Files
pvData/pvDataApp/factory/StandardPVField.cpp
2011-06-07 08:30:15 -04:00

354 lines
12 KiB
C++

/* StandardPVField.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 <stdexcept>
#include <epicsThread.h>
#include <epicsExit.h>
#include <pv/lock.h>
#include <pv/pvIntrospect.h>
#include <pv/pvData.h>
#include <pv/convert.h>
#include <pv/standardField.h>
#include <pv/standardPVField.h>
#include <pv/CDRMonitor.h>
namespace epics { namespace pvData {
static StandardField *standardField = 0;
static String notImplemented("not implemented");
static FieldCreate* fieldCreate = 0;
static PVDataCreate* pvDataCreate = 0;
static StandardPVField *standardPVField = 0;
static void addExtendsStructureName(PVStructure *pvStructure,String properties)
{
bool gotAlarm = false;
bool gotTimeStamp = false;
bool gotDisplay = false;
bool gotControl = false;
if(properties.find("alarm")!=String::npos) gotAlarm = true;
if(properties.find("timeStamp")!=String::npos) gotTimeStamp = true;
if(properties.find("display")!=String::npos) gotDisplay = true;
if(properties.find("control")!=String::npos) gotControl = true;
if(gotAlarm) {
PVStructure *pv = pvStructure->getStructureField(String("alarm"));
if(pv!=0) pv->putExtendsStructureName(String("alarm"));
}
if(gotTimeStamp) {
PVStructure *pv = pvStructure->getStructureField(String("timeStamp"));
if(pv!=0) pv->putExtendsStructureName(String("timeStamp"));
}
if(gotDisplay) {
PVStructure *pv = pvStructure->getStructureField(String("display"));
if(pv!=0) pv->putExtendsStructureName(String("display"));
}
if(gotControl) {
PVStructure *pv = pvStructure->getStructureField(String("control"));
if(pv!=0) pv->putExtendsStructureName(String("control"));
}
}
StandardPVField::StandardPVField(){}
StandardPVField::~StandardPVField(){}
PVScalar * StandardPVField::scalar(PVStructure *parent,
String fieldName,ScalarType type)
{
ScalarConstPtr field = standardField->scalar(fieldName,type);
return pvDataCreate->createPVScalar(parent,field);
}
PVStructure * StandardPVField::scalar(PVStructure *parent,
String fieldName,ScalarType type,String properties)
{
StructureConstPtr field = standardField->scalar(fieldName,type,properties);
PVStructure * pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
return pvStructure;
}
PVScalarArray * StandardPVField::scalarArray(PVStructure *parent,
String fieldName,ScalarType elementType)
{
ScalarArrayConstPtr field = standardField->scalarArray(
fieldName,elementType);
return pvDataCreate->createPVScalarArray(parent,field);
}
PVStructure * StandardPVField::scalarArray(PVStructure *parent,
String fieldName,ScalarType elementType, String properties)
{
StructureConstPtr field = standardField->scalarArray(
fieldName,elementType,properties);
PVStructure * pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
return pvStructure;
}
PVStructureArray * StandardPVField::structureArray(PVStructure *parent,
String fieldName,StructureConstPtr structure)
{
StructureArrayConstPtr field = standardField->structureArray(
fieldName,structure);
return pvDataCreate->createPVStructureArray(parent,field);
}
PVStructure* StandardPVField::structureArray(PVStructure *parent,
String fieldName,StructureConstPtr structure,String properties)
{
StructureConstPtr field = standardField->structureArray(
fieldName,structure,properties);
PVStructure * pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
return pvStructure;
}
PVStructure * StandardPVField::enumerated(PVStructure *parent,
String fieldName,StringArray choices,int number)
{
StructureConstPtr field = standardField->enumerated(fieldName);
PVStructure *pvStructure = pvDataCreate->createPVStructure(parent,field);
PVScalarArray *pvScalarArray = pvStructure->getScalarArrayField(
"choices",pvString);
if(pvScalarArray==0) {
throw std::logic_error(String("StandardPVField::enumerated"));
}
PVStringArray *pvChoices = static_cast<PVStringArray *>(pvScalarArray);
pvChoices->put(0,number,choices,0);
return pvStructure;
}
PVStructure * StandardPVField::enumerated(PVStructure *parent,
String fieldName,StringArray choices,int number, String properties)
{
StructureConstPtr field = standardField->enumerated(
fieldName,properties);
PVStructure *pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
PVScalarArray *pvScalarArray = pvStructure->getScalarArrayField(
fieldName += ".choices",pvString);
if(pvScalarArray==0) {
throw std::logic_error(String("StandardPVField::enumerated"));
}
PVStringArray *pvChoices = static_cast<PVStringArray *>(pvScalarArray);
pvChoices->put(0,number,choices,0);
return pvStructure;
}
PVScalar * StandardPVField::scalarValue(PVStructure *parent,
ScalarType scalarType)
{
ScalarConstPtr field = standardField->scalarValue(scalarType);
return pvDataCreate->createPVScalar(parent,field);
}
PVStructure * StandardPVField::scalarValue(PVStructure *parent,
ScalarType type,String properties)
{
StructureConstPtr field = standardField->scalarValue(type,properties);
PVStructure * pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
return pvStructure;
}
PVScalarArray * StandardPVField::scalarArrayValue(PVStructure *parent,
ScalarType elementType)
{
ScalarArrayConstPtr scalarArray =
