Add raw measurement parser
Test: manual test (data cross verified with GnssLogger app)
Bug: 190757198
Change-Id: I8d57826c6aa2a9d1a09b4847aadfda8c9160b36f
Merged-In: I8d57826c6aa2a9d1a09b4847aadfda8c9160b36f
diff --git a/gnss/common/utils/default/Android.bp b/gnss/common/utils/default/Android.bp
index ac94cc1..fd3d939 100644
--- a/gnss/common/utils/default/Android.bp
+++ b/gnss/common/utils/default/Android.bp
@@ -42,6 +42,8 @@
"Utils.cpp",
"NmeaFixInfo.cpp",
"GnssReplayUtils.cpp",
+ "ParseUtils.cpp",
+ "GnssRawMeasurementParser.cpp",
],
export_include_dirs: ["include"],
shared_libs: [
diff --git a/gnss/common/utils/default/GnssRawMeasurementParser.cpp b/gnss/common/utils/default/GnssRawMeasurementParser.cpp
new file mode 100644
index 0000000..c066229
--- /dev/null
+++ b/gnss/common/utils/default/GnssRawMeasurementParser.cpp
@@ -0,0 +1,305 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "GnssRawMeasurementParser.h"
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+using aidl::android::hardware::gnss::ElapsedRealtime;
+using aidl::android::hardware::gnss::GnssClock;
+using aidl::android::hardware::gnss::GnssConstellationType;
+using aidl::android::hardware::gnss::GnssData;
+using aidl::android::hardware::gnss::GnssMeasurement;
+using aidl::android::hardware::gnss::GnssMultipathIndicator;
+using aidl::android::hardware::gnss::GnssSignalType;
+
+using ParseUtils = ::android::hardware::gnss::common::ParseUtils;
+
+std::unordered_map<std::string, int> GnssRawMeasurementParser::getColumnIdNameMappingFromHeader(
+ const std::string& header) {
+ std::vector<std::string> columnNames;
+ std::unordered_map<std::string, int> columnNameIdMapping;
+ std::string s = header;
+ // Trim left spaces
+ s.erase(s.begin(),
+ std::find_if(s.begin(), s.end(), [](unsigned char ch) { return !std::isspace(ch); }));
+ // Trim right spaces
+ s.erase(std::find_if(s.rbegin(), s.rend(), [](unsigned char ch) { return !std::isspace(ch); })
+ .base(),
+ s.end());
+ // Remove comment symbol, start from `Raw`.
+ s = s.substr(s.find("Raw"));
+
+ ParseUtils::splitStr(s, COMMA_SEPARATOR, columnNames);
+ int columnId = 0;
+ for (auto& name : columnNames) {
+ columnNameIdMapping[name] = columnId++;
+ }
+
+ return columnNameIdMapping;
+}
+
+int GnssRawMeasurementParser::getClockFlags(
+ const std::vector<std::string>& rawMeasurementRecordValues,
+ const std::unordered_map<std::string, int>& columnNameIdMapping) {
+ int clockFlags = 0;
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("LeapSecond")].empty()) {
+ clockFlags |= GnssClock::HAS_LEAP_SECOND;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("FullBiasNanos")].empty()) {
+ clockFlags |= GnssClock::HAS_FULL_BIAS;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("BiasNanos")].empty()) {
+ clockFlags |= GnssClock::HAS_BIAS;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("BiasUncertaintyNanos")].empty()) {
+ clockFlags |= GnssClock::HAS_BIAS_UNCERTAINTY;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("DriftNanosPerSecond")].empty()) {
+ clockFlags |= GnssClock::HAS_DRIFT;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("DriftUncertaintyNanosPerSecond")]
+ .empty()) {
+ clockFlags |= GnssClock::HAS_DRIFT_UNCERTAINTY;
+ }
+ return clockFlags;
+}
+
+int GnssRawMeasurementParser::getElapsedRealtimeFlags(
+ const std::vector<std::string>& rawMeasurementRecordValues,
+ const std::unordered_map<std::string, int>& columnNameIdMapping) {
+ int elapsedRealtimeFlags = ElapsedRealtime::HAS_TIMESTAMP_NS;
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("TimeUncertaintyNanos")].empty()) {
+ elapsedRealtimeFlags |= ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS;
+ }
+ return elapsedRealtimeFlags;
+}
+
+int GnssRawMeasurementParser::getRawMeasurementFlags(
+ const std::vector<std::string>& rawMeasurementRecordValues,
+ const std::unordered_map<std::string, int>& columnNameIdMapping) {
+ int rawMeasurementFlags = 0;
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("SnrInDb")].empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_SNR;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("CarrierFrequencyHz")].empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_CARRIER_FREQUENCY;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("CarrierCycles")].empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_CARRIER_CYCLES;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("CarrierPhase")].empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_CARRIER_PHASE;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("CarrierPhaseUncertainty")].empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_CARRIER_PHASE_UNCERTAINTY;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("AgcDb")].empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_AUTOMATIC_GAIN_CONTROL;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("FullInterSignalBiasNanos")].empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_FULL_ISB;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("FullInterSignalBiasUncertaintyNanos")]
+ .empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_FULL_ISB_UNCERTAINTY;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at("SatelliteInterSignalBiasNanos")]
+ .empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_SATELLITE_ISB;
+ }
+ if (!rawMeasurementRecordValues[columnNameIdMapping.at(
+ "SatelliteInterSignalBiasUncertaintyNanos")]
+ .empty()) {
+ rawMeasurementFlags |= GnssMeasurement::HAS_SATELLITE_ISB_UNCERTAINTY;
+ }
+ // HAS_SATELLITE_PVT and HAS_CORRELATION_VECTOR fields currently not in rawmeasurement
+ // output, need add them later.
