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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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 "ConfigManager.h"
#include <cstdlib>
namespace neurun
{
namespace config
{
ConfigManager &ConfigManager::instance()
{
static ConfigManager manager;
return manager;
}
ConfigManager::ConfigManager()
{
auto fetch_from_env_var = [&](const std::string &key) {
const char *value = std::getenv(key.c_str());
if (value != nullptr)
{
_map[key] = value;
}
};
#define CONFIG(Name, Type, Default) \
_map.insert({std::string{#Name}, std::string{Default}}); \
fetch_from_env_var(#Name);
#include "Config.lst"
#undef CONFIG
}
template <> bool ConfigManager::get<bool>(const std::string &key) const
{
auto raw = _map.at(key);
static const std::array<std::string, 5> false_list{"0", "OFF", "FALSE", "N", "NO"};
auto false_found = std::find(false_list.begin(), false_list.end(), raw);
return (false_found == false_list.end());
}
template <> int ConfigManager::get<int>(const std::string &key) const
{
auto raw = _map.at(key);
return std::stoi(raw);
}
template <> std::string ConfigManager::get<std::string>(const std::string &key) const
{
auto raw = _map.at(key);
return raw;
}
} // namespace config
} // namespace neurun
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