Add NTMatrix including builder and unit tests
This commit is contained in:
Dave Hickin
@ -15,6 +15,7 @@ INC += nttable.h
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INC += ntmultiChannel.h
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INC += ntscalarMultiChannel.h
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INC += ntndarray.h
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INC += ntmatrix.h
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LIBSRCS += ntutils.cpp
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LIBSRCS += ntfield.cpp
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@ -25,6 +26,7 @@ LIBSRCS += nttable.cpp
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LIBSRCS += ntmultiChannel.cpp
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LIBSRCS += ntscalarMultiChannel.cpp
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LIBSRCS += ntndarray.cpp
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LIBSRCS += ntmatrix.cpp
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LIBRARY = nt
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@ -18,6 +18,7 @@
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#include <pv/ntndarray.h>
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#include <pv/ntmultiChannel.h>
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#include <pv/ntscalarMultiChannel.h>
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#include <pv/ntmatrix.h>
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#endif /* NT_H */
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228
src/nt/ntmatrix.cpp
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228
src/nt/ntmatrix.cpp
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@ -0,0 +1,228 @@
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/* ntmatrix.cpp */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvDataCPP 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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#define epicsExportSharedSymbols
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#include <pv/ntmatrix.h>
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#include <pv/ntutils.h>
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using namespace std;
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using namespace epics::pvData;
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namespace epics { namespace nt {
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static NTFieldPtr ntField = NTField::get();
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namespace detail {
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StructureConstPtr NTMatrixBuilder::createStructure()
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{
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FieldBuilderPtr builder =
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getFieldCreate()->createFieldBuilder()->
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setId(NTMatrix::URI)->
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addArray("value", pvDouble);
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if (dim)
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builder->addArray("dim", pvInt);
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if (descriptor)
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builder->add("descriptor", pvString);
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if (alarm)
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builder->add("alarm", ntField->createAlarm());
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if (timeStamp)
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builder->add("timeStamp", ntField->createTimeStamp());
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if (display)
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builder->add("display", ntField->createDisplay());
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size_t extraCount = extraFieldNames.size();
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for (size_t i = 0; i< extraCount; i++)
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builder->add(extraFieldNames[i], extraFields[i]);
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StructureConstPtr s = builder->createStructure();
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reset();
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return s;
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}
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NTMatrixBuilder::shared_pointer NTMatrixBuilder::addDim()
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{
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dim = true;
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return shared_from_this();
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}
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NTMatrixBuilder::shared_pointer NTMatrixBuilder::addDescriptor()
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{
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descriptor = true;
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return shared_from_this();
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}
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NTMatrixBuilder::shared_pointer NTMatrixBuilder::addAlarm()
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{
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alarm = true;
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return shared_from_this();
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}
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NTMatrixBuilder::shared_pointer NTMatrixBuilder::addTimeStamp()
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{
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timeStamp = true;
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return shared_from_this();
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}
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NTMatrixBuilder::shared_pointer NTMatrixBuilder::addDisplay()
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{
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display = true;
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return shared_from_this();
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}
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PVStructurePtr NTMatrixBuilder::createPVStructure()
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{
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return getPVDataCreate()->createPVStructure(createStructure());
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}
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NTMatrixPtr NTMatrixBuilder::create()
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{
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return NTMatrixPtr(new NTMatrix(createPVStructure()));
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}
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NTMatrixBuilder::NTMatrixBuilder()
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{
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reset();
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}
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void NTMatrixBuilder::reset()
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{
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dim = false;
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descriptor = false;
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alarm = false;
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timeStamp = false;
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display = false;
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extraFieldNames.clear();
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extraFields.clear();
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}
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NTMatrixBuilder::shared_pointer NTMatrixBuilder::add(string const & name, FieldConstPtr const & field)
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{
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extraFields.push_back(field); extraFieldNames.push_back(name);
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return shared_from_this();
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}
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}
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const std::string NTMatrix::URI("epics:nt/NTMatrix:1.0");
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NTMatrix::shared_pointer NTMatrix::wrap(PVStructurePtr const & structure)
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{
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if(!isCompatible(structure)) return shared_pointer();
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return wrapUnsafe(structure);
