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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MOJO_PUBLIC_CPP_BASE_BIG_BUFFER_MOJOM_TRAITS_H_
#define MOJO_PUBLIC_CPP_BASE_BIG_BUFFER_MOJOM_TRAITS_H_
#include <cstdint>
#include "base/component_export.h"
#include "base/containers/span.h"
#include "mojo/public/cpp/base/big_buffer.h"
#include "mojo/public/cpp/bindings/union_traits.h"
#include "mojo/public/cpp/system/buffer.h"
#include "mojo/public/mojom/base/big_buffer.mojom-shared.h"
namespace mojo {
template <>
struct COMPONENT_EXPORT(MOJO_BASE_SHARED_TRAITS)
StructTraits<mojo_base::mojom::BigBufferSharedMemoryRegionDataView,
mojo_base::internal::BigBufferSharedMemoryRegion> {
static uint32_t size(
const mojo_base::internal::BigBufferSharedMemoryRegion& region);
static mojo::ScopedSharedBufferHandle buffer_handle(
mojo_base::internal::BigBufferSharedMemoryRegion& region);
static bool Read(mojo_base::mojom::BigBufferSharedMemoryRegionDataView data,
mojo_base::internal::BigBufferSharedMemoryRegion* out);
};
template <>
struct COMPONENT_EXPORT(MOJO_BASE_SHARED_TRAITS)
UnionTraits<mojo_base::mojom::BigBufferDataView, mojo_base::BigBuffer> {
static mojo_base::mojom::BigBufferDataView::Tag GetTag(
const mojo_base::BigBuffer& buffer);
static base::span<const uint8_t> bytes(const mojo_base::BigBuffer& buffer);
static mojo_base::internal::BigBufferSharedMemoryRegion& shared_memory(
mojo_base::BigBuffer& buffer);
static bool invalid_buffer(mojo_base::BigBuffer& buffer);
static bool Read(mojo_base::mojom::BigBufferDataView data,
mojo_base::BigBuffer* out);
};
template <>
struct COMPONENT_EXPORT(MOJO_BASE_SHARED_TRAITS)
UnionTraits<mojo_base::mojom::BigBufferDataView, mojo_base::BigBufferView> {
static mojo_base::mojom::BigBufferDataView::Tag GetTag(
const mojo_base::BigBufferView& view);
static base::span<const uint8_t> bytes(const mojo_base::BigBufferView& view);
static mojo_base::internal::BigBufferSharedMemoryRegion& shared_memory(
mojo_base::BigBufferView& view);
static bool invalid_buffer(mojo_base::BigBufferView& buffer);
static bool Read(mojo_base::mojom::BigBufferDataView data,
mojo_base::BigBufferView* out);
};
} // namespace mojo
#endif // MOJO_PUBLIC_CPP_BASE_BIG_BUFFER_MOJOM_TRAITS_H_
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