standardField->scalarArrayValue(elementType);
return pvDataCreate->createPVScalarArray(0,scalarArray);
}
PVStructure * StandardPVField::scalarArrayValue(PVStructure *parent,
ScalarType elementType, String properties)
{
StructureConstPtr field = standardField->scalarArrayValue(
elementType,properties);
PVStructure * pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
return pvStructure;
}
PVStructureArray * StandardPVField::structureArrayValue(PVStructure *parent,
StructureConstPtr structure)
{
StructureArrayConstPtr field = standardField->structureArrayValue(
structure);
return pvDataCreate->createPVStructureArray(parent,field);
}
PVStructure * StandardPVField::structureArrayValue(PVStructure *parent,
StructureConstPtr structure,String properties)
{
StructureConstPtr field = standardField->structureArrayValue(
structure,properties);
PVStructure * pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
return pvStructure;
}
PVStructure * StandardPVField::enumeratedValue(PVStructure *parent,
StringArray choices,int number)
{
StructureConstPtr field = standardField->enumeratedValue();
PVStructure *pvStructure = pvDataCreate->createPVStructure(parent,field);
PVScalarArray *pvScalarArray = pvStructure->getScalarArrayField(
"choices",pvString);
if(pvScalarArray==0) {
throw std::logic_error(String("StandardPVField::enumerated"));
}
PVStringArray *pvChoices = static_cast<PVStringArray *>(pvScalarArray);
pvChoices->put(0,number,choices,0);
return pvStructure;
}
PVStructure * StandardPVField::enumeratedValue(PVStructure *parent,
StringArray choices, int number,String properties)
{
StructureConstPtr field = standardField->enumeratedValue( properties);
PVStructure *pvStructure = pvDataCreate->createPVStructure(parent,field);
addExtendsStructureName(pvStructure,properties);
PVScalarArray *pvScalarArray = pvStructure->getScalarArrayField(
String("value.choices"),pvString);
if(pvScalarArray==0) {
throw std::logic_error(String("StandardPVField::enumerated"));
}
PVStringArray *pvChoices = static_cast<PVStringArray *>(pvScalarArray);
pvChoices->put(0,number,choices,0);
return pvStructure;
}
PVStructure * StandardPVField::alarm(PVStructure *parent)
{
StructureConstPtr field = standardField->alarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::timeStamp(PVStructure *parent)
{
StructureConstPtr field = standardField->timeStamp();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::display(PVStructure *parent)
{
StructureConstPtr field = standardField->display();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::control(PVStructure *parent)
{
StructureConstPtr field = standardField->control();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::booleanAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->booleanAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::byteAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->byteAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::shortAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->shortAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::intAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->intAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::longAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->longAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::floatAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->floatAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::doubleAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->doubleAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::enumeratedAlarm(PVStructure *parent)
{
StructureConstPtr field = standardField->enumeratedAlarm();
return pvDataCreate->createPVStructure(parent,field);
}
PVStructure * StandardPVField::powerSupply(PVStructure *parent)
{
StructureConstPtr alarmField = standardField->alarm();
StructureConstPtr timeStampField = standardField->timeStamp();
StructureConstPtr voltageField = standardField->scalar(
String("voltage"),pvDouble,String("alarm"));
StructureConstPtr powerField = standardField->scalar(
String("power"),pvDouble,String("alarm"));
StructureConstPtr currentField = standardField->scalar(
String("current"),pvDouble,String("alarm"));
FieldConstPtr fields[3];
fields[0] = voltageField;
fields[1] = powerField;
fields[2] = currentField;
StructureConstPtr valueField = standardField->structureValue( 3,fields);
fields[0] = alarmField;
fields[1] = timeStampField;
fields[2] = valueField;
StructureConstPtr structureField = standardField->structureValue(3,fields);
return pvDataCreate->createPVStructure(parent,structureField);
}
class StandardPVFieldExt : public StandardPVField {
public:
StandardPVFieldExt(): StandardPVField(){};
};
static void myDeleteStatic(void*)
{
delete standardPVField;
}
static void myInitStatic(void*)
{
fieldCreate = getFieldCreate();
pvDataCreate = getPVDataCreate();
standardField = getStandardField();
standardPVField = new StandardPVFieldExt();
epicsAtExit(&myDeleteStatic, 0);
}
static
epicsThreadOnceId myInitOnce = EPICS_THREAD_ONCE_INIT;
StandardPVField * getStandardPVField() {
epicsThreadOnce(&myInitOnce, &myInitStatic, 0);
return standardPVField;
}
}}