content: /*
   * Copyright (C) 2014 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 dexfuzz.rawdex;
  
  import java.io.IOException;
  
  public class MapItem implements RawDexObject {
    public static final int TYPE_HEADER_ITEM = 0x0;
    public static final int TYPE_STRING_ID_ITEM = 0x1;
    public static final int TYPE_TYPE_ID_ITEM = 0x2;
    public static final int TYPE_PROTO_ID_ITEM = 0x3;
    public static final int TYPE_FIELD_ID_ITEM = 0x4;
    public static final int TYPE_METHOD_ID_ITEM = 0x5;
    public static final int TYPE_CLASS_DEF_ITEM = 0x6;
    public static final int TYPE_MAP_LIST = 0x1000;
    public static final int TYPE_TYPE_LIST = 0x1001;
    public static final int TYPE_ANNOTATION_SET_REF_LIST = 0x1002;
    public static final int TYPE_ANNOTATION_SET_ITEM = 0x1003;
    public static final int TYPE_CLASS_DATA_ITEM = 0x2000;
    public static final int TYPE_CODE_ITEM = 0x2001;
    public static final int TYPE_STRING_DATA_ITEM = 0x2002;
    public static final int TYPE_DEBUG_INFO_ITEM = 0x2003;
    public static final int TYPE_ANNOTATION_ITEM = 0x2004;
    public static final int TYPE_ENCODED_ARRAY_ITEM = 0x2005;
    public static final int TYPE_ANNOTATIONS_DIRECTORY_ITEM = 0x2006;
  
    public short type;
    public int size;
    public Offset offset;
  
    @Override
    public void read(DexRandomAccessFile file) throws IOException {
      type = file.readUShort();
      file.readUShort(); // Unused padding.
      size = file.readUInt();
      if (type == TYPE_HEADER_ITEM) {
        offset = file.getOffsetTracker().getNewHeaderOffset(file.readUInt());
      } else {
        offset = file.getOffsetTracker().getNewOffset(file.readUInt());
      }
    }
  
    @Override
    public void write(DexRandomAccessFile file) throws IOException {
      file.writeUShort(type);
      file.writeUShort((short) 0); // Unused padding.
      file.writeUInt(size);
      file.getOffsetTracker().tryToWriteOffset(offset, file, false /* ULEB128 */);
    }
  
    @Override
    public void incrementIndex(IndexUpdateKind kind, int insertedIdx) {
      // Do nothing.
    }
  }
  