Files
pvData/pvDataApp/factory/BasePVStructure.h
2010-10-26 06:12:44 -04:00

553 lines
18 KiB
C++

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