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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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33 class ref_counted | 33 class ref_counted |
34 { | 34 { |
35 public: | 35 public: |
36 void AddRef() | 36 void AddRef() |
37 { | 37 { |
38 mRefCount++; | 38 mRefCount++; |
39 } | 39 } |
40 | 40 |
41 void ReleaseRef() | 41 void ReleaseRef() |
42 { | 42 { |
43 assert(mRefCount > 0, u"Unexpected zero or negative reference count"_str); | 43 assert2(mRefCount > 0, u"Unexpected zero or negative reference count"_str); |
44 if (--mRefCount == 0) | 44 if (--mRefCount == 0) |
45 delete this; | 45 delete this; |
46 } | 46 } |
47 | 47 |
48 protected: | 48 protected: |
49 ref_counted() | 49 ref_counted() |
50 : mRefCount(1) | 50 : mRefCount(1) |
51 { | 51 { |
52 } | 52 } |
53 | 53 |
54 virtual ~ref_counted() | 54 virtual ~ref_counted() |
55 { | 55 { |
56 assert(mRefCount == 0, u"Destroying a ref-counted object with a non-zero ref
erence count"_str); | 56 assert2(mRefCount == 0, u"Destroying a ref-counted object with a non-zero re
ference count"_str); |
57 } | 57 } |
58 | 58 |
59 private: | 59 private: |
60 int mRefCount; | 60 int mRefCount; |
61 }; | 61 }; |
62 | 62 |
63 template<typename T, | 63 template<typename T, |
64 class = typename std::enable_if<std::is_base_of<ref_counted,T>::value>::type
> | 64 class = typename std::enable_if<std::is_base_of<ref_counted,T>::value>::type
> |
65 class intrusive_ptr | 65 class intrusive_ptr |
66 { | 66 { |
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208 inline bool operator==(const T* a, const intrusive_ptr<U>& b) | 208 inline bool operator==(const T* a, const intrusive_ptr<U>& b) |
209 { | 209 { |
210 return a == b.get(); | 210 return a == b.get(); |
211 } | 211 } |
212 | 212 |
213 template<typename T, typename U> | 213 template<typename T, typename U> |
214 inline bool operator!=(const T* a, intrusive_ptr<U> const& b) | 214 inline bool operator!=(const T* a, intrusive_ptr<U> const& b) |
215 { | 215 { |
216 return a != b.get(); | 216 return a != b.get(); |
217 } | 217 } |
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