content: /*
   * Copyright 2015 Google Inc.
   *
   * 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.google.googlejavaformat;
  
  import com.google.common.base.MoreObjects;
  
  /**
   * An {@code OpenOp} opens a level. It is an {@link Op} in the sequence of {@link Op}s generated by
   * {@link OpsBuilder}. When the sequence is turned into a {@link Doc} by {@link DocBuilder}, {@link
   * Input.Tok}s delimited by {@code OpenOp}-{@link CloseOp} pairs turn into nested {@link
   * Doc.Level}s.
   */
  public final class OpenOp implements Op {
    private final Indent plusIndent;
  
    private OpenOp(Indent plusIndent) {
      this.plusIndent = plusIndent;
    }
  
    /**
     * Make an ordinary {@code OpenOp}.
     *
     * @param plusIndent the indent for breaks at this level
     * @return the {@code OpenOp}
     */
    public static Op make(Indent plusIndent) {
      return new OpenOp(plusIndent);
    }
  
    @Override
    public void add(DocBuilder builder) {
      builder.open(plusIndent);
    }
  
    @Override
    public String toString() {
      return MoreObjects.toStringHelper(this).add("plusIndent", plusIndent).toString();
    }
  }
  