PVScalarArrayPtr PVStructure::getScalarArrayField(
String const &fieldName,ScalarType elementType)
{
PVFieldPtr pvField = findSubField(fieldName,this);
if(pvField.get()==NULL) {
String message("fieldName ");
message += fieldName + " does not exist";
this->message(message, errorMessage);
return nullPVScalarArray;
}
FieldConstPtr field = pvField->getField();
Type type = field->getType();
if(type!=scalarArray) {
String message("fieldName ");
message += fieldName + " does not have type array ";
this->message(message, errorMessage);
return nullPVScalarArray;
}
ScalarArrayConstPtr pscalarArray
= static_pointer_cast<const ScalarArray>(pvField->getField());
if(pscalarArray->getElementType()!=elementType) {
String message("fieldName ");
message += fieldName + " is array but does not have elementType ";
ScalarTypeFunc::toString(&message,elementType);
this->message(message, errorMessage);
return nullPVScalarArray;
}
return std::tr1::static_pointer_cast<PVScalarArray>(pvField);
}
bool NTNameValue::isCompatible(StructureConstPtr const & structure)
{
if (structure.get() == 0) return false;
ScalarArrayConstPtr nameField = structure->getField<ScalarArray>("name");
if (nameField.get() == 0 || nameField->getElementType() != pvString)
return false;
ScalarArrayConstPtr valueField = structure->getField<ScalarArray>("value");
if (valueField.get() == 0)
return false;
FieldConstPtr field = structure->getField("descriptor");
if (field.get())
{
ScalarConstPtr descriptorField = structure->getField<Scalar>("descriptor");
if (!descriptorField || descriptorField->getScalarType() != pvString)
return false;
}
NTFieldPtr ntField = NTField::get();
field = structure->getField("alarm");
if (field && !ntField->isAlarm(field))
return false;
field = structure->getField("timeStamp");
if (field && !ntField->isTimeStamp(field))
return false;
return true;
}
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");
}
PVScalarArrayPtr PVDataCreate::createPVScalarArray(
ScalarArrayConstPtr const & scalarArray)
{
switch(scalarArray->getElementType()) {
case pvBoolean:
return PVScalarArrayPtr(new DefaultPVBooleanArray(scalarArray));
case pvByte:
return PVScalarArrayPtr(new BasePVByteArray(scalarArray));
case pvShort:
return PVScalarArrayPtr(new BasePVShortArray(scalarArray));
case pvInt:
return PVScalarArrayPtr(new BasePVIntArray(scalarArray));
case pvLong:
return PVScalarArrayPtr(new BasePVLongArray(scalarArray));
case pvUByte:
return PVScalarArrayPtr(new BasePVUByteArray(scalarArray));
case pvUShort:
return PVScalarArrayPtr(new BasePVUShortArray(scalarArray));
case pvUInt:
return PVScalarArrayPtr(new BasePVUIntArray(scalarArray));
case pvULong:
return PVScalarArrayPtr(new BasePVULongArray(scalarArray));
case pvFloat:
return PVScalarArrayPtr(new BasePVFloatArray(scalarArray));
case pvDouble:
return PVScalarArrayPtr(new BasePVDoubleArray(scalarArray));
case pvString:
return PVScalarArrayPtr(new BasePVStringArray(scalarArray));
}
throw std::logic_error("PVDataCreate::createPVScalarArray should never get here");
}
void test_builder()
{
testDiag("test_builder");
NTNDArrayAttributeBuilderPtr builder = NTNDArrayAttribute::createBuilder();
testOk(builder.get() != 0, "Got builder");
StructureConstPtr structure = builder->
addTags()->
addAlarm()->
addTimeStamp()->
add("extra",fieldCreate->createScalar(pvString)) ->
createStructure();
testOk1(structure.get() != 0);
if (!structure)
return;
testOk1(NTNDArrayAttribute::is_a(structure));
testOk1(structure->getID() == NTNDArrayAttribute::URI);
testOk1(structure->getNumberFields() == 9);
testOk1(structure->getField("name").get() != 0);
testOk1(structure->getField("value").get() != 0);
testOk1(structure->getField("tags").get() != 0);
testOk1(structure->getField("descriptor").get() != 0);
testOk1(structure->getField("alarm").get() != 0);
testOk1(structure->getField("timeStamp").get() != 0);
testOk1(structure->getField("sourceType").get() != 0);
testOk1(structure->getField("source").get() != 0);
ScalarConstPtr nameField = structure->getField<Scalar>("name");
testOk(nameField.get() != 0 && nameField->getScalarType() == pvString,
"name is string");
