content: /*
   * Copyright (C) 2007 The Android Open Source Project
   *
   * 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.taobao.android.dx.cf.iface;
  
  import com.taobao.android.dx.util.ByteArray;
  
  /**
   * Observer of parsing in action. This is used to supply feedback from
   * the various things that parse particularly to the dumping utilities.
   */
  public interface ParseObserver {
      /**
       * Indicate that the level of indentation for a dump should increase
       * or decrease (positive or negative argument, respectively).
       *
       * @param indentDelta the amount to change indentation
       */
      public void changeIndent(int indentDelta);
  
      /**
       * Indicate that a particular member is now being parsed.
       *
       * @param bytes {@code non-null;} the source that is being parsed
       * @param offset offset into {@code bytes} for the start of the
       * member
       * @param name {@code non-null;} name of the member
       * @param descriptor {@code non-null;} descriptor of the member
       */
      public void startParsingMember(ByteArray bytes, int offset, String name,
                                     String descriptor);
  
      /**
       * Indicate that a particular member is no longer being parsed.
       *
       * @param bytes {@code non-null;} the source that was parsed
       * @param offset offset into {@code bytes} for the end of the
       * member
       * @param name {@code non-null;} name of the member
       * @param descriptor {@code non-null;} descriptor of the member
       * @param member {@code non-null;} the actual member that was parsed
       */
      public void endParsingMember(ByteArray bytes, int offset, String name,
                                   String descriptor, Member member);
  
      /**
       * Indicate that some parsing happened.
       *
       * @param bytes {@code non-null;} the source that was parsed
       * @param offset offset into {@code bytes} for what was parsed
       * @param len number of bytes parsed
       * @param human {@code non-null;} human form for what was parsed
       */
      public void parsed(ByteArray bytes, int offset, int len, String human);
  }
  