file_handler.hpp

 
#ifndef UFO_IO_FILE_HANDLER_HPP
#define UFO_IO_FILE_HANDLER_HPP
 
// STL
#include <array>
#include <cstddef>
#include <cstdio>
#include <filesystem>
#include <string_view>
 
namespace ufo
{
class FileHandler
{
 public:
    static constexpr std::size_t buffer_size = 1024;
 
    FileHandler() = default;
 
    FileHandler(std::filesystem::path const& file, std::string_view modes);
 
    FileHandler(FileHandler const&)            = delete;
    FileHandler& operator=(FileHandler const&) = delete;
 
    FileHandler(FileHandler&& other) noexcept;
 
    FileHandler& operator=(FileHandler&& other) noexcept;
 
    ~FileHandler();
 
    void open(std::filesystem::path const& file, std::string_view modes);
 
    void close() noexcept;
 
    [[nodiscard]] std::FILE* get() const noexcept;
 
    [[nodiscard]] char* readline();
 
    [[nodiscard]] explicit operator bool() const noexcept;
 
 private:
    std::FILE*                    fp_ = nullptr;
    std::array<char, buffer_size> buffer_;
};
}  // namespace ufo
 
#endif  // UFO_IO_FILE_HANDLER_HPP