content: /*
   * 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 com.alibaba.compileflow.engine.core.builder.generator.constants;
  
  /**
   * @author yusu
   */
  public final class CodeConstants {
  
      /**
       * Number of spaces used for indentation when spaces are selected.
       * Configurable via system property 'compileflow.codegen.indent-spaces'.
       */
      public static final int INDENT = Integer.getInteger("compileflow.codegen.indent-spaces", 4);
  
      /**
       * Whether to use tab characters for indentation instead of spaces.
       * Configurable via system property 'compileflow.codegen.indent.use-tabs'.
       */
      public static final boolean USE_TABS = Boolean.getBoolean("compileflow.codegen.indent.use-tabs");
  
      /**
       * Single indent unit used by generators (either a tab or N spaces).
       */
      public static final String INDENT_UNIT = USE_TABS ? "\t" : repeat(' ', INDENT);
  
      private CodeConstants() {
          // no instances
      }
  
      private static String repeat(char ch, int count) {
          if (count <= 0) {
              return "";
          }
          char[] arr = new char[count];
          for (int i = 0; i < count; i++) {
              arr[i] = ch;
          }
          return new String(arr);
      }
  
  }
  