633 lines
24 KiB
C++
633 lines
24 KiB
C++
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "KeyLayoutMap"
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#include <android/keycodes.h>
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#include <ftl/enum.h>
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#include <input/InputEventLabels.h>
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#include <input/KeyLayoutMap.h>
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#include <input/Keyboard.h>
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#include <log/log.h>
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#include <utils/Errors.h>
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#include <utils/Timers.h>
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#include <utils/Tokenizer.h>
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#include <vintf/RuntimeInfo.h>
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#include <vintf/VintfObject.h>
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#include <cstdlib>
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#include <string_view>
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#include <unordered_map>
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/**
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* Log debug output for the parser.
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* Enable this via "adb shell setprop log.tag.KeyLayoutMapParser DEBUG" (requires restart)
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*/
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const bool DEBUG_PARSER =
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__android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Parser", ANDROID_LOG_INFO);
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// Enables debug output for parser performance.
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#define DEBUG_PARSER_PERFORMANCE 0
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/**
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* Log debug output for mapping.
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* Enable this via "adb shell setprop log.tag.KeyLayoutMapMapping DEBUG" (requires restart)
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*/
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const bool DEBUG_MAPPING =
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__android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Mapping", ANDROID_LOG_INFO);
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namespace android {
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namespace {
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constexpr const char* WHITESPACE = " \t\r";
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template <InputDeviceSensorType S>
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constexpr auto sensorPair() {
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return std::make_pair(ftl::enum_name<S>(), S);
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}
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static const std::unordered_map<std::string_view, InputDeviceSensorType> SENSOR_LIST =
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{sensorPair<InputDeviceSensorType::ACCELEROMETER>(),
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sensorPair<InputDeviceSensorType::MAGNETIC_FIELD>(),
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sensorPair<InputDeviceSensorType::ORIENTATION>(),
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sensorPair<InputDeviceSensorType::GYROSCOPE>(),
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sensorPair<InputDeviceSensorType::LIGHT>(),
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sensorPair<InputDeviceSensorType::PRESSURE>(),
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sensorPair<InputDeviceSensorType::TEMPERATURE>(),
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sensorPair<InputDeviceSensorType::PROXIMITY>(),
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sensorPair<InputDeviceSensorType::GRAVITY>(),
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sensorPair<InputDeviceSensorType::LINEAR_ACCELERATION>(),
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sensorPair<InputDeviceSensorType::ROTATION_VECTOR>(),
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sensorPair<InputDeviceSensorType::RELATIVE_HUMIDITY>(),
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sensorPair<InputDeviceSensorType::AMBIENT_TEMPERATURE>(),
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sensorPair<InputDeviceSensorType::MAGNETIC_FIELD_UNCALIBRATED>(),
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sensorPair<InputDeviceSensorType::GAME_ROTATION_VECTOR>(),
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sensorPair<InputDeviceSensorType::GYROSCOPE_UNCALIBRATED>(),
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sensorPair<InputDeviceSensorType::SIGNIFICANT_MOTION>()};
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bool kernelConfigsArePresent(const std::set<std::string>& configs) {
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std::shared_ptr<const android::vintf::RuntimeInfo> runtimeInfo =
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android::vintf::VintfObject::GetInstance()->getRuntimeInfo(
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vintf::RuntimeInfo::FetchFlag::CONFIG_GZ);
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LOG_ALWAYS_FATAL_IF(runtimeInfo == nullptr, "Kernel configs could not be fetched");
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const std::map<std::string, std::string>& kernelConfigs = runtimeInfo->kernelConfigs();
