mdfhelper.h

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/*
 * Copyright 2022 Ingemar Hedvall
 * SPDX-License-Identifier: MIT
 */
#pragma once
#include <cstdint>
#include <string>
#include <vector>
 
namespace mdf {
class MdfHelper {
 public:
  static uint64_t NanoSecToLocal(uint64_t ns_since_1970);
 
  static int64_t TimeZoneOffset();
 
  static int64_t GmtOffsetNs();
 
  static int64_t DstOffsetNs();
 
  static std::string NsToLocalIsoTime(uint64_t ns_since_1970);
 
  static std::vector<uint8_t> NsToCanOpenDateArray(uint64_t ns_since_1970);
 
  static std::vector<uint8_t> NsToCanOpenTimeArray(uint64_t ns_since_1970);
 
  static uint64_t CanOpenDateArrayToNs(const std::vector<uint8_t> &buffer);
 
  static uint64_t CanOpenTimeArrayToNs(const std::vector<uint8_t> &buffer);
 
  static std::string NanoSecToDDMMYYYY(uint64_t ns_since_1970);
 
  static std::string NanoSecToHHMMSS(uint64_t ns_since_1970);
  
  static std::string NanoSecUtcToHHMMSS(uint64_t timestamp_ns);
  
  static std::string NanoSecUtcToDDMMYYYY(uint64_t timestamp_ns);
  
  static std::string NanoSecTzToHHMMSS(uint64_t timestamp_ns, int16_t tz_offset_min, int16_t dst_offset_min);
  
  static std::string NanoSecTzToDDMMYYYY(uint64_t timestamp_ns, int16_t tz_offset_min, int16_t dst_offset_min);
 
  static void Trim(std::string &text);
 
  static std::string FormatDouble(
      double value, uint8_t decimals, bool fixed = false,
      const std::string &unit = {});  
 
  static uint64_t NowNs(); 
 
  static std::string Latin1ToUtf8(const std::string &latin1);
  static std::string Utf16ToUtf8(const std::wstring &utf16);
  static std::wstring Utf8ToUtf16(const std::string &utf8);
  static bool ComputerUseLittleEndian();
 
  static std::vector<uint8_t> TextToByteArray(const std::string& text);
};
 
}  // namespace mdf