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- /*
- * Copyright 2009 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;
-
- 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.SelectorEngine;
-
- /**
- * Runtime selector engine implementation for IE with native
- * querySelectorAll support (IE8 standards mode).
- *
- * It will fall back to Sizzle engine when QuerySelector were unavailable
- * or in the case of selectors unsupported by the IE8 native QuerySelector.
- *
- */
- public class SelectorEngineNativeIE8 extends SelectorEngineSizzleIE {
-
- public static String NATIVE_EXCEPTIONS_REGEXP = ".*(:contains|!=|:checked|:not|:nth-|:last-|:only-).*";
-
- public NodeList<Element> select(String selector, Node ctx) {
- if (!SelectorEngine.hasQuerySelector || selector.matches(NATIVE_EXCEPTIONS_REGEXP)) {
- return super.select(selector, ctx);
- } else {
- try {
- return SelectorEngine.querySelectorAllImpl(selector, ctx);
- } catch (Exception e) {
- return super.select(selector, ctx);
- }
- }
- }
-
- }
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