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: /*
: Copyright (c) 2025 Giuseppe Roberti.
: All rights reserved.
:
: Redistribution and use in source and binary forms, with or without modification,
: are permitted provided that the following conditions are met:
:
: 1. Redistributions of source code must retain the above copyright notice, this
: list of conditions and the following disclaimer.
:
: 2. Redistributions in binary form must reproduce the above copyright notice,
: this list of conditions and the following disclaimer in the documentation and/or
: other materials provided with the distribution.
:
: 3. Neither the name of the copyright holder nor the names of its contributors
: may be used to endorse or promote products derived from this software without
: specific prior written permission.
:
: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
: DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
: ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
: LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
: ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
: SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
: */
: #pragma once
:
: #include "clev/err.h"
:
: #include <nng/nng.h>
:
: #include <expected>
:
: namespace nngxx
: {
:
: enum class err : int;
:
: [[nodiscard]] inline static const std::error_category& error_category() noexcept
: {
0 / 1 : static struct : std::error_category
: {
0 / 2 : virtual const char* name() const noexcept override { return "nngxx"; }
:
0 / 1 : virtual std::string message(int e) const override
: {
0 / 1 : return nng_strerror(e);
: }
0 / 1 : } error_category;
:
0 / 1 : return error_category;
: }
:
: [[nodiscard]] inline std::error_code make_error_code(err e) noexcept
: {
0 / 1 : return std::error_code(static_cast<int>(e), error_category());
: }
:
: } // namespace nngxx
:
: template<>
: struct std::is_error_code_enum<nngxx::err> : std::true_type
: {
: };
:
: namespace nngxx
: {
:
: enum class err
: {
: success = 0,
: intr = NNG_EINTR,
: nomem = NNG_ENOMEM,
: inval = NNG_EINVAL,
: busy = NNG_EBUSY,
: timedout = NNG_ETIMEDOUT,
: connrefused = NNG_ECONNREFUSED,
: closed = NNG_ECLOSED,
: again = NNG_EAGAIN,
: notsup = NNG_ENOTSUP,
: addrinuse = NNG_EADDRINUSE,
: state = NNG_ESTATE,
: noent = NNG_ENOENT,
: proto = NNG_EPROTO,
: unreachable = NNG_EUNREACHABLE,
: addrinval = NNG_EADDRINVAL,
: perm = NNG_EPERM,
: msgsize = NNG_EMSGSIZE,
: connaborted = NNG_ECONNABORTED,
: connreset = NNG_ECONNRESET,
: canceled = NNG_ECANCELED,
: nofiles = NNG_ENOFILES,
: nospc = NNG_ENOSPC,
: exist = NNG_EEXIST,
: readonly = NNG_EREADONLY,
: writeonly = NNG_EWRITEONLY,
: crypto = NNG_ECRYPTO,
: peerauth = NNG_EPEERAUTH,
: noarg = NNG_ENOARG,
: ambiguous = NNG_EAMBIGUOUS,
: badtype = NNG_EBADTYPE,
: connshut = NNG_ECONNSHUT,
: internal = NNG_EINTERNAL,
: syserr = NNG_ESYSERR,
: tranerr = NNG_ETRANERR
: };
:
: template<typename ret_t, typename arg_t, typename... args_t>
: [[nodiscard]] inline clev::expected<std::remove_pointer_t<arg_t>>
: make(ret_t (*f)(arg_t, args_t...), args_t... args) noexcept
: {
0 / 1 : std::remove_pointer_t<arg_t> x;
:
0 / 1 : return clev::make_expected<err>(f(&x, args...)).transform_to(std::move(x));
: }
:
: template<typename ret_t, typename... args_t>
: requires(!std::is_void_v<ret_t>)
: [[nodiscard]] inline clev::expected<void> invoke(ret_t (*f)(args_t...),
: args_t... args) noexcept
: {
0 / 1 : return clev::make_expected<err>(f(args...));
: }
:
: template<typename... args_t>
: [[nodiscard]] inline clev::expected<void> invoke(void (*f)(args_t...),
: args_t... args) noexcept
: {
0 / 1 : f(args...);
:
0 / 1 : return {};
: }
:
: } // namespace nngxx
:
: static_assert(std::convertible_to<nngxx::err, std::error_code>);
:
: static_assert(std::constructible_from<std::error_code, nngxx::err>);
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