com.cgxlib.xq.rebind.SelectorGeneratorNativeIE8.java Source code

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Here is the source code for com.cgxlib.xq.rebind.SelectorGeneratorNativeIE8.java

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/*
 * 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.cgxlib.xq.rebind;

/*
 * #%L
 * CGXlib
 * %%
 * Copyright (C) 2016 CGXlib (http://www.cgxlib.com)
 * %%
 * 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.
 * #L%
  Code is originally from gwtquery, and modified by CGXlib team.
 */

import com.cgxlib.xq.client.Selector;
import com.cgxlib.xq.client.impl.SelectorEngineNativeIE8;
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.user.rebind.SourceWriter;

/**
 * Compile time selector generator which delegates to native browser methods.
 */
public class SelectorGeneratorNativeIE8 extends SelectorGeneratorJS {

    @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.matches(SelectorEngineNativeIE8.NATIVE_EXCEPTIONS_REGEXP)) {
            super.generateMethodBody(sw, method, treeLogger, hasContext);
        } else {
            sw.println("return " + wrap(method, "querySelectorAll(\"" + selector + "\", root)") + ";");
        }
    }

    @Override
    protected String getImplSuffix() {
        return "IE8" + super.getImplSuffix();
    }

    @Override
    protected boolean hasGetElementsByClassName() {
        return false;
    }
}