1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_H_
6 #define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_H_
7 
8 #include "mojo/public/cpp/bindings/array_traits.h"
9 #include "mojo/public/cpp/bindings/wtf_array.h"
10 
11 namespace mojo {
12 
13 template <typename U>
14 struct ArrayTraits<WTFArray<U>> {
15   using Element = U;
16 
17   static bool IsNull(const WTFArray<U>& input) { return input.is_null(); }
18   static void SetToNull(WTFArray<U>* output) { *output = nullptr; }
19 
20   static size_t GetSize(const WTFArray<U>& input) { return input.size(); }
21 
22   static U* GetData(WTFArray<U>& input) { return &input.front(); }
23 
24   static const U* GetData(const WTFArray<U>& input) { return &input.front(); }
25 
26   static U& GetAt(WTFArray<U>& input, size_t index) { return input[index]; }
27 
28   static const U& GetAt(const WTFArray<U>& input, size_t index) {
29     return input[index];
30   }
31 
32   static bool Resize(WTFArray<U>& input, size_t size) {
33     input.resize(size);
34     return true;
35   }
36 };
37 
38 }  // namespace mojo
39 
40 #endif  // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_H_
41