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1 /* | 1 /* |
2 * This file is part of Adblock Plus <https://adblockplus.org/>, | 2 * This file is part of Adblock Plus <https://adblockplus.org/>, |
3 * Copyright (C) 2006-present eyeo GmbH | 3 * Copyright (C) 2006-present eyeo GmbH |
4 * | 4 * |
5 * Adblock Plus is free software: you can redistribute it and/or modify | 5 * Adblock Plus is free software: you can redistribute it and/or modify |
6 * it under the terms of the GNU General Public License version 3 as | 6 * it under the terms of the GNU General Public License version 3 as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
8 * | 8 * |
9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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57 | 57 |
58 virtual ~ref_counted() | 58 virtual ~ref_counted() |
59 { | 59 { |
60 assert2(mRefCount == 0, u"Destroying a ref-counted object with a non-zero re
ference count"_str); | 60 assert2(mRefCount == 0, u"Destroying a ref-counted object with a non-zero re
ference count"_str); |
61 } | 61 } |
62 | 62 |
63 private: | 63 private: |
64 int mRefCount; | 64 int mRefCount; |
65 }; | 65 }; |
66 | 66 |
67 template<typename T, | 67 template<typename T> |
68 class = typename std::enable_if<std::is_base_of<ref_counted,T>::value>::type
> | |
69 class intrusive_ptr | 68 class intrusive_ptr |
70 { | 69 { |
| 70 static_assert(std::is_base_of<ref_counted, T>::value, "The class T should inhe
rit ref_counted"); |
71 public: | 71 public: |
72 explicit intrusive_ptr() | 72 explicit intrusive_ptr() |
73 : mPointer(nullptr) | 73 : mPointer(nullptr) |
74 { | 74 { |
75 } | 75 } |
76 | 76 |
77 explicit intrusive_ptr(T* pointer, bool addRef = true) | 77 explicit intrusive_ptr(T* pointer, bool addRef = true) |
78 : mPointer(pointer) | 78 : mPointer(pointer) |
79 { | 79 { |
80 if (mPointer && addRef) | 80 if (mPointer && addRef) |
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216 return a == b.get(); | 216 return a == b.get(); |
217 } | 217 } |
218 | 218 |
219 template<typename T, typename U> | 219 template<typename T, typename U> |
220 inline bool operator!=(const T* a, intrusive_ptr<U> const& b) | 220 inline bool operator!=(const T* a, intrusive_ptr<U> const& b) |
221 { | 221 { |
222 return a != b.get(); | 222 return a != b.get(); |
223 } | 223 } |
224 | 224 |
225 ABP_NS_END | 225 ABP_NS_END |
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