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for (const std::string& requiredConfig : configs) {
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const auto configIt = kernelConfigs.find(requiredConfig);
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if (configIt == kernelConfigs.end()) {
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ALOGI("Required kernel config %s is not found", requiredConfig.c_str());
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return false;
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}
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const std::string& option = configIt->second;
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if (option != "y" && option != "m") {
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ALOGI("Required kernel config %s has option %s", requiredConfig.c_str(),
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option.c_str());
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return false;
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}
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}
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return true;
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}
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} // namespace
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KeyLayoutMap::KeyLayoutMap() = default;
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KeyLayoutMap::~KeyLayoutMap() = default;
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base::Result<std::shared_ptr<KeyLayoutMap>> KeyLayoutMap::loadContents(const std::string& filename,
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const char* contents) {
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return load(filename, contents);
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}
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base::Result<std::shared_ptr<KeyLayoutMap>> KeyLayoutMap::load(const std::string& filename,
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const char* contents) {
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Tokenizer* tokenizer;
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status_t status;
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if (contents == nullptr) {
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status = Tokenizer::open(String8(filename.c_str()), &tokenizer);
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} else {
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status = Tokenizer::fromContents(String8(filename.c_str()), contents, &tokenizer);
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}
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if (status) {
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ALOGE("Error %d opening key layout map file %s.", status, filename.c_str());
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return Errorf("Error {} opening key layout map file {}.", status, filename.c_str());
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}
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std::unique_ptr<Tokenizer> t(tokenizer);
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auto ret = load(t.get());
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if (!ret.ok()) {
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return ret;
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}
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const std::shared_ptr<KeyLayoutMap>& map = *ret;
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LOG_ALWAYS_FATAL_IF(map == nullptr, "Returned map should not be null if there's no error");
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if (!kernelConfigsArePresent(map->mRequiredKernelConfigs)) {
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ALOGI("Not loading %s because the required kernel configs are not set", filename.c_str());
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return Errorf("Missing kernel config");
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}
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map->mLoadFileName = filename;
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return ret;
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}
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base::Result<std::shared_ptr<KeyLayoutMap>> KeyLayoutMap::load(Tokenizer* tokenizer) {
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std::shared_ptr<KeyLayoutMap> map = std::shared_ptr<KeyLayoutMap>(new KeyLayoutMap());
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status_t status = OK;
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if (!map.get()) {
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ALOGE("Error allocating key layout map.");
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return Errorf("Error allocating key layout map.");
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} else {
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#if DEBUG_PARSER_PERFORMANCE
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nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
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#endif
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Parser parser(map.get(), tokenizer);
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status = parser.parse();
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#if DEBUG_PARSER_PERFORMANCE
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nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
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ALOGD("Parsed key layout map file '%s' %d lines in %0.3fms.",
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tokenizer->getFilename().string(), tokenizer->getLineNumber(),
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elapsedTime / 1000000.0);
