io.hpp

Go to the documentation of this file.

// SPDX-License-Identifier: GPL-3.0-only
#pragma once
 
#include "io/io.h"
 
namespace ctu
{
    constexpr auto kIoDelete = [](io_t *io) { io_close(io); };
    using unique_io_t = std::unique_ptr<io_t, decltype(kIoDelete)>;
 
    class OsError
    {
        os_error_t error;
        std::string msg;
 
        void get_message();
 
    public:
        OsError(os_error_t error);
 
        operator os_error_t() const { return error; }
 
        bool success() const;
        bool failed() const;
 
        const char *what() const;
    };
 
    class Io
    {
        unique_io_t io;
 
        Io(io_t *io) : io(io, kIoDelete) {}
 
    public:
        static Io file(const char *path);
 
        OsError error() const;
 
        size_t size() const;
        const void *map() const;
 
        std::string_view text() const;
 
        const char *name() const;
 
        io_t *get() const { return io.get(); }
    };
 
}