fsresult.hpp

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#ifndef LIBFILEZILLA_FSRESULT_HEADER
#define LIBFILEZILLA_FSRESULT_HEADER

#include "private/visibility.hpp"

#include <stdint.h>
#include <stddef.h>

namespace fz {

class FZ_PUBLIC_SYMBOL result
{
public:
    enum error {
        ok,
        none = ok,

        invalid,

        noperm,

        nofile,

        nodir,

        nospace,

        resource_limit,

        preexisting,

        other
    };

#if FZ_WINDOWS
    typedef uint32_t raw_t; // DWORD alternative without windows.h
#else
    typedef int raw_t;
#endif

    explicit operator bool() const { return error_ == 0; }

    error error_{};

    raw_t raw_{};
};

class FZ_PUBLIC_SYMBOL rwresult final
{
public:
#if FZ_WINDOWS
    typedef uint32_t raw_t; // DWORD alternative without windows.h
#else
    typedef int raw_t;
#endif

    enum error {
        none,

        invalid,

        nospace,

        wouldblock,

        other
    };

    rwresult() = default;

    explicit rwresult(error e, raw_t raw)
        : error_(e)
        , raw_(raw)
    {}
    explicit rwresult(error e) = delete;

    explicit rwresult(size_t value)
        : value_(value)
    {}

    explicit operator bool() const { return error_ == 0; }

    error error_{};

    union {
        raw_t raw_;

        size_t value_{};
    };
};
}

#endif