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}
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NTMatrix::shared_pointer NTMatrix::wrapUnsafe(PVStructurePtr const & structure)
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{
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return shared_pointer(new NTMatrix(structure));
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}
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bool NTMatrix::is_a(StructureConstPtr const & structure)
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{
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return NTUtils::is_a(structure->getID(), URI);
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}
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bool NTMatrix::isCompatible(PVStructurePtr const & pvStructure)
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{
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if(!pvStructure) return false;
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PVScalarArrayPtr pvValue = pvStructure->getSubField<PVScalarArray>("value");
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if(!pvValue) return false;
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PVFieldPtr pvField = pvStructure->getSubField("descriptor");
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if(pvField && !pvStructure->getSubField<PVString>("descriptor")) return false;
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pvField = pvStructure->getSubField("alarm");
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if(pvField && !ntField->isAlarm(pvField->getField())) return false;
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pvField = pvStructure->getSubField("timeStamp");
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if(pvField && !ntField->isTimeStamp(pvField->getField())) return false;
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pvField = pvStructure->getSubField("display");
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if(pvField && !ntField->isDisplay(pvField->getField())) return false;
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pvField = pvStructure->getSubField("control");
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if(pvField && !ntField->isControl(pvField->getField())) return false;
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return true;
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}
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NTMatrixBuilderPtr NTMatrix::createBuilder()
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{
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return NTMatrixBuilderPtr(new detail::NTMatrixBuilder());
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}
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bool NTMatrix::attachTimeStamp(PVTimeStamp &pvTimeStamp) const
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{
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PVStructurePtr ts = getTimeStamp();
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if (ts)
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return pvTimeStamp.attach(ts);
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else
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return false;
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}
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bool NTMatrix::attachAlarm(PVAlarm &pvAlarm) const
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{
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PVStructurePtr al = getAlarm();
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if (al)
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return pvAlarm.attach(al);
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else
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return false;
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}
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bool NTMatrix::attachDisplay(PVDisplay &pvDisplay) const
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{
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PVStructurePtr dp = getDisplay();
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if (dp)
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return pvDisplay.attach(dp);
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else
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return false;
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}
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PVStructurePtr NTMatrix::getPVStructure() const
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{
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return pvNTMatrix;
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}
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PVStringPtr NTMatrix::getDescriptor() const
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{
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return pvNTMatrix->getSubField<PVString>("descriptor");
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}
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PVStructurePtr NTMatrix::getTimeStamp() const
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{
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return pvNTMatrix->getSubField<PVStructure>("timeStamp");
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}
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PVStructurePtr NTMatrix::getAlarm() const
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{
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return pvNTMatrix->getSubField<PVStructure>("alarm");
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}
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PVStructurePtr NTMatrix::getDisplay() const
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{
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return pvNTMatrix->getSubField<PVStructure>("display");
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}
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PVDoubleArrayPtr NTMatrix::getValue() const
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{
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return pvValue;
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}
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PVIntArrayPtr NTMatrix::getDim() const
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{
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return pvNTMatrix->getSubField<PVIntArray>("dim");
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}
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NTMatrix::NTMatrix(PVStructurePtr const & pvStructure) :
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pvNTMatrix(pvStructure),
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pvValue(pvNTMatrix->getSubField<PVDoubleArray>("value"))
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{}
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}}
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260
src/nt/ntmatrix.h
Normal file
260
src/nt/ntmatrix.h
Normal file
@ -0,0 +1,260 @@
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/* ntmatrix.h */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvDataCPP 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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#ifndef NTMATRIX_H
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#define NTMATRIX_H
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#ifdef epicsExportSharedSymbols
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# define ntmatrixEpicsExportSharedSymbols
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# undef epicsExportSharedSymbols
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#endif
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#include <pv/pvDisplay.h>
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#ifdef ntmatrixEpicsExportSharedSymbols
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# define epicsExportSharedSymbols
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# undef ntmatrixEpicsExportSharedSymbols
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#endif
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#include <pv/ntfield.h>
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#include <shareLib.h>
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namespace epics { namespace nt {
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class NTMatrix;
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typedef std::tr1::shared_ptr<NTMatrix> NTMatrixPtr;
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namespace detail {
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/**
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* @brief Interface for in-line creating of NTMatrix.
