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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.source.formatter.checkstyle.util;

import com.liferay.portal.kernel.util.ArrayUtil;

import com.puppycrawl.tools.checkstyle.api.DetailAST;

import java.util.ArrayList;
import java.util.List;

/**
 * @author Hugo Huijser
 */
public class DetailASTUtil {

	public static final int ALL_TYPES = -1;

	public static List getAllChildTokens(
		DetailAST detailAST, boolean recursive, int... tokenTypes) {

		return _getAllChildTokens(detailAST, recursive, null, tokenTypes);
	}

	private static List _getAllChildTokens(
		DetailAST detailAST, boolean recursive, List list,
		int... tokenTypes) {

		if (list == null) {
			list = new ArrayList<>();
		}

		DetailAST childDetailAST = detailAST.getFirstChild();

		while (childDetailAST != null) {
			if (ArrayUtil.contains(tokenTypes, childDetailAST.getType()) ||
				ArrayUtil.contains(tokenTypes, ALL_TYPES)) {

				list.add(childDetailAST);
			}

			if (recursive) {
				list = _getAllChildTokens(
					childDetailAST, recursive, list, tokenTypes);
			}

			childDetailAST = childDetailAST.getNextSibling();
		}

		return list;
	}

}