102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/* StandardPVField.cpp */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvData is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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/**
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* @author mrk
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*/
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#include <string>
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#include <stdexcept>
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#include <epicsThread.h>
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#include <epicsExit.h>
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#include <pv/lock.h>
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#include <pv/pvIntrospect.h>
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#include <pv/pvData.h>
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#include <pv/convert.h>
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#include <pv/standardField.h>
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#include <pv/standardPVField.h>
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namespace epics { namespace pvData {
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StandardPVField::StandardPVField()
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: standardField(getStandardField()),
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fieldCreate(getFieldCreate()),
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pvDataCreate(getPVDataCreate()),
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notImplemented("not implemented")
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{}
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StandardPVField::~StandardPVField(){}
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PVStructurePtr StandardPVField::scalar(
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ScalarType type,String const & properties)
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{
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StructureConstPtr field = standardField->scalar(type,properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::scalarArray(
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ScalarType elementType, String const & properties)
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{
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StructureConstPtr field = standardField->scalarArray(elementType,properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::structureArray(
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StructureConstPtr const & structure,String const & properties)
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{
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StructureConstPtr field = standardField->structureArray(structure,properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::enumerated(StringArray const &choices)
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{
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StructureConstPtr field = standardField->enumerated();
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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PVScalarArrayPtr pvScalarArray = pvStructure->getScalarArrayField(
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"choices",pvString);
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if(pvScalarArray.get()==NULL) {
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throw std::logic_error(String("StandardPVField::enumerated"));
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}
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PVStringArray * pvChoices = static_cast<PVStringArray *>(pvScalarArray.get());
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pvChoices->put(0,choices.size(),get(choices),0);
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return pvStructure;
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}
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PVStructurePtr StandardPVField::enumerated(
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StringArray const &choices,String const & properties)
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{
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StructureConstPtr field = standardField->enumerated(properties);
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PVStructurePtr pvStructure = pvDataCreate->createPVStructure(field);
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PVScalarArrayPtr pvScalarArray = pvStructure->getScalarArrayField(
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"value.choices",pvString);
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if(pvScalarArray.get()==NULL) {
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throw std::logic_error(String("StandardPVField::enumerated"));
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}
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PVStringArray * pvChoices = static_cast<PVStringArray *>(pvScalarArray.get());
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pvChoices->put(0,choices.size(),get(choices),0);
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return pvStructure;
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}
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StandardPVFieldPtr StandardPVField::getStandardPVField()
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{
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static StandardPVFieldPtr standardPVField;
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static Mutex mutex;
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Lock xx(mutex);
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if(standardPVField.get()==NULL) {
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standardPVField= StandardPVFieldPtr(new StandardPVField());
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}
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return standardPVField;
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}
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StandardPVFieldPtr getStandardPVField() {
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return StandardPVField::getStandardPVField();
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}
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}}
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