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// Copyright (c) 2021-2023, The Monero Project
// 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 <type_traits>
//! Declare an enum to be serialized as an integer
#define WIRE_AS_INTEGER(type_) \
static_assert(std::is_enum<type_>(), "AS_INTEGER only enum types"); \
template<typename R> \
inline void read_bytes(R& source, type_& dest) \
{ \
std::underlying_type<type_>::type temp{}; \
read_bytes(source, temp); \
dest = type_(temp); \
} \
template<typename W> \
inline void write_bytes(W& dest, const type_ source) \
{ write_bytes(dest, std::underlying_type<type_>::type(source)); }
//! Declare functions that list fields in `type` (using virtual interface)
#define WIRE_DECLARE_OBJECT(type) \
void read_bytes(::wire::reader&, type&); \
void write_bytes(::wire::writer&, const type&)
//! Cast readers to `rtype` and writers to `wtype` before code expansion
#define WIRE_BEGIN_MAP_BASE(rtype, wtype) \
template<typename R> \
void read_bytes(R& source) \
{ wire_map(std::true_type{}, static_cast<rtype&>(source), *this); } \
\
template<typename W> \
void write_bytes(W& dest) const \
{ wire_map(std::false_type{}, static_cast<wtype&>(dest), *this); } \
\
template<typename B, typename F, typename T> \
static void wire_map(const B is_read, F& format, T& self) \
{ ::wire::object_fwd(is_read, format
/*! Define `read_bytes`, and `write_bytes` for `this` that forward the
derived format types for max performance. */
#define WIRE_BEGIN_MAP() \
WIRE_BEGIN_MAP_BASE(R, W)
/*! Define `read_bytes`, and `write_bytes` for `this` that forward base format
types to reduce code expansion and executable size. */
#define WIRE_BEGIN_MAP_ASM_SIZE() \
WIRE_BEGIN_MAP_BASE(::wire::reader, ::wire::writer)
//! End object map; omit last `,`
#define WIRE_END_MAP() );}
namespace wire
{
struct basic_value;
class reader;
struct writer;
// defined in `wire/read.h`
template<typename R, typename... T>
void object_fwd(std::true_type is_read, R& source, T&&... fields);
// defined in `wire/write.h`
template<typename W, typename... T>
void object_fwd(std::false_type is_read, W& dest, T... fields);
}
namespace wire_read
{
// defined in `wire/read.h`
template<typename R, typename T>
void bytes(R& source, T&& dest);
}
namespace wire_write
{
// defined in `wire/write.h`
template<typename W, typename T>
void bytes(W& dest, const T& source);
}
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