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-rw-r--r--mojo/public/cpp/bindings/native_struct_data_view.h36
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diff --git a/mojo/public/cpp/bindings/native_struct_data_view.h b/mojo/public/cpp/bindings/native_struct_data_view.h
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_PUBLIC_CPP_BINDINGS_NATIVE_STRUCT_DATA_VIEW_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_NATIVE_STRUCT_DATA_VIEW_H_
+
+#include "mojo/public/cpp/bindings/lib/native_struct_data.h"
+#include "mojo/public/cpp/bindings/lib/serialization_context.h"
+
+namespace mojo {
+
+class NativeStructDataView {
+ public:
+ using Data_ = internal::NativeStruct_Data;
+
+ NativeStructDataView() {}
+
+ NativeStructDataView(Data_* data, internal::SerializationContext* context)
+ : data_(data) {}
+
+ bool is_null() const { return !data_; }
+
+ size_t size() const { return data_->data.size(); }
+
+ uint8_t operator[](size_t index) const { return data_->data.at(index); }
+
+ const uint8_t* data() const { return data_->data.storage(); }
+
+ private:
+ Data_* data_ = nullptr;
+};
+
+} // namespace mojo
+
+#endif // MOJO_PUBLIC_CPP_BINDINGS_NATIVE_STRUCT_DATA_VIEW_H_