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*
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* One instance can be used to create multiple instances.
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* An instance of this object must not be used concurrently (an object has a state).
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* @author dgh
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*/
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class epicsShareClass NTMatrixBuilder :
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public std::tr1::enable_shared_from_this<NTMatrixBuilder>
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{
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public:
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POINTER_DEFINITIONS(NTMatrixBuilder);
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/**
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* Add dimensionfield to the NTMatrix.
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* @return this instance of <b>NTMatrixBuilder</b>.
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*/
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shared_pointer addDim();
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/**
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* Add descriptor field to the NTMatrix.
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* @return this instance of <b>NTMatrixBuilder</b>.
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*/
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shared_pointer addDescriptor();
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/**
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* Add alarm structure to the NTMatrix.
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* @return this instance of <b>NTMatrixBuilder</b>.
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*/
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shared_pointer addAlarm();
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/**
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* Add timeStamp structure to the NTMatrix.
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* @return this instance of <b>NTMatrixBuilder</b>.
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*/
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shared_pointer addTimeStamp();
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/**
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* Add display structure to the NTMatrix.
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* @return this instance of <b>NTMatrixBuilder</b>.
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*/
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shared_pointer addDisplay();
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/**
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* Create a <b>Structure</b> that represents NTMatrix.
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* This resets this instance state and allows new instance to be created.
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* @return a new instance of <b>Structure</b>.
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*/
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epics::pvData::StructureConstPtr createStructure();
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/**
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* Create a <b>PVStructure</b> that represents NTMatrix.
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* This resets this instance state and allows new instance to be created.
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* @return a new instance of <b>PVStructure</b>.
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*/
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epics::pvData::PVStructurePtr createPVStructure();
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/**
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* Create a <b>NTMatrix</b> instance.
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* This resets this instance state and allows new instance to be created.
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* @return a new instance of <b>NTMatrix</b>.
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*/
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NTMatrixPtr create();
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/**
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* Add extra <b>Field</b> to the type.
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* @param name name of the field.
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* @param field a field to add.
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* @return this instance of <b>NTMatrixBuilder</b>.
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*/
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shared_pointer add(std::string const & name, epics::pvData::FieldConstPtr const & field);
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private:
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NTMatrixBuilder();
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void reset();
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bool dim;
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bool descriptor;
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bool alarm;
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bool timeStamp;
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bool display;
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// NOTE: this preserves order, however it does not handle duplicates
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epics::pvData::StringArray extraFieldNames;
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epics::pvData::FieldConstPtrArray extraFields;
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friend class ::epics::nt::NTMatrix;
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};
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}
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typedef std::tr1::shared_ptr<detail::NTMatrixBuilder> NTMatrixBuilderPtr;
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/**
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* @brief Convenience Class for NTMatrix
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*
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* @author dgh
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*/
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class epicsShareClass NTMatrix
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{
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public:
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POINTER_DEFINITIONS(NTMatrix);
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static const std::string URI;
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/**
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* Wrap (aka dynamic cast, or wrap) the structure to NTMatrix.
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* First isCompatible is called.
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* This method will nullptr if the structure is is not compatible.
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* This method will nullptr if the structure is nullptr.
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* @param structure The structure to wrap-ed (dynamic cast, wrapped) to NTMatrix.
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* @return NTMatrix instance on success, nullptr otherwise.
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*/
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static shared_pointer wrap(epics::pvData::PVStructurePtr const & structure);
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/**
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* Wrap (aka dynamic cast, or wrap) the structure to NTMultiChannel without checking for isCompatible
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* @param structure The structure to wrap-ed (dynamic cast, wrapped) to NTMatrix.
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* @return NTMatrix instance.
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*/
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static shared_pointer wrapUnsafe(epics::pvData::PVStructurePtr const & structure);
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/**
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* Is the structure an NTMatrix.