+ return rawMeasurementFlags;
+}
+
+GnssConstellationType GnssRawMeasurementParser::getGnssConstellationType(int constellationType) {
+ GnssConstellationType gnssConstellationType =
+ aidl::android::hardware::gnss::GnssConstellationType::UNKNOWN;
+
+ switch (constellationType) {
+ case 1:
+ gnssConstellationType = aidl::android::hardware::gnss::GnssConstellationType::GPS;
+ break;
+ case 2:
+ gnssConstellationType = aidl::android::hardware::gnss::GnssConstellationType::SBAS;
+ break;
+ case 3:
+ gnssConstellationType = aidl::android::hardware::gnss::GnssConstellationType::GLONASS;
+ break;
+ case 4:
+ gnssConstellationType = aidl::android::hardware::gnss::GnssConstellationType::QZSS;
+ break;
+ case 5:
+ gnssConstellationType = aidl::android::hardware::gnss::GnssConstellationType::BEIDOU;
+ break;
+ case 6:
+ gnssConstellationType = aidl::android::hardware::gnss::GnssConstellationType::GALILEO;
+ break;
+ default:
+ gnssConstellationType = aidl::android::hardware::gnss::GnssConstellationType::UNKNOWN;
+ }
+
+ return gnssConstellationType;
+}
+
+std::unique_ptr<GnssData> GnssRawMeasurementParser::getMeasurementFromStrs(
+ std::string& rawMeasurementStr) {
+ /*
+ * Raw,utcTimeMillis,TimeNanos,LeapSecond,TimeUncertaintyNanos,FullBiasNanos,BiasNanos,
+ * BiasUncertaintyNanos,DriftNanosPerSecond,DriftUncertaintyNanosPerSecond,
+ * HardwareClockDiscontinuityCount,Svid,TimeOffsetNanos,State,ReceivedSvTimeNanos,
+ * ReceivedSvTimeUncertaintyNanos,Cn0DbHz,PseudorangeRateMetersPerSecond,
+ * PseudorangeRateUncertaintyMetersPerSecond,AccumulatedDeltaRangeState,
+ * AccumulatedDeltaRangeMeters,AccumulatedDeltaRangeUncertaintyMeters,CarrierFrequencyHz,
+ * CarrierCycles,CarrierPhase,CarrierPhaseUncertainty,MultipathIndicator,SnrInDb,
+ * ConstellationType,AgcDb,BasebandCn0DbHz,FullInterSignalBiasNanos,
+ * FullInterSignalBiasUncertaintyNanos,SatelliteInterSignalBiasNanos,
+ * SatelliteInterSignalBiasUncertaintyNanos,CodeType,ChipsetElapsedRealtimeNanos
+ */
+ ALOGD("Parsing %zu bytes rawMeasurementStr.", rawMeasurementStr.size());
+ if (rawMeasurementStr.empty()) {
+ return nullptr;
+ }
+ std::vector<std::string> rawMeasurementStrRecords;
+ ParseUtils::splitStr(rawMeasurementStr, LINE_SEPARATOR, rawMeasurementStrRecords);
+ if (rawMeasurementStrRecords.size() <= 1) {
+ ALOGE("Raw GNSS Measurements parser failed. (No records) ");
+ return nullptr;
+ }
+
+ // Get the column name mapping from the header.
