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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2010 Apple Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
| 11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
| 12 * | 12 * |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 */ | 24 */ |
| 25 | 25 |
| 26 #ifndef WTF_PassOwnArrayPtr_h | 26 #ifndef WTF_PassOwnArrayPtr_h |
| 27 #define WTF_PassOwnArrayPtr_h | 27 #define WTF_PassOwnArrayPtr_h |
| 28 | 28 |
| 29 #include "wtf/Assertions.h" | 29 #include "wtf/Assertions.h" |
| 30 #include "wtf/NullPtr.h" | 30 #include "wtf/NullPtr.h" |
| 31 #include "wtf/TypeTraits.h" | 31 #include "wtf/TypeTraits.h" |
| 32 | 32 |
| 33 namespace WTF { | 33 namespace WTF { |
| (...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 76 mutable PtrType m_ptr; | 76 mutable PtrType m_ptr; |
| 77 }; | 77 }; |
| 78 | 78 |
| 79 template<typename T> inline typename PassOwnArrayPtr<T>::PtrType PassOwnArrayPtr
<T>::leakPtr() const | 79 template<typename T> inline typename PassOwnArrayPtr<T>::PtrType PassOwnArrayPtr
<T>::leakPtr() const |
| 80 { | 80 { |
| 81 PtrType ptr = m_ptr; | 81 PtrType ptr = m_ptr; |
| 82 m_ptr = 0; | 82 m_ptr = 0; |
| 83 return ptr; | 83 return ptr; |
| 84 } | 84 } |
| 85 | 85 |
| 86 template<typename T, typename U> inline bool operator==(const PassOwnArrayPtr<T>
& a, const PassOwnArrayPtr<U>& b) | 86 template<typename T, typename U> inline bool operator==(const PassOwnArrayPtr<T>
& a, const PassOwnArrayPtr<U>& b) |
| 87 { | 87 { |
| 88 return a.get() == b.get(); | 88 return a.get() == b.get(); |
| 89 } | 89 } |
| 90 | 90 |
| 91 template<typename T, typename U> inline bool operator==(const PassOwnArrayPtr<T>
& a, const OwnArrayPtr<U>& b) | 91 template<typename T, typename U> inline bool operator==(const PassOwnArrayPtr<T>
& a, const OwnArrayPtr<U>& b) |
| 92 { | 92 { |
| 93 return a.get() == b.get(); | 93 return a.get() == b.get(); |
| 94 } | 94 } |
| 95 | 95 |
| 96 template<typename T, typename U> inline bool operator==(const OwnArrayPtr<T>& a,
const PassOwnArrayPtr<U>& b) | 96 template<typename T, typename U> inline bool operator==(const OwnArrayPtr<T>& a,
const PassOwnArrayPtr<U>& b) |
| 97 { | 97 { |
| 98 return a.get() == b.get(); | 98 return a.get() == b.get(); |
| 99 } | 99 } |
| 100 | 100 |
| 101 template<typename T, typename U> inline bool operator==(const PassOwnArrayPtr<T>
& a, U* b) | 101 template<typename T, typename U> inline bool operator==(const PassOwnArrayPtr<T>
& a, U* b) |
| 102 { | 102 { |
| 103 return a.get() == b; | 103 return a.get() == b; |
| 104 } | 104 } |
| 105 | 105 |
| 106 template<typename T, typename U> inline bool operator==(T* a, const PassOwnArray
Ptr<U>& b) | 106 template<typename T, typename U> inline bool operator==(T* a, const PassOwnArray
Ptr<U>& b) |
| 107 { | 107 { |
| 108 return a == b.get(); | 108 return a == b.get(); |
| 109 } | 109 } |
| 110 | 110 |
| 111 template<typename T, typename U> inline bool operator!=(const PassOwnArrayPtr<T>
& a, const PassOwnArrayPtr<U>& b) | 111 template<typename T, typename U> inline bool operator!=(const PassOwnArrayPtr<T>
& a, const PassOwnArrayPtr<U>& b) |
| 112 { | 112 { |
| 113 return a.get() != b.get(); | 113 return a.get() != b.get(); |
| 114 } | 114 } |
| 115 | 115 |
| 116 template<typename T, typename U> inline bool operator!=(const PassOwnArrayPtr<T>
