/*
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* Copyright 2017 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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#include "nfc_config.h"
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#include "NfcAdaptation.h"
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/parseint.h>
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#include <android-base/strings.h>
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#include <config.h>
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using namespace ::std;
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using namespace ::android::base;
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namespace {
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std::string findConfigPath() {
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const vector<string> search_path = {"/odm/etc/", "/vendor/etc/",
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"/product/etc/", "/etc/"};
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const string file_name = "libnfc-nci.conf";
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for (string path : search_path) {
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path.append(file_name);
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struct stat file_stat;
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if (stat(path.c_str(), &file_stat) != 0) continue;
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if (S_ISREG(file_stat.st_mode)) return path;
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}
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return "";
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}
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} // namespace
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void NfcConfig::loadConfig() {
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string config_path = findConfigPath();
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CHECK(config_path != "");
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config_.parseFromFile(config_path);
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/* Read vendor specific configs */
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NfcAdaptation& theInstance = NfcAdaptation::GetInstance();
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std::map<std::string, ConfigValue> configMap;
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theInstance.GetVendorConfigs(configMap);
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for (auto config : configMap) {
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config_.addConfig(config.first, config.second);
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}
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}
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NfcConfig::NfcConfig() { loadConfig(); }
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NfcConfig& NfcConfig::getInstance() {
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static NfcConfig theInstance;
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if (theInstance.config_.isEmpty()) {
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theInstance.loadConfig();
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}
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return theInstance;
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}
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bool NfcConfig::hasKey(const std::string& key) {
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return getInstance().config_.hasKey(key);
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}
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std::string NfcConfig::getString(const std::string& key) {
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return getInstance().config_.getString(key);
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}
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std::string NfcConfig::getString(const std::string& key,
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std::string default_value) {
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if (hasKey(key)) return getString(key);
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return default_value;
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}
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unsigned NfcConfig::getUnsigned(const std::string& key) {
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return getInstance().config_.getUnsigned(key);
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}
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unsigned NfcConfig::getUnsigned(const std::string& key,
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unsigned default_value) {
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if (hasKey(key)) return getUnsigned(key);
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return default_value;
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}
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std::vector<uint8_t> NfcConfig::getBytes(const std::string& key) {
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return getInstance().config_.getBytes(key);
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}
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void NfcConfig::clear() { getInstance().config_.clear(); }
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