Function SetString

native/thirdpart/flatbuffers/reflection.cpp:307–325

};

void SetString(const reflection::Schema &schema, const std::string &val,
               const String *str, std::vector<uint8_t> *flatbuf,
               const reflection::Object *root_table) {
  auto delta = static_cast<int>(val.size()) - static_cast<int>(str->size());
  auto str_start = static_cast<uoffset_t>(
      reinterpret_cast<const uint8_t *>(str) - vector_data(*flatbuf));
  auto start = str_start + static_cast<uoffset_t>(sizeof(uoffset_t));
  if (delta) {
    // Clear the old string, since we don't want parts of it remaining.
    memset(vector_data(*flatbuf) + start, 0, str->size());
    // Different size, we must expand (or contract).
    ResizeContext(schema, start, delta, flatbuf, root_table);
    // Set the new length.
    WriteScalar(vector_data(*flatbuf) + str_start,
                static_cast<uoffset_t>(val.size()));
  }
  // Copy new data. Safe because we created the right amount of space.
  memcpy(vector_data(*flatbuf) + start, val.c_str(), val.size() + 1);
}

uint8_t *ResizeAnyVector(const reflection::Schema &schema, uoffset_t newsize,
                         const VectorOfAny *vec, uoffset_t num_elems,