Files
pvData/pvDataApp/factory/StandardField.cpp
2012-08-17 06:45:20 -04:00

652 lines
22 KiB
C++

/* StandardField.cpp */
/**
* Copyright - See the COPYRIGHT that is included with this distribution.
* EPICS pvDataCPP is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
*/
#include <string>
#include <cstdio>
#include <stdexcept>
#include <epicsThread.h>
#include <epicsExit.h>
#include <pv/lock.h>
#include <pv/pvIntrospect.h>
#include <pv/standardField.h>
using std::tr1::static_pointer_cast;
namespace epics { namespace pvData {
static String notImplemented("not implemented");
static FieldCreatePtr fieldCreate;
static String valueFieldName("value");
// following are preallocated structures
static StructureConstPtr alarmField;
static StructureConstPtr timeStampField;
static StructureConstPtr displayField;
static StructureConstPtr controlField;
static StructureConstPtr booleanAlarmField;
static StructureConstPtr byteAlarmField;
static StructureConstPtr shortAlarmField;
static StructureConstPtr intAlarmField;
static StructureConstPtr longAlarmField;
static StructureConstPtr ubyteAlarmField;
static StructureConstPtr ushortAlarmField;
static StructureConstPtr uintAlarmField;
static StructureConstPtr ulongAlarmField;
static StructureConstPtr floatAlarmField;
static StructureConstPtr doubleAlarmField;
static StructureConstPtr enumeratedAlarmField;
static void createAlarm() {
size_t num = 3;
FieldConstPtrArray fields(num);
StringArray names(num);
names[0] = "severity";
names[1] = "status";
names[2] = "message";
fields[0] = fieldCreate->createScalar(pvInt);
fields[1] = fieldCreate->createScalar(pvInt);
fields[2] = fieldCreate->createScalar(pvString);
alarmField = fieldCreate->createStructure("alarm_t",names,fields);
}
static void createTimeStamp() {
size_t num = 3;
FieldConstPtrArray fields(num);
StringArray names(num);
names[0] = "secondsPastEpoch";
names[1] = "nanoSeconds";
names[2] = "userTag";
fields[0] = fieldCreate->createScalar(pvLong);
fields[1] = fieldCreate->createScalar(pvInt);
fields[2] = fieldCreate->createScalar(pvInt);
timeStampField = fieldCreate->createStructure("timeStamp_t",names,fields);
}
static void createDisplay() {
size_t num = 5;
FieldConstPtrArray fields(num);
StringArray names(num);
names[0] = "limitLow";
names[1] = "limitHigh";
names[2] = "description";
names[3] = "format";
names[4] = "units";
fields[0] = fieldCreate->createScalar(pvDouble);
fields[1] = fieldCreate->createScalar(pvDouble);
fields[2] = fieldCreate->createScalar(pvString);
fields[3] = fieldCreate->createScalar(pvString);
fields[4] = fieldCreate->createScalar(pvString);
displayField = fieldCreate->createStructure("display_t",names,fields);
}
static void createControl() {
size_t num = 3;
FieldConstPtrArray fields(num);
StringArray names(num);
names[0] = "limitLow";
names[1] = "limitHigh";
names[2] = "minStep";
fields[0] = fieldCreate->createScalar(pvDouble);
fields[1] = fieldCreate->createScalar(pvDouble);
fields[2] = fieldCreate->createScalar(pvDouble);
controlField = fieldCreate->createStructure("control_t",names,fields);
}
static void createBooleanAlarm() {
size_t numFields = 4;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "falseSeverity";
names[2] = "trueSeverity";
names[3] = "changeStateSeverity";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvInt);
fields[2] = fieldCreate->createScalar(pvInt);
fields[3] = fieldCreate->createScalar(pvInt);
booleanAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createByteAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvByte);
fields[2] = fieldCreate->createScalar(pvByte);
fields[3] = fieldCreate->createScalar(pvByte);
fields[4] = fieldCreate->createScalar(pvByte);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvByte);
byteAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createShortAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvShort);
fields[2] = fieldCreate->createScalar(pvShort);
fields[3] = fieldCreate->createScalar(pvShort);
fields[4] = fieldCreate->createScalar(pvShort);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvShort);
shortAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createIntAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvInt);
fields[2] = fieldCreate->createScalar(pvInt);
fields[3] = fieldCreate->createScalar(pvInt);
fields[4] = fieldCreate->createScalar(pvInt);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvInt);
intAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createLongAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvLong);
fields[2] = fieldCreate->createScalar(pvLong);
fields[3] = fieldCreate->createScalar(pvLong);
fields[4] = fieldCreate->createScalar(pvLong);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvLong);
longAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createUByteAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvUByte);
fields[2] = fieldCreate->createScalar(pvUByte);
fields[3] = fieldCreate->createScalar(pvUByte);
fields[4] = fieldCreate->createScalar(pvUByte);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvUByte);
ubyteAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createUShortAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvUShort);
fields[2] = fieldCreate->createScalar(pvUShort);
fields[3] = fieldCreate->createScalar(pvUShort);
fields[4] = fieldCreate->createScalar(pvUShort);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvUShort);
ushortAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createUIntAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvUInt);
fields[2] = fieldCreate->createScalar(pvUInt);