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* @param structure The structure to test.
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* @return (false,true) if (is not, is) an NTMatrix.
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*/
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static bool is_a(epics::pvData::StructureConstPtr const & structure);
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/**
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* Is the pvStructure compatible with NTMatrix..
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* This method introspects the fields to see if they are compatible.
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* @param pvStructure The pvStructure to test.
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* @return (false,true) if (is not, is) an NTMultiChannel.
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*/
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static bool isCompatible(
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epics::pvData::PVStructurePtr const &pvStructure);
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/**
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* Create a NTMatrix builder instance.
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* @return builder instance.
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*/
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static NTMatrixBuilderPtr createBuilder();
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/**
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* Destructor.
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*/
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~NTMatrix() {}
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/**
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* Attach a pvTimeStamp.
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* @param pvTimeStamp The pvTimeStamp that will be attached.
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* Does nothing if no timeStamp.
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* @return true if the operation was successfull (i.e. this instance has a timeStamp field), otherwise false.
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*/
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bool attachTimeStamp(epics::pvData::PVTimeStamp &pvTimeStamp) const;
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/**
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* Attach an pvAlarm.
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* @param pvAlarm The pvAlarm that will be attached.
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* Does nothing if no alarm.
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* @return true if the operation was successfull (i.e. this instance has a timeStamp field), otherwise false.
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*/
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bool attachAlarm(epics::pvData::PVAlarm &pvAlarm) const;
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/**
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* Attach an pvDisplay.
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* @param pvDisplay The pvDisplay that will be attached.
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* Does nothing if no display.
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* @return true if the operation was successfull (i.e. this instance has a display field), otherwise false.
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*/
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bool attachDisplay(epics::pvData::PVDisplay &pvDisplay) const;
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/**
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* Get the pvStructure.
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* @return PVStructurePtr.
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*/
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epics::pvData::PVStructurePtr getPVStructure() const;
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/**
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* Get the descriptor field.
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* @return The pvString or null if no function field.
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*/
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epics::pvData::PVStringPtr getDescriptor() const;
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/**
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* Get the timeStamp.
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* @return PVStructurePtr which may be null.
