Chromium Code Reviews| OLD | NEW |
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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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_SCOPED_VECTOR_H_ | 5 #ifndef BASE_SCOPED_VECTOR_H_ |
| 6 #define BASE_SCOPED_VECTOR_H_ | 6 #define BASE_SCOPED_VECTOR_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "base/logging.h" | 11 #include "base/logging.h" |
| 12 #include "base/stl_util-inl.h" | 12 #include "base/stl_util-inl.h" |
| 13 | 13 |
| 14 // ScopedVector wraps a vector deleting the elements from its | 14 // ScopedVector wraps a vector deleting the elements from its |
| 15 // destructor. | 15 // destructor. |
| 16 template <class T> | 16 template <class T> |
| 17 class ScopedVector { | 17 class ScopedVector { |
| 18 public: | 18 public: |
| 19 typedef typename std::vector<T*>::iterator iterator; | 19 typedef typename std::vector<T*>::iterator iterator; |
| 20 typedef typename std::vector<T*>::const_iterator const_iterator; | 20 typedef typename std::vector<T*>::const_iterator const_iterator; |
| 21 typedef typename std::vector<T*>::reverse_iterator reverse_iterator; | 21 typedef typename std::vector<T*>::reverse_iterator reverse_iterator; |
| 22 typedef typename std::vector<T*>::const_reverse_iterator | 22 typedef typename std::vector<T*>::const_reverse_iterator |
| 23 const_reverse_iterator; | 23 const_reverse_iterator; |
| 24 | 24 |
| 25 ScopedVector() {} | 25 ScopedVector() {} |
| 26 ~ScopedVector() { reset(); } | 26 ~ScopedVector() { reset(); } |
| 27 | 27 |
| 28 std::vector<T*>* operator->() { return &v; } | 28 std::vector<T*>* operator->() { return &v; } |
| 29 const std::vector<T*>* operator->() const { return &v; } | 29 const std::vector<T*>* operator->() const { return &v; } |
| 30 T* operator[](size_t i) { return v[i]; } | 30 T*& operator[](size_t i) { return v[i]; } |
|
viettrungluu
2010/08/19 18:57:44
Wow, that was broken before.
| |
| 31 const T* operator[](size_t i) const { return v[i]; } | 31 const T* operator[](size_t i) const { return v[i]; } |
| 32 | 32 |
| 33 bool empty() const { return v.empty(); } | 33 bool empty() const { return v.empty(); } |
| 34 size_t size() const { return v.size(); } | 34 size_t size() const { return v.size(); } |
| 35 | 35 |
| 36 reverse_iterator rbegin() { return v.rbegin(); } | 36 reverse_iterator rbegin() { return v.rbegin(); } |
| 37 const_reverse_iterator rbegin() const { return v.rbegin(); } | 37 const_reverse_iterator rbegin() const { return v.rbegin(); } |
| 38 reverse_iterator rend() { return v.rend(); } | 38 reverse_iterator rend() { return v.rend(); } |
| 39 const_reverse_iterator rend() const { return v.rend(); } | 39 const_reverse_iterator rend() const { return v.rend(); } |
| 40 | 40 |
| 41 iterator begin() { return v.begin(); } | 41 iterator begin() { return v.begin(); } |
| 42 const_iterator begin() const { return v.begin(); } | 42 const_iterator begin() const { return v.begin(); } |
| 43 iterator end() { return v.end(); } | 43 iterator end() { return v.end(); } |
| 44 const_iterator end() const { return v.end(); } | 44 const_iterator end() const { return v.end(); } |
| 45 | 45 |
| 46 void push_back(T* elem) { v.push_back(elem); } | 46 void push_back(T* elem) { v.push_back(elem); } |
| 47 | 47 |
| 48 std::vector<T*>& get() { return v; } | 48 std::vector<T*>& get() { return v; } |
| 49 const std::vector<T*>& get() const { return v; } | 49 const std::vector<T*>& get() const { return v; } |
| 50 void swap(ScopedVector<T>& other) { v.swap(other.v); } | 50 void swap(ScopedVector<T>& other) { v.swap(other.v); } |
| 51 void release(std::vector<T*>* out) { | 51 void release(std::vector<T*>* out) { |
| 52 out->swap(v); | 52 out->swap(v); |
| 53 v.clear(); | 53 v.clear(); |
| 54 } | 54 } |
| 55 | 55 |
| 56 void reset() { STLDeleteElements(&v); } | 56 void reset() { STLDeleteElements(&v); } |
| 57 void resize(size_t new_size) { v.resize(new_size); } | |
| 57 | 58 |
| 58 private: | 59 private: |
| 59 std::vector<T*> v; | 60 std::vector<T*> v; |
| 60 | 61 |
| 61 DISALLOW_COPY_AND_ASSIGN(ScopedVector); | 62 DISALLOW_COPY_AND_ASSIGN(ScopedVector); |
| 62 }; | 63 }; |
| 63 | 64 |
| 64 #endif // BASE_SCOPED_VECTOR_H_ | 65 #endif // BASE_SCOPED_VECTOR_H_ |
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