OLD | NEW |
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 #include "webkit/common/dom_storage/dom_storage_map.h" | 5 #include "webkit/common/dom_storage/dom_storage_map.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 | 8 |
9 namespace { | 9 namespace { |
10 | 10 |
(...skipping 23 matching lines...) Expand all Loading... |
34 } | 34 } |
35 | 35 |
36 DomStorageMap::~DomStorageMap() {} | 36 DomStorageMap::~DomStorageMap() {} |
37 | 37 |
38 unsigned DomStorageMap::Length() const { | 38 unsigned DomStorageMap::Length() const { |
39 return values_.size(); | 39 return values_.size(); |
40 } | 40 } |
41 | 41 |
42 base::NullableString16 DomStorageMap::Key(unsigned index) { | 42 base::NullableString16 DomStorageMap::Key(unsigned index) { |
43 if (index >= values_.size()) | 43 if (index >= values_.size()) |
44 return base::NullableString16(true); | 44 return base::NullableString16(); |
45 while (last_key_index_ != index) { | 45 while (last_key_index_ != index) { |
46 if (last_key_index_ > index) { | 46 if (last_key_index_ > index) { |
47 --key_iterator_; | 47 --key_iterator_; |
48 --last_key_index_; | 48 --last_key_index_; |
49 } else { | 49 } else { |
50 ++key_iterator_; | 50 ++key_iterator_; |
51 ++last_key_index_; | 51 ++last_key_index_; |
52 } | 52 } |
53 } | 53 } |
54 return base::NullableString16(key_iterator_->first, false); | 54 return base::NullableString16(key_iterator_->first, false); |
55 } | 55 } |
56 | 56 |
57 base::NullableString16 DomStorageMap::GetItem(const base::string16& key) const { | 57 base::NullableString16 DomStorageMap::GetItem(const base::string16& key) const { |
58 ValuesMap::const_iterator found = values_.find(key); | 58 ValuesMap::const_iterator found = values_.find(key); |
59 if (found == values_.end()) | 59 if (found == values_.end()) |
60 return base::NullableString16(true); | 60 return base::NullableString16(); |
61 return found->second; | 61 return found->second; |
62 } | 62 } |
63 | 63 |
64 bool DomStorageMap::SetItem( | 64 bool DomStorageMap::SetItem( |
65 const base::string16& key, const base::string16& value, | 65 const base::string16& key, const base::string16& value, |
66 base::NullableString16* old_value) { | 66 base::NullableString16* old_value) { |
67 ValuesMap::const_iterator found = values_.find(key); | 67 ValuesMap::const_iterator found = values_.find(key); |
68 if (found == values_.end()) | 68 if (found == values_.end()) |
69 *old_value = base::NullableString16(true); | 69 *old_value = base::NullableString16(); |
70 else | 70 else |
71 *old_value = found->second; | 71 *old_value = found->second; |
72 | 72 |
73 size_t old_item_size = old_value->is_null() ? | 73 size_t old_item_size = old_value->is_null() ? |
74 0 : size_of_item(key, old_value->string()); | 74 0 : size_of_item(key, old_value->string()); |
75 size_t new_item_size = size_of_item(key, value); | 75 size_t new_item_size = size_of_item(key, value); |
76 size_t new_bytes_used = bytes_used_ - old_item_size + new_item_size; | 76 size_t new_bytes_used = bytes_used_ - old_item_size + new_item_size; |
77 | 77 |
78 // Only check quota if the size is increasing, this allows | 78 // Only check quota if the size is increasing, this allows |
79 // shrinking changes to pre-existing files that are over budget. | 79 // shrinking changes to pre-existing files that are over budget. |
(...skipping 33 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
113 copy->ResetKeyIterator(); | 113 copy->ResetKeyIterator(); |
114 return copy; | 114 return copy; |
115 } | 115 } |
116 | 116 |
117 void DomStorageMap::ResetKeyIterator() { | 117 void DomStorageMap::ResetKeyIterator() { |
118 key_iterator_ = values_.begin(); | 118 key_iterator_ = values_.begin(); |
119 last_key_index_ = 0; | 119 last_key_index_ = 0; |
120 } | 120 } |
121 | 121 |
122 } // namespace dom_storage | 122 } // namespace dom_storage |
OLD | NEW |