| // 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_ARRAY_TRAITS_WTF_VECTOR_H_ |
| #define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_VECTOR_H_ |
| |
| #include "mojo/public/cpp/bindings/array_traits.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace mojo { |
| |
| template <typename U, WTF::wtf_size_t InlineCapacity> |
| struct ArrayTraits<WTF::Vector<U, InlineCapacity>> { |
| using Element = U; |
| |
| static bool IsNull(const WTF::Vector<U, InlineCapacity>& input) { |
| // WTF::Vector<> is always converted to non-null mojom array. |
| return false; |
| } |
| |
| static void SetToNull(WTF::Vector<U, InlineCapacity>* output) { |
| // WTF::Vector<> doesn't support null state. Set it to empty instead. |
| output->clear(); |
| } |
| |
| static size_t GetSize(const WTF::Vector<U, InlineCapacity>& input) { |
| return input.size(); |
| } |
| |
| static U* GetData(WTF::Vector<U, InlineCapacity>& input) { |
| return input.data(); |
| } |
| |
| static const U* GetData(const WTF::Vector<U, InlineCapacity>& input) { |
| return input.data(); |
| } |
| |
| static U& GetAt(WTF::Vector<U, InlineCapacity>& input, size_t index) { |
| return input[static_cast<wtf_size_t>(index)]; |
| } |
| |
| static const U& GetAt(const WTF::Vector<U, InlineCapacity>& input, |
| size_t index) { |
| return input[static_cast<wtf_size_t>(index)]; |
| } |
| |
| static bool Resize(WTF::Vector<U, InlineCapacity>& input, size_t size) { |
| if (!base::IsValueInRangeForNumericType<wtf_size_t>(size)) |
| return false; |
| input.resize(static_cast<wtf_size_t>(size)); |
| return true; |
| } |
| }; |
| |
| } // namespace mojo |
| |
| #endif // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_VECTOR_H_ |