The Tor Browser / file comparison
comparison: netwerk/base/src/AutoClose.h
netwerk/base/src/AutoClose.h
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| -1:000000000000 | 0:067f2eed979a |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef mozilla_net_AutoClose_h | |
| 8 #define mozilla_net_AutoClose_h | |
| 9 | |
| 10 #include "nsCOMPtr.h" | |
| 11 | |
| 12 namespace mozilla { namespace net { | |
| 13 | |
| 14 // Like an nsAutoPtr for XPCOM streams (e.g. nsIAsyncInputStream) and other | |
| 15 // refcounted classes that need to have the Close() method called explicitly | |
| 16 // before they are destroyed. | |
| 17 template <typename T> | |
| 18 class AutoClose | |
| 19 { | |
| 20 public: | |
| 21 AutoClose() { } | |
| 22 ~AutoClose(){ | |
| 23 Close(); | |
| 24 } | |
| 25 | |
| 26 operator bool() const | |
| 27 { | |
| 28 return mPtr; | |
| 29 } | |
| 30 | |
| 31 already_AddRefed<T> forget() | |
| 32 { | |
| 33 return mPtr.forget(); | |
| 34 } | |
| 35 | |
| 36 void takeOver(nsCOMPtr<T> & rhs) | |
| 37 { | |
| 38 Close(); | |
| 39 mPtr = rhs.forget(); | |
| 40 } | |
| 41 | |
| 42 void takeOver(AutoClose<T> & rhs) | |
| 43 { | |
| 44 Close(); | |
| 45 mPtr = rhs.mPtr.forget(); | |
| 46 } | |
| 47 | |
| 48 void CloseAndRelease() | |
| 49 { | |
| 50 Close(); | |
| 51 mPtr = nullptr; | |
| 52 } | |
| 53 | |
| 54 T* operator->() const | |
| 55 { | |
| 56 return mPtr.operator->(); | |
| 57 } | |
| 58 | |
| 59 private: | |
| 60 void Close() | |
| 61 { | |
| 62 if (mPtr) { | |
| 63 mPtr->Close(); | |
| 64 } | |
| 65 } | |
| 66 | |
| 67 void operator=(const AutoClose<T> &) MOZ_DELETE; | |
| 68 AutoClose(const AutoClose<T> &) MOZ_DELETE; | |
| 69 | |
| 70 nsCOMPtr<T> mPtr; | |
| 71 }; | |
| 72 | |
| 73 } } // namespace mozilla::net | |
| 74 | |
| 75 #endif // mozilla_net_AutoClose_h |
