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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CC_BASE_SCOPED_PTR_HASH_MAP_H_ | 5 #ifndef CC_BASE_SCOPED_PTR_HASH_MAP_H_ |
6 #define CC_BASE_SCOPED_PTR_HASH_MAP_H_ | 6 #define CC_BASE_SCOPED_PTR_HASH_MAP_H_ |
7 | 7 |
| 8 #include <algorithm> |
| 9 #include <utility> |
| 10 |
8 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
9 #include "base/hash_tables.h" | 12 #include "base/hash_tables.h" |
10 #include "base/logging.h" | 13 #include "base/logging.h" |
11 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
12 #include "base/stl_util.h" | 15 #include "base/stl_util.h" |
13 | 16 |
14 namespace cc { | 17 namespace cc { |
15 | 18 |
16 // This type acts like a hash_map<K, scoped_ptr<V> >, based on top of | 19 // This type acts like a hash_map<K, scoped_ptr<V> >, based on top of |
17 // std::hash_map. The ScopedPtrHashMap has ownership of all values in the data | 20 // base::hash_map. The ScopedPtrHashMap has ownership of all values in the data |
18 // structure. | 21 // structure. |
19 template <typename Key, typename Value> | 22 template <typename Key, typename Value> |
20 class ScopedPtrHashMap { | 23 class ScopedPtrHashMap { |
21 typedef base::hash_map<Key, Value*> Container; | 24 typedef base::hash_map<Key, Value*> Container; |
| 25 |
22 public: | 26 public: |
23 typedef typename Container::iterator iterator; | 27 typedef typename Container::iterator iterator; |
24 typedef typename Container::const_iterator const_iterator; | 28 typedef typename Container::const_iterator const_iterator; |
25 | 29 |
26 ScopedPtrHashMap() {} | 30 ScopedPtrHashMap() {} |
27 | 31 |
28 ~ScopedPtrHashMap() { clear(); } | 32 ~ScopedPtrHashMap() { clear(); } |
29 | 33 |
30 void swap(ScopedPtrHashMap<Key, Value*>& other) { | 34 void swap(ScopedPtrHashMap<Key, Value*>& other) { |
31 data_.swap(other.data_); | 35 data_.swap(other.data_); |
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144 | 148 |
145 private: | 149 private: |
146 Container data_; | 150 Container data_; |
147 | 151 |
148 DISALLOW_COPY_AND_ASSIGN(ScopedPtrHashMap); | 152 DISALLOW_COPY_AND_ASSIGN(ScopedPtrHashMap); |
149 }; | 153 }; |
150 | 154 |
151 } // namespace cc | 155 } // namespace cc |
152 | 156 |
153 #endif // CC_BASE_SCOPED_PTR_HASH_MAP_H_ | 157 #endif // CC_BASE_SCOPED_PTR_HASH_MAP_H_ |
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