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Side by Side Diff: base/memory/scoped_ptr.h

Issue 11344041: Revert 165006 - Revert 165005 until skia_webkit.gyp is present everywhere. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 8 years, 1 month ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Scopers help you manage ownership of a pointer, helping you easily manage the 5 // Scopers help you manage ownership of a pointer, helping you easily manage the
6 // a pointer within a scope, and automatically destroying the pointer at the 6 // a pointer within a scope, and automatically destroying the pointer at the
7 // end of a scope. There are two main classes you will use, which correspond 7 // end of a scope. There are two main classes you will use, which correspond
8 // to the operators new/delete and new[]/delete[]. 8 // to the operators new/delete and new[]/delete[].
9 // 9 //
10 // Example usage (scoped_ptr): 10 // Example usage (scoped_ptr):
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237 private: 237 private:
238 C* ptr_; 238 C* ptr_;
239 239
240 // Forbid comparison of scoped_ptr types. If C2 != C, it totally doesn't 240 // Forbid comparison of scoped_ptr types. If C2 != C, it totally doesn't
241 // make sense, and if C2 == C, it still doesn't make sense because you should 241 // make sense, and if C2 == C, it still doesn't make sense because you should
242 // never have the same object owned by two different scoped_ptrs. 242 // never have the same object owned by two different scoped_ptrs.
243 template <class C2> bool operator==(scoped_ptr<C2> const& p2) const; 243 template <class C2> bool operator==(scoped_