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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef MOZILLA_PARAMTRAITS_TIEDFIELDS_H
#define MOZILLA_PARAMTRAITS_TIEDFIELDS_H
#include "ipc/IPCMessageUtils.h"
#include "mozilla/ipc/IPDLParamTraits.h"
#include "TiedFields.h"
namespace IPC {
template <class T>
struct ParamTraits_TiedFields {
static_assert(mozilla::AssertTiedFieldsAreExhaustive<T>());
static void Write(MessageWriter* const writer, const T& in) {
const auto& fields = mozilla::TiedFields(in);
mozilla::MapTuple(fields, [&](const auto& field) {
WriteParam(writer, field);
return true; // ignored
});
}
static bool Read(MessageReader* const reader, T* const out) {
const auto& fields = mozilla::TiedFields(*out);
bool ok = true;
mozilla::MapTuple(fields, [&](auto& field) {
if (ok) {
ok &= ReadParam(reader, &field);
}
return true; // ignored
});
return ok;
}
};
// -
template <class U, size_t N>
struct ParamTraits<mozilla::PaddingField<U, N>> final
: public ParamTraits_TiedFields<mozilla::PaddingField<U, N>> {};
} // namespace IPC
#endif