NTScalar added
This commit is contained in:
Matej Sekoranja
@@ -7,11 +7,13 @@ SRC_DIRS += $(SRC)/nt
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INC += nt.h
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INC += ntfield.h
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INC += ntscalar.h
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INC += ntnameValue.h
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INC += nttable.h
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INC += ntmultiChannel.h
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LIBSRCS += ntfield.cpp
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LIBSRCS += ntscalar.cpp
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LIBSRCS += ntnameValue.cpp
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LIBSRCS += nttable.cpp
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LIBSRCS += ntmultiChannel.cpp
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@@ -8,6 +8,7 @@
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#define NT_H
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#include <pv/ntfield.h>
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#include <pv/ntscalar.h>
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#include <pv/ntnameValue.h>
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#include <pv/nttable.h>
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217
src/nt/ntscalar.cpp
Normal file
217
src/nt/ntscalar.cpp
Normal file
@@ -0,0 +1,217 @@
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/* ntscalar.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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#include <pv/ntscalar.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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namespace detail {
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static NTFieldPtr ntField = NTField::get();
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NTScalarBuilder::shared_pointer NTScalarBuilder::value(
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epics::pvData::ScalarType scalarType
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)
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{
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isArray = false;
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valueType = scalarType;
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valueTypeSet = true;
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return shared_from_this();
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}
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NTScalarBuilder::shared_pointer NTScalarBuilder::arrayValue(
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epics::pvData::ScalarType scalarType
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)
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{
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isArray = true;
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valueType = scalarType;
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valueTypeSet = true;
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return shared_from_this();
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}
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StructureConstPtr NTScalarBuilder::createStructure()
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{
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if (!valueTypeSet)
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throw std::runtime_error("value type not set");
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FieldBuilderPtr builder =
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getFieldCreate()->createFieldBuilder()->
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setId(NTScalar::URI)->
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add("value", valueType);
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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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if (control)
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builder->add("control", ntField->createControl());
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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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NTScalarBuilder::shared_pointer NTScalarBuilder::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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NTScalarBuilder::shared_pointer NTScalarBuilder::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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NTScalarBuilder::shared_pointer NTScalarBuilder::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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NTScalarBuilder::shared_pointer NTScalarBuilder::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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NTScalarBuilder::shared_pointer NTScalarBuilder::addControl()
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{
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control = true;
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return shared_from_this();
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}
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PVStructurePtr NTScalarBuilder::createPVStructure()
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{
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return getPVDataCreate()->createPVStructure(createStructure());
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}
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NTScalarPtr NTScalarBuilder::create()
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{
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return NTScalarPtr(new NTScalar(createPVStructure()));
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}
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NTScalarBuilder::NTScalarBuilder()
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{
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reset();
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}
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void NTScalarBuilder::reset()
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{
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valueTypeSet = 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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control = false;
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}
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}
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const std::string NTScalar::URI("uri:ev4:nt/2012/pwd:NTScalar");
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bool NTScalar::is_a(StructureConstPtr const & structure)
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{
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return structure->getID() == URI;
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}
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NTScalarBuilderPtr NTScalar::createBuilder()
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{
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return NTScalarBuilderPtr(new detail::NTScalarBuilder());
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}
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bool NTScalar::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 NTScalar::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 NTScalar::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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bool NTScalar::attachControl(PVControl &pvControl) const
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{
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PVStructurePtr ctrl = getControl();
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if (ctrl)
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return pvControl.attach(ctrl);
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else
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return false;
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}
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PVStructurePtr NTScalar::getPVStructure() const
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{
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return pvNTScalar;
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}
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PVStringPtr NTScalar::getDescriptor() const
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{
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return pvNTScalar->getSubField<PVString>("descriptor");
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}
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PVStructurePtr NTScalar::getTimeStamp() const
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{
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return pvNTScalar->getSubField<PVStructure>("timeStamp");
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}
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PVStructurePtr NTScalar::getAlarm() const
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{
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return pvNTScalar->getSubField<PVStructure>("alarm");
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}
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PVStructurePtr NTScalar::getDisplay() const
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{
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return pvNTScalar->getSubField<PVStructure>("display");
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}
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PVStructurePtr NTScalar::getControl() const
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{
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return pvNTScalar->getSubField<PVStructure>("control");
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}
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PVFieldPtr NTScalar::getValue() const
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{
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return pvNTScalar->getSubField("value");
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}
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NTScalar::NTScalar(PVStructurePtr const & pvStructure) :
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pvNTScalar(pvStructure)
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{}
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}}
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246
src/nt/ntscalar.h
Normal file
246
src/nt/ntscalar.h
Normal file
@@ -0,0 +1,246 @@
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/* ntscalar.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 NTSCALAR_H
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#define NTSCALAR_H
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#include <pv/ntfield.h>
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#include <pv/pvDisplay.h>
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#include <pv/pvControl.h>
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namespace epics { namespace nt {
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class NTScalar;
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typedef std::tr1::shared_ptr<NTScalar> NTScalarPtr;
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namespace detail {
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/**
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* Interface for in-line creating of NTScalar.
