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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 BASE_MEMORY_SCOPED_VECTOR_H_ | 5 #ifndef BASE_MEMORY_SCOPED_VECTOR_H_ |
6 #define BASE_MEMORY_SCOPED_VECTOR_H_ | 6 #define BASE_MEMORY_SCOPED_VECTOR_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/logging.h" | 11 #include "base/logging.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "base/move.h" | 13 #include "base/move.h" |
14 #include "base/stl_util.h" | 14 #include "base/stl_util.h" |
15 | 15 |
16 // ScopedVector wraps a vector deleting the elements from its | 16 // ScopedVector wraps a vector deleting the elements from its |
17 // destructor. | 17 // destructor. |
18 template <class T> | 18 template <class T> |
19 class ScopedVector { | 19 class ScopedVector { |
20 MOVE_ONLY_TYPE_FOR_CPP_03(ScopedVector, RValue) | 20 MOVE_ONLY_TYPE_FOR_CPP_03(ScopedVector) |
21 | 21 |
22 public: | 22 public: |
23 typedef typename std::vector<T*>::allocator_type allocator_type; | 23 typedef typename std::vector<T*>::allocator_type allocator_type; |
24 typedef typename std::vector<T*>::size_type size_type; | 24 typedef typename std::vector<T*>::size_type size_type; |
25 typedef typename std::vector<T*>::difference_type difference_type; | 25 typedef typename std::vector<T*>::difference_type difference_type; |
26 typedef typename std::vector<T*>::pointer pointer; | 26 typedef typename std::vector<T*>::pointer pointer; |
27 typedef typename std::vector<T*>::const_pointer const_pointer; | 27 typedef typename std::vector<T*>::const_pointer const_pointer; |
28 typedef typename std::vector<T*>::reference reference; | 28 typedef typename std::vector<T*>::reference reference; |
29 typedef typename std::vector<T*>::const_reference const_reference; | 29 typedef typename std::vector<T*>::const_reference const_reference; |
30 typedef typename std::vector<T*>::value_type value_type; | 30 typedef typename std::vector<T*>::value_type value_type; |
31 typedef typename std::vector<T*>::iterator iterator; | 31 typedef typename std::vector<T*>::iterator iterator; |
32 typedef typename std::vector<T*>::const_iterator const_iterator; | 32 typedef typename std::vector<T*>::const_iterator const_iterator; |
33 typedef typename std::vector<T*>::reverse_iterator reverse_iterator; | 33 typedef typename std::vector<T*>::reverse_iterator reverse_iterator; |
34 typedef typename std::vector<T*>::const_reverse_iterator | 34 typedef typename std::vector<T*>::const_reverse_iterator |
35 const_reverse_iterator; | 35 const_reverse_iterator; |
36 | 36 |
37 ScopedVector() {} | 37 ScopedVector() {} |
38 ~ScopedVector() { clear(); } | 38 ~ScopedVector() { clear(); } |
39 ScopedVector(RValue other) { swap(*other.object); } | 39 ScopedVector(ScopedVector&& other) { swap(other); } |
40 | 40 |
41 ScopedVector& operator=(RValue rhs) { | 41 ScopedVector& operator=(ScopedVector&& rhs) { |
42 swap(*rhs.object); | 42 swap(rhs); |
43 return *this; | 43 return *this; |
44 } | 44 } |
45 | 45 |
46 reference operator[](size_t index) { return v_[index]; } | 46 reference operator[](size_t index) { return v_[index]; } |
47 const_reference operator[](size_t index) const { return v_[index]; } | 47 const_reference operator[](size_t index) const { return v_[index]; } |
48 | 48 |
49 bool empty() const { return v_.empty(); } | 49 bool empty() const { return v_.empty(); } |
50 size_t size() const { return v_.size(); } | 50 size_t size() const { return v_.size(); } |
51 | 51 |
52 reverse_iterator rbegin() { return v_.rbegin(); } | 52 reverse_iterator rbegin() { return v_.rbegin(); } |
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134 // Like |erase()|, but doesn't delete the elements in [first, last). | 134 // Like |erase()|, but doesn't delete the elements in [first, last). |
135 iterator weak_erase(iterator first, iterator last) { | 135 iterator weak_erase(iterator first, iterator last) { |
136 return v_.erase(first, last); | 136 return v_.erase(first, last); |
137 } | 137 } |
138 | 138 |
139 private: | 139 private: |
140 std::vector<T*> v_; | 140 std::vector<T*> v_; |
141 }; | 141 }; |
142 | 142 |
143 #endif // BASE_MEMORY_SCOPED_VECTOR_H_ | 143 #endif // BASE_MEMORY_SCOPED_VECTOR_H_ |
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