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Side by Side Diff: cc/scoped_ptr_hash_map.h

Issue 11196014: Revert "cc: Switch to Chromium DCHECKs LOGs" (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 2 months ago
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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_SCOPED_PTR_HASH_MAP_H_ 5 #ifndef CC_SCOPED_PTR_HASH_MAP_H_
6 #define CC_SCOPED_PTR_HASH_MAP_H_ 6 #define CC_SCOPED_PTR_HASH_MAP_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "base/hash_tables.h" 9 #include "base/hash_tables.h"
10 #include "base/logging.h"
11 #include "base/stl_util.h" 10 #include "base/stl_util.h"
12 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/scoped_ptr.h"
13 12
14 namespace cc { 13 namespace cc {
15 14
16 // This type acts like a hash_map<K, scoped_ptr<V> >, based on top of 15 // 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 16 // std::hash_map. The ScopedPtrHashMap has ownership of all values in the data
18 // structure. 17 // structure.
19 template <typename Key, typename Value> 18 template <typename Key, typename Value>
20 class ScopedPtrHashMap { 19 class ScopedPtrHashMap {
(...skipping 39 matching lines...) Expand 10 before | Expand all | Expand 10 after
60 59
61 size_t erase(const Key& k) { 60 size_t erase(const Key& k) {
62 iterator it = data_.find(k); 61 iterator it = data_.find(k);
63 if (it == data_.end()) 62 if (it == data_.end())
64 return 0; 63 return 0;
65 erase(it); 64 erase(it);
66 return 1; 65 return 1;
67 } 66 }
68 67
69 scoped_ptr<Value> take(iterator it) { 68 scoped_ptr<Value> take(iterator it) {
70 DCHECK(it != data_.end()); 69 ASSERT(it != data_.end());
71 if (it == data_.end()) 70 if (it == data_.end())
72 return scoped_ptr<Value>(NULL); 71 return scoped_ptr<Value>(NULL);
73 72
74 Key key = it->first; 73 Key key = it->first;
75 scoped_ptr<Value> ret(it->second); 74 scoped_ptr<Value> ret(it->second);
76 data_.erase(it); 75 data_.erase(it);
77 data_.insert(std::pair<Key, Value*>(key, static_cast<Value*>(NULL))); 76 data_.insert(std::pair<Key, Value*>(key, static_cast<Value*>(NULL)));
78 return ret.Pass(); 77 return ret.Pass();
79 } 78 }
80 79
81 scoped_ptr<Value> take(const Key& k) { 80 scoped_ptr<Value> take(const Key& k) {
82 iterator it = find(k); 81 iterator it = find(k);
83 if (it == data_.end()) 82 if (it == data_.end())
84 return scoped_ptr<Value>(NULL); 83 return scoped_ptr<Value>(NULL);
85 84
86 return take(it); 85 return take(it);
87 } 86 }
88 87
89 scoped_ptr<Value> take_and_erase(iterator it) { 88 scoped_ptr<Value> take_and_erase(iterator it) {
90 DCHECK(it != data_.end()); 89 ASSERT(it != data_.end());
91 if (it == data_.end()) 90 if (it == data_.end())
92 return scoped_ptr<Value>(NULL); 91 return scoped_ptr<Value>(NULL);
93 92
94 scoped_ptr<Value> ret(it->second); 93 scoped_ptr<Value> ret(it->second);
95 data_.erase(it); 94 data_.erase(it);
96 return ret.Pass(); 95 return ret.Pass();
97 } 96 }
98 97
99 scoped_ptr<Value> take_and_erase(const Key& k) { 98 scoped_ptr<Value> take_and_erase(const Key& k) {
100 iterator it = find(k); 99 iterator it = find(k);
(...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after
144 143
145 private: 144 private:
146 Container data_; 145 Container data_;
147 146
148 DISALLOW_COPY_AND_ASSIGN(ScopedPtrHashMap); 147 DISALLOW_COPY_AND_ASSIGN(ScopedPtrHashMap);
149 }; 148 };
150 149
151 } // namespace cc 150 } // namespace cc
152 151
153 #endif // CC_SCOPED_PTR_HASH_MAP_H_ 152 #endif // CC_SCOPED_PTR_HASH_MAP_H_
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