pcm-raw: add option to select first record in pmt db match result

Change-Id: I0142ddf9d94d238c80b50e0ab60d8eb445fb6e96

Author: rdementi

src/pcm-raw.cpp

@@ -1074,7 +1074,7 @@ AddEventStatus addEvent(PCM::RawPMUConfigs & curPMUConfigs, string eventStr)
     const auto configArray = split(configStr, ',');
     bool fixed = false;
     std::string lookup;
-    auto pmtAddRecord = [&lookup, &pmuName, &config](const std::vector<TelemetryDB::PMTRecord> & records) -> AddEventStatus
+    auto pmtAddRecord = [&lookup, &pmuName, &config](const std::vector<TelemetryDB::PMTRecord> & records, const bool first = false) -> AddEventStatus
     {
         if (pmuName == "pmt")
         {
@@ -1083,7 +1083,7 @@ AddEventStatus addEvent(PCM::RawPMUConfigs & curPMUConfigs, string eventStr)
                     cerr << "ERROR: lookup \"" << lookup << "\" not found in PMT telemetry database\n";
                     return AddEventStatus::Failed;
                 }
-                if (records.size() > 1)
+                if (records.size() > 1 && first == false)
                 {
                     cerr << "ERROR: lookup \"" << lookup << "\" is ambiguous in PMT telemetry database\n\n";
                     for (const auto & record : records)
@@ -1092,10 +1092,11 @@ AddEventStatus addEvent(PCM::RawPMUConfigs & curPMUConfigs, string eventStr)
                         record.print(cerr);
                         cerr << "\n";
                     }
+                    cerr << "Alternatively use lookupf or ilookupf to select the first record in the list.\n";
                     return AddEventStatus::Failed;
                 }
                 config.second = records[0].fullName;
-                assert(records.size() == 1);
+                assert(records.size() >= 1);
                 config.first[PCM::PMTEventPosition::UID] = records[0].uid;
                 config.first[PCM::PMTEventPosition::offset] = records[0].qWordOffset;
                 config.first[PCM::PMTEventPosition::type] = (records[0].sampleType == "Snapshot") ? PCM::MSRType::Static : PCM::MSRType::Freerun;
@@ -1150,6 +1151,16 @@ AddEventStatus addEvent(PCM::RawPMUConfigs & curPMUConfigs, string eventStr)
             if (pmtAddRecord(telemDB.ilookup(lookup)) != AddEventStatus::OK)
                 return AddEventStatus::Failed;
         }
+        else if (pcm_sscanf(item) >> s_expect("lookupf=") >> setw(255) >> lookup)
+        {
+            if (pmtAddRecord(telemDB.lookup(lookup), true) != AddEventStatus::OK)
+                return AddEventStatus::Failed;
+        }
+        else if (pcm_sscanf(item) >> s_expect("ilookupf=") >> setw(255) >> lookup)
+        {
+            if (pmtAddRecord(telemDB.ilookup(lookup), true) != AddEventStatus::OK)
+                return AddEventStatus::Failed;
+        }
         else if (item == "fixed")
         {
             fixed = true;