com.google.gwt.query.client.impl.SelectorEngineNativeIE8 Maven / Gradle / Ivy
/*
* Copyright 2011, The gwtquery team.
*
* 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;
/**
* 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|!=|:not|:nth-|:only-|:first|:last|:even|:odd).*";
public NodeList 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);
}
}
}
}