void InteropInputStream::Position(int32_t pos)
{
if (pos > len) {
IGNITE_ERROR_FORMATTED_3(IgniteError::IGNITE_ERR_MEMORY, "Requested input stream position is out of bounds",
"memPtr", mem->PointerLong(), "len", len, "pos", pos);
}
this->pos = pos;
}
int32_t BinaryObjectImpl::FindField(const int32_t fieldId) const
{
BinaryObjectHeader header(mem->Data() + start);
int32_t flags = header.GetFlags();
int32_t footerBegin = header.GetFooterOffset() + start;
int32_t footerEnd = footerBegin + header.GetFooterLength();
if ((mem->Length() - start) < footerEnd)
{
IGNITE_ERROR_FORMATTED_3(ignite::IgniteError::IGNITE_ERR_MEMORY,
"Not enough data in the binary object", "memPtr", mem->PointerLong(),
"len", (mem->Length() - start), "footerEnd", footerEnd);
}
if (flags & IGNITE_BINARY_FLAG_OFFSET_ONE_BYTE)
{
for (int32_t schemaPos = footerBegin; schemaPos < footerEnd; schemaPos += 5)
{
int32_t currentFieldId = BinaryUtils::UnsafeReadInt32(*mem, schemaPos);
if (fieldId == currentFieldId)
return (BinaryUtils::UnsafeReadInt8(*mem, schemaPos + 4) & 0xFF) + start;
}
}
else if (flags & IGNITE_BINARY_FLAG_OFFSET_TWO_BYTES)
{
for (int32_t schemaPos = footerBegin; schemaPos < footerEnd; schemaPos += 6)
{
int32_t currentFieldId = BinaryUtils::UnsafeReadInt32(*mem, schemaPos);
if (fieldId == currentFieldId)
return (BinaryUtils::UnsafeReadInt16(*mem, schemaPos + 4) & 0xFFFF) + start;
}
}
else
{
for (int32_t schemaPos = footerBegin; schemaPos < footerEnd; schemaPos += 8)
{
int32_t currentFieldId = BinaryUtils::UnsafeReadInt32(*mem, schemaPos);
if (fieldId == currentFieldId)
return BinaryUtils::UnsafeReadInt32(*mem, schemaPos + 4) + start;
}
}
return -1;
}