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*/
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epics::pvData::PVStructurePtr getTimeStamp() const;
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/**
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* Get the alarm.
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* @return PVStructurePtr which may be null.
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*/
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epics::pvData::PVStructurePtr getAlarm() const;
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/**
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* Get the display.
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* @return PVStructurePtr which may be null.
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*/
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epics::pvData::PVStructurePtr getDisplay() const;
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/**
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* Get the value field.
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* @return The PVDoubleArray for the values.
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*/
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epics::pvData::PVDoubleArrayPtr getValue() const;
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/**
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* Get the dim field.
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* @return The PVIntArray for the dim which may be null.
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*/
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epics::pvData::PVIntArrayPtr getDim() const;
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private:
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NTMatrix(epics::pvData::PVStructurePtr const & pvStructure);
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epics::pvData::PVStructurePtr pvNTMatrix;
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epics::pvData::PVDoubleArrayPtr pvValue;
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friend class detail::NTMatrixBuilder;
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};
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}}
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#endif /* NTMATRIX_H */
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@ -36,6 +36,10 @@ TESTPROD_HOST += ntndarrayTest
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ntndarrayTest_SRCS = ntndarrayTest.cpp
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TESTS += ntndarrayTest
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TESTPROD_HOST += ntmatrixTest
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ntmatrixTest_SRCS = ntmatrixTest.cpp
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TESTS += ntmatrixTest
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TESTPROD_HOST += ntutilsTest
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ntutilsTest_SRCS = ntutilsTest.cpp
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TESTS += ntutilsTest
|
||||
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211
test/nt/ntmatrixTest.cpp
Normal file
211
test/nt/ntmatrixTest.cpp
Normal file
@ -0,0 +1,211 @@
|
||||
/**
|
||||
* 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 <epicsUnitTest.h>
|
||||
#include <testMain.h>
|
||||
|
||||
#include <pv/nt.h>
|
||||
|
||||
using namespace epics::nt;
|
||||
using namespace epics::pvData;
|
||||
using std::tr1::dynamic_pointer_cast;
|
||||
|
||||
static FieldCreatePtr fieldCreate = getFieldCreate();
|
||||
|
||||
void test_builder()
|
||||
{
|
||||
testDiag("test_builder");
|
||||
|
||||
NTMatrixBuilderPtr builder = NTMatrix::createBuilder();
|
||||
testOk(builder.get() != 0, "Got builder");
|
||||
|
||||
StructureConstPtr structure = builder->
|
||||
//arrayValue(pvDouble)->
|
||||
addDim()->
|
||||
addDescriptor()->
|
||||
addAlarm()->
|
||||
addTimeStamp()->
|
||||
addDisplay()->
|
||||
add("extra1",fieldCreate->createScalar(pvString)) ->
|
||||
add("extra2",fieldCreate->createScalarArray(pvString)) ->
|
||||
createStructure();
|
||||
testOk1(structure.get() != 0);
|
||||
if (!structure)
|
||||
return;
|
||||
|
||||
testOk1(NTMatrix::is_a(structure));
|
||||
testOk1(structure->getID() == NTMatrix::URI);
|
||||
testOk1(structure->getNumberFields() == 8);
|
||||
testOk1(structure->getField("value").get() != 0);
|
||||
testOk1(structure->getField("dim").get() != 0);
|
||||
testOk1(structure->getField("descriptor").get() != 0);
|
||||
testOk1(structure->getField("alarm").get() != 0);
|
||||
testOk1(structure->getField("timeStamp").get() != 0);
