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// 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/equals_traits.h"
#include "third_party/WebKit/Source/platform/wtf/HashMap.h"
#include "third_party/WebKit/Source/platform/wtf/Optional.h"
#include "third_party/WebKit/Source/platform/wtf/Vector.h"
#include "third_party/WebKit/Source/platform/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;
for (const auto& element : input)
result.insert(mojo::Clone(element.key), mojo::Clone(element.value));
return result;
}
};
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 (!mojo::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 || !mojo::Equals(iter->value, b_iter->value))
return false;
}
return true;
}
};
} // namespace mojo
#endif // MOJO_PUBLIC_CPP_BINDINGS_LIB_WTF_CLONE_EQUALS_UTIL_H_