Index: third_party/WebKit/Source/wtf/RetainPtr.h |
diff --git a/third_party/WebKit/Source/wtf/RetainPtr.h b/third_party/WebKit/Source/wtf/RetainPtr.h |
index dbf631741fa2abe9b5cd1eedaf2e4bc295e85a5e..656fb32d65aa1a21a99e9cb92da2065cc3e236d4 100644 |
--- a/third_party/WebKit/Source/wtf/RetainPtr.h |
+++ b/third_party/WebKit/Source/wtf/RetainPtr.h |
@@ -1,341 +1,9 @@ |
-/* |
- * Copyright (C) 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved. |
- * |
- * This library is free software; you can redistribute it and/or |
- * modify it under the terms of the GNU Library General Public |
- * License as published by the Free Software Foundation; either |
- * version 2 of the License, or (at your option) any later version. |
- * |
- * This library is distributed in the hope that it will be useful, |
- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
- * Library General Public License for more details. |
- * |
- * You should have received a copy of the GNU Library General Public License |
- * along with this library; see the file COPYING.LIB. If not, write to |
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
- * Boston, MA 02110-1301, USA. |
- * |
- */ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
-#ifndef RetainPtr_h |
-#define RetainPtr_h |
+#include "platform/wtf/RetainPtr.h" |
-#include "wtf/Compiler.h" |
-#include "wtf/HashTableDeletedValueType.h" |
-#include "wtf/HashTraits.h" |
-#include "wtf/TypeTraits.h" |
-#include <algorithm> |
-#include <type_traits> |
-#include <utility> |
- |
-#if USE(CF) |
-#include <CoreFoundation/CoreFoundation.h> |
-#endif |
- |
-#ifdef __OBJC__ |
-#import <Foundation/Foundation.h> |
-#endif |
- |
-#ifndef CF_RELEASES_ARGUMENT |
-#define CF_RELEASES_ARGUMENT |
-#endif |
- |
-#ifndef NS_RELEASES_ARGUMENT |
-#define NS_RELEASES_ARGUMENT |
-#endif |
- |
-namespace WTF { |
- |
-// Unlike most most of our smart pointers, RetainPtr can take either the pointer |
-// type or the pointed-to type, so both RetainPtr<NSDictionary> and |
-// RetainPtr<CFDictionaryRef> will work. |
- |
-enum AdoptCFTag { AdoptCF }; |
-enum AdoptNSTag { AdoptNS }; |
- |
-#ifdef __OBJC__ |
-inline void adoptNSReference(id ptr) { |
- if (ptr) { |
- CFRetain(ptr); |
- [ptr release]; |
- } |
-} |
-#endif |
- |
-template <typename T> |
-class RetainPtr { |
- public: |
- typedef typename std::remove_pointer<T>::type ValueType; |
- typedef ValueType* PtrType; |
- |
- RetainPtr() : m_ptr(nullptr) {} |
- RetainPtr(PtrType ptr) : m_ptr(ptr) { |
- if (ptr) |
- CFRetain(ptr); |
- } |
- |
- RetainPtr(AdoptCFTag, PtrType ptr) : m_ptr(ptr) {} |
- RetainPtr(AdoptNSTag, PtrType ptr) : m_ptr(ptr) { adoptNSReference(ptr); } |
- |
- RetainPtr(const RetainPtr& o) : m_ptr(o.m_ptr) { |
- if (PtrType ptr = m_ptr) |
- CFRetain(ptr); |
- } |
- |
- RetainPtr(RetainPtr&& o) : m_ptr(o.leakRef()) {} |
- |
- // Hash table deleted values, which are only constructed and never copied or |
- // destroyed. |
- RetainPtr(HashTableDeletedValueType) : m_ptr(hashTableDeletedValue()) {} |
- bool isHashTableDeletedValue() const { |
- return m_ptr == hashTableDeletedValue(); |
- } |
- |
- ~RetainPtr() { |
