99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
/* testPVAuxInfo.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: 2010.11 */
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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/convert.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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using std::tr1::static_pointer_cast;
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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 ConvertPtr convert;
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static String buffer;
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static void printOffsets(PVStructurePtr pvStructure,FILE *fd)
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{
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fprintf(fd,"%s offset %lu next %lu number %lu\n",
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pvStructure->getFieldName().c_str(),
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(long unsigned)pvStructure->getFieldOffset(),
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(long unsigned)pvStructure->getNextFieldOffset(),
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(long unsigned)pvStructure->getNumberFields());
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PVFieldPtrArray fields = pvStructure->getPVFields();
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int number = pvStructure->getStructure()->getNumberFields();
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for(int i=0; i<number; i++) {
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PVFieldPtr pvField = fields[i];
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if(pvField->getField()->getType()==structure) {
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PVStructurePtr xxx = static_pointer_cast<PVStructure>(pvField);
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printOffsets(xxx,fd);
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continue;
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}
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fprintf(fd,"%s offset %lli next %lli number %lli\n",
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pvField->getFieldName().c_str(),
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pvField->getFieldOffset(),
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pvField->getNextFieldOffset(),
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pvField->getNumberFields());
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}
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}
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static void testPVAuxInfo(FILE * fd) {
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fprintf(fd,"\ntestPVAuxInfo\n");
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PVStructurePtr pvStructure = standardPVField->scalar(
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pvDouble,"alarm,timeStamp,display,control");
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PVStructurePtr display
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= pvStructure->getStructureField("display");
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assert(display.get()!=NULL);
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PVAuxInfoPtr auxInfo = display->getPVAuxInfo();
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auxInfo->createInfo("factory",pvString);
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auxInfo->createInfo("junk",pvDouble);
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PVScalarPtr pscalar = auxInfo->getInfo(String("factory"));
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assert(pscalar.get()!=0);
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convert->fromString(pscalar,"factoryName");
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pscalar = auxInfo->getInfo("junk");
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assert(pscalar.get()!=0);
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convert->fromString(pscalar,"3.0");
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buffer.clear();
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pvStructure->toString(&buffer);
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fprintf(fd,"%s\n",buffer.c_str());
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// now show field offsets
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printOffsets(pvStructure,fd);
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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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convert = getConvert();
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testPVAuxInfo(fd);
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return(0);
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}
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