file_handler.cpp

 
// UFO
#include <ufo/io/file_handler.hpp>
 
// STL
#include <string>
#include <utility>
 
namespace ufo
{
FileHandler::FileHandler(std::filesystem::path const& file, std::string_view modes)
    : fp_(std::fopen(file.c_str(), std::string(modes).c_str()))
{
}
 
FileHandler::FileHandler(FileHandler&& other) noexcept
    : fp_(std::exchange(other.fp_, nullptr))
{
}
 
FileHandler& FileHandler::operator=(FileHandler&& other) noexcept
{
    if (this != &other) {
        close();
        fp_ = std::exchange(other.fp_, nullptr);
    }
    return *this;
}
 
FileHandler::~FileHandler() { close(); }
 
void FileHandler::open(std::filesystem::path const& file, std::string_view modes)
{
    close();
    fp_ = std::fopen(file.c_str(), std::string(modes).c_str());
}
 
void FileHandler::close() noexcept
{
    if (nullptr != fp_) {
        std::fclose(fp_);
        fp_ = nullptr;
    }
}
 
std::FILE* FileHandler::get() const noexcept { return fp_; }
 
char* FileHandler::readline()
{
    return std::fgets(buffer_.data(), static_cast<int>(buffer_size), fp_);
}
 
FileHandler::operator bool() const noexcept { return nullptr != fp_; }
}  // namespace ufo