PVStructure::PVStructure(StructureConstPtr const & structurePtr,
PVFieldPtrArray const & pvs
)
: PVField(structurePtr),
structurePtr(structurePtr),
extendsStructureName("")
{
size_t numberFields = structurePtr->getNumberFields();
StringArray fieldNames = structurePtr->getFieldNames();
pvFields.reserve(numberFields);
for(size_t i=0; i<numberFields; i++) {
pvFields.push_back(pvs[i]);
}
for(size_t i=0; i<numberFields; i++) {
pvFields[i]->setParentAndName(this,fieldNames[i]);
}
}
StructureConstPtr FieldCreate::appendField(
StructureConstPtr const & structure,
string const & fieldName,
FieldConstPtr const & field) const
{
StringArray oldNames = structure->getFieldNames();
FieldConstPtrArray oldFields = structure->getFields();
size_t oldLen = oldNames.size();
StringArray newNames(oldLen+1);
FieldConstPtrArray newFields(oldLen+1);
for(size_t i = 0; i<oldLen; i++) {
newNames[i] = oldNames[i];
newFields[i] = oldFields[i];
}
newNames[oldLen] = fieldName;
newFields[oldLen] = field;
return createStructure(structure->getID(),newNames,newFields);
}
PVStructure::PVStructure(StructureConstPtr const & structurePtr)
: PVField(structurePtr),
structurePtr(structurePtr),
extendsStructureName("")
{
size_t numberFields = structurePtr->getNumberFields();
FieldConstPtrArray fields = structurePtr->getFields();
StringArray fieldNames = structurePtr->getFieldNames();
// PVFieldPtrArray * xxx = const_cast<PVFieldPtrArray *>(&pvFields);
pvFields.reserve(numberFields);
PVDataCreatePtr pvDataCreate = getPVDataCreate();
for(size_t i=0; i<numberFields; i++) {
pvFields.push_back(pvDataCreate->createPVField(fields[i]));
}
for(size_t i=0; i<numberFields; i++) {
pvFields[i]->setParentAndName(this,fieldNames[i]);
}
}
StructureConstPtr FieldCreate::appendFields(
StructureConstPtr const & structure,
StringArray const & fieldNames,
FieldConstPtrArray const & fields) const
{
StringArray oldNames = structure->getFieldNames();
FieldConstPtrArray oldFields = structure->getFields();
size_t oldLen = oldNames.size();
size_t extra = fieldNames.size();
StringArray newNames(oldLen+extra);
FieldConstPtrArray newFields(oldLen+extra);
for(size_t i = 0; i<oldLen; i++) {
newNames[i] = oldNames[i];
newFields[i] = oldFields[i];
}
for(size_t i = 0; i<extra; i++) {
newNames[oldLen +i] = fieldNames[i];
newFields[oldLen +i] = fields[i];
}
return createStructure(structure->getID(),newNames,newFields);
}
void PVStructure::fixParentStructure()
{
PVStructure *parent = getParent();
if(parent==NULL) return;
StructureConstPtr parentStructure = parent->structurePtr;
String fieldName = getFieldName();
size_t index = parentStructure->getFieldIndex(fieldName);
StringArray const &fieldNames = parentStructure->getFieldNames();
size_t num = fieldNames.size();
FieldConstPtrArray fields(num);
FieldConstPtrArray const & oldFields = parentStructure->getFields();
for(size_t i=0; i< num; i++) {
if(i==index) {
fields[i] = structurePtr;
} else {
fields[i] = oldFields[i];
}
}
FieldConstPtr field = getFieldCreate()->createStructure(
parentStructure->getID(),fieldNames,fields);
parent->replaceField(field);
parent->fixParentStructure();
}
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);
}