UnionConstPtr valueField = structure->getField<Union>("value");
testOk(valueField.get() != 0, "value is enum");
ScalarArrayConstPtr tagsField = structure->getField<ScalarArray>("tags");
testOk(tagsField.get() != 0 && tagsField->getElementType() == pvString,
"tags is string[]");
std::cout << *structure << std::endl;
}
static bool isCompatible(UnionConstPtr const &u)
{
if(!u.get()) return false;
if (u->getID() != Union::defaultId()) return false;
if (u->isVariant()) return false;
for (int i = pvBoolean; i != pvString; ++i)
{
ScalarType scalarType = static_cast<ScalarType>(i);
std::string name(ScalarTypeFunc::name(scalarType));
name += "Value";
ScalarArrayConstPtr scalarField = u->getField<ScalarArray>(name);
if (scalarField.get() == 0 ||
scalarField->getElementType() != scalarType)
return false;
}
return true;
}
bool NTHistogram::isCompatible(StructureConstPtr const &structure)
{
if(!structure.get()) return false;
ScalarArrayConstPtr rangesField = structure->getField<ScalarArray>("ranges");
if(!rangesField.get() || rangesField->getElementType() != pvDouble) return false;
ScalarArrayConstPtr valueField = structure->getField<ScalarArray>("value");
if(!valueField.get()) return false;
ScalarType scalarType = valueField->getElementType();
if (scalarType != pvShort &&
scalarType != pvInt &&
scalarType != pvLong)
return false;
FieldConstPtr field = structure->getField("descriptor");
if(field)
{
ScalarConstPtr descriptorField = structure->getField<Scalar>("descriptor");
if (!descriptorField.get() || descriptorField->getScalarType() != pvString)
return false;
}
field = structure->getField("alarm");
if (field.get() && !ntField->isAlarm(field))
return false;
field = structure->getField("timeStamp");
if (field.get() && !ntField->isTimeStamp(field))
return false;
return true;
}
void testSerializeFull()
{
buffer->clear();
ScalarConstPtr scalarIn = getScalar("field1");
IntrospectionRegistry::serializeFull(static_pointer_cast<const Field>(scalarIn),buffer,flusher);
buffer->flip();
ScalarConstPtr scalarOut = static_pointer_cast<const Scalar>(IntrospectionRegistry::deserializeFull(buffer,control));
PVField *pvField = pvDataCreate->createPVField(0,scalarOut);
pvFieldArray.push_back(pvField);
assert(scalarIn->getFieldName() == scalarOut->getFieldName());
assert(scalarIn->getType() == scalarOut->getType());
buffer->clear();
ScalarArrayConstPtr scalarArrayIn = getScalarArray("fieldArray1");
IntrospectionRegistry::serializeFull(static_pointer_cast<const Field>(scalarArrayIn),buffer,flusher);
buffer->flip();
ScalarArrayConstPtr scalarArrayOut = static_pointer_cast<const ScalarArray>(IntrospectionRegistry::deserializeFull(buffer,control));
pvField = pvDataCreate->createPVField(0,scalarArrayOut);
pvFieldArray.push_back(pvField);
assert(scalarArrayIn->getFieldName() == scalarArrayOut->getFieldName());
assert(scalarArrayIn->getType() == scalarArrayOut->getType());
buffer->clear();
StructureConstPtr structureIn = getStructure("struct1");
IntrospectionRegistry::serializeFull(static_pointer_cast<const Field>(structureIn),buffer,flusher);
buffer->flip();
StructureConstPtr structureOut = static_pointer_cast<const Structure>(IntrospectionRegistry::deserializeFull(buffer,control));
pvField = pvDataCreate->createPVField(0,structureOut);
pvFieldArray.push_back(pvField);
assert(structureIn->getFieldName() == structureOut->getFieldName());
assert(structureIn->getType() == structureOut->getType());
buffer->clear();
StructureArrayConstPtr structureArrayIn = getStructureArray("struct1","structArray1");
IntrospectionRegistry::serializeFull(static_pointer_cast<const Field>(structureArrayIn),buffer,flusher);
buffer->flip();
StructureArrayConstPtr structureArrayOut = static_pointer_cast<const StructureArray>(IntrospectionRegistry::deserializeFull(buffer,control));
pvField = pvDataCreate->createPVField(0,structureArrayOut);
pvFieldArray.push_back(pvField);
assert(structureArrayIn->getFieldName() == structureArrayOut->getFieldName());
assert(structureArrayIn->getType() == structureArrayOut->getType());
}
bool NTMatrix::isCompatible(StructureConstPtr const & structure)
{
if (structure.get() == 0) return false;
