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_STANDARD_H_
6 #define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_STANDARD_H_
7 
8 #include "mojo/public/cpp/bindings/array.h"
9 #include "mojo/public/cpp/bindings/array_traits.h"
10 
11 namespace mojo {
12 
13 template <typename T>
14 struct ArrayTraits<Array<T>> {
15   using Element = T;
16 
17   static bool IsNull(const Array<T>& input) { return input.is_null(); }
18   static void SetToNull(Array<T>* output) { *output = nullptr; }
19 
20   static size_t GetSize(const Array<T>& input) { return input.size(); }
21 
22   static T* GetData(Array<T>& input) { return &input.front(); }
23 
24   static const T* GetData(const Array<T>& input) { return &input.front(); }
25 
26   static typename Array<T>::RefType GetAt(Array<T>& input, size_t index) {
27     return input[index];
28   }
29 
30   static typename Array<T>::ConstRefType GetAt(const Array<T>& input,
31                                                size_t index) {
32     return input[index];
33   }
34 
35   static bool Resize(Array<T>& input, size_t size) {
36     input.resize(size);
37     return true;
38   }
39 };
40 
41 }  // namespace mojo
42 
43 #endif  // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_STANDARD_H_
44