88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/* testPVStructureArray.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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/* Author: Marty Kraimer Date: 2010.10 */
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#include <cstddef>
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#include <cstdlib>
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#include <cstddef>
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#include <string>
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#include <cstdio>
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#include <epicsAssert.h>
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#include <epicsExit.h>
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#include <pv/requester.h>
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#include <pv/pvIntrospect.h>
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#include <pv/pvData.h>
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#include <pv/standardField.h>
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#include <pv/standardPVField.h>
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#include <pv/CDRMonitor.h>
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using namespace epics::pvData;
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static FieldCreate * fieldCreate = 0;
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static PVDataCreate * pvDataCreate = 0;
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static StandardField *standardField = 0;
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static StandardPVField *standardPVField = 0;
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static String buffer("");
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StructureConstPtr getPowerSupplyStructure() {
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String properties("alarm");
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FieldConstPtrArray powerSupply = new FieldConstPtr[3];
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powerSupply[0] = standardField->scalar(
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String("voltage"),pvDouble,properties);
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powerSupply[1] = standardField->scalar(
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String("power"),pvDouble,properties);
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powerSupply[2] = standardField->scalar(
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String("current"),pvDouble,properties);
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StructureConstPtr structure = standardField->structure(
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String("powerSupply"),3,powerSupply);
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return structure;
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}
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void testPowerSupplyArray(FILE * fd) {
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PVStructure* powerSupplyArrayStruct = standardPVField->structureArray(
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0,"powerSupply",getPowerSupplyStructure(),String("alarm,timeStamp"));
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PVStructureArray * powerSupplyArray =
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powerSupplyArrayStruct->getStructureArrayField(String("value"));
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assert(powerSupplyArray!=0);
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int offset = powerSupplyArray->append(5);
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powerSupplyArray->setLength(offset);
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buffer.clear();
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powerSupplyArrayStruct->toString(&buffer);
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fprintf(fd,"after append 5\n%s\n",buffer.c_str());
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powerSupplyArray->remove(0,2);
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powerSupplyArray->remove(3,1);
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buffer.clear();
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powerSupplyArrayStruct->toString(&buffer);
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fprintf(fd,"after remove 0,1,3%s\n",buffer.c_str());
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powerSupplyArray->compress();
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buffer.clear();
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powerSupplyArrayStruct->toString(&buffer);
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fprintf(fd,"after compress%s\n",buffer.c_str());
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delete powerSupplyArrayStruct;
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}
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int main(int argc,char *argv[])
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{
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char *fileName = 0;
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if(argc>1) fileName = argv[1];
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FILE * fd = stdout;
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if(fileName!=0 && fileName[0]!=0) {
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fd = fopen(fileName,"w+");
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}
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fieldCreate = getFieldCreate();
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pvDataCreate = getPVDataCreate();
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standardField = getStandardField();
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standardPVField = getStandardPVField();
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testPowerSupplyArray(fd);
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epicsExitCallAtExits();
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CDRMonitor::get().show(fd,true);
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return(0);
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}
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