94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/* testPVAuxInfo.cpp */
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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 "requester.h"
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#include "pvIntrospect.h"
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#include "pvData.h"
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#include "convert.h"
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#include "standardField.h"
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#include "standardPVField.h"
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#include "showConstructDestruct.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 Convert *convert = 0;
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static String buffer("");
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static void printOffsets(PVStructure *pvStructure,FILE *fd)
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{
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fprintf(fd,"%s offset %d next %d number %d\n",
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pvStructure->getField()->getFieldName().c_str(),
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pvStructure->getFieldOffset(),
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pvStructure->getNextFieldOffset(),
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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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PVField *pvField = fields[i];
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if(pvField->getField()->getType()==structure) {
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printOffsets((PVStructure *)pvField,fd);
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continue;
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}
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fprintf(fd,"%s offset %d next %d number %d\n",
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pvField->getField()->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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PVStructure * pvStructure = standardPVField->scalar(
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0,String("value"),pvDouble,String("alarm,timeStamp,display,conytrol"));
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PVStructure *displayLimit = pvStructure->getStructureField(
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String("display.limit"));
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assert(displayLimit!=0);
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PVAuxInfo *auxInfo = displayLimit->getPVAuxInfo();
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auxInfo->createInfo(String("factory"),pvString);
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auxInfo->createInfo(String("junk"),pvDouble);
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PVScalar *pscalar = auxInfo->getInfo(String("factory"));
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assert(pscalar!=0);
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convert->fromString(pscalar,String("factoryName"));
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pscalar = auxInfo->getInfo(String("junk"));
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assert(pscalar!=0);
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convert->fromString(pscalar,String("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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delete pvStructure;
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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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getShowConstructDestruct()->constuctDestructTotals(fd);
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return(0);
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}
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