void NTNDArrayConverter::fromValue (NDArray *src)
{
typedef typename arrayType::value_type arrayValType;
NDArrayInfo_t arrayInfo;
size_t count, nBytes;
string unionField(string(ScalarTypeFunc::name(arrayType::typeCode)) +
string("Value"));
src->getInfo(&arrayInfo);
count = arrayInfo.nElements;
nBytes = arrayInfo.totalBytes;
m_array->getCompressedDataSize()->put(static_cast<int64>(nBytes));
m_array->getUncompressedDataSize()->put(static_cast<int64>(nBytes));
src->reserve();
shared_vector<arrayValType> temp((srcDataType*)src->pData,
freeNDArray<srcDataType>(src), 0, count);
PVUnionPtr dest = m_array->getValue();
dest->select<arrayType>(unionField)->replace(freeze(temp));
dest->postPut();
}
PVUnionPtr PVDataCreate::createPVUnion(PVUnionPtr const & unionToClone)
{
PVUnionPtr punion(new PVUnion(unionToClone->getUnion()));
// set cloned value
punion->set(unionToClone->getSelectedIndex(), createPVField(unionToClone->get()));
return punion;
}
static void setValue(PVUnionPtr const &pvUnion, double value)
{
UnionConstPtr u = pvUnion->getUnion();
FieldConstPtr field = u->getField(0);
Type type = field->getType();
if(type==scalar) {
ScalarConstPtr scalar = static_pointer_cast<const Scalar>(field);
ScalarType scalarType = scalar->getScalarType();
if(scalarType==pvDouble) {
PVDoublePtr pvValue = static_pointer_cast<PVDouble>(
pvDataCreate->createPVScalar(pvDouble));
pvValue->put(value);
pvUnion->set(0,pvValue);
return;
}
if(scalarType==pvString) {
PVStringPtr pvValue = static_pointer_cast<PVString>(
pvDataCreate->createPVScalar(pvString));
stringstream ss;
ss << "value" << value;
pvValue->put(ss.str());
pvUnion->set(0,pvValue);
return;
}
throw std::runtime_error("only pvDouble and pvString are supported");
}
if(type==scalarArray) {
ScalarArrayConstPtr scalarArray = static_pointer_cast<const ScalarArray>(field);
ScalarType scalarType = scalarArray->getElementType();
if(scalarType==pvDouble) {
size_t num = 5;
PVDoubleArrayPtr pvValue = static_pointer_cast<PVDoubleArray>(
pvDataCreate->createPVScalarArray(pvDouble));
shared_vector<double> data(num);
for(size_t i=0; i<num; ++i) data[i] = value +i;
pvValue->replace(freeze(data));
pvUnion->set(0,pvValue);
return;
}
if(scalarType==pvString) {
size_t num = 5;
PVStringArrayPtr pvValue = static_pointer_cast<PVStringArray>(
pvDataCreate->createPVScalarArray(pvString));
shared_vector<string> data(num);
for(size_t i=0; i<num; ++i) {
stringstream ss;
ss << "value" << value << i;
data[i] = ss.str();
}
pvValue->replace(freeze(data));
pvUnion->set(0,pvValue);
return;
}
throw std::runtime_error("only pvDouble and pvString are supported");
}
throw std::runtime_error("only scalar and scalarArray fields are supported");
}
void NTNDArrayRecord::setValue(PVByteArray::const_svector const & bytes)
{
// Get the union value field
PVUnionPtr value = ndarray->getValue();
// Select the byteValue field stored in "value"
PVByteArrayPtr byteValue = value->select<PVByteArray>("byteValue");
// replace the shared vector with "bytes"
byteValue->replace(bytes);
// call postPut so that the union sees the change in the stored field
value->postPut();
}
size_t fromString(PVUnionPtr const & pvUnion, StringArray const & from, size_t fromStartIndex = 0)
{
if (pvUnion->getUnion()->isVariant())
throw std::runtime_error("cannot handle variant unions");
size_t fromValueCount = from.size();
if (fromStartIndex >= fromValueCount)
throw std::runtime_error("not enough of values");
string selector = from[fromStartIndex++];
PVFieldPtr pv = pvUnion->select(selector);
if (!pv)
throw std::runtime_error("invalid union selector value '" + selector + "'");
size_t processed = fromString(pv, from, fromStartIndex);
return processed + 1;
}
static void testCopy()
{
TEST_COPY(PVBoolean, 1);
TEST_COPY(PVByte, 12);
TEST_COPY(PVShort, 128);
TEST_COPY(PVInt, 128000);
TEST_COPY(PVLong, 128000000);
TEST_COPY(PVUByte, 12);
TEST_COPY(PVUShort, 128);
TEST_COPY(PVUInt, 128000);
TEST_COPY(PVULong, 128000000);
TEST_COPY(PVFloat, 12.8);
TEST_COPY(PVDouble, 8.12);
TEST_COPY(PVString, "jikes");
int32 testValue = 128;
// PVStructure test
PVStructurePtr pvStructure =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructure->getSubField<PVInt>("value")->put(testValue);
PVTimeStamp timeStamp;
timeStamp.attach(pvStructure->getSubField<PVStructure>("timeStamp"));
TimeStamp current;
current.getCurrent();
timeStamp.set(current);
PVStructurePtr pvStructureCopy =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy->copy(*pvStructure);
testOk(*pvStructure == *pvStructureCopy, "PVStructure copy");
PVStructurePtr pvStructureCopy2 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy2->copyUnchecked(*pvStructure);
testOk(*pvStructure == *pvStructureCopy2, "PVStructure copyUnchecked");
BitSet mask(pvStructure->getNumberFields());
PVStructurePtr pvStructureCopy3 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
PVStructurePtr pvStructureCopy4 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy3->copyUnchecked(*pvStructure, mask);
testOk(*pvStructureCopy3 == *pvStructureCopy4, "PVStructure copyUnchecked w/ cleared mask");
mask.set(pvStructure->getSubField<PVInt>("value")->getFieldOffset());
pvStructureCopy3->copyUnchecked(*pvStructure, mask);
pvStructureCopy4->getSubField<PVInt>("value")->put(testValue);
testOk(*pvStructureCopy3 == *pvStructureCopy4, "PVStructure copyUnchecked w/ value mask only");
mask.set(pvStructure->getSubField<PVStructure>("timeStamp")->getFieldOffset());
PVStructurePtr pvStructureCopy5 =
standardPVField->scalar(pvInt, alarmTimeStampValueAlarm);
pvStructureCopy5->copyUnchecked(*pvStructure, mask);
testOk(*pvStructure == *pvStructureCopy5, "PVStructure copyUnchecked w/ value+timeStamp mask");
UnionConstPtr _union = fieldCreate->createFieldBuilder()->
add("doubleValue", pvDouble)->
add("intValue", pvInt)->
add("timeStamp",standardField->timeStamp())->
createUnion();
PVUnionPtr pvUnion = pvDataCreate->createPVUnion(_union);
PVUnionPtr pvUnion2 = pvDataCreate->createPVUnion(_union);
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "null PVUnion copy");
pvUnion->select<PVInt>("intValue")->put(123);
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "PVUnion scalar copy, to null PVUnion");
pvUnion->select("doubleValue");
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "PVUnion scalar copy, to different type PVUnion");
pvUnion->select<PVStructure>("timeStamp")->copy(
*pvStructure->getSubField<PVStructure>("timeStamp")
);
pvUnion2->copy(*pvUnion);
testOk(*pvUnion == *pvUnion2, "PVUnion PVStructure copy, to different type PVUnion");
}
