com.google.gwt.query.rebind.SelectorGeneratorNative 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.rebind;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JMethod;
import com.google.gwt.query.client.Selector;
import com.google.gwt.query.client.impl.SelectorEngineNative;
import com.google.gwt.user.rebind.SourceWriter;
/**
* Compile time selector generator which delegates to native browser methods.
*/
public class SelectorGeneratorNative extends SelectorGeneratorCssToXPath {
@Override
protected void generateMethodBody(SourceWriter sw, JMethod method,
TreeLogger treeLogger, boolean hasContext)
throws UnableToCompleteException {
String selector = method.getAnnotation(Selector.class).value();
if (selector.matches("#[\\w\\-]+")) {
sw.println("return "
+ wrap(method, "veryQuickId(\"" + selector.substring(1) + "\", root)") + ";");
} else if (selector.equals("*") || selector.matches("[\\w\\-]+")) {
sw.println("return "
+ wrap(method, "elementsByTagName(\"" + selector + "\", root)") + ";");
} else if (selector.matches("\\.[\\w\\-]+")) {
sw.println("return "
+ wrap(method, "elementsByClassName(\"" + selector.substring(1) + "\", root)") + ";");
} else if (selector.contains("!=")) {
sw.println("return "
+ wrap(method, "querySelectorAll(\""
+ selector.replaceAll("(\\[\\w+)!(=[^\\]]+\\])", ":not($1$2)")
+ "\", root)") + ";");
} else if (selector.matches(SelectorEngineNative.NATIVE_EXCEPTIONS_REGEXP)) {
super.generateMethodBody(sw, method, treeLogger, hasContext);
} else {
sw.println("return "
+ wrap(method, "querySelectorAll(\"" + selector + "\", root)") + ";");
}
}
@Override
protected String getImplSuffix() {
return "Native" + super.getImplSuffix();
}
@Override
protected boolean hasGetElementsByClassName() {
return true;
}
}