ScalarArrayConstPtr valueField = structure->getField<ScalarArray>("value");
if (valueField.get() == 0 || valueField->getElementType() != pvDouble)
return false;
FieldConstPtr field = structure->getField("dim");
if (field.get())
{
ScalarArrayConstPtr dimField = structure->getField<ScalarArray>("dim");
if (dimField.get() == 0 || dimField->getElementType() != pvInt)
return false;
}
field = structure->getField("descriptor");
if (field.get())
{
ScalarConstPtr descriptorField = structure->getField<Scalar>("descriptor");
if (!descriptorField.get() || descriptorField->getScalarType() != pvString)
return false;
}
NTFieldPtr ntField = NTField::get();
field = structure->getField("alarm");
if (field.get() && !ntField->isAlarm(field))
return false;
field = structure->getField("timeStamp");
if (field.get() && !ntField->isTimeStamp(field))
return false;
field = structure->getField("display");
if (field.get() && !ntField->isDisplay(field))
return false;
return true;
}
StructureConstPtr StandardField::createProperties(String id,FieldConstPtr field,String properties)
{
bool gotAlarm = false;
bool gotTimeStamp = false;
bool gotDisplay = false;
bool gotControl = false;
bool gotValueAlarm = false;
int numProp = 0;
if(properties.find("alarm")!=String::npos) { gotAlarm = true; numProp++; }
if(properties.find("timeStamp")!=String::npos) { gotTimeStamp = true; numProp++; }
if(properties.find("display")!=String::npos) { gotDisplay = true; numProp++; }
if(properties.find("control")!=String::npos) { gotControl = true; numProp++; }
if(properties.find("valueAlarm")!=String::npos) { gotValueAlarm = true; numProp++; }
StructureConstPtr valueAlarm;
Type type= field->getType();
while(gotValueAlarm) {
if(type==epics::pvData::scalar || type==epics::pvData::scalarArray) {
ScalarType scalarType = (type==epics::pvData::scalar) ?
static_pointer_cast<const Scalar>(field)->getScalarType() :
static_pointer_cast<const ScalarArray>(field)->getElementType();
switch(scalarType) {
case pvBoolean: valueAlarm = booleanAlarmField; break;
case pvByte: valueAlarm = byteAlarmField; break;
case pvShort: valueAlarm = shortAlarmField; break;
case pvInt: valueAlarm = intAlarmField; break;
case pvLong: valueAlarm = longAlarmField; break;
case pvUByte: valueAlarm = ubyteAlarmField; break;
case pvUShort: valueAlarm = ushortAlarmField; break;
case pvUInt: valueAlarm = uintAlarmField; break;
case pvULong: valueAlarm = ulongAlarmField; break;
case pvFloat: valueAlarm = floatAlarmField; break;
case pvDouble: valueAlarm = doubleAlarmField; break;
case pvString:
throw std::logic_error(String("valueAlarm property not supported for pvString"));
}
break;
}
if(type==structure) {
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
StringArray names = structurePtr->getFieldNames();
if(names.size()==2) {
FieldConstPtrArray fields = structurePtr->getFields();
FieldConstPtr first = fields[0];
FieldConstPtr second = fields[1];
String nameFirst = names[0];
String nameSecond = names[1];
int compareFirst = nameFirst.compare("index");
int compareSecond = nameSecond.compare("choices");
if(compareFirst==0 && compareSecond==0) {
if(first->getType()==epics::pvData::scalar
&& second->getType()==epics::pvData::scalarArray) {
ScalarConstPtr scalarFirst = static_pointer_cast<const Scalar>(first);
ScalarArrayConstPtr scalarArraySecond =
static_pointer_cast<const ScalarArray>(second);
if(scalarFirst->getScalarType()==pvInt
&& scalarArraySecond->getElementType()==pvString) {
valueAlarm = enumeratedAlarmField;
break;
}
}
}
}
}
throw std::logic_error(String("valueAlarm property for illegal type"));
}
size_t numFields = numProp+1;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
int next = 0;
names[0] = "value";
fields[next++] = field;
if(gotAlarm) {
names[next] = "alarm";
fields[next++] = alarmField;
}
if(gotTimeStamp) {
names[next] = "timeStamp";
fields[next++] = timeStampField;
}
if(gotDisplay) {
names[next] = "display";
fields[next++] = displayField;
}
if(gotControl) {
names[next] = "control";
fields[next++] = controlField;
}
if(gotValueAlarm) {
names[next] = "valueAlarm";
fields[next++] = valueAlarm;
}
return fieldCreate->createStructure(id,names,fields);
}