553 lines
18 KiB
C++
553 lines
18 KiB
C++
/*BasePVStructure.h*/
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#ifndef BASEPVSTRUCTURE_H
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#define BASEPVSTRUCTURE_H
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#include <cstddef>
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#include <cstdlib>
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#include <string>
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#include <cstdio>
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#include "pvData.h"
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#include "factory.h"
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namespace epics { namespace pvData {
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class PVStructurePvt {
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public:
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PVStructurePvt();
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~PVStructurePvt();
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int numberFields;
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PVFieldPtrArray pvFields;
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String extendsStructureName;
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};
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PVStructurePvt::PVStructurePvt()
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: numberFields(0), pvFields(0),extendsStructureName("")
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{
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}
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PVStructurePvt::~PVStructurePvt()
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{
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for(int i=0; i<numberFields; i++) {
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delete pvFields[i];
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}
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delete[] pvFields;
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}
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static PVField *findSubField(String fieldName,PVStructure *pvStructure);
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PVStructure::PVStructure(PVStructure *parent,StructureConstPtr structurePtr)
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: PVField(parent,structurePtr),pImpl(new PVStructurePvt())
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{
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int numberFields = structurePtr->getNumberFields();
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FieldConstPtrArray fields = structurePtr->getFields();
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pImpl->numberFields = numberFields;
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pImpl->pvFields = new PVFieldPtr[numberFields];
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PVFieldPtrArray pvFields = pImpl->pvFields;
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PVDataCreate *pvDataCreate = getPVDataCreate();
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for(int i=0; i<numberFields; i++) {
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FieldConstPtr field = fields[i];
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switch(field->getType()) {
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case scalar: {
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ScalarConstPtr scalar = (ScalarConstPtr)field;
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pvFields[i] = pvDataCreate->createPVScalar(this,
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field->getFieldName(),scalar->getScalarType());
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break;
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}
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case scalarArray: {
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ScalarArrayConstPtr array = (ScalarArrayConstPtr)field;
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ScalarType elementType = array->getElementType();
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pvFields[i] = pvDataCreate->createPVScalarArray(this,
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field->getFieldName(),elementType);
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break;
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}
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case structure: {
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StructureConstPtr structPtr = (StructureConstPtr)field;
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int numberFields = structPtr->getNumberFields();
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pvFields[i] = pvDataCreate->createPVStructure(this,
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field->getFieldName(), numberFields,structPtr->getFields());
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break;
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}
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case structureArray: {
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StructureArrayConstPtr structArray = (StructureArrayConstPtr)field;
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pvFields[i] = pvDataCreate->createPVStructureArray(this,
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structArray);
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break;
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}
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}
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}
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}
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PVStructure::~PVStructure()
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{
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delete pImpl;
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}
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StructureConstPtr PVStructure::getStructure()
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{
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return (StructureConstPtr)PVField::getField();
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}
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PVFieldPtrArray PVStructure::getPVFields()
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{
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return pImpl->pvFields;
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}
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PVFieldPtr PVStructure::getSubField(String fieldName)
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{
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return findSubField(fieldName,this);
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}
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PVFieldPtr PVStructure::getSubField(int fieldOffset)
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{
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if(fieldOffset<=getFieldOffset()) {
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if(fieldOffset==getFieldOffset()) return this;
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return 0;
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}
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if(fieldOffset>getNextFieldOffset()) return 0;
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int numFields = pImpl->numberFields;
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PVFieldPtrArray pvFields = pImpl->pvFields;
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for(int i=0; i<numFields; i++) {
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PVField *pvField = pvFields[i];
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if(pvField->getFieldOffset()==fieldOffset) return pvField;
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if(pvField->getNextFieldOffset()<=fieldOffset) continue;
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if(pvField->getField()->getType()==structure) {
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return ((PVStructure*)pvField)->getSubField(fieldOffset);
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}
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}
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String message("PVStructure.getSubField: Logic error");
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throw std::logic_error(message);
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}
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void PVStructure::appendPVField(PVFieldPtr pvField)
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{
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int origLength = pImpl->numberFields;
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PVFieldPtrArray oldPVFields = pImpl->pvFields;
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PVFieldPtrArray newPVFields = new PVFieldPtr[origLength + 1];
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for(int i=0; i<origLength; i++) {
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newPVFields[i] = oldPVFields[i];
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}
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// note that origLength IS new element
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newPVFields[origLength] = pvField;
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delete[] pImpl->pvFields;
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pImpl->pvFields = newPVFields;
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pImpl->numberFields = origLength + 1;
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PVField::replaceStructure(this);
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}
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void PVStructure::appendPVFields(int numberNewFields,PVFieldPtrArray pvFields)
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{
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int origLength = pImpl->numberFields;
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PVFieldPtrArray oldPVFields = pImpl->pvFields;
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int numberFields = origLength + numberNewFields;
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PVFieldPtrArray newPVFields = new PVFieldPtr[numberFields];
