QVariant GeoIPDatabase::readDataField(quint32 &offset) const
{
DataFieldDescriptor descr;
if (!readDataFieldDescriptor(offset, descr))
return QVariant();
quint32 locOffset = offset;
bool usePointer = false;
if (descr.fieldType == DataType::Pointer) {
usePointer = true;
// convert offset from data section to global
locOffset = descr.offset + (m_nodeCount * m_recordSize / 4) + sizeof(DATA_SECTION_SEPARATOR);
if (!readDataFieldDescriptor(locOffset, descr))
return QVariant();
}
QVariant fieldValue;
switch (descr.fieldType) {
case DataType::Pointer:
qDebug() << "* Illegal Pointer using";
break;
case DataType::String:
fieldValue = QString::fromUtf8(reinterpret_cast<const char *>(m_data + locOffset), descr.fieldSize);
locOffset += descr.fieldSize;
break;
case DataType::Double:
if (descr.fieldSize == 8)
fieldValue = readPlainValue<double>(locOffset, descr.fieldSize);
else
qDebug() << "* Invalid field size for type: Double";
break;
case DataType::Bytes:
fieldValue = QByteArray(reinterpret_cast<const char *>(m_data + locOffset), descr.fieldSize);
locOffset += descr.fieldSize;
break;
case DataType::Integer16:
fieldValue = readPlainValue<quint16>(locOffset, descr.fieldSize);
break;
case DataType::Integer32:
fieldValue = readPlainValue<quint32>(locOffset, descr.fieldSize);
break;
case DataType::Map:
fieldValue = readMapValue(locOffset, descr.fieldSize);
break;
case DataType::SignedInteger32:
fieldValue = readPlainValue<qint32>(locOffset, descr.fieldSize);
break;
case DataType::Integer64:
fieldValue = readPlainValue<quint64>(locOffset, descr.fieldSize);
break;
case DataType::Integer128:
qDebug() << "* Unsupported data type: Integer128";
break;
case DataType::Array:
fieldValue = readArrayValue(locOffset, descr.fieldSize);
break;
case DataType::DataCacheContainer:
qDebug() << "* Unsupported data type: DataCacheContainer";
break;
case DataType::EndMarker:
qDebug() << "* Unsupported data type: EndMarker";
break;
case DataType::Boolean:
fieldValue = QVariant::fromValue(static_cast<bool>(descr.fieldSize));
break;
case DataType::Float:
if (descr.fieldSize == 4)
fieldValue = readPlainValue<float>(locOffset, descr.fieldSize);
else
qDebug() << "* Invalid field size for type: Float";
break;
default:
qDebug() << "* Unsupported data type: Unknown";
}
if (!usePointer)
offset = locOffset;
return fieldValue;
}
asynStatus NetShrVarDriver::readInt8Array(asynUser *pasynUser, epicsInt8 *value, size_t nElements, size_t *nIn)
{
return readArrayValue(pasynUser, "readInt8Array", value, nElements, nIn);
}