& a, const OwnArrayPtr<U>& b) | 116 template<typename T, typename U> inline bool operator!=(const PassOwnArrayPtr<T>
& a, const OwnArrayPtr<U>& b) |
| 117 { | 117 { |
| 118 return a.get() != b.get(); | 118 return a.get() != b.get(); |
| 119 } | 119 } |
| 120 | 120 |
| 121 template<typename T, typename U> inline bool operator!=(const OwnArrayPtr<T>& a,
const PassOwnArrayPtr<U>& b) | 121 template<typename T, typename U> inline bool operator!=(const OwnArrayPtr<T>& a,
const PassOwnArrayPtr<U>& b) |
| 122 { | 122 { |
| 123 return a.get() != b.get(); | 123 return a.get() != b.get(); |
| 124 } | 124 } |
| 125 | 125 |
| 126 template<typename T, typename U> inline bool operator!=(const PassOwnArrayPtr<T>
& a, U* b) | 126 template<typename T, typename U> inline bool operator!=(const PassOwnArrayPtr<T>
& a, U* b) |
| 127 { | 127 { |
| 128 return a.get() != b; | 128 return a.get() != b; |
| 129 } | 129 } |
| 130 | 130 |
| 131 template<typename T, typename U> inline bool operator!=(T* a, const PassOwnArray
Ptr<U>& b) | 131 template<typename T, typename U> inline bool operator!=(T* a, const PassOwnArray
Ptr<U>& b) |
| 132 { | 132 { |
| 133 return a != b.get(); | 133 return a != b.get(); |
| 134 } | 134 } |
| 135 | 135 |
| 136 template<typename T> inline PassOwnArrayPtr<T> adoptArrayPtr(T* ptr) | 136 template<typename T> inline PassOwnArrayPtr<T> adoptArrayPtr(T* ptr) |
| 137 { | 137 { |
| 138 return PassOwnArrayPtr<T>(ptr); | 138 return PassOwnArrayPtr<T>(ptr); |
| 139 } | 139 } |
| 140 | 140 |
| 141 template<typename T> inline void deleteOwnedArrayPtr(T* ptr) | 141 template<typename T> inline void deleteOwnedArrayPtr(T* ptr) |
| 142 { | 142 { |
| 143 typedef char known[sizeof(T) ? 1 : -1]; | 143 typedef char known[sizeof(T) ? 1 : -1]; |
| 144 if (sizeof(known)) | 144 if (sizeof(known)) |
| 145 delete [] ptr; | 145 delete [] ptr; |
| 146 } | 146 } |
| 147 | 147 |
| 148 template<typename T, typename U> inline PassOwnArrayPtr<T> static_pointer_cast(c
onst PassOwnArrayPtr<U>& p) | 148 template<typename T, typename U> inline PassOwnArrayPtr<T> static_pointer_cast(c
onst PassOwnArrayPtr<U>& p) |
| 149 { | 149 { |
| 150 return adoptArrayPtr(static_cast<T*>(p.leakPtr())); | 150 return adoptArrayPtr(static_cast<T*>(p.leakPtr())); |
| 151 } | 151 } |
| 152 | 152 |
| 153 template<typename T, typename U> inline PassOwnArrayPtr<T> const_pointer_cast(co
nst PassOwnArrayPtr<U>& p) | 153 template<typename T, typename U> inline PassOwnArrayPtr<T> const_pointer_cast(co
nst PassOwnArrayPtr<U>& p) |
| 154 { | 154 { |
| 155 return adoptArrayPtr(const_cast<T*>(p.leakPtr())); | 155 return adoptArrayPtr(const_cast<T*>(p.leakPtr())); |
| 156 } | 156 } |
| 157 | 157 |
| 158 template<typename T> inline T* getPtr(const PassOwnArrayPtr<T>& p) | 158 template<typename T> inline T* getPtr(const PassOwnArrayPtr<T>& p) |
| 159 { | 159 { |
| 160 return p.get(); | 160 return p.get(); |
| 161 } | 161 } |
| 162 | 162 |
| 163 } // namespace WTF | 163 } // namespace WTF |
| 164 | 164 |
| 165 using WTF::PassOwnArrayPtr; | 165 using WTF::PassOwnArrayPtr; |
| 166 using WTF::adoptArrayPtr; | 166 using WTF::adoptArrayPtr; |
| 167 using WTF::const_pointer_cast; | 167 using WTF::const_pointer_cast; |
| 168 using WTF::static_pointer_cast; | 168 using WTF::static_pointer_cast; |
| 169 | 169 |
| 170 #endif // WTF_PassOwnArrayPtr_h | 170 #endif // WTF_PassOwnArrayPtr_h |
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