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| 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_MAP_TRAITS_STANDARD_H_ |
| 6 #define MOJO_PUBLIC_CPP_BINDINGS_MAP_TRAITS_STANDARD_H_ |
| 7 |
| 8 #include "mojo/public/cpp/bindings/map.h" |
| 9 #include "mojo/public/cpp/bindings/map_traits.h" |
| 10 |
| 11 namespace mojo { |
| 12 |
| 13 template <typename K, typename V> |
| 14 struct MapTraits<Map<K, V>> { |
| 15 using Key = K; |
| 16 using Value = V; |
| 17 using Iterator = typename Map<K, V>::Iterator; |
| 18 using ConstIterator = typename Map<K, V>::ConstIterator; |
| 19 |
| 20 static bool IsNull(const Map<K, V>& input) { return input.is_null(); } |
| 21 static void SetToNull(Map<K, V>* output) { *output = nullptr; } |
| 22 |
| 23 static size_t GetSize(const Map<K, V>& input) { return input.size(); } |
| 24 |
| 25 static ConstIterator GetBegin(const Map<K, V>& input) { |
| 26 return input.begin(); |
| 27 } |
| 28 static Iterator GetBegin(Map<K, V>& input) { return input.begin(); } |
| 29 |
| 30 static void AdvanceIterator(ConstIterator& iterator) { iterator++; } |
| 31 static void AdvanceIterator(Iterator& iterator) { iterator++; } |
| 32 |
| 33 static const K& GetKey(Iterator& iterator) { return iterator->first; } |
| 34 static const K& GetKey(ConstIterator& iterator) { return iterator->first; } |
| 35 |
| 36 static V& GetValue(Iterator& iterator) { return iterator->second; } |
| 37 static const V& GetValue(ConstIterator& iterator) { return iterator->second; } |
| 38 |
| 39 static void Insert(Map<K, V>& input, const K& key, V&& value) { |
| 40 input.insert(key, std::forward<V>(value)); |
| 41 } |
| 42 static void Insert(Map<K, V>& input, const K& key, const V& value) { |
| 43 input.insert(key, value); |
| 44 } |
| 45 |
| 46 static void SetToEmpty(Map<K, V>* output) { output->SetToEmpty(); } |
| 47 }; |
| 48 |
| 49 } // namespace mojo |
| 50 |
| 51 #endif // MOJO_PUBLIC_CPP_BINDINGS_MAP_TRAITS_STANDARD_H_ |
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