+ std::unordered_map<std::string, int> columnNameIdMapping =
+ getColumnIdNameMappingFromHeader(rawMeasurementStrRecords[0]);
+
+ if (columnNameIdMapping.size() < 37 || !ParseUtils::isValidHeader(columnNameIdMapping)) {
+ ALOGE("Raw GNSS Measurements parser failed. (No header or missing columns.) ");
+ return nullptr;
+ }
+
+ // Set GnssClock from 1st record.
+ std::size_t pointer = 1;
+ std::vector<std::string> firstRecordValues;
+ ParseUtils::splitStr(rawMeasurementStrRecords[pointer], COMMA_SEPARATOR, firstRecordValues);
+ GnssClock clock = {
+ .gnssClockFlags = getClockFlags(firstRecordValues, columnNameIdMapping),
+ .timeNs = ParseUtils::tryParseLongLong(
+ firstRecordValues[columnNameIdMapping.at("TimeNanos")], 0),
+ .fullBiasNs = ParseUtils::tryParseLongLong(
+ firstRecordValues[columnNameIdMapping.at("FullBiasNanos")], 0),
+ .biasNs = ParseUtils::tryParseDouble(
+ firstRecordValues[columnNameIdMapping.at("BiasNanos")], 0),
+ .biasUncertaintyNs = ParseUtils::tryParseDouble(
+ firstRecordValues[columnNameIdMapping.at("BiasUncertaintyNanos")], 0),
+ .driftNsps = ParseUtils::tryParseDouble(
+ firstRecordValues[columnNameIdMapping.at("DriftNanosPerSecond")], 0),
+ .driftUncertaintyNsps = ParseUtils::tryParseDouble(
+ firstRecordValues[columnNameIdMapping.at("DriftNanosPerSecond")], 0),
+ .hwClockDiscontinuityCount = ParseUtils::tryParseInt(
+ firstRecordValues[columnNameIdMapping.at("HardwareClockDiscontinuityCount")],
+ 0)};
+
+ ElapsedRealtime timestamp = {
+ .flags = getElapsedRealtimeFlags(firstRecordValues, columnNameIdMapping),
+ .timestampNs = ParseUtils::tryParseLongLong(
+ firstRecordValues[columnNameIdMapping.at("ChipsetElapsedRealtimeNanos")]),
+ .timeUncertaintyNs = ParseUtils::tryParseDouble(
+ firstRecordValues[columnNameIdMapping.at("TimeUncertaintyNanos")], 0)};
+
+ std::vector<GnssMeasurement> measurementsVec;
+ for (pointer = 1; pointer < rawMeasurementStrRecords.size(); pointer++) {
+ std::vector<std::string> rawMeasurementValues;
+ std::string line = rawMeasurementStrRecords[pointer];
+ ParseUtils::splitStr(line, COMMA_SEPARATOR, rawMeasurementValues);
+ GnssSignalType signalType = {
+ .constellation = getGnssConstellationType(ParseUtils::tryParseInt(
+ rawMeasurementValues[columnNameIdMapping.at("ConstellationType")], 0)),
+ .carrierFrequencyHz = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at("CarrierFrequencyHz")], 0),
+ .codeType = rawMeasurementValues[columnNameIdMapping.at("CodeType")],
+ };
+ GnssMeasurement measurement = {
+ .flags = getRawMeasurementFlags(rawMeasurementValues, columnNameIdMapping),
+ .svid = ParseUtils::tryParseInt(
+ rawMeasurementValues[columnNameIdMapping.at("Svid")], 0),
+ .signalType = signalType,
+ .receivedSvTimeInNs = ParseUtils::tryParseLongLong(
+ rawMeasurementValues[columnNameIdMapping.at("ReceivedSvTimeNanos")], 0),
+ .receivedSvTimeUncertaintyInNs =
+ ParseUtils::tryParseLongLong(rawMeasurementValues[columnNameIdMapping.at(
+ "ReceivedSvTimeUncertaintyNanos")],
+ 0),
+ .antennaCN0DbHz = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at("Cn0DbHz")], 0),
+ .basebandCN0DbHz = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at("BasebandCn0DbHz")], 0),
+ .agcLevelDb = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at("AgcDb")], 0),
+ .pseudorangeRateMps =
+ ParseUtils::tryParseDouble(rawMeasurementValues[columnNameIdMapping.at(
+ "PseudorangeRateMetersPerSecond")],
+ 0),
+ .pseudorangeRateUncertaintyMps = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at(
+ "PseudorangeRateUncertaintyMetersPerSecond")],
+ 0),
+ .accumulatedDeltaRangeState = ParseUtils::tryParseInt(
+ rawMeasurementValues[columnNameIdMapping.at("AccumulatedDeltaRangeState")],
+ 0),
+ .accumulatedDeltaRangeM = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at("AccumulatedDeltaRangeMeters")],
+ 0),
+ .accumulatedDeltaRangeUncertaintyM = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at(
+ "AccumulatedDeltaRangeUncertaintyMeters")],
+ 0),
+ .multipathIndicator = GnssMultipathIndicator::UNKNOWN, // Not in GnssLogger yet.
