/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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 org.apache.shardingsphere.sql.parser.sql.common.constant;

import java.util.Arrays;
import lombok.Getter;
import lombok.RequiredArgsConstructor;

/**
 * Paren of SQL.
 */
@RequiredArgsConstructor
@Getter
public enum Paren {
    
    PARENTHESES('(', ')'), BRACKET('[', ']'), BRACES('{', '}');
    
    private final char leftParen;
    
    private final char rightParen;
    
    /**
     * Judge passed token is left paren or not.
     * 
     * @param token token
     * @return is left paren or not
     */
    public static boolean isLeftParen(final char token) {
        return Arrays.stream(values()).anyMatch(each -> each.leftParen == token);
    }
    
    /**
     * Judge left paren match right paren or not.
     * 
     * @param leftToken left token
     * @param rightToken right token
     * @return match or not
     */
    public static boolean match(final char leftToken, final char rightToken) {
        return Arrays.stream(values()).anyMatch(each -> each.leftParen == leftToken && each.rightParen == rightToken);
    }
}
