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_STRING_TRAITS_STRING16_H_
6#define MOJO_PUBLIC_CPP_BINDINGS_STRING_TRAITS_STRING16_H_
7
8#include "base/strings/string16.h"
9#include "mojo/public/cpp/bindings/bindings_export.h"
10#include "mojo/public/cpp/bindings/string_traits.h"
11
12namespace mojo {
13
14template <>
15struct MOJO_CPP_BINDINGS_EXPORT StringTraits<base::string16> {
16  static bool IsNull(const base::string16& input) {
17    // base::string16 is always converted to non-null mojom string.
18    return false;
19  }
20
21  static void SetToNull(base::string16* output) {
22    // Convert null to an "empty" base::string16.
23    output->clear();
24  }
25
26  static void* SetUpContext(const base::string16& input);
27  static void TearDownContext(const base::string16& input, void* context);
28
29  static size_t GetSize(const base::string16& input, void* context);
30  static const char* GetData(const base::string16& input, void* context);
31
32  static bool Read(StringDataView input, base::string16* output);
33};
34
35}  // namespace mojo
36
37#endif  // MOJO_PUBLIC_CPP_BINDINGS_STRING_TRAITS_STRING16_H_
38