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#endif
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if (!status) {
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return std::move(map);
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}
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}
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return Errorf("Load KeyLayoutMap failed {}.", status);
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}
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status_t KeyLayoutMap::mapKey(int32_t scanCode, int32_t usageCode,
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int32_t* outKeyCode, uint32_t* outFlags) const {
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const Key* key = getKey(scanCode, usageCode);
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if (!key) {
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ALOGD_IF(DEBUG_MAPPING, "mapKey: scanCode=%d, usageCode=0x%08x ~ Failed.", scanCode,
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usageCode);
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*outKeyCode = AKEYCODE_UNKNOWN;
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*outFlags = 0;
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return NAME_NOT_FOUND;
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}
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*outKeyCode = key->keyCode;
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*outFlags = key->flags;
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ALOGD_IF(DEBUG_MAPPING,
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"mapKey: scanCode=%d, usageCode=0x%08x ~ Result keyCode=%d, outFlags=0x%08x.",
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scanCode, usageCode, *outKeyCode, *outFlags);
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return NO_ERROR;
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}
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// Return pair of sensor type and sensor data index, for the input device abs code
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base::Result<std::pair<InputDeviceSensorType, int32_t>> KeyLayoutMap::mapSensor(int32_t absCode) {
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auto it = mSensorsByAbsCode.find(absCode);
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if (it == mSensorsByAbsCode.end()) {
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ALOGD_IF(DEBUG_MAPPING, "mapSensor: absCode=%d, ~ Failed.", absCode);
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return Errorf("Can't find abs code {}.", absCode);
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}
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const Sensor& sensor = it->second;
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ALOGD_IF(DEBUG_MAPPING, "mapSensor: absCode=%d, sensorType=%s, sensorDataIndex=0x%x.", absCode,
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ftl::enum_string(sensor.sensorType).c_str(), sensor.sensorDataIndex);
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return std::make_pair(sensor.sensorType, sensor.sensorDataIndex);
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}
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const KeyLayoutMap::Key* KeyLayoutMap::getKey(int32_t scanCode, int32_t usageCode) const {
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if (usageCode) {
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ssize_t index = mKeysByUsageCode.indexOfKey(usageCode);
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if (index >= 0) {
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return &mKeysByUsageCode.valueAt(index);
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}
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}
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if (scanCode) {
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ssize_t index = mKeysByScanCode.indexOfKey(scanCode);
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if (index >= 0) {
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return &mKeysByScanCode.valueAt(index);
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}
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}
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return nullptr;
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}
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status_t KeyLayoutMap::findScanCodesForKey(
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int32_t keyCode, std::vector<int32_t>* outScanCodes) const {
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const size_t N = mKeysByScanCode.size();
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for (size_t i=0; i<N; i++) {
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if (mKeysByScanCode.valueAt(i).keyCode == keyCode) {
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outScanCodes->push_back(mKeysByScanCode.keyAt(i));
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}
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}
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return NO_ERROR;
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}
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status_t KeyLayoutMap::mapAxis(int32_t scanCode, AxisInfo* outAxisInfo) const {
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ssize_t index = mAxes.indexOfKey(scanCode);
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if (index < 0) {
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ALOGD_IF(DEBUG_MAPPING, "mapAxis: scanCode=%d ~ Failed.", scanCode);
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return NAME_NOT_FOUND;
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}
