Files
normativeTypes/src/ntfield.cpp
2016-07-22 16:56:01 +01:00

343 lines
11 KiB
C++

/* ntfield.cpp */
/*
* Copyright information and license terms for this software can be
* found in the file LICENSE that is included with the distribution
*/
#include <pv/lock.h>
#define epicsExportSharedSymbols
#include <pv/ntfield.h>
using namespace epics::pvData;
using std::tr1::static_pointer_cast;
namespace epics { namespace nt {
NTFieldPtr NTField::get()
{
static Mutex mutex;
static NTFieldPtr ntstructureField;
Lock xx(mutex);
if(ntstructureField.get()==NULL) {
ntstructureField = NTFieldPtr(new NTField());
}
return ntstructureField;
}
NTField::NTField()
: fieldCreate(getFieldCreate()),
standardField(getStandardField())
{
}
bool NTField::isEnumerated(FieldConstPtr const & field)
{
if(field->getType()!=structure) return false;
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
FieldConstPtrArray fields = structurePtr->getFields();
StringArray names = structurePtr->getFieldNames();
size_t n = structurePtr->getNumberFields();
if(n!=2) return false;
FieldConstPtr f = fields[0];
if(names[0].compare("index")!=0) return false;
if(f->getType()!=scalar) return false;
ScalarConstPtr s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[1];
if(names[1].compare("choices")!=0) return false;
if(f->getType()!=scalarArray) return false;
ScalarConstPtr sa = static_pointer_cast<const Scalar>(f);
if(sa->getScalarType()!=pvString) return false;
return true;
}
bool NTField::isTimeStamp(FieldConstPtr const & field)
{
if(field->getType()!=structure) return false;
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
FieldConstPtrArray fields = structurePtr->getFields();
StringArray names = structurePtr->getFieldNames();
size_t n = structurePtr->getNumberFields();
if(n!=3) return false;
FieldConstPtr f = fields[0];
if(names[0].compare("secondsPastEpoch")!=0) return false;
if(f->getType()!=scalar) return false;
ScalarConstPtr s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvLong) return false;
f = fields[1];
if(names[1].compare("nanoseconds")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[2];
if(names[2].compare("userTag")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
return true;
}
bool NTField::isAlarm(FieldConstPtr const & field)
{
if(field->getType()!=structure) return false;
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
FieldConstPtrArray fields = structurePtr->getFields();
StringArray names = structurePtr->getFieldNames();
size_t n = structurePtr->getNumberFields();
if(n!=3) return false;
FieldConstPtr f = fields[0];
if(names[0].compare("severity")!=0) return false;
if(f->getType()!=scalar) return false;
ScalarConstPtr s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[1];
if(names[1].compare("status")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[2];
if(names[2].compare("message")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvString) return false;
return true;
}
bool NTField::isDisplay(FieldConstPtr const & field)
{
if(field->getType()!=structure) return false;
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
FieldConstPtrArray fields = structurePtr->getFields();
StringArray names = structurePtr->getFieldNames();
size_t n = structurePtr->getNumberFields();
if(n!=5) return false;
FieldConstPtr f = fields[0];
if(names[0].compare("limitLow")!=0) return false;
if(f->getType()!=scalar) return false;
ScalarConstPtr s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[1];
if(names[1].compare("limitHigh")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[2];
if(names[2].compare("description")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvString) return false;
f = fields[3];
if(names[3].compare("format")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvString) return false;
f = fields[4];
if(names[4].compare("units")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvString) return false;
return true;
}
bool NTField::isAlarmLimit(FieldConstPtr const & field)
{
if(field->getType()!=structure) return false;
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
FieldConstPtrArray fields = structurePtr->getFields();
StringArray names = structurePtr->getFieldNames();
size_t n = structurePtr->getNumberFields();
if(n!=10) return false;
FieldConstPtr f = fields[0];
if(names[0].compare("active")!=0) return false;