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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 mse
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*/
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class epicsShareClass NTScalarBuilder :
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public std::tr1::enable_shared_from_this<NTScalarBuilder>
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{
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public:
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POINTER_DEFINITIONS(NTScalarBuilder);
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/**
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* Set a value type of a NTScalar.
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* @param scalarType the value type.
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* @return this instance of a {@code NTTableBuilder}.
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*/
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shared_pointer value(epics::pvData::ScalarType scalarType);
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/**
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* Set a value array type of a NTScalar, i.e. it creates an NTScalarArray.
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* @param scalarType the value array element type.
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* @return this instance of a {@code NTTableBuilder}.
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*/
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shared_pointer arrayValue(epics::pvData::ScalarType scalarType);
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/**
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* Add descriptor field to the NTScalar.
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* @return this instance of a {@code NTScalarBuilder}.
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*/
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shared_pointer addDescriptor();
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/**
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* Add alarm structure to the NTScalar.
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* @return this instance of a {@code NTScalarBuilder}.
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*/
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shared_pointer addAlarm();
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/**
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* Add timeStamp structure to the NTScalar.
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* @return this instance of a {@code NTScalarBuilder}.
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*/
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shared_pointer addTimeStamp();
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/**
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* Add display structure to the NTScalar.
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* @return this instance of a {@code NTScalarBuilder}.
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*/
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shared_pointer addDisplay();
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/**
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* Add control structure to the NTScalar.
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* @return this instance of a {@code NTScalarBuilder}.
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*/
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shared_pointer addControl();
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/**
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* Create a {@code Structure} that represents NTScalar.
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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 a {@code Structure}.
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*/
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epics::pvData::StructureConstPtr createStructure();
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/**
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* Create a {@code PVStructure} that represents NTScalar.
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* This resets this instance state and allows new {@code instance to be created.
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* @return a new instance of a {@code PVStructure}
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*/
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epics::pvData::PVStructurePtr createPVStructure();
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/**
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* Create a {@code NTScalar} instance.
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* This resets this instance state and allows new {@code instance to be created.
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* @return a new instance of a {@code NTScalar}
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*/
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NTScalarPtr create();
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private:
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NTScalarBuilder();
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void reset();
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bool isArray;
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bool valueTypeSet;
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epics::pvData::ScalarType valueType;
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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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bool control;
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friend class ::epics::nt::NTScalar;
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};
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}
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typedef std::tr1::shared_ptr<detail::NTScalarBuilder> NTScalarBuilderPtr;
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/**
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* Convenience Class for NTScalar
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* @author mrk
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*/
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class NTScalar
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{
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public:
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POINTER_DEFINITIONS(NTScalar);
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static const std::string URI;
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/**
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* Is the structure an NTScalar.
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* @param structure The structure to test.