|
||||
testOk1(structure->getField("display").get() != 0);
|
||||
|
||||
testOk(dynamic_pointer_cast<const ScalarArray>(structure->getField("value")).get() != 0 &&
|
||||
dynamic_pointer_cast<const ScalarArray>(structure->getField("value"))->getElementType() == pvDouble, "value type");
|
||||
|
||||
std::cout << *structure << std::endl;
|
||||
}
|
||||
|
||||
void test_ntmatrix()
|
||||
{
|
||||
testDiag("test_ntmatrix");
|
||||
|
||||
NTMatrixBuilderPtr builder = NTMatrix::createBuilder();
|
||||
testOk(builder.get() != 0, "Got builder");
|
||||
|
||||
NTMatrixPtr ntScalarArray = builder->
|
||||
//arrayValue(pvInt)->
|
||||
addDim()->
|
||||
addDescriptor()->
|
||||
addAlarm()->
|
||||
addTimeStamp()->
|
||||
addDisplay()->
|
||||
create();
|
||||
testOk1(ntScalarArray.get() != 0);
|
||||
|
||||
testOk1(ntScalarArray->getPVStructure().get() != 0);
|
||||
testOk1(ntScalarArray->getValue().get() != 0);
|
||||
testOk1(ntScalarArray->getDim().get() != 0);
|
||||
testOk1(ntScalarArray->getDescriptor().get() != 0);
|
||||
testOk1(ntScalarArray->getAlarm().get() != 0);
|
||||
testOk1(ntScalarArray->getTimeStamp().get() != 0);
|
||||
testOk1(ntScalarArray->getDisplay().get() != 0);
|
||||
|
||||
//
|
||||
// example how to set values
|
||||
//
|
||||
PVDoubleArray::svector newValues;
|
||||
newValues.push_back(1.0);
|
||||
newValues.push_back(2.0);
|
||||
newValues.push_back(8.0);
|
||||
|
||||
PVDoubleArrayPtr pvValueField = ntScalarArray->getValue();
|
||||
pvValueField->replace(freeze(newValues));
|
||||
|
||||
//
|
||||
// example how to get values
|
||||
//
|
||||
PVDoubleArray::const_svector values(pvValueField->view());
|
||||
|
||||
testOk1(values.size() == 3);
|
||||
testOk1(values[0] == 1.0);
|
||||
testOk1(values[1] == 2.0);
|
||||
testOk1(values[2] == 8.0);
|
||||
|
||||
//
|
||||
// timeStamp ops
|
||||
//
|
||||
PVTimeStamp pvTimeStamp;
|
||||
if (ntScalarArray->attachTimeStamp(pvTimeStamp))
|
||||
{
|
||||
testPass("timeStamp attach");
|
||||
|
||||
// example how to set current time
|
||||
TimeStamp ts;
|
||||
ts.getCurrent();
|
||||
pvTimeStamp.set(ts);
|
||||
|
||||
// example how to get EPICS time
|
||||
TimeStamp ts2;
|
||||
pvTimeStamp.get(ts2);
|
||||
testOk1(ts2.getEpicsSecondsPastEpoch() != 0);
|
||||
}
|
||||
else
|
||||
testFail("timeStamp attach fail");
|
||||
|
||||
//
|
||||
// alarm ops
|
||||
//
|
||||
PVAlarm pvAlarm;
|
||||
if (ntScalarArray->attachAlarm(pvAlarm))
|
||||
{
|
||||
testPass("alarm attach");
|
||||
|
||||
// example how to set an alarm
|
||||
Alarm alarm;
|
||||
alarm.setStatus(deviceStatus);
|
||||
alarm.setSeverity(minorAlarm);
|
||||
alarm.setMessage("simulation alarm");
|
||||
pvAlarm.set(alarm);
|
||||
}
|
||||
else
|
||||
testFail("alarm attach fail");
|
||||
|
||||
//
|
||||
// display ops
|
||||
//
|
||||
PVDisplay pvDisplay;
|
||||
if (ntScalarArray->attachDisplay(pvDisplay))
|
||||
{
|
||||
testPass("display attach");
|
||||
|
||||
// example how to set an display
|
||||
Display display;
|
||||
display.setLow(-15);
|
||||
display.setHigh(15);
|
||||
display.setDescription("This is a test scalar array");
|
||||
display.setFormat("%d");
|
||||
display.setUnits("A");
|
||||
pvDisplay.set(display);
|
||||
}
|
||||
else
|
||||
testFail("display attach fail");
|
||||
|
||||
//
|
||||
// set descriptor
|
||||
//
|
||||
ntScalarArray->getDescriptor()->put("This is a test NTMatrix");
|
||||
|
||||
// dump ntScalarArray
|
||||
std::cout << *ntScalarArray->getPVStructure() << std::endl;
|
||||
|
||||
}
|
||||
|
||||
|
||||
void test_wrap()
|
||||
{
|
||||
testDiag("test_wrap");
|
||||
|
||||
NTMatrixPtr nullPtr = NTMatrix::wrap(PVStructurePtr());
|
||||
testOk(nullPtr.get() == 0, "nullptr wrap");
|
||||
|
||||
nullPtr = NTMatrix::wrap(
|
||||
getPVDataCreate()->createPVStructure(
|
||||
NTField::get()->createTimeStamp()
|
||||
)
|
||||
);
|
||||
testOk(nullPtr.get() == 0, "wrong type wrap");
|
||||
|
||||
|
||||
NTMatrixBuilderPtr builder = NTMatrix::createBuilder();
|
||||
testOk(builder.get() != 0, "Got builder");
|
||||
|
||||
PVStructurePtr pvStructure = builder->
|
||||
createPVStructure();
|
||||
testOk1(pvStructure.get() != 0);
|
||||
if (!pvStructure)
|
||||
return;
|
||||
|
||||
testOk1(NTMatrix::isCompatible(pvStructure)==true);
|
||||
NTMatrixPtr ptr = NTMatrix::wrap(pvStructure);
|
||||
testOk(ptr.get() != 0, "wrap OK");
|
||||
|
||||
ptr = NTMatrix::wrapUnsafe(pvStructure);
|
||||
testOk(ptr.get() != 0, "wrapUnsafe OK");
|
||||
}
|
||||
|
||||
MAIN(testNTMatrix) {
|
||||
testPlan(36);
|
||||
test_builder();
|
||||
test_ntmatrix();
|
||||
test_wrap();
|
||||
return testDone();
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user