| // 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_LIB_WTF_CLONE_EQUALS_UTIL_H_ |
| #define MOJO_PUBLIC_CPP_BINDINGS_LIB_WTF_CLONE_EQUALS_UTIL_H_ |
| |
| #include <type_traits> |
| |
| #include "mojo/public/cpp/bindings/clone_traits.h" |
| #include "mojo/public/cpp/bindings/lib/equals_traits.h" |
| #include "third_party/WebKit/Source/wtf/HashMap.h" |
| #include "third_party/WebKit/Source/wtf/Optional.h" |
| #include "third_party/WebKit/Source/wtf/Vector.h" |
| #include "third_party/WebKit/Source/wtf/text/WTFString.h" |
| |
| namespace mojo { |
| |
| template <typename T> |
| struct CloneTraits<WTF::Vector<T>, false> { |
| static WTF::Vector<T> Clone(const WTF::Vector<T>& input) { |
| WTF::Vector<T> result; |
| result.reserveCapacity(input.size()); |
| for (const auto& element : input) |
| result.push_back(mojo::Clone(element)); |
| |
| return result; |
| } |
| }; |
| |
| template <typename K, typename V> |
| struct CloneTraits<WTF::HashMap<K, V>, false> { |
| static WTF::HashMap<K, V> Clone(const WTF::HashMap<K, V>& input) { |
| WTF::HashMap<K, V> result; |
| auto input_end = input.end(); |
| for (auto it = input.begin(); it != input_end; ++it) |
| result.add(mojo::Clone(it->key), mojo::Clone(it->value)); |
| return result; |
| } |
| }; |
| |
| namespace internal { |
| |
| template <typename T> |
| struct EqualsTraits<WTF::Vector<T>, false> { |
| static bool Equals(const WTF::Vector<T>& a, const WTF::Vector<T>& b) { |
| if (a.size() != b.size()) |
| return false; |
| for (size_t i = 0; i < a.size(); ++i) { |
| if (!internal::Equals(a[i], b[i])) |
| return false; |
| } |
| return true; |
| } |
| }; |
| |
| template <typename K, typename V> |
| struct EqualsTraits<WTF::HashMap<K, V>, false> { |
| static bool Equals(const WTF::HashMap<K, V>& a, const WTF::HashMap<K, V>& b) { |
| if (a.size() != b.size()) |
| return false; |
| |
| auto a_end = a.end(); |
| auto b_end = b.end(); |
| |
| for (auto iter = a.begin(); iter != a_end; ++iter) { |
| auto b_iter = b.find(iter->key); |
| if (b_iter == b_end || !internal::Equals(iter->value, b_iter->value)) |
| return false; |
| } |
| return true; |
| } |
| }; |
| |
| } // namespace internal |
| } // namespace mojo |
| |
| #endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_WTF_CLONE_EQUALS_UTIL_H_ |