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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 WEBKIT_DOM_STORAGE_DOM_STORAGE_MAP_H_ | 5 #ifndef WEBKIT_DOM_STORAGE_DOM_STORAGE_MAP_H_ |
6 #define WEBKIT_DOM_STORAGE_DOM_STORAGE_MAP_H_ | 6 #define WEBKIT_DOM_STORAGE_DOM_STORAGE_MAP_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include <map> | 9 #include <map> |
10 | 10 |
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28 NullableString16 GetItem(const string16& key) const; | 28 NullableString16 GetItem(const string16& key) const; |
29 bool SetItem(const string16& key, const string16& value, | 29 bool SetItem(const string16& key, const string16& value, |
30 NullableString16* old_value); | 30 NullableString16* old_value); |
31 bool RemoveItem(const string16& key, string16* old_value); | 31 bool RemoveItem(const string16& key, string16* old_value); |
32 | 32 |
33 // Swaps this instances values_ with |map|. | 33 // Swaps this instances values_ with |map|. |
34 // Note: to grandfather in pre-existing files that are overbudget, | 34 // Note: to grandfather in pre-existing files that are overbudget, |
35 // this method does not do quota checking. | 35 // this method does not do quota checking. |
36 void SwapValues(ValuesMap* map); | 36 void SwapValues(ValuesMap* map); |
37 | 37 |
| 38 // Writes a copy of the current set of values_ to the |map|. |
| 39 void ExtractValues(ValuesMap* map) const { *map = values_; } |
| 40 |
38 // Creates a new instance of DomStorageMap containing | 41 // Creates a new instance of DomStorageMap containing |
39 // a deep copy of values_. | 42 // a deep copy of values_. |
40 DomStorageMap* DeepCopy() const; | 43 DomStorageMap* DeepCopy() const; |
41 | 44 |
42 size_t bytes_used() const { return bytes_used_; } | 45 size_t bytes_used() const { return bytes_used_; } |
43 | 46 |
44 private: | 47 private: |
45 friend class base::RefCountedThreadSafe<DomStorageMap>; | 48 friend class base::RefCountedThreadSafe<DomStorageMap>; |
46 ~DomStorageMap(); | 49 ~DomStorageMap(); |
47 | 50 |
48 void ResetKeyIterator(); | 51 void ResetKeyIterator(); |
49 | 52 |
50 ValuesMap values_; | 53 ValuesMap values_; |
51 ValuesMap::const_iterator key_iterator_; | 54 ValuesMap::const_iterator key_iterator_; |
52 unsigned last_key_index_; | 55 unsigned last_key_index_; |
53 size_t bytes_used_; | 56 size_t bytes_used_; |
54 size_t quota_; | 57 size_t quota_; |
55 }; | 58 }; |
56 | 59 |
57 } // namespace dom_storage | 60 } // namespace dom_storage |
58 | 61 |
59 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_MAP_H_ | 62 #endif // WEBKIT_DOM_STORAGE_DOM_STORAGE_MAP_H_ |
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