- if (PtrType ptr = m_ptr) |
- CFRelease(ptr); |
- } |
- |
- template <typename U> |
- RetainPtr(const RetainPtr<U>&); |
- |
- void clear(); |
- WARN_UNUSED_RESULT PtrType leakRef(); |
- |
- PtrType get() const { return m_ptr; } |
- PtrType operator->() const { return m_ptr; } |
- |
- bool operator!() const { return !m_ptr; } |
- explicit operator bool() const { return m_ptr; } |
- |
- RetainPtr& operator=(const RetainPtr&); |
- template <typename U> |
- RetainPtr& operator=(const RetainPtr<U>&); |
- RetainPtr& operator=(PtrType); |
- template <typename U> |
- RetainPtr& operator=(U*); |
- |
- RetainPtr& operator=(RetainPtr&&); |
- template <typename U> |
- RetainPtr& operator=(RetainPtr<U>&&); |
- |
- RetainPtr& operator=(std::nullptr_t) { |
- clear(); |
- return *this; |
- } |
- |
- void adoptCF(PtrType); |
- void adoptNS(PtrType); |
- |
- void swap(RetainPtr&); |
- |
- private: |
- static PtrType hashTableDeletedValue() { |
- return reinterpret_cast<PtrType>(-1); |
- } |
- |
- PtrType m_ptr; |
-}; |
- |
-template <typename T> |
-template <typename U> |
-inline RetainPtr<T>::RetainPtr(const RetainPtr<U>& o) : m_ptr(o.get()) { |
- if (PtrType ptr = m_ptr) |
- CFRetain(ptr); |
-} |
- |
-template <typename T> |
-inline void RetainPtr<T>::clear() { |
- if (PtrType ptr = m_ptr) { |
- m_ptr = nullptr; |
- CFRelease(ptr); |
- } |
-} |
- |
-template <typename T> |
-inline typename RetainPtr<T>::PtrType RetainPtr<T>::leakRef() { |
- PtrType ptr = m_ptr; |
- m_ptr = nullptr; |
- return ptr; |
-} |
- |
-template <typename T> |
-inline RetainPtr<T>& RetainPtr<T>::operator=(const RetainPtr<T>& o) { |
- PtrType optr = o.get(); |
- if (optr) |
- CFRetain(optr); |
- PtrType ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- CFRelease(ptr); |
- return *this; |
-} |
- |
-template <typename T> |
-template <typename U> |
-inline RetainPtr<T>& RetainPtr<T>::operator=(const RetainPtr<U>& o) { |
- PtrType optr = o.get(); |
- if (optr) |
- CFRetain(optr); |
- PtrType ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- CFRelease(ptr); |
- return *this; |
-} |
- |
-template <typename T> |
-inline RetainPtr<T>& RetainPtr<T>::operator=(PtrType optr) { |
- if (optr) |
- CFRetain(optr); |
- PtrType ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- CFRelease(ptr); |
- return *this; |
-} |
- |
-template <typename T> |
-template <typename U> |
-inline RetainPtr<T>& RetainPtr<T>::operator=(U* optr) { |
- if (optr) |
- CFRetain(optr); |
- PtrType ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- CFRelease(ptr); |
- return *this; |
-} |
- |
-template <typename T> |
-inline RetainPtr<T>& RetainPtr<T>::operator=(RetainPtr<T>&& o) { |
- adoptCF(o.leakRef()); |
- return *this; |
-} |
- |
-template <typename T> |
-template <typename U> |
-inline RetainPtr<T>& RetainPtr<T>::operator=(RetainPtr<U>&& o) { |
- adoptCF(o.leakRef()); |
- return *this; |
-} |
- |
-template <typename T> |
-inline void RetainPtr<T>::adoptCF(PtrType optr) { |
- PtrType ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- CFRelease(ptr); |
-} |
- |
-template <typename T> |
-inline void RetainPtr<T>::adoptNS(PtrType optr) { |
