/*
 *  Copyright (c) 2020, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *  WSO2 Inc. licenses this file to you 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 io.ballerina.toml.internal.syntax;

import io.ballerina.toml.internal.parser.tree.STNode;
import io.ballerina.toml.syntax.tree.SyntaxKind;

/**
 * Contains utility methods works with both internal and external node lists instances.
 *
 * @since 2.0.0
 */
public class NodeListUtils {
    private NodeListUtils() {
    }

    public static boolean isSTNodeList(STNode node) {
        return node.kind == SyntaxKind.LIST;
    }

    public static void rangeCheck(int index, int size) {
        if (index >= size || index < 0) {
            throw new IndexOutOfBoundsException(getOutOfBoundsMessage(index, size));
        }
    }

    public static void rangeCheckForAdd(int index, int size) {
        if (index > size || index < 0) {
            throw new IndexOutOfBoundsException(getOutOfBoundsMessage(index, size));
        }
    }

    private static String getOutOfBoundsMessage(int index, int size) {
        return "Index: '" + index + "', Size: '" + size + "'";
    }
}
