util.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 <algorithm>
#include <array>
#include <ctime>
#include <functional>
#include <memory>
#include <string>
#include <vector>
 
#include "libkeepass/export.hh"
 
namespace keepass {
 
template <typename T> inline T clamp(T min, T max, T val) {
  return std::max<T>(min, std::min<T>(max, val));
}
 
template <typename T>
inline bool indirect_equal(const std::vector<T>& v0, const std::vector<T>& v1) {
  return std::equal(v0.begin(), v0.end(), v1.begin(),
                    [](const T& a, const T& b) { return *a == *b; });
}
 
template <typename T>
inline bool indirect_equal(const std::shared_ptr<T>& p0, const std::shared_ptr<T>& p1) {
  if (p0 != nullptr && p1 != nullptr)
    return *p0 == *p1;
 
  return p0 == nullptr && p1 == nullptr;
}
 
template <typename T, const std::vector<std::shared_ptr<T>>& (T::*F)() const>
inline void dfs(const std::shared_ptr<T>& current,
                std::function<void(const std::shared_ptr<T>&, std::size_t)> callback,
                std::size_t level = 0) {
  for (auto child : ((current.get())->*F)()) {
    // Note that we're not invoking the callback for the root.
    callback(child, level);
    dfs<T, F>(child, callback, level + 1);
  }
}
 
LIBKEEPASS_API std::string time_to_str(const std::time_t& time);
 
LIBKEEPASS_API std::array<uint8_t, 16> generate_uuid();
 
} // namespace keepass