int __thiscall fb::DbObjectElement::size(fb::DbObjectElement *this)
{
  fb::DbObjectElement *v1; // esi@1
  int v2; // edi@1
  int result; // eax@2
  unsigned int v4; // eax@8
  fb::OutAsciiStream *v5; // eax@16
  fb::Log::Stream f_; // [sp+8h] [bp-140h]@16
  const char *p1; // [sp+138h] [bp-10h]@8
  int v8; // [sp+144h] [bp-4h]@16

  v1 = this;
  v2 = *this->m_data & 0x1F;
  switch ( v2 )
  {
    case 0:
      result = 1;
      break;
    case 6:
      result = this->m_payload - this->m_data + 1;
      break;
    case 8:
    case 11:
      result = this->m_payload - this->m_data + 4;
      break;
    case 9:
    case 12:
    case 13:
      result = this->m_payload - this->m_data + 8;
      break;
    case 7:
      result = fb::DbObjectElement::valueStringSize(this) + this->m_payload - this->m_data;
      break;
    case 1:
    case 2:
      result = fb::DbObjectElement::valueObjectSize(this) + this->m_payload - this->m_data;
      break;
    case 19:
      p1 = this->m_payload;
      v4 = fb::decode7Bit32(p1, &p1);
      result = v4 + p1 - v1->m_data;
      break;
    case 16:
    case 20:
      result = this->m_payload - this->m_data + 20;
      break;
    case 4:
    case 31:
      result = this->m_payload - this->m_data;
      break;
    case 5:
      result = this->m_payload - this->m_data + 12;
      break;
    case 14:
      result = this->m_payload - this->m_data + 6;
      break;
    case 10:
    case 21:
      p1 = this->m_payload;
      fb::decode7Bit64(p1, &p1);
      result = p1 - v1->m_data;
      break;
    case 15:
      result = this->m_payload - this->m_data + 16;
      break;
    default:
      if ( fb::Log::c_logFilter & 0x20 )
      {
        fb::Log::Stream::Stream(&f_, &stru_39DB74C, s_logContext);
        v8 = 0;
        v5 = fb::operator<<((fb::OutAsciiStream *)&f_.vfptr, "Unknown element type: ");
        fb::operator<<(v5, v2);
        fb::Log::Stream::process(&f_);
        v8 = -1;
        fb::Log::Stream::~Stream(&f_);
      }
      if ( fb::Log::shouldBreak() )
        __debugbreak();
      result = -1;
      break;
  }
  return result;
}