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*outAxisInfo = mAxes.valueAt(index);
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ALOGD_IF(DEBUG_MAPPING,
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"mapAxis: scanCode=%d ~ Result mode=%d, axis=%d, highAxis=%d, "
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"splitValue=%d, flatOverride=%d.",
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scanCode, outAxisInfo->mode, outAxisInfo->axis, outAxisInfo->highAxis,
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outAxisInfo->splitValue, outAxisInfo->flatOverride);
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return NO_ERROR;
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}
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status_t KeyLayoutMap::findScanCodeForLed(int32_t ledCode, int32_t* outScanCode) const {
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const size_t N = mLedsByScanCode.size();
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for (size_t i = 0; i < N; i++) {
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if (mLedsByScanCode.valueAt(i).ledCode == ledCode) {
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*outScanCode = mLedsByScanCode.keyAt(i);
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ALOGD_IF(DEBUG_MAPPING, "findScanCodeForLed: ledCode=%d, scanCode=%d.", ledCode,
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*outScanCode);
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return NO_ERROR;
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}
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}
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ALOGD_IF(DEBUG_MAPPING, "findScanCodeForLed: ledCode=%d ~ Not found.", ledCode);
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return NAME_NOT_FOUND;
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}
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status_t KeyLayoutMap::findUsageCodeForLed(int32_t ledCode, int32_t* outUsageCode) const {
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const size_t N = mLedsByUsageCode.size();
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for (size_t i = 0; i < N; i++) {
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if (mLedsByUsageCode.valueAt(i).ledCode == ledCode) {
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*outUsageCode = mLedsByUsageCode.keyAt(i);
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ALOGD_IF(DEBUG_MAPPING, "%s: ledCode=%d, usage=%x.", __func__, ledCode, *outUsageCode);
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return NO_ERROR;
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}
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}
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ALOGD_IF(DEBUG_MAPPING, "%s: ledCode=%d ~ Not found.", __func__, ledCode);
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return NAME_NOT_FOUND;
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}
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// --- KeyLayoutMap::Parser ---
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KeyLayoutMap::Parser::Parser(KeyLayoutMap* map, Tokenizer* tokenizer) :
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mMap(map), mTokenizer(tokenizer) {
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}
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KeyLayoutMap::Parser::~Parser() {
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}
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status_t KeyLayoutMap::Parser::parse() {
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while (!mTokenizer->isEof()) {
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ALOGD_IF(DEBUG_PARSER, "Parsing %s: '%s'.", mTokenizer->getLocation().string(),
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mTokenizer->peekRemainderOfLine().string());
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mTokenizer->skipDelimiters(WHITESPACE);
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if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') {
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String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
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if (keywordToken == "key") {
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mTokenizer->skipDelimiters(WHITESPACE);
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status_t status = parseKey();
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if (status) return status;
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} else if (keywordToken == "axis") {
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mTokenizer->skipDelimiters(WHITESPACE);
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status_t status = parseAxis();
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if (status) return status;
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} else if (keywordToken == "led") {
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mTokenizer->skipDelimiters(WHITESPACE);
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status_t status = parseLed();
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if (status) return status;
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} else if (keywordToken == "sensor") {
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mTokenizer->skipDelimiters(WHITESPACE);
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status_t status = parseSensor();
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if (status) return status;
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} else if (keywordToken == "requires_kernel_config") {
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mTokenizer->skipDelimiters(WHITESPACE);
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status_t status = parseRequiredKernelConfig();