- adoptNSReference(optr); |
- |
- PtrType ptr = m_ptr; |
- m_ptr = optr; |
- if (ptr) |
- CFRelease(ptr); |
-} |
- |
-template <typename T> |
-inline void RetainPtr<T>::swap(RetainPtr<T>& o) { |
- std::swap(m_ptr, o.m_ptr); |
-} |
- |
-template <typename T> |
-inline void swap(RetainPtr<T>& a, RetainPtr<T>& b) { |
- a.swap(b); |
-} |
- |
-template <typename T, typename U> |
-inline bool operator==(const RetainPtr<T>& a, const RetainPtr<U>& b) { |
- return a.get() == b.get(); |
-} |
- |
-template <typename T, typename U> |
-inline bool operator==(const RetainPtr<T>& a, U* b) { |
- return a.get() == b; |
-} |
- |
-template <typename T, typename U> |
-inline bool operator==(T* a, const RetainPtr<U>& b) { |
- return a == b.get(); |
-} |
- |
-template <typename T, typename U> |
-inline bool operator!=(const RetainPtr<T>& a, const RetainPtr<U>& b) { |
- return a.get() != b.get(); |
-} |
- |
-template <typename T, typename U> |
-inline bool operator!=(const RetainPtr<T>& a, U* b) { |
- return a.get() != b; |
-} |
- |
-template <typename T, typename U> |
-inline bool operator!=(T* a, const RetainPtr<U>& b) { |
- return a != b.get(); |
-} |
- |
-template <typename T> |
-WARN_UNUSED_RESULT inline RetainPtr<T> adoptCF(T CF_RELEASES_ARGUMENT); |
-template <typename T> |
-inline RetainPtr<T> adoptCF(T o) { |
- return RetainPtr<T>(AdoptCF, o); |
-} |
- |
-template <typename T> |
-WARN_UNUSED_RESULT inline RetainPtr<T> adoptNS(T NS_RELEASES_ARGUMENT); |
-template <typename T> |
-inline RetainPtr<T> adoptNS(T o) { |
- return RetainPtr<T>(AdoptNS, o); |
-} |
- |
-// Helper function for creating a RetainPtr using template argument deduction. |
-template <typename T> |
-WARN_UNUSED_RESULT inline RetainPtr<T> retainPtr(T); |
-template <typename T> |
-inline RetainPtr<T> retainPtr(T o) { |
- return RetainPtr<T>(o); |
-} |
- |
-template <typename T> |
-struct HashTraits<RetainPtr<T>> : SimpleClassHashTraits<RetainPtr<T>> {}; |
- |
-template <typename T> |
-struct RetainPtrHash |
- : PtrHash< |
- typename std::remove_pointer<typename RetainPtr<T>::PtrType>::type> { |
- using Base = PtrHash< |
- typename std::remove_pointer<typename RetainPtr<T>::PtrType>::type>; |
- using Base::hash; |
- static unsigned hash(const RetainPtr<T>& key) { return hash(key.get()); } |
- using Base::equal; |
- static bool equal(const RetainPtr<T>& a, const RetainPtr<T>& b) { |
- return a == b; |
- } |
- static bool equal(typename RetainPtr<T>::PtrType a, const RetainPtr<T>& b) { |
- return a == b; |
- } |
- static bool equal(const RetainPtr<T>& a, typename RetainPtr<T>::PtrType b) { |
- return a == b; |
- } |
-}; |
- |
-template <typename T> |
-struct DefaultHash<RetainPtr<T>> { |
- using Hash = RetainPtrHash<T>; |
-}; |
- |
-} // namespace WTF |
- |
-using WTF::AdoptCF; |
-using WTF::AdoptNS; |
-using WTF::adoptCF; |
-using WTF::adoptNS; |
-using WTF::RetainPtr; |
-using WTF::retainPtr; |
- |
-#endif // WTF_RetainPtr_h |
+// The contents of this header was moved to platform/wtf as part of |
+// WTF migration project. See the following post for details: |
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ |