90 lines
2.8 KiB
C++
90 lines
2.8 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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using namespace epics::pvData;
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static FieldCreatePtr fieldCreate;
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static PVDataCreatePtr pvDataCreate;
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static StandardFieldPtr standardField;
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static StandardPVFieldPtr standardPVField;
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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 fields;
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StringArray fieldNames;
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fields.reserve(3);
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fieldNames.reserve(3);
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fieldNames.push_back("voltage");
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fieldNames.push_back("power");
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fieldNames.push_back("current");
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fields.push_back(standardField->scalar(pvDouble,properties));
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fields.push_back(standardField->scalar(pvDouble,properties));
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fields.push_back(standardField->scalar(pvDouble,properties));
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StructureConstPtr structure = fieldCreate->createStructure(
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fieldNames,fields);
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return structure;
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}
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void testPowerSupplyArray(FILE * fd) {
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PVStructurePtr powerSupplyArrayStruct = standardPVField->structureArray(
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getPowerSupplyStructure(),String("alarm,timeStamp"));
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PVStructureArrayPtr powerSupplyArray =
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powerSupplyArrayStruct->getStructureArrayField(String("value"));
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assert(powerSupplyArray.get()!=NULL);
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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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buffer.clear();
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powerSupplyArrayStruct->toString(&buffer);
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fprintf(fd,"after remove(0,2)\n%s\n",buffer.c_str());
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powerSupplyArray->remove(2,1);
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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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}
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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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return(0);
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}
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