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 12 namespace mojo { 13 14 template <> 15 struct 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