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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.
#include "mojo/public/cpp/base/shared_memory_mojom_traits.h"
#include "mojo/public/cpp/system/platform_handle.h"
namespace mojo {
// static
bool StructTraits<mojo_base::mojom::ReadOnlySharedMemoryRegionDataView,
base::ReadOnlySharedMemoryRegion>::
IsNull(const base::ReadOnlySharedMemoryRegion& region) {
return !region.IsValid();
}
// static
void StructTraits<mojo_base::mojom::ReadOnlySharedMemoryRegionDataView,
base::ReadOnlySharedMemoryRegion>::
SetToNull(base::ReadOnlySharedMemoryRegion* region) {
*region = base::ReadOnlySharedMemoryRegion();
}
// static
mojo::ScopedSharedBufferHandle StructTraits<
mojo_base::mojom::ReadOnlySharedMemoryRegionDataView,
base::ReadOnlySharedMemoryRegion>::buffer(base::ReadOnlySharedMemoryRegion&
in_region) {
return mojo::WrapReadOnlySharedMemoryRegion(std::move(in_region));
}
// static
bool StructTraits<mojo_base::mojom::ReadOnlySharedMemoryRegionDataView,
base::ReadOnlySharedMemoryRegion>::
Read(mojo_base::mojom::ReadOnlySharedMemoryRegionDataView data,
base::ReadOnlySharedMemoryRegion* out) {
*out = mojo::UnwrapReadOnlySharedMemoryRegion(data.TakeBuffer());
return out->IsValid();
}
// static
bool StructTraits<mojo_base::mojom::UnsafeSharedMemoryRegionDataView,
base::UnsafeSharedMemoryRegion>::
IsNull(const base::UnsafeSharedMemoryRegion& region) {
return !region.IsValid();
}
// static
void StructTraits<mojo_base::mojom::UnsafeSharedMemoryRegionDataView,
base::UnsafeSharedMemoryRegion>::
SetToNull(base::UnsafeSharedMemoryRegion* region) {
*region = base::UnsafeSharedMemoryRegion();
}
// static
mojo::ScopedSharedBufferHandle StructTraits<
mojo_base::mojom::UnsafeSharedMemoryRegionDataView,
base::UnsafeSharedMemoryRegion>::buffer(base::UnsafeSharedMemoryRegion&
in_region) {
return mojo::WrapUnsafeSharedMemoryRegion(std::move(in_region));
}
// static
bool StructTraits<mojo_base::mojom::UnsafeSharedMemoryRegionDataView,
base::UnsafeSharedMemoryRegion>::
Read(mojo_base::mojom::UnsafeSharedMemoryRegionDataView data,
base::UnsafeSharedMemoryRegion* out) {
*out = mojo::UnwrapUnsafeSharedMemoryRegion(data.TakeBuffer());
return out->IsValid();
}
// static
bool StructTraits<mojo_base::mojom::WritableSharedMemoryRegionDataView,
base::WritableSharedMemoryRegion>::
IsNull(const base::WritableSharedMemoryRegion& region) {
return !region.IsValid();
}
// static
void StructTraits<mojo_base::mojom::WritableSharedMemoryRegionDataView,
base::WritableSharedMemoryRegion>::
SetToNull(base::WritableSharedMemoryRegion* region) {
*region = base::WritableSharedMemoryRegion();
}
// static
mojo::ScopedSharedBufferHandle StructTraits<
mojo_base::mojom::WritableSharedMemoryRegionDataView,
base::WritableSharedMemoryRegion>::buffer(base::WritableSharedMemoryRegion&
in_region) {
return mojo::WrapWritableSharedMemoryRegion(std::move(in_region));
}
// static
bool StructTraits<mojo_base::mojom::WritableSharedMemoryRegionDataView,
base::WritableSharedMemoryRegion>::
Read(mojo_base::mojom::WritableSharedMemoryRegionDataView data,
base::WritableSharedMemoryRegion* out) {
*out = mojo::UnwrapWritableSharedMemoryRegion(data.TakeBuffer());
return out->IsValid();
}
} // namespace mojo
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