+ .state = ParseUtils::tryParseInt(
+ rawMeasurementValues[columnNameIdMapping.at("State")], 0),
+ .fullInterSignalBiasNs = ParseUtils::tryParseDouble(rawMeasurementValues[31], 0),
+ .fullInterSignalBiasUncertaintyNs = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at("FullInterSignalBiasNanos")],
+ 0),
+ .satelliteInterSignalBiasNs =
+ ParseUtils::tryParseDouble(rawMeasurementValues[columnNameIdMapping.at(
+ "SatelliteInterSignalBiasNanos")],
+ 0),
+ .satelliteInterSignalBiasUncertaintyNs = ParseUtils::tryParseDouble(
+ rawMeasurementValues[columnNameIdMapping.at(
+ "SatelliteInterSignalBiasUncertaintyNanos")],
+ 0),
+ .satellitePvt = {},
+ .correlationVectors = {}};
+ measurementsVec.push_back(measurement);
+ }
+
+ GnssData gnssData = {
+ .measurements = measurementsVec, .clock = clock, .elapsedRealtime = timestamp};
+ return std::make_unique<GnssData>(gnssData);
+}
+
+} // namespace common
+} // namespace gnss
+} // namespace hardware
+} // namespace android
diff --git a/gnss/common/utils/default/ParseUtils.cpp b/gnss/common/utils/default/ParseUtils.cpp
new file mode 100644
index 0000000..648edf7
--- /dev/null
+++ b/gnss/common/utils/default/ParseUtils.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <ParseUtils.h>
+#include <sstream>
+#include <stdexcept>
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+int ParseUtils::tryParseInt(const std::string& s, int defaultVal) {
+ if (s.empty()) {
+ return defaultVal;
+ } else {
+ return std::stoi(s);
+ }
+}
+
+float ParseUtils::tryParsefloat(const std::string& s, float defaultVal) {
+ if (s.empty()) {
+ return defaultVal;
+ } else {
+ return std::stof(s);
+ }
+}
+
+double ParseUtils::tryParseDouble(const std::string& s, double defaultVal) {
+ if (s.empty()) {
+ return defaultVal;
+ } else {
+ return std::stod(s);
+ }
+}
+
+long ParseUtils::tryParseLong(const std::string& s, long defaultVal) {
+ if (s.empty()) {
+ return defaultVal;
+ } else {
+ return std::stol(s);
+ }
+}
+
+long long ParseUtils::tryParseLongLong(const std::string& s, long long defaultVal) {
+ if (s.empty()) {
+ return defaultVal;
+ } else {
+ return std::stoll(s);
+ }
+}
+
+void ParseUtils::splitStr(const std::string& line, const char& delimiter,
+ std::vector<std::string>& out) {
+ std::istringstream iss(line);
+ std::string item;
+ while (std::getline(iss, item, delimiter)) {
+ out.push_back(item);
+ }
+}
+
+bool ParseUtils::isValidHeader(const std::unordered_map<std::string, int>& columnNameIdMapping) {
+ std::vector<std::string> requiredHeaderColumns = {"Raw",
+ "utcTimeMillis",
+ "TimeNanos",
+ "LeapSecond",
+ "TimeUncertaintyNanos",
+ "FullBiasNanos",
+ "BiasNanos",
+ "BiasUncertaintyNanos",
+ "DriftNanosPerSecond",
+ "DriftUncertaintyNanosPerSecond",
+ "HardwareClockDiscontinuityCount",
+ "Svid",
+ "TimeOffsetNanos",
+ "State",
+ "ReceivedSvTimeNanos",
+ "ReceivedSvTimeUncertaintyNanos",
+ "Cn0DbHz",
+ "PseudorangeRateMetersPerSecond",
+ "PseudorangeRateUncertaintyMetersPerSecond",
+ "AccumulatedDeltaRangeState",
+ "AccumulatedDeltaRangeMeters",
+ "AccumulatedDeltaRangeUncertaintyMeters",
+ "CarrierFrequencyHz",
+ "CarrierCycles",
+ "CarrierPhase",
+ "CarrierPhaseUncertainty",
+ "MultipathIndicator",
+ "SnrInDb",
+ "ConstellationType",
+ "AgcDb",
+ "BasebandCn0DbHz",
+ "FullInterSignalBiasNanos",
+ "FullInterSignalBiasUncertaintyNanos",
+ "SatelliteInterSignalBiasNanos",
+ "SatelliteInterSignalBiasUncertaintyNanos",
