Michael Davidsaver
65 lines
1.3 KiB
C++
65 lines
1.3 KiB
C++
/*
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvxs 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 George S. McIntyre <george@level-n.com>, 2023
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*
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*/
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#ifndef PVXS_DBENTRY_H
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#define PVXS_DBENTRY_H
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#include <dbStaticLib.h>
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#include <dbAccess.h>
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#include <pvxs/iochooks.h>
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namespace pvxs {
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namespace ioc {
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/**
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* Wrapper class for DBENTRY that is a type that encapsulates an IOC database entry.
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*/
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class DBEntry {
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DBENTRY ent{};
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public:
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DBEntry() {
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dbInitEntry(pdbbase, &ent);
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}
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explicit DBEntry(dbCommon *prec) {
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#if EPICS_VERSION_INT >= VERSION_INT(3, 16, 1, 0)
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dbInitEntryFromRecord(prec, &ent);
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#else
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dbInitEntry(pdbbase, &ent);
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(void)dbFindRecord(&ent, prec->name);
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#endif
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}
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DBEntry(const DBEntry&) = delete;
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DBEntry(DBEntry&&) = delete;
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~DBEntry() {
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dbFinishEntry(&ent);
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}
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operator DBENTRY*() {
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return &ent;
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}
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DBENTRY* operator->() {
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return &ent;
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}
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const char* info(const char *key, const char* defval=nullptr) {
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const char *ret = defval;
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if(!dbFindInfo(&ent, key)) {
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ret = ent.pinfonode->string;
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}
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return ret;
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}
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};
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} // ioc
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} // pvxs
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#endif //PVXS_DBENTRY_H
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