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* @return (false,true) if (is not, is) an NTScalar.
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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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* Create a NTScalar builder instance.
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* @return builder instance.
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*/
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static NTScalarBuilderPtr createBuilder();
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/**
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* Destructor.
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*/
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~NTScalar() {}
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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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* Attach an pvControl.
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* @param pvControl The pvControl that will be attached.
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* Does nothing if no control.
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* @return true if the operation was successfull (i.e. this instance has a control field), otherwise false.
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*/
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bool attachControl(epics::pvData::PVControl &pvControl) 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 control.
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* @return PVStructurePtr which may be null.
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*/
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epics::pvData::PVStructurePtr getControl() const;
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/**
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* Get the value field.
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* @return The PVField for the values.
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*/
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epics::pvData::PVFieldPtr getValue() const;
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/**
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* Get the value field of a specified type (e.g. PVDouble).
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* @return The <PVT> field for the values.
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*/
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template<typename PVT>
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std::tr1::shared_ptr<PVT> getValue() const
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{
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epics::pvData::PVFieldPtr pvField = getValue();
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if (pvField.get())
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return std::tr1::dynamic_pointer_cast<PVT>(pvField);
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else
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return std::tr1::shared_ptr<PVT>();
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}
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private:
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NTScalar(epics::pvData::PVStructurePtr const & pvStructure);
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epics::pvData::PVStructurePtr pvNTScalar;
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friend class detail::NTScalarBuilder;
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};
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}}
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#endif /* NTScalar_H */
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@@ -4,26 +4,26 @@ include $(TOP)/configure/CONFIG
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PROD_LIBS += nt pvData Com
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PROD_HOST += ntfieldTest
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TESTPROD_HOST += ntfieldTest
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ntfieldTest_SRCS += ntfieldTest.cpp
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ntfieldTest_LIBS += nt pvData Com
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TESTS += ntfieldTest
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PROD_HOST += ntnameValueTest
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TESTPROD_HOST += ntscalarTest
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ntscalarTest_SRCS += ntscalarTest.cpp
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TESTS += ntscalarTest
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TESTPROD_HOST += ntnameValueTest
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ntnameValueTest_SRCS += ntnameValueTest.cpp
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ntnameValueTest_LIBS += nt pvData Com
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TESTS += ntnameValueTest
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PROD_HOST += ntmultiChannelTest
