| // 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_STRING_TRAITS_STL_H_ |
| #define MOJO_PUBLIC_CPP_BINDINGS_STRING_TRAITS_STL_H_ |
| |
| #include <string> |
| |
| #include "mojo/public/cpp/bindings/string_traits.h" |
| |
| namespace mojo { |
| |
| template <> |
| struct StringTraits<std::string> { |
| static bool IsNull(const std::string& input) { |
| // std::string is always converted to non-null mojom string. |
| return false; |
| } |
| |
| static void SetToNull(std::string* output) { |
| // std::string doesn't support null state. Set it to empty instead. |
| output->clear(); |
| } |
| |
| static size_t GetSize(const std::string& input) { return input.size(); } |
| |
| static const char* GetData(const std::string& input) { return input.data(); } |
| |
| static bool Read(StringDataView input, std::string* output) { |
| output->assign(input.storage(), input.size()); |
| return true; |
| } |
| }; |
| |
| } // namespace mojo |
| |
| #endif // MOJO_PUBLIC_CPP_BINDINGS_STRING_TRAITS_STL_H_ |