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if (status) return status;
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} else {
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ALOGE("%s: Expected keyword, got '%s'.", mTokenizer->getLocation().string(),
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keywordToken.string());
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return BAD_VALUE;
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}
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mTokenizer->skipDelimiters(WHITESPACE);
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if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') {
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ALOGE("%s: Expected end of line or trailing comment, got '%s'.",
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mTokenizer->getLocation().string(),
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mTokenizer->peekRemainderOfLine().string());
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return BAD_VALUE;
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}
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}
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mTokenizer->nextLine();
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}
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return NO_ERROR;
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}
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status_t KeyLayoutMap::Parser::parseKey() {
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String8 codeToken = mTokenizer->nextToken(WHITESPACE);
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bool mapUsage = false;
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if (codeToken == "usage") {
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mapUsage = true;
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mTokenizer->skipDelimiters(WHITESPACE);
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codeToken = mTokenizer->nextToken(WHITESPACE);
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}
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char* end;
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int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
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if (*end) {
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ALOGE("%s: Expected key %s number, got '%s'.", mTokenizer->getLocation().string(),
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mapUsage ? "usage" : "scan code", codeToken.string());
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return BAD_VALUE;
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}
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KeyedVector<int32_t, Key>& map = mapUsage ? mMap->mKeysByUsageCode : mMap->mKeysByScanCode;
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if (map.indexOfKey(code) >= 0) {
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ALOGE("%s: Duplicate entry for key %s '%s'.", mTokenizer->getLocation().string(),
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mapUsage ? "usage" : "scan code", codeToken.string());
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return BAD_VALUE;
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}
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mTokenizer->skipDelimiters(WHITESPACE);
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String8 keyCodeToken = mTokenizer->nextToken(WHITESPACE);
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int32_t keyCode = InputEventLookup::getKeyCodeByLabel(keyCodeToken.string());
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if (!keyCode) {
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ALOGE("%s: Expected key code label, got '%s'.", mTokenizer->getLocation().string(),
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keyCodeToken.string());
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return BAD_VALUE;
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}
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uint32_t flags = 0;
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for (;;) {
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mTokenizer->skipDelimiters(WHITESPACE);
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if (mTokenizer->isEol() || mTokenizer->peekChar() == '#') break;
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String8 flagToken = mTokenizer->nextToken(WHITESPACE);
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uint32_t flag = InputEventLookup::getKeyFlagByLabel(flagToken.string());
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if (!flag) {
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ALOGE("%s: Expected key flag label, got '%s'.", mTokenizer->getLocation().string(),
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flagToken.string());
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return BAD_VALUE;
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}
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if (flags & flag) {
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ALOGE("%s: Duplicate key flag '%s'.", mTokenizer->getLocation().string(),
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flagToken.string());
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return BAD_VALUE;
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}
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flags |= flag;
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}
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ALOGD_IF(DEBUG_PARSER, "Parsed key %s: code=%d, keyCode=%d, flags=0x%08x.",
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mapUsage ? "usage" : "scan code", code, keyCode, flags);