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TESTPROD_HOST += ntmultiChannelTest
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ntmultiChannelTest_SRCS += ntmultiChannelTest.cpp
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ntmultiChannelTest_LIBS += nt pvData Com
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TESTS += ntmultiChannelTest
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TESTPROD_HOST += nttableTest
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nttableTest_SRCS = nttableTest.cpp
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TESTS += nttableTest
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TESTPROD_HOST += ntmultiChannelTest
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ntmultiChannelTest_SRCS = ntmultiChannelTest.cpp
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TESTS += ntmultiChannelTest
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TESTSCRIPTS_HOST += $(TESTS:%=%.t)
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include $(TOP)/configure/RULES
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196
test/nt/ntscalarTest.cpp
Normal file
196
test/nt/ntscalarTest.cpp
Normal file
@@ -0,0 +1,196 @@
|
||||
/**
|
||||
* 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;
|
||||
|
||||
void test_builder()
|
||||
{
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||||
testDiag("test_builder");
|
||||
|
||||
NTScalarBuilderPtr builder = NTScalar::createBuilder();
|
||||
testOk(builder.get() != 0, "Got builder");
|
||||
|
||||
StructureConstPtr structure = builder->
|
||||
value(pvDouble)->
|
||||
addDescriptor()->
|
||||
addAlarm()->
|
||||
addTimeStamp()->
|
||||
addDisplay()->
|
||||
addControl()->
|
||||
createStructure();
|
||||
testOk1(structure.get() != 0);
|
||||
if (!structure)
|
||||
return;
|
||||
|
||||
testOk1(NTScalar::is_a(structure));
|
||||
testOk1(structure->getID() == NTScalar::URI);
|
||||
testOk1(structure->getNumberFields() == 6);
|
||||
testOk1(structure->getField("value").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);
|
||||
testOk1(structure->getField("control").get() != 0);
|
||||
|
||||
testOk(dynamic_pointer_cast<const Scalar>(structure->getField("value")).get() != 0 &&
|
||||
dynamic_pointer_cast<const Scalar>(structure->getField("value"))->getScalarType() == pvDouble, "value type");
|
||||
|
||||
std::cout << *structure << std::endl;
|
||||
|
||||
// no value set
|
||||
try
|
||||
{
|
||||
structure = builder->
|
||||
addDescriptor()->
|
||||
addAlarm()->
|
||||
addTimeStamp()->
|
||||
addDisplay()->
|
||||
addControl()->
|
||||
createStructure();
|
||||
testFail("no value type set");
|
||||
} catch (std::runtime_error &) {
|
||||
testPass("no value type set");
|
||||
}
|
||||
}
|
||||
|
||||
void test_ntscalar()
|
||||
{
|
||||
testDiag("test_ntscalar");
|
||||
|
||||
NTScalarBuilderPtr builder = NTScalar::createBuilder();
|
||||
testOk(builder.get() != 0, "Got builder");
|
||||
|
||||
NTScalarPtr ntScalar = builder->
|
||||
value(pvInt)->
|
||||
addDescriptor()->
|
||||
addAlarm()->
|
||||
addTimeStamp()->
|
||||
addDisplay()->
|
||||
addControl()->
|
||||
create();
|
||||
testOk1(ntScalar.get() != 0);
|
||||
|
||||
testOk1(ntScalar->getPVStructure().get() != 0);
|
||||
testOk1(ntScalar->getValue().get() != 0);
|
||||
testOk1(ntScalar->getDescriptor().get() != 0);
|
||||
testOk1(ntScalar->getAlarm().get() != 0);
|
||||
testOk1(ntScalar->getTimeStamp().get() != 0);
|
||||
testOk1(ntScalar->getDisplay().get() != 0);
|
||||
testOk1(ntScalar->getControl().get() != 0);
|
||||
|
||||
//
|
||||
// example how to set a value
|
||||
//
|
||||
ntScalar->getValue<PVInt>()->put(12);
|
||||
|
||||
//
|
||||
// example how to get a value
|
||||
//
|
||||
int32 value = ntScalar->getValue<PVInt>()->get();
|
||||
testOk1(value == 12);
|
||||
|
||||
//
|
||||
// timeStamp ops
|
||||
//
|
||||
PVTimeStamp pvTimeStamp;
|
||||
if (ntScalar->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 (ntScalar->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 (ntScalar->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");
|
||||
display.setFormat("%d");
|
||||
display.setUnits("A");
|
||||
pvDisplay.set(display);
|
||||
}
|
||||
else
|
||||
testFail("display attach fail");
|
||||
|
||||
//
|
||||
// control ops
|
||||
//
|
||||
PVControl pvControl;
|
||||
if (ntScalar->attachControl(pvControl))
|
||||
{
|
||||
testPass("control attach");
|
||||
|
||||
// example how to set an control
|
||||
Control control;
|
||||
control.setLow(-10);
|
||||
control.setHigh(10);
|
||||
control.setMinStep(1);
|
||||
pvControl.set(control);
|
||||
}
|
||||
else
|
||||
testFail("control attach fail");
|
||||
|
||||
//
|
||||
// set descriptor
|
||||
//
|
||||
ntScalar->getDescriptor()->put("This is a test NTScalar");
|
||||
|
||||
// dump ntScalar
|
||||
std::cout << *ntScalar->getPVStructure() << std::endl;
|
||||
|
||||
}
|
||||
|
||||
MAIN(testNTScalar) {
|
||||
testPlan(28);
|
||||
test_builder();
|
||||
test_ntscalar();
|
||||
return testDone();
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user