temporal.hh

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/*
 * libkeepass - KeePass key database importer/exporter
 * Copyright (C) 2014 Christian Kindahl
 * Copyright (C) 2024 Dominik Krümpelmann
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
#include <ctime>
 
namespace keepass {
 
template <typename T> class temporal {
private:
  T value_;              
  std::time_t time_ = 0; 
 
public:
  temporal() = default;
 
  temporal(const T& value, std::time_t time) : value_(value), time_(time) {}
 
  temporal(const temporal<T>& other) {
    value_ = other.value_;
    time_ = other.time_;
  }
 
  temporal(temporal<T>&& other) noexcept {
    value_ = std::move(other.value_);
    time_ = std::move(other.time_);
  }
 
  const T& value() const { return value_; }
 
  std::time_t time() const { return time_; }
 
  void set_time(std::time_t time) { time_ = time; }
 
  void Set(const T& val) {
    value_ = val;
    time_ = std::time(nullptr);
  }
 
  temporal<T>& operator=(const T& value) {
    value_ = value;
    time_ = std::time(nullptr);
    return *this;
  }
 
  temporal<T>& operator=(const temporal<T>& other) {
    value_ = other.value_;
    time_ = other.time_;
    return *this;
  }
 
  temporal<T>& operator=(temporal<T>&& other) noexcept {
    value_ = std::move(other.value_);
    time_ = std::move(other.time_);
    return *this;
  }
 
  explicit operator const T&() const { return value_; }
 
  const T* operator->() const { return &value_; }
 
  const T& operator*() const { return value_; }
};
 
} // namespace keepass