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Key key;
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key.keyCode = keyCode;
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key.flags = flags;
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map.add(code, key);
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return NO_ERROR;
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}
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status_t KeyLayoutMap::Parser::parseAxis() {
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String8 scanCodeToken = mTokenizer->nextToken(WHITESPACE);
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char* end;
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int32_t scanCode = int32_t(strtol(scanCodeToken.string(), &end, 0));
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if (*end) {
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ALOGE("%s: Expected axis scan code number, got '%s'.", mTokenizer->getLocation().string(),
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scanCodeToken.string());
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return BAD_VALUE;
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}
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if (mMap->mAxes.indexOfKey(scanCode) >= 0) {
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ALOGE("%s: Duplicate entry for axis scan code '%s'.", mTokenizer->getLocation().string(),
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scanCodeToken.string());
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return BAD_VALUE;
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}
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AxisInfo axisInfo;
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mTokenizer->skipDelimiters(WHITESPACE);
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String8 token = mTokenizer->nextToken(WHITESPACE);
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if (token == "invert") {
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axisInfo.mode = AxisInfo::MODE_INVERT;
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mTokenizer->skipDelimiters(WHITESPACE);
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String8 axisToken = mTokenizer->nextToken(WHITESPACE);
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axisInfo.axis = InputEventLookup::getAxisByLabel(axisToken.string());
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if (axisInfo.axis < 0) {
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ALOGE("%s: Expected inverted axis label, got '%s'.",
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mTokenizer->getLocation().string(), axisToken.string());
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return BAD_VALUE;
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}
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} else if (token == "split") {
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axisInfo.mode = AxisInfo::MODE_SPLIT;
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mTokenizer->skipDelimiters(WHITESPACE);
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String8 splitToken = mTokenizer->nextToken(WHITESPACE);
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axisInfo.splitValue = int32_t(strtol(splitToken.string(), &end, 0));
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if (*end) {
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ALOGE("%s: Expected split value, got '%s'.",
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mTokenizer->getLocation().string(), splitToken.string());
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return BAD_VALUE;
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}
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mTokenizer->skipDelimiters(WHITESPACE);
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String8 lowAxisToken = mTokenizer->nextToken(WHITESPACE);
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axisInfo.axis = InputEventLookup::getAxisByLabel(lowAxisToken.string());
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if (axisInfo.axis < 0) {
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ALOGE("%s: Expected low axis label, got '%s'.",
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mTokenizer->getLocation().string(), lowAxisToken.string());
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return BAD_VALUE;
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}
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mTokenizer->skipDelimiters(WHITESPACE);
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String8 highAxisToken = mTokenizer->nextToken(WHITESPACE);
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axisInfo.highAxis = InputEventLookup::getAxisByLabel(highAxisToken.string());
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if (axisInfo.highAxis < 0) {
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ALOGE("%s: Expected high axis label, got '%s'.",
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mTokenizer->getLocation().string(), highAxisToken.string());
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return BAD_VALUE;
|
|
}
|
|
} else {
|
|
axisInfo.axis = InputEventLookup::getAxisByLabel(token.string());
|
|
if (axisInfo.axis < 0) {
|
|
ALOGE("%s: Expected axis label, 'split' or 'invert', got '%s'.",
|
|
mTokenizer->getLocation().string(), token.string());
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
mTokenizer->skipDelimiters(WHITESPACE);
|
|
if (mTokenizer->isEol() || mTokenizer->peekChar() == '#') {
|
|
break;
|
|
}
|
|
String8 keywordToken = mTokenizer->nextToken(WHITESPACE);
|
|
if (keywordToken == "flat") {
|
|
mTokenizer->skipDelimiters(WHITESPACE);
|
|
String8 flatToken = mTokenizer->nextToken(WHITESPACE);
|
|
