ( !set ) {
- set = context.getElementsByTagName("*");
- }
- return {set: set, expr: expr};
- }-*/;
-
- public static native String getText(Object 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 += @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::getText(Ljava/lang/Object;)(elem.childNodes);
- }
- }
- return ret;
- }-*/;
-
- public static native JsArray<Node> makeArray(NodeList<Node> array, JsArray<Node> results) /*-{
- var ret = results || [];
- if ( Object.prototype.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;
- }-*/;
-
- public static native JsArray<Element> posProcess(String selector, Node 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 = $wnd.Expr.match.PSEUDO.exec( selector )) ) {
- later += match[0];
- selector = selector.replace($wnd.Expr.match.PSEUDO, "" );
- }
- selector = $wnd.Expr.relative[selector] ? selector + "*" : selector;
- for ( var i = 0, l = root.length; i < l; i++ ) {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::select(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;Lcom/google/gwt/core/client/JsArray;Lcom/google/gwt/core/client/JsArray;)(selector, root[i], tmpSet, null);
- }
- return @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::filter(Ljava/lang/String;Lcom/google/gwt/core/client/JsArray;ZLjava/lang/Object;)( later, tmpSet, false );
- }-*/;
-
- private static native JsArray<Element> select(String selector, Node context, JsArray<Element> results, JsArray<Element> seed) /*-{
- results = results || [];
- var origContext = context = context || document;
- var parts = [], m, set, checkSet, extra, prune = true, soFar = selector;
- // Reset the position of the chunker regexp (start from head)
- while ( ($wnd.Expr.match.CHUNKER.exec(""), m = $wnd.Expr.match.CHUNKER.exec(soFar)) !== null ) {
- soFar = m[3];
- parts.push( m[1] );
- if ( m[2] ) {
- extra = m[3];
- break;
- }
- }
- if ( parts.length > 1 && $wnd.Expr.match.POS.exec( selector ) ) {
- if ( parts.length === 2 && $wnd.Expr.relative[ parts[0] ] ) {
- set = @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::posProcess(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;)(parts[0] + parts[1], context);
- } else {
- set = $wnd.Expr.relative[ parts[0] ] ?
- [ context ] :
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::select(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;Lcom/google/gwt/core/client/JsArray;Lcom/google/gwt/core/client/JsArray;)(parts.shift(), context, null, null);
- while ( parts.length ) {
- selector = parts.shift();
- if ( $wnd.Expr.relative[ selector ] ) {
- selector += parts.shift();
- }
- set = @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::posProcess(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;)(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 &&
- $wnd.Expr.match.ID.test(parts[0]) && !$wnd.Expr.match.ID.test(parts[parts.length - 1]) ) {
- var ret = @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::find(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;)( parts.shift(), context);
- context = ret.expr ? @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::filter(Ljava/lang/String;Lcom/google/gwt/core/client/JsArray;ZLjava/lang/Object;)( ret.expr, ret.set, false )[0] : ret.set[0];
- }
- if ( context ) {
- var ret = seed ?
- { expr: parts.pop(), set: @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::makeArray(Lcom/google/gwt/dom/client/NodeList;Lcom/google/gwt/core/client/JsArray;)(seed, null) } :
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::find(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;)( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context);
- set = ret.expr ? @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::filter(Ljava/lang/String;Lcom/google/gwt/core/client/JsArray;ZLjava/lang/Object;)( ret.expr, ret.set, false ) : ret.set;
- if ( parts.length > 0 ) {
- checkSet = @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::makeArray(Lcom/google/gwt/dom/client/NodeList;Lcom/google/gwt/core/client/JsArray;)(set, null);
- } else {
- prune = false;
- }
- while ( parts.length ) {
- var cur = parts.pop(), pop = cur;
- if ( !$wnd.Expr.relative[ cur ] ) {
- cur = "";
- } else {
- pop = parts.pop();
- }
- if ( pop == null ) {
- pop = context;
- }
- $wnd.Expr.relative[ cur ]( checkSet, pop);
- }
- } else {
- checkSet = parts = [];
- }
- }
- if ( !checkSet ) {
- checkSet = set;
- }
- if ( !checkSet ) {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::error(Ljava/lang/String;)(cur || selector);
- }
- if ( Object.prototype.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 && @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::contains(Ljava/lang/Object;Ljava/lang/Object;)(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 {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::makeArray(Lcom/google/gwt/dom/client/NodeList;Lcom/google/gwt/core/client/JsArray;)(checkSet, results);
- }
- if ( extra ) {
- @com.google.gwt.query.client.impl.research.SelectorEngineSizzleGwt::select(Ljava/lang/String;Lcom/google/gwt/dom/client/Node;Lcom/google/gwt/core/client/JsArray;Lcom/google/gwt/core/client/JsArray;)(extra, origContext, results, seed);
- }
- return results;
- }-*/;
-
- public SelectorEngineSizzleGwt() {
- createExpr();
- }
-
- public NodeList<Element> select(String selector, Node context) {
- JsArray<Element> results = JavaScriptObject.createArray().cast();
- return GQUtils.unique(select(selector, context, results, null)).cast();
- }
- }
|