fields[3] = fieldCreate->createScalar(pvUInt);
fields[4] = fieldCreate->createScalar(pvUInt);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvUInt);
uintAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createULongAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvULong);
fields[2] = fieldCreate->createScalar(pvULong);
fields[3] = fieldCreate->createScalar(pvULong);
fields[4] = fieldCreate->createScalar(pvULong);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvULong);
ulongAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createFloatAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvFloat);
fields[2] = fieldCreate->createScalar(pvFloat);
fields[3] = fieldCreate->createScalar(pvFloat);
fields[4] = fieldCreate->createScalar(pvFloat);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvFloat);
floatAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createDoubleAlarm() {
size_t numFields = 10;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "lowAlarmLimit";
names[2] = "lowWarningLimit";
names[3] = "highWarningLimit";
names[4] = "highAlarmLimit";
names[5] = "lowAlarmSeverity";
names[6] = "lowWarningSeverity";
names[7] = "highWarningSeverity";
names[8] = "highAlarmSeverity";
names[9] = "hystersis";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvDouble);
fields[2] = fieldCreate->createScalar(pvDouble);
fields[3] = fieldCreate->createScalar(pvDouble);
fields[4] = fieldCreate->createScalar(pvDouble);
fields[5] = fieldCreate->createScalar(pvInt);
fields[6] = fieldCreate->createScalar(pvInt);
fields[7] = fieldCreate->createScalar(pvInt);
fields[8] = fieldCreate->createScalar(pvInt);
fields[9] = fieldCreate->createScalar(pvDouble);
doubleAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static void createEnumeratedAlarm() {
size_t numFields = 3;
FieldConstPtrArray fields(numFields);
StringArray names(numFields);
names[0] = "active";
names[1] = "stateSeverity";
names[2] = "changeStateSeverity";
fields[0] = fieldCreate->createScalar(pvBoolean);
fields[1] = fieldCreate->createScalar(pvInt);
fields[2] = fieldCreate->createScalar(pvInt);
enumeratedAlarmField = fieldCreate->createStructure("valueAlarm_t",names,fields);
}
static StructureConstPtr 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==scalar) {
ScalarConstPtr scalar = static_pointer_cast<const Scalar>(field);
ScalarType scalarType = scalar->getScalarType();
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()==scalar
&& second->getType()==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);
}
StructureConstPtr StandardField::scalar(
ScalarType type,String properties)
{
ScalarConstPtr field = fieldCreate->createScalar(type);
return createProperties("scalar_t",field,properties);
}
StructureConstPtr StandardField::scalarArray(
ScalarType elementType, String properties)
{
ScalarArrayConstPtr field = fieldCreate->createScalarArray(elementType);
return createProperties("scalarArray_t",field,properties);
}
StructureConstPtr StandardField::structureArray(
StructureConstPtr const & structure,String properties)
{
StructureArrayConstPtr field = fieldCreate->createStructureArray(
structure);
return createProperties("structureArray_t",field,properties);
}
StructureConstPtr StandardField::enumerated()
{
size_t num = 2;
FieldConstPtrArray fields(num);
StringArray names(num);
names[0] = "index";
names[1] = "choices";
fields[0] = fieldCreate->createScalar(pvInt);
fields[1] = fieldCreate->createScalarArray(pvString);
return fieldCreate->createStructure("enumerated_t",names,fields);
}
StructureConstPtr StandardField::enumerated(String properties)
{
StructureConstPtr field = enumerated();
return createProperties("enumerated_t",field,properties);
}
StructureConstPtr StandardField::alarm()
{
return alarmField;
}
StructureConstPtr StandardField::timeStamp()
{
return timeStampField;
}
StructureConstPtr StandardField::display()
{
return displayField;
}
StructureConstPtr StandardField::control()
{
return controlField;
}
StructureConstPtr StandardField::booleanAlarm()
{
return booleanAlarmField;
}
StructureConstPtr StandardField::byteAlarm()
{
return byteAlarmField;
}
StructureConstPtr StandardField::ubyteAlarm()
{
return ubyteAlarmField;
}
StructureConstPtr StandardField::shortAlarm()
{
return shortAlarmField;
}
StructureConstPtr StandardField::ushortAlarm()
{
return ushortAlarmField;
}
StructureConstPtr StandardField::intAlarm()
{
return intAlarmField;
}
StructureConstPtr StandardField::uintAlarm()
{
return uintAlarmField;
}
StructureConstPtr StandardField::longAlarm()
{
return longAlarmField;
}
StructureConstPtr StandardField::ulongAlarm()
{
return ulongAlarmField;
}
StructureConstPtr StandardField::floatAlarm()
{
return floatAlarmField;
}
StructureConstPtr StandardField::doubleAlarm()
{
return doubleAlarmField;
}
StructureConstPtr StandardField::enumeratedAlarm()
{
return enumeratedAlarmField;
}
StandardFieldPtr StandardField::getStandardField()
{
static StandardFieldPtr standardFieldCreate;
static Mutex mutex;
Lock xx(mutex);
if(standardFieldCreate.get()==0)
{
fieldCreate = getFieldCreate();
createAlarm();
createTimeStamp();
createDisplay();
createControl();
createBooleanAlarm();
createByteAlarm();
createShortAlarm();
createIntAlarm();
createLongAlarm();
createUByteAlarm();
createUShortAlarm();
createUIntAlarm();
createULongAlarm();
createFloatAlarm();
createDoubleAlarm();
createEnumeratedAlarm();
standardFieldCreate = StandardFieldPtr(new StandardField());
}
return standardFieldCreate;
}
StandardField::StandardField(){}
StandardField::~StandardField(){}
StandardFieldPtr getStandardField() {
return StandardField::getStandardField();
}
}}