eive-obsw/mission/memory/NvmParameterBase.h
Robin Mueller ccf03b131b
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avoid exceptions
2023-03-08 14:50:25 +01:00

86 lines
2.1 KiB
C++

#ifndef BSP_Q7S_CORE_NVMPARAMS_NVMPARAMIF_H_
#define BSP_Q7S_CORE_NVMPARAMS_NVMPARAMIF_H_
#include <filesystem>
#include <nlohmann/json.hpp>
#include <string>
#include "fsfw/returnvalues/returnvalue.h"
#include "returnvalues/classIds.h"
class NVMParameterBase {
public:
virtual ~NVMParameterBase() {}
NVMParameterBase(std::string fullName);
/**
* @brief Use this constructor when name of json file shall be set on an later
* point
*/
NVMParameterBase();
bool getJsonFileExists();
/**
* Returns returnvalue::OK on successfull read and HasFileSystemIF::FILE_DOES_NOT_EXIST if
* file does not exist yet.
* @return
*/
virtual ReturnValue_t readJsonFile();
virtual ReturnValue_t writeJsonFile();
virtual void setFullName(std::string fullName);
std::string getFullName() const;
template <typename T>
ReturnValue_t insertValue(std::string key, T value);
template <typename T>
ReturnValue_t setValue(std::string key, T value);
template <typename T>
ReturnValue_t getValue(std::string key, T& value) const;
void printKeys() const;
void print() const;
private:
static const uint8_t INTERFACE_ID = CLASS_ID::NVM_PARAM_BASE;
//! [EXPORT] : [COMMENT] Specified key does not exist in json file
static const ReturnValue_t KEY_NOT_EXISTS = MAKE_RETURN_CODE(0xA0);
nlohmann::json json;
std::vector<std::string> keys;
std::string fullName = "";
};
template <typename T>
inline ReturnValue_t NVMParameterBase::insertValue(std::string key, T value) {
// Check whether key already exists. If it does not, insert it
if (std::find(keys.begin(), keys.end(), key) == keys.end()) {
keys.push_back(key);
}
json[key] = value;
return returnvalue::OK;
}
template <typename T>
inline ReturnValue_t NVMParameterBase::setValue(std::string key, T value) {
json[key] = value;
return returnvalue::OK;
}
template <typename T>
inline ReturnValue_t NVMParameterBase::getValue(std::string key, T& value) const {
if (!json.contains(key)) {
return KEY_NOT_EXISTS;
}
value = json[key];
return returnvalue::OK;
}
#endif /* BSP_Q7S_CORE_NVMPARAMS_NVMPARAMIF_H_ */