+ "CodeType",
+ "ChipsetElapsedRealtimeNanos"};
+
+ for (const auto& columnName : requiredHeaderColumns) {
+ if (columnNameIdMapping.find(columnName) == columnNameIdMapping.end()) {
+ ALOGE("Missing column %s in header.", columnName.c_str());
+ return false;
+ }
+ }
+
+ return true;
+}
+
+} // namespace common
+} // namespace gnss
+} // namespace hardware
+} // namespace android
diff --git a/gnss/common/utils/default/include/GnssRawMeasurementParser.h b/gnss/common/utils/default/include/GnssRawMeasurementParser.h
new file mode 100644
index 0000000..7d6b4ef
--- /dev/null
+++ b/gnss/common/utils/default/include/GnssRawMeasurementParser.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef android_hardware_gnss_common_default_GnssRawMeasurementParser_H_
+#define android_hardware_gnss_common_default_GnssRawMeasurementParser_H_
+
+#include <aidl/android/hardware/gnss/BnGnss.h>
+#include <log/log.h>
+#include <utils/SystemClock.h>
+#include <string>
+#include <unordered_map>
+
+#include "Constants.h"
+#include "ParseUtils.h"
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+struct GnssRawMeasurementParser {
+ static std::unique_ptr<aidl::android::hardware::gnss::GnssData> getMeasurementFromStrs(
+ std::string& rawMeasurementStr);
+ static int getClockFlags(const std::vector<std::string>& rawMeasurementRecordValues,
+ const std::unordered_map<std::string, int>& columnNameIdMapping);
+ static int getElapsedRealtimeFlags(
+ const std::vector<std::string>& rawMeasurementRecordValues,
+ const std::unordered_map<std::string, int>& columnNameIdMapping);
+ static int getRawMeasurementFlags(
+ const std::vector<std::string>& rawMeasurementRecordValues,
+ const std::unordered_map<std::string, int>& columnNameIdMapping);
+ static std::unordered_map<std::string, int> getColumnIdNameMappingFromHeader(
+ const std::string& header);
+ static aidl::android::hardware::gnss::GnssConstellationType getGnssConstellationType(
+ int constellationType);
+};
+
+} // namespace common
+} // namespace gnss
+} // namespace hardware
+} // namespace android
+
+#endif // android_hardware_gnss_common_default_GnssRawMeasurementParser_H_
\ No newline at end of file
diff --git a/gnss/common/utils/default/include/ParseUtils.h b/gnss/common/utils/default/include/ParseUtils.h
new file mode 100644
index 0000000..3a56313
--- /dev/null
+++ b/gnss/common/utils/default/include/ParseUtils.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef android_hardware_gnss_common_default_ParseUtils_H_
+#define android_hardware_gnss_common_default_ParseUtils_H_
+
+#include <log/log.h>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+struct ParseUtils {
+ static int tryParseInt(const std::string& s, int defaultVal = 0);
+ static float tryParsefloat(const std::string& s, float defaultVal = 0.0);
+ static double tryParseDouble(const std::string& s, double defaultVal = 0.0);
+ static long tryParseLong(const std::string& s, long defaultVal = 0);
+ static long long tryParseLongLong(const std::string& s, long long defaultVal = 0);
+ static void splitStr(const std::string& line, const char& delimiter,
+ std::vector<std::string>& out);
+ static bool isValidHeader(const std::unordered_map<std::string, int>& columnNameIdMapping);
+};
+
+} // namespace common
+} // namespace gnss
+} // namespace hardware
+} // namespace android
+
+#endif // android_hardware_gnss_common_default_ParseUtils_H_
\ No newline at end of file