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#pragma once
#include "sensorset.hpp"
#include <string>
namespace env
{
/** @brief Reads an environment variable
*
* Reads the environment for that key
*
* @param[in] key - the key
*
* @return string - the env var value
*/
std::string getEnv(const char* key);
/** @brief Reads an environment variable
*
* Reads <prefix>_<sensor.first><sensor.second>
*
* @param[in] prefix - the variable prefix
* @param[in] sensor - Sensor details
*
* @return string - the env var value
*/
std::string getEnv(const char* prefix, const SensorSet::key_type& sensor);
/** @brief Reads an environment variable, and takes type and id separately
*
* @param[in] prefix - the variable prefix
* @param[in] type - sensor type, like 'temp'
* @param[in] id - sensor ID, like '5'
*
* @return string - the env var value
*/
std::string getEnv(const char* prefix, const std::string& type,
const std::string& id);
/** @brief Gets the ID for the sensor with a level of indirection
*
* Read the ID from the <path>/<item><X>_<suffix> file.
* <item> & <X> are populated from the sensor key.
*
* @param[in] path - Directory path of the label file
* @param[in] fileSuffix - The file suffix
* @param[in] sensor - Sensor details
*/
std::string getIndirectID(std::string path, const std::string& fileSuffix,
const SensorSet::key_type& sensor);
} // namespace env
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