mirror of
https://github.com/msgpack/msgpack-c
synced 2026-06-08 16:11:40 +00:00
Tim Blechmann
8b87e62835
some headers are not self-contained, as they depend on symbols from headers which aren't included
125 lines
8.0 KiB
C++
125 lines
8.0 KiB
C++
//
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// MessagePack for C++ static resolution routine
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//
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// Copyright (C) 2021 KONDO Takatoshi and Daniil Kovalev
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef MSGPACK_V1_TYPE_CPP20_SPAN_HPP
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#define MSGPACK_V1_TYPE_CPP20_SPAN_HPP
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#include "msgpack/cpp_version.hpp"
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// Some compilers still do not set the corresponding macro to 202002
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#if MSGPACK_CPP_VERSION > 201703
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#include "msgpack/versioning.hpp"
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#include "msgpack/adaptor/adaptor_base.hpp"
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#include "msgpack/object.hpp"
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#include "msgpack/adaptor/check_container_size.hpp"
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#include "msgpack/meta.hpp"
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#include <span>
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#include <cstring>
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#include <cstddef>
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namespace msgpack {
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/// @cond
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MSGPACK_API_VERSION_NAMESPACE(v1) {
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/// @endcond
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namespace adaptor {
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#define MSGPACK_ADAPTOR_CONVERT_SPAN_BINARY(byte_t) \
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template <> \
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struct convert<std::span<const byte_t> > { \
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msgpack::object const& operator()(msgpack::object const& o, std::span<const byte_t>& v) const { \
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switch (o.type) { \
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case msgpack::type::BIN: \
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v = std::span(reinterpret_cast<const byte_t*>(o.via.bin.ptr), o.via.bin.size); \
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break; \
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default: \
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throw msgpack::type_error(); \
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break; \
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} \
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return o; \
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} \
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};
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#define MSGPACK_ADAPTOR_PACK_SPAN_BINARY(byte_t) \
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template <> \
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struct pack<std::span<byte_t> > { \
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template <typename Stream> \
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msgpack::packer<Stream>& operator()(msgpack::packer<Stream>& o, const std::span<byte_t>& v) const { \
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uint32_t size = checked_get_container_size(v.size()); \
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o.pack_bin(size); \
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if (size != 0) { \
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o.pack_bin_body(reinterpret_cast<char const*>(v.data()), size); \
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} \
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return o; \
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} \
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};
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#define MSGPACK_ADAPTOR_OBJECT_SPAN_BINARY(byte_t) \
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template <> \
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struct object<std::span<byte_t> > { \
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void operator()(msgpack::object& o, const std::span<byte_t>& v) const { \
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uint32_t size = checked_get_container_size(v.size()); \
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o.type = msgpack::type::BIN; \
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if (size != 0) { \
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o.via.bin.ptr = reinterpret_cast<char const*>(v.data()); \
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} \
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o.via.bin.size = size; \
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} \
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};
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#define MSGPACK_ADAPTOR_OBJECT_WITH_ZONE_SPAN_BINARY(byte_t) \
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template <> \
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struct object_with_zone<std::span<byte_t> > { \
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void operator()(msgpack::object::with_zone& o, const std::span<byte_t>& v) const { \
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uint32_t size = checked_get_container_size(v.size()); \
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o.type = msgpack::type::BIN; \
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o.via.bin.size = size; \
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if (size != 0) { \
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char* ptr = static_cast<char*>(o.zone.allocate_align(size, MSGPACK_ZONE_ALIGNOF(char))); \
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o.via.bin.ptr = ptr; \
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std::memcpy(ptr, v.data(), size); \
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} \
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} \
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};
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#define MSGPACK_ADAPTOR_SPAN_BINARY(byte_t) \
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MSGPACK_ADAPTOR_CONVERT_SPAN_BINARY(byte_t) \
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MSGPACK_ADAPTOR_PACK_SPAN_BINARY(byte_t) \
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MSGPACK_ADAPTOR_PACK_SPAN_BINARY(const byte_t) \
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MSGPACK_ADAPTOR_OBJECT_SPAN_BINARY(byte_t) \
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MSGPACK_ADAPTOR_OBJECT_SPAN_BINARY(const byte_t) \
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MSGPACK_ADAPTOR_OBJECT_WITH_ZONE_SPAN_BINARY(byte_t) \
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MSGPACK_ADAPTOR_OBJECT_WITH_ZONE_SPAN_BINARY(const byte_t)
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MSGPACK_ADAPTOR_SPAN_BINARY(char)
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MSGPACK_ADAPTOR_SPAN_BINARY(unsigned char)
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MSGPACK_ADAPTOR_SPAN_BINARY(std::byte)
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#undef MSGPACK_ADAPTOR_SPAN_BINARY
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#undef MSGPACK_ADAPTOR_OBJECT_WITH_ZONE_SPAN_BINARY
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#undef MSGPACK_ADAPTOR_OBJECT_SPAN_BINARY
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#undef MSGPACK_ADAPTOR_PACK_SPAN_BINARY
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#undef MSGPACK_ADAPTOR_CONVERT_SPAN_BINARY
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} // namespace adaptor
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/// @cond
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} // MSGPACK_API_VERSION_NAMESPACE(v1)
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/// @endcond
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} // namespace msgpack
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#endif // MSGPACK_CPP_VERSION > 201703
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#endif // MSGPACK_V1_TYPE_CPP11_ARRAY_HPP
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