file_concepts.hpp

Go to the documentation of this file.

/* SPDX-FileCopyrightText: Copyright (c) 2022-2025 Oğuz Toraman <oguz.toraman@tutanota.com> */
/* SPDX-License-Identifier: LGPL-3.0-only */
 
#ifndef FILE_CONCEPTS_HPP
#define FILE_CONCEPTS_HPP
 
#include <filesystem>
 
#include "utility.hpp"
 
namespace file_concepts {
 
template <typename ContainerType>
concept file_container = std::ranges::range<ContainerType>
                      && std::default_initializable<ContainerType>
                      && std::same_as<
                             typename ContainerType::value_type,
                             std::filesystem::path>
                      && requires(ContainerType c, std::filesystem::path p) {
                             c.push_back(p);
                             c.empty();
                             typename ContainerType::value_type;
                         };
 
[[nodiscard]] inline std::string to_string(
    const file_container auto& container,
    const std::string&         separator = ", "
)
{
    return utility::to_string(
        container,
        separator,
        [](const std::filesystem::path& path) {
            return path.string();
        }
    );
}
 
} /* namespace file_concepts */
 
#endif /* FILE_CONCEPTS_HPP */