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/*
 * Copyright 2016 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.css.io;

import br.com.objectos.css.Selectable;
import br.com.objectos.css.Selector;

/**
 * @author [email protected] (Marcio Endo)
 */
class ChildSelector extends AbstractCombinatorSelector {

  private static final SelectorAction ACTION = OperatorSelectorAction.of('>', builder -> builder.child());

  public ChildSelector(Selector first, Selector second) {
    super(first, second);
  }

  public static SelectorAction action() {
    return ACTION;
  }

  @Override
  public boolean matches(Selectable element) {
    return secondMatches(element)
        && element.parent()
            .filter(el -> firstMatches(el))
            .isPresent();
  }

  @Override
  String toStringSeparator() {
    return " > ";
  }

}