Method CheckInterSectionIterate

Bcore/src/main/cpp/dex/dex_file_verifier.cc:2670–2802

}

bool DexFileVerifier::CheckInterSectionIterate(size_t offset,
                                               uint32_t count,
                                               DexFile::MapItemType type) {
  // Get the right alignment mask for the type of section.
  size_t alignment_mask;
  switch (type) {
    case DexFile::kDexTypeClassDataItem:
      alignment_mask = sizeof(uint8_t) - 1;
      break;
    default:
      alignment_mask = sizeof(uint32_t) - 1;
      break;
  }

  // Iterate through the items in the section.
  previous_item_ = nullptr;
  for (uint32_t i = 0; i < count; i++) {
    uint32_t new_offset = (offset + alignment_mask) & ~alignment_mask;
    ptr_ = begin_ + new_offset;
    const uint8_t* prev_ptr = ptr_;

    if (MapTypeToBitMask(type) == 0) {
      ErrorStringPrintf("Unknown map item type %x", type);
      return false;
    }

    // Check depending on the section type.
    switch (type) {
      case DexFile::kDexTypeHeaderItem:
      case DexFile::kDexTypeMapList:
      case DexFile::kDexTypeTypeList:
      case DexFile::kDexTypeCodeItem:
      case DexFile::kDexTypeStringDataItem:
      case DexFile::kDexTypeDebugInfoItem:
      case DexFile::kDexTypeAnnotationItem:
      case DexFile::kDexTypeEncodedArrayItem:
        break;
      case DexFile::kDexTypeStringIdItem: {
        if (!CheckInterStringIdItem()) {
          return false;
        }
        break;
      }
      case DexFile::kDexTypeTypeIdItem: {
        if (!CheckInterTypeIdItem()) {
          return false;
        }
        break;
      }
      case DexFile::kDexTypeProtoIdItem: {
        if (!CheckInterProtoIdItem()) {
          return false;
        }
        break;
      }
      case DexFile::kDexTypeFieldIdItem: {
        if (!CheckInterFieldIdItem()) {
          return false;