axisInfo.flatOverride = int32_t(strtol(flatToken.string(), &end, 0));
|
|
if (*end) {
|
|
ALOGE("%s: Expected flat value, got '%s'.",
|
|
mTokenizer->getLocation().string(), flatToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
} else {
|
|
ALOGE("%s: Expected keyword 'flat', got '%s'.",
|
|
mTokenizer->getLocation().string(), keywordToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
}
|
|
|
|
ALOGD_IF(DEBUG_PARSER,
|
|
"Parsed axis: scanCode=%d, mode=%d, axis=%d, highAxis=%d, "
|
|
"splitValue=%d, flatOverride=%d.",
|
|
scanCode, axisInfo.mode, axisInfo.axis, axisInfo.highAxis, axisInfo.splitValue,
|
|
axisInfo.flatOverride);
|
|
|
|
mMap->mAxes.add(scanCode, axisInfo);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t KeyLayoutMap::Parser::parseLed() {
|
|
String8 codeToken = mTokenizer->nextToken(WHITESPACE);
|
|
bool mapUsage = false;
|
|
if (codeToken == "usage") {
|
|
mapUsage = true;
|
|
mTokenizer->skipDelimiters(WHITESPACE);
|
|
codeToken = mTokenizer->nextToken(WHITESPACE);
|
|
}
|
|
char* end;
|
|
int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
|
|
if (*end) {
|
|
ALOGE("%s: Expected led %s number, got '%s'.", mTokenizer->getLocation().string(),
|
|
mapUsage ? "usage" : "scan code", codeToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
KeyedVector<int32_t, Led>& map = mapUsage ? mMap->mLedsByUsageCode : mMap->mLedsByScanCode;
|
|
if (map.indexOfKey(code) >= 0) {
|
|
ALOGE("%s: Duplicate entry for led %s '%s'.", mTokenizer->getLocation().string(),
|
|
mapUsage ? "usage" : "scan code", codeToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
mTokenizer->skipDelimiters(WHITESPACE);
|
|
String8 ledCodeToken = mTokenizer->nextToken(WHITESPACE);
|
|
int32_t ledCode = InputEventLookup::getLedByLabel(ledCodeToken.string());
|
|
if (ledCode < 0) {
|
|
ALOGE("%s: Expected LED code label, got '%s'.", mTokenizer->getLocation().string(),
|
|
ledCodeToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
ALOGD_IF(DEBUG_PARSER, "Parsed led %s: code=%d, ledCode=%d.", mapUsage ? "usage" : "scan code",
|
|
code, ledCode);
|
|
|
|
Led led;
|
|
led.ledCode = ledCode;
|
|
map.add(code, led);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
static std::optional<InputDeviceSensorType> getSensorType(const char* token) {
|
|
auto it = SENSOR_LIST.find(token);
|
|
if (it == SENSOR_LIST.end()) {
|
|
return std::nullopt;
|
|
}
|
|
return it->second;
|
|
}
|
|
|
|
static std::optional<int32_t> getSensorDataIndex(String8 token) {
|
|
std::string tokenStr(token.string());
|
|
if (tokenStr == "X") {
|
|
return 0;
|
|
} else if (tokenStr == "Y") {
|
|
return 1;
|
|
} else if (tokenStr == "Z") {
|
|
return 2;
|
|
}
|
|
return std::nullopt;
|
|
}
|
|
|
|
// Parse sensor type and data index mapping, as below format
|
|
// sensor <raw abs> <sensor type> <sensor data index>
|
|
// raw abs : the linux abs code of the axis
|
|
// sensor type : string name of InputDeviceSensorType
|
|
// sensor data index : the data index of sensor, out of [X, Y, Z]
|
|
// Examples:
|
|
// sensor 0x00 ACCELEROMETER X
|
|
// sensor 0x01 ACCELEROMETER Y
|
|
// sensor 0x02 ACCELEROMETER Z
|
|
// sensor 0x03 GYROSCOPE X
|
|
// sensor 0x04 GYROSCOPE Y
|
|
// sensor 0x05 GYROSCOPE Z
|
|
status_t KeyLayoutMap::Parser::parseSensor() {
|
|
String8 codeToken = mTokenizer->nextToken(WHITESPACE);
|
|
char* end;
|
|
int32_t code = int32_t(strtol(codeToken.string(), &end, 0));
|
|
if (*end) {
|
|
ALOGE("%s: Expected sensor %s number, got '%s'.", mTokenizer->getLocation().string(),
|
|
"abs code", codeToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
std::unordered_map<int32_t, Sensor>& map = mMap->mSensorsByAbsCode;
|
|
if (map.find(code) != map.end()) {
|
|
ALOGE("%s: Duplicate entry for sensor %s '%s'.", mTokenizer->getLocation().string(),
|
|
"abs code", codeToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
mTokenizer->skipDelimiters(WHITESPACE);
|
|
String8 sensorTypeToken = mTokenizer->nextToken(WHITESPACE);
|
|
std::optional<InputDeviceSensorType> typeOpt = getSensorType(sensorTypeToken.string());
|
|
if (!typeOpt) {
|
|
ALOGE("%s: Expected sensor code label, got '%s'.", mTokenizer->getLocation().string(),
|
|
sensorTypeToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
InputDeviceSensorType sensorType = typeOpt.value();
|
|
mTokenizer->skipDelimiters(WHITESPACE);
|
|
String8 sensorDataIndexToken = mTokenizer->nextToken(WHITESPACE);
|
|
std::optional<int32_t> indexOpt = getSensorDataIndex(sensorDataIndexToken);
|
|
if (!indexOpt) {
|
|
ALOGE("%s: Expected sensor data index label, got '%s'.", mTokenizer->getLocation().string(),
|
|
sensorDataIndexToken.string());
|
|
return BAD_VALUE;
|
|
}
|
|
int32_t sensorDataIndex = indexOpt.value();
|
|
|
|
ALOGD_IF(DEBUG_PARSER, "Parsed sensor: abs code=%d, sensorType=%s, sensorDataIndex=%d.", code,
|
|
ftl::enum_string(sensorType).c_str(), sensorDataIndex);
|
|
|
|
Sensor sensor;
|
|
sensor.sensorType = sensorType;
|
|
sensor.sensorDataIndex = sensorDataIndex;
|
|
map.emplace(code, sensor);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// Parse the name of a required kernel config.
|
|
// The layout won't be used if the specified kernel config is not present
|
|
// Examples:
|
|
// requires_kernel_config CONFIG_HID_PLAYSTATION
|
|
status_t KeyLayoutMap::Parser::parseRequiredKernelConfig() {
|
|
String8 codeToken = mTokenizer->nextToken(WHITESPACE);
|
|
std::string configName = codeToken.string();
|
|
|
|
const auto result = mMap->mRequiredKernelConfigs.emplace(configName);
|
|
if (!result.second) {
|
|
ALOGE("%s: Duplicate entry for required kernel config %s.",
|
|
mTokenizer->getLocation().string(), configName.c_str());
|
|
return BAD_VALUE;
|
|
}
|
|
|
|
ALOGD_IF(DEBUG_PARSER, "Parsed required kernel config: name=%s", configName.c_str());
|
|
return NO_ERROR;
|
|
}
|
|
|
|
} // namespace android
|