void *
EbRecord::GetField(EbUint32 fid)
{
// check fid
EB_ASSERT(fid < NumberOfFields());
DecodeField(fid);
return _lField[fid]._decodedData;
}
EbUint32
EbRecord::FieldSize(EbUint32 fid, EbUint32 option)
{
// check fid
if (fid >= NumberOfFields()) {
EB_ASSERT (0 == "EBE_INVALID_FIELD");
}
DataDriver *pDriver = _pEbase->_lpDataDriver[fid];
DecodeField(fid);
return pDriver->DecodedDataSize(_lField[fid]._decodedData);
}
static uint8_t* DeserializeRec(DecodeState& ds, TxtNode *firstNode, TxtNode *defaultFirstNode, StructMetadata *def)
{
bool ok = true;
if (!firstNode)
return NULL;
uint8_t *res = AllocArray<uint8_t>(def->size);
for (int i = 0; i < def->nFields; i++) {
ok = DecodeField(ds, firstNode, defaultFirstNode, def->fields + i, res);
if (!ok)
goto Error;
}
return res;
Error:
FreeStruct(res, def);
return NULL;
}
static uint8_t* DeserializeRec(DecodeState& ds, TxtNode *firstNode, const StructMetadata *def)
{
bool ok = true;
if (!firstNode)
return NULL;
uint8_t *res = AllocArray<uint8_t>(def->size);
const StructMetadata **defPtr = (const StructMetadata**)res;
*defPtr = def;
const char *fieldName = def->fieldNames;
for (int i = 0; i < def->nFields; i++) {
ok = DecodeField(ds, firstNode, fieldName, def->fields + i, res);
if (!ok)
goto Error;
seqstrings::SkipStr(fieldName);
}
return res;
Error:
FreeStruct(res, def);
return NULL;
}
void *
EbRecord::GetFieldAlloc(EbUint32 fid)
{
// check fid
EB_ASSERT(fid < NumberOfFields());
void * newData;
DataDriver *pDriver = _pEbase->_lpDataDriver[fid];
if (_lField[fid]._changed == EB_TRUE) {
// this field is modified, we need to clone the decoded data
newData = pDriver->CloneDecodedData(_lField[fid]._decodedData);
} else {
DecodeField(fid);
EB_ASSERT(_lField[fid]._decoded == EB_TRUE);
// this field is now decoded, we simple "steal" the data.
newData = _lField[fid]._decodedData;
_lField[fid]._decodedData = NULL;
_lField[fid]._decoded = EB_FALSE;
}
return newData;
}
