void PrinterPlain::beginStructure(const PVStructure& pv)
{
indentN(S(), ilvl);
S() << pv.getStructure()->getID() << " " << pv.getFieldName();
S() << std::endl;
ilvl++;
}
void PVField::copy(const PVField& from)
{
if(isImmutable())
throw std::invalid_argument("destination is immutable");
if (getField()->getType() != from.getField()->getType())
throw std::invalid_argument("field types do not match");
switch(getField()->getType())
{
case scalar:
{
const PVScalar* fromS = static_cast<const PVScalar*>(&from);
PVScalar* toS = static_cast<PVScalar*>(this);
toS->copy(*fromS);
break;
}
case scalarArray:
{
const PVScalarArray* fromS = static_cast<const PVScalarArray*>(&from);
PVScalarArray* toS = static_cast<PVScalarArray*>(this);
toS->copy(*fromS);
break;
}
case structure:
{
const PVStructure* fromS = static_cast<const PVStructure*>(&from);
PVStructure* toS = static_cast<PVStructure*>(this);
toS->copy(*fromS);
break;
}
case structureArray:
{
const PVStructureArray* fromS = static_cast<const PVStructureArray*>(&from);
PVStructureArray* toS = static_cast<PVStructureArray*>(this);
toS->copy(*fromS);
break;
}
case union_:
{
const PVUnion* fromS = static_cast<const PVUnion*>(&from);
PVUnion* toS = static_cast<PVUnion*>(this);
toS->copy(*fromS);
break;
}
case unionArray:
{
const PVUnionArray* fromS = static_cast<const PVUnionArray*>(&from);
PVUnionArray* toS = static_cast<PVUnionArray*>(this);
toS->copy(*fromS);
break;
}
default:
{
throw std::logic_error("PVField::copy unknown type");
}
}
}
void PVField::copyUnchecked(const PVField& from)
{
switch(getField()->getType())
{
case scalar:
{
const PVScalar* fromS = static_cast<const PVScalar*>(&from);
PVScalar* toS = static_cast<PVScalar*>(this);
toS->copyUnchecked(*fromS);
break;
}
case scalarArray:
{
const PVScalarArray* fromS = static_cast<const PVScalarArray*>(&from);
PVScalarArray* toS = static_cast<PVScalarArray*>(this);
toS->copyUnchecked(*fromS);
break;
}
case structure:
{
const PVStructure* fromS = static_cast<const PVStructure*>(&from);
PVStructure* toS = static_cast<PVStructure*>(this);
toS->copyUnchecked(*fromS);
break;
}
case structureArray:
{
const PVStructureArray* fromS = static_cast<const PVStructureArray*>(&from);
PVStructureArray* toS = static_cast<PVStructureArray*>(this);
toS->copyUnchecked(*fromS);
break;
}
case union_:
{
const PVUnion* fromS = static_cast<const PVUnion*>(&from);
PVUnion* toS = static_cast<PVUnion*>(this);
toS->copyUnchecked(*fromS);
break;
}
case unionArray:
{
const PVUnionArray* fromS = static_cast<const PVUnionArray*>(&from);
PVUnionArray* toS = static_cast<PVUnionArray*>(this);
toS->copyUnchecked(*fromS);
break;
}
default:
{
throw std::logic_error("PVField::copy unknown type");
}
}
}
void ValueBuilder::_add(const std::string& name, const PVStructure& V)
{
StructureConstPtr T(V.getStructure());
ValueBuilder& self = addNested(name, structure, T->getID());
child_struct::fillStruct(self, V);
self.endNested();
}
PVFieldPtr PVStructure::getSubField(size_t fieldOffset) const
{
if(fieldOffset<=getFieldOffset()) {
return nullPVField;
}
if(fieldOffset>getNextFieldOffset()) return nullPVField;
size_t numFields = pvFields.size();
for(size_t i=0; i<numFields; i++) {
PVFieldPtr pvField = pvFields[i];
if(pvField->getFieldOffset()==fieldOffset) return pvFields[i];
if(pvField->getNextFieldOffset()<=fieldOffset) continue;
if(pvField->getField()->getType()==structure) {
PVStructure *pvStructure = static_cast<PVStructure *>(pvField.get());
return pvStructure->getSubField(fieldOffset);
}
}
throw std::logic_error("PVStructure.getSubField: Logic error");
}
std::tr1::shared_ptr<PVCopy> PVCopy::create(
PVRecord &pvRecord, PVStructure &request, String structureName)
{
PVStructure *pvRequest = &request;
if(structureName.length()>0) {
if(pvRequest->getStructure()->getNumberFields()>0) {
PVStructure *pvStructure
= pvRequest->getStructureField(structureName);
if(pvStructure==0) return std::tr1::shared_ptr<PVCopy>();
pvRequest = pvStructure;
}
}
std::tr1::shared_ptr<PVCopy> pvCopy =
std::tr1::shared_ptr<PVCopy>(new PVCopy(pvRecord));
PVStructure *pvStruct = pvRequest;
if(pvRequest->getSubField("field")!=0) {
pvStruct = pvRequest->getStructureField("field");
}
pvCopy->init(*pvStruct);
return pvCopy;
}
bool PVTimeStamp::attach(PVFieldPtr const & pvField)
{
if(pvField->getField()->getType()!=structure) return false;
PVStructurePtr xxx = static_pointer_cast<PVStructure>(pvField);
PVStructure* pvStructure = xxx.get();
while(true) {
PVLongPtr pvLong = pvStructure->getLongField("secondsPastEpoch");
if(pvLong.get()!=NULL) {
pvSecs = pvLong;
pvNano = pvStructure->getIntField("nanoseconds");
pvUserTag = pvStructure->getIntField("userTag");
}
if(pvSecs.get()!=NULL
&& pvNano.get()!=NULL
&& pvUserTag.get()!=NULL) return true;
detach();
// look up the tree for a timeSyamp
pvStructure = pvStructure->getParent();
if(pvStructure==NULL) break;
}
return false;
}
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();
}
void PVStructure::serialize(ByteBuffer *pbuffer,
SerializableControl *pflusher, BitSet *pbitSet) const {
PVStructure* nonConstThis = const_cast<PVStructure*>(this);
size_t numberFields = nonConstThis->getNumberFields();
size_t offset = nonConstThis->getFieldOffset();
int32 next = pbitSet->nextSetBit(offset);
// no more changes or no changes in this structure
if(next<0||next>=static_cast<int32>(offset+numberFields)) return;
// entire structure
if(static_cast<int32>(offset)==next) {
serialize(pbuffer, pflusher);
return;
}
size_t fieldsSize = pvFields.size();
for(size_t i = 0; i<fieldsSize; i++) {
PVFieldPtr pvField = pvFields[i];
offset = pvField->getFieldOffset();
int32 inumberFields = pvField->getNumberFields();
next = pbitSet->nextSetBit(offset);
// no more changes
if(next<0) return;
// no change in this pvField
if(next>=static_cast<int32>(offset+inumberFields)) continue;
// serialize field or fields
if(inumberFields==1) {
pvField->serialize(pbuffer, pflusher);
} else {
PVStructurePtr pvStructure = std::tr1::static_pointer_cast<PVStructure>(pvField);
pvStructure->serialize(pbuffer, pflusher, pbitSet);
}
}
}
ValueBuilder::ValueBuilder(const PVStructure& clone) :parent(0)
{
StructureConstPtr ctype(clone.getStructure());
id = ctype->getID();
child_struct::fillStruct(*this, clone);
}
