| OLD | NEW |
| 1 /* | 1 #include "../common/WebPrivateOwnPtr.h" |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
| 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef WebPrivateOwnPtr_h | |
| 27 #define WebPrivateOwnPtr_h | |
| 28 | |
| 29 #include "WebCommon.h" | |
| 30 | |
| 31 namespace WebKit { | |
| 32 | |
| 33 // This class is an implementation detail of the WebKit API. It exists | |
| 34 // to help simplify the implementation of WebKit interfaces that merely | |
| 35 // wrap a pointer to a WebCore class. It's similar to WebPrivatePtr, but it | |
| 36 // wraps a naked pointer rather than a reference counted. | |
| 37 // Note: you must call reset(0) on the implementation side in order to delete | |
| 38 // the WebCore pointer. | |
| 39 template <typename T> | |
| 40 class WebPrivateOwnPtr { | |
| 41 public: | |
| 42 WebPrivateOwnPtr() : m_ptr(0) {} | |
| 43 ~WebPrivateOwnPtr() { WEBKIT_ASSERT(!m_ptr); } | |
| 44 | |
| 45 #if WEBKIT_IMPLEMENTATION | |
| 46 explicit WebPrivateOwnPtr(T* ptr) | |
| 47 : m_ptr(ptr) | |
| 48 { | |
| 49 } | |
| 50 | |
| 51 void reset(T* ptr) | |
| 52 { | |
| 53 delete m_ptr; | |
| 54 m_ptr = ptr; | |
| 55 } | |
| 56 | |
| 57 T* get() const { return m_ptr; } | |
| 58 | |
| 59 T* operator->() const | |
| 60 { | |
| 61 WEBKIT_ASSERT(m_ptr); | |
| 62 return m_ptr; | |
| 63 } | |
| 64 #endif // WEBKIT_IMPLEMENTATION | |
| 65 | |
| 66 private: | |
| 67 T* m_ptr; | |
| 68 | |
| 69 WebPrivateOwnPtr(const WebPrivateOwnPtr&); | |
| 70 void operator=(const WebPrivateOwnPtr&); | |
| 71 }; | |
| 72 | |
| 73 } // namespace WebKit | |
| 74 | |
| 75 #endif | |
| OLD | NEW |