OLD | NEW |
(Empty) | |
| 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_STL_H_ |
| 6 #define MOJO_PUBLIC_CPP_BINDINGS_MAP_TRAITS_STL_H_ |
| 7 |
| 8 #include <map> |
| 9 |
| 10 #include "mojo/public/cpp/bindings/map_traits.h" |
| 11 |
| 12 namespace mojo { |
| 13 |
| 14 template <typename K, typename V> |
| 15 struct MapTraits<std::map<K, V>> { |
| 16 using Key = K; |
| 17 using Value = V; |
| 18 using Iterator = typename std::map<K, V>::iterator; |
| 19 using ConstIterator = typename std::map<K, V>::const_iterator; |
| 20 |
| 21 static bool IsNull(const std::map<K, V>& input) { |
| 22 // std::map<> is always converted to non-null mojom map. |
| 23 return false; |
| 24 } |
| 25 |
| 26 static void SetToNull(std::map<K, V>* output) { |
| 27 // std::map<> doesn't support null state. Set it to empty instead. |
| 28 output->clear(); |
| 29 } |
| 30 |
| 31 static size_t GetSize(const std::map<K, V>& input) { return input.size(); } |
| 32 |
| 33 static ConstIterator GetBegin(const std::map<K, V>& input) { |
| 34 return input.begin(); |
| 35 } |
| 36 static Iterator GetBegin(std::map<K, V>& input) { return input.begin(); } |
| 37 |
| 38 static void AdvanceIterator(ConstIterator& iterator) { iterator++; } |
| 39 static void AdvanceIterator(Iterator& iterator) { iterator++; } |
| 40 |
| 41 static const K& GetKey(Iterator& iterator) { return iterator->first; } |
| 42 static const K& GetKey(ConstIterator& iterator) { return iterator->first; } |
| 43 |
| 44 static V& GetValue(Iterator& iterator) { return iterator->second; } |
| 45 static const V& GetValue(ConstIterator& iterator) { return iterator->second; } |
| 46 |
| 47 static void Insert(std::map<K, V>& input, const K& key, V&& value) { |
| 48 input.insert(std::make_pair(key, std::forward<V>(value))); |
| 49 } |
| 50 static void Insert(std::map<K, V>& input, const K& key, const V& value) { |
| 51 input.insert(std::make_pair(key, value)); |
| 52 } |
| 53 |
| 54 static void SetToEmpty(std::map<K, V>* output) { output->clear(); } |
| 55 }; |
| 56 |
| 57 } // namespace mojo |
| 58 |
| 59 #endif // MOJO_PUBLIC_CPP_BINDINGS_MAP_TRAITS_STL_H_ |
OLD | NEW |