content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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.aliyun.fastmodel.transform.hologres.format;
  
  import com.aliyun.fastmodel.core.tree.BaseStatement;
  import com.aliyun.fastmodel.transform.api.dialect.DialectNode;
  import com.aliyun.fastmodel.transform.hologres.context.HologresTransformContext;
  import com.aliyun.fastmodel.transform.hologres.dialect.HologresVersion;
  import org.apache.commons.lang3.StringUtils;
  
  import static com.aliyun.fastmodel.transform.api.context.TransformContext.SEMICOLON;
  
  /**
   * Hologres Formatter
   *
   * @author panguanjing
   * @date 2021/3/8
   */
  public class HologresFormatter {
  
      public static DialectNode format(BaseStatement statement, HologresTransformContext context,
          HologresVersion version) {
          HologresAstVisitor hologresVisitor = new HologresAstVisitor(context, version);
          Boolean process = hologresVisitor.process(statement, 0);
          StringBuilder builder = hologresVisitor.getBuilder();
          String result = builder.toString();
          if (StringUtils.isBlank(result)) {
              return new DialectNode(result, process);
          }
          if (context.isAppendSemicolon() && !result.endsWith(SEMICOLON)) {
              result = result + SEMICOLON;
          }
          return new DialectNode(result, process);
      }
  
  }
  
  