if(f->getType()!=scalar) return false;
ScalarConstPtr s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvBoolean) return false;
f = fields[1];
if(names[1].compare("lowAlarmLimit")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[2];
if(names[2].compare("lowWarningLimit")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[3];
if(names[3].compare("highWarningLimit")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[4];
if(names[4].compare("highAlarmLimit")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[5];
if(names[5].compare("lowAlarmSeverity")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[6];
if(names[6].compare("lowWarningSeverity")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[7];
if(names[7].compare("highWarningSeverity")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[8];
if(names[8].compare("highAlarmSeverity")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvInt) return false;
f = fields[9];
if(names[9].compare("hysteresis")!=0) return false;
if(f->getType()!=scalar) return false;
return true;
}
bool NTField::isControl(FieldConstPtr const & field)
{
if(field->getType()!=structure) return false;
StructureConstPtr structurePtr = static_pointer_cast<const Structure>(field);
FieldConstPtrArray fields = structurePtr->getFields();
StringArray names = structurePtr->getFieldNames();
size_t n = structurePtr->getNumberFields();
if(n!=3) return false;
FieldConstPtr f = fields[0];
if(names[0].compare("limitLow")!=0) return false;
if(f->getType()!=scalar) return false;
ScalarConstPtr s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[1];
if(names[1].compare("limitHigh")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
f = fields[2];
if(names[2].compare("minStep")!=0) return false;
if(f->getType()!=scalar) return false;
s = static_pointer_cast<const Scalar>(f);
if(s->getScalarType()!=pvDouble) return false;
return true;
}
StructureConstPtr NTField::createEnumerated()
{
return standardField->enumerated();
}
StructureConstPtr NTField::createTimeStamp()
{
return standardField->timeStamp();
}
StructureConstPtr NTField::createAlarm()
{
return standardField->alarm();
}
StructureConstPtr NTField::createDisplay()
{
return standardField->display();
}
StructureConstPtr NTField::createControl()
{
return standardField->control();
}
StructureArrayConstPtr NTField::createEnumeratedArray()
{
return fieldCreate->createStructureArray(createEnumerated());
}
StructureArrayConstPtr NTField::createTimeStampArray()
{
StructureConstPtr st = createTimeStamp();
return fieldCreate->createStructureArray(st);
}
StructureArrayConstPtr NTField::createAlarmArray()
{
StructureConstPtr st = createAlarm();
return fieldCreate->createStructureArray(st);
}
PVNTFieldPtr PVNTField::get()
{
static Mutex mutex;
static PVNTFieldPtr pvntstructureField;
Lock xx(mutex);
if(pvntstructureField.get()==NULL) {
pvntstructureField = PVNTFieldPtr(new PVNTField());
}
return pvntstructureField;
}
PVNTField::PVNTField()
: pvDataCreate(getPVDataCreate()),
standardField(getStandardField()),
standardPVField(getStandardPVField()),
ntstructureField(NTField::get())
{
}
PVStructurePtr PVNTField::createEnumerated(
StringArray const & choices)
{
return standardPVField->enumerated(choices);
}
PVStructurePtr PVNTField::createTimeStamp()
{
StructureConstPtr timeStamp = standardField->timeStamp();
return pvDataCreate->createPVStructure(timeStamp);
}
PVStructurePtr PVNTField::createAlarm()
{
StructureConstPtr alarm = standardField->alarm();
return pvDataCreate->createPVStructure(alarm);
}
PVStructurePtr PVNTField::createDisplay()
{
StructureConstPtr display = standardField->display();
return pvDataCreate->createPVStructure(display);
}
PVStructurePtr PVNTField::createControl()
{
StructureConstPtr control = standardField->control();
return pvDataCreate->createPVStructure(control);
}
PVStructureArrayPtr PVNTField::createEnumeratedArray()
{
StructureArrayConstPtr sa =
ntstructureField->createEnumeratedArray();
return pvDataCreate->createPVStructureArray(sa);
}
PVStructureArrayPtr PVNTField::createTimeStampArray()
{
StructureArrayConstPtr sa =
ntstructureField->createTimeStampArray();
return pvDataCreate->createPVStructureArray(sa);
}
PVStructureArrayPtr PVNTField::createAlarmArray()
{
StructureArrayConstPtr sa = ntstructureField->createAlarmArray();
return pvDataCreate->createPVStructureArray(sa);
}
}}