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for(int i=0; i<origLength; i++) {
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newPVFields[i] = oldPVFields[i];
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}
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for(int i=0; i<numberNewFields; i++) {
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newPVFields[i+origLength] = pvFields[i];
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}
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delete[] pImpl->pvFields;
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pImpl->pvFields = newPVFields;
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pImpl->numberFields = numberFields;
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PVField::replaceStructure(this);
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}
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void PVStructure::removePVField(String fieldName)
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{
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PVField *pvField = getSubField(fieldName);
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if(pvField==0) {
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String message("removePVField ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return;
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}
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int origLength = pImpl->numberFields;
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int newLength = origLength - 1;
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PVFieldPtrArray origPVFields = pImpl->pvFields;
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PVFieldPtrArray newPVFields = new PVFieldPtr[newLength];
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int newIndex = 0;
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for(int i=0; i<origLength; i++) {
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if(origPVFields[i]==pvField) continue;
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newPVFields[newIndex++] = origPVFields[i];
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}
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delete[] pImpl->pvFields;
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pImpl->pvFields = newPVFields;
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pImpl->numberFields = newLength;
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PVField::replaceStructure(this);
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}
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PVBoolean *PVStructure::getBooleanField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvBoolean) {
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return (PVBoolean*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type boolean ";
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this->message(message, errorMessage);
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return 0;
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}
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PVByte *PVStructure::getByteField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvByte) {
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return (PVByte*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type byte ";
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this->message(message, errorMessage);
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return 0;
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}
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PVShort *PVStructure::getShortField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvShort) {
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return (PVShort*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type short ";
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this->message(message, errorMessage);
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return 0;
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}
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PVInt *PVStructure::getIntField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvInt) {
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return (PVInt*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type int ";
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this->message(message, errorMessage);
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return 0;
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}
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PVLong *PVStructure::getLongField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvLong) {
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return (PVLong*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type long ";
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this->message(message, errorMessage);
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return 0;
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}
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PVFloat *PVStructure::getFloatField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvFloat) {
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return (PVFloat*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type float ";
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this->message(message, errorMessage);
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return 0;
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}
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PVDouble *PVStructure::getDoubleField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvDouble) {
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return (PVDouble*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type double ";
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this->message(message, errorMessage);
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return 0;
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}
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PVString *PVStructure::getStringField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==scalar) {
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ScalarConstPtr scalar = (ScalarConstPtr)pvField->getField();
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if(scalar->getScalarType()==pvString) {
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return (PVString*)pvField;
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}
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}
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String message("fieldName ");
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message += fieldName + " does not have type string ";
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this->message(message, errorMessage);
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return 0;
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}
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PVStructure *PVStructure::getStructureField(String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==structure) {
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return((PVStructure *)pvField);
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}
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String message("fieldName ");
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message += fieldName + " does not have type structure ";
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this->message(message, errorMessage);
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return 0;
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}
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PVScalarArray *PVStructure::getScalarArrayField(
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String fieldName,ScalarType elementType)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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FieldConstPtr field = pvField->getField();
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Type type = field->getType();
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if(type!=scalarArray) {
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String message("fieldName ");
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message += fieldName + " does not have type array ";
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this->message(message, errorMessage);
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return 0;
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}
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ScalarArrayConstPtr array = (ScalarArrayConstPtr)field;
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if(array->getElementType()!=elementType) {
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String message("fieldName ");
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message += fieldName + " is array but does not have elementType ";
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ScalarTypeFunc::toString(&message,elementType);
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this->message(message, errorMessage);
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return 0;
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}
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return (PVScalarArray*)pvField;
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}
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PVStructureArray *PVStructure::getStructureArrayField(
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String fieldName)
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{
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PVField *pvField = findSubField(fieldName,this);
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if(pvField==0) {
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String message("fieldName ");
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message += fieldName + " does not exist";
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this->message(message, errorMessage);
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return 0;
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}
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if(pvField->getField()->getType()==structureArray) {
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return((PVStructureArray *)pvField);
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}
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String message("fieldName ");
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message += fieldName + " does not have type structureArray ";
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this->message(message, errorMessage);
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return 0;
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}
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String PVStructure::getExtendsStructureName()
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{
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return pImpl->extendsStructureName;
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}
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bool PVStructure::putExtendsStructureName(
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String extendsStructureName)
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{
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if(pImpl->extendsStructureName.length()!=0) return false;
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pImpl->extendsStructureName = extendsStructureName;
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return true;
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}
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void PVStructure::toStringPvt(StringBuilder builder,int indentLevel) {
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Convert *convert = getConvert();
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PVField::toString(builder,indentLevel);
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if(pImpl->extendsStructureName.length()>0) {
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*builder += " extends ";
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*builder += pImpl->extendsStructureName;
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}
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convert->newLine(builder,indentLevel);
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*builder += "{";
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int nFields = pImpl->numberFields;
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PVFieldPtrArray pvFields = pImpl->pvFields;
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for(int i=0; i < nFields; i++) {
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PVField *pvField = pvFields[i];
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convert->newLine(builder,indentLevel + 1);
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FieldConstPtr field = pvField->getField();
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*builder += field->getFieldName() + " = ";
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pvField->toString(builder,indentLevel+1);
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}
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convert->newLine(builder,indentLevel);
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*builder += "}";
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}
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void PVStructure::toString(StringBuilder buf)
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{
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*buf += "structure ";
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*buf += getField()->getFieldName();
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toStringPvt(buf,0);
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}
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void PVStructure::toString(StringBuilder buf,int indentLevel)
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{
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*buf += "structure ";
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toStringPvt(buf,0);
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}
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void PVStructure::serialize(
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ByteBuffer *pbuffer,SerializableControl *pflusher)
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{
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throw std::logic_error(notImplemented);
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}
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void PVStructure::deserialize(
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ByteBuffer *pbuffer,DeserializableControl *pflusher)
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{
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throw std::logic_error(notImplemented);
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}
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void PVStructure::serialize(ByteBuffer *pbuffer,
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SerializableControl *pflusher, int offset, int count)
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{
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throw std::logic_error(notImplemented);
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}
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void PVStructure::serialize(ByteBuffer *pbuffer,
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SerializableControl *pflusher,BitSet *pbitSet)
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{
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throw std::logic_error(notImplemented);
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}
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void PVStructure::deserialize(ByteBuffer *pbuffer,
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DeserializableControl*pflusher,BitSet *pbitSet)
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{
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throw std::logic_error(notImplemented);
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}
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bool PVStructure::operator==(PVField *obj)
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{
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PVStructure *b = dynamic_cast<PVStructure *>(obj);
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if(b==0) return false;
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PVFieldPtrArray bFields = b->getPVFields();
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PVFieldPtrArray pvFields = pImpl->pvFields;
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int len = b->getNumberFields();
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if (len == pImpl->numberFields) {
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for (int i = 0; i < len; i++) {
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if (!(pvFields[i]==bFields[i])) return false;
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}
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}
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return true;
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}
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bool PVStructure::operator!=(PVField *pv)
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{
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return !(this==pv);
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}
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static PVField *findSubField(String fieldName,PVStructure *pvStructure) {
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if( fieldName.length()<1) return 0;
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String::size_type index = fieldName.find('.');
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String name = fieldName;
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String restOfName = String();
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if(index>0) {
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name = fieldName.substr(0, index);
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if(fieldName.length()>index) {
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restOfName = fieldName.substr(index+1);
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}
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}
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PVFieldPtrArray pvFields = pvStructure->getPVFields();
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PVField *pvField = 0;
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int numFields = pvStructure->getStructure()->getNumberFields();
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for(int i=0; i<numFields; i++) {
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PVField *pvf = pvFields[i];
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int result = pvf->getField()->getFieldName().compare(name);
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if(result==0) {
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pvField = pvf;
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break;
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}
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}
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if(pvField==0) return 0;
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if(restOfName.length()==0) return pvField;
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if(pvField->getField()->getType()!=structure) return 0;
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return findSubField(restOfName,(PVStructure*)pvField);
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}
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class BasePVStructure : public PVStructure {
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|
public:
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BasePVStructure(PVStructure *parent,StructureConstPtr structure);
|
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~BasePVStructure();
|
|
private:
|
|
};
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BasePVStructure::BasePVStructure(PVStructure *parent,StructureConstPtr structure)
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|
: PVStructure(parent,structure) {}
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|
|
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BasePVStructure::~BasePVStructure() {}
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|
|
|
}}
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#endif /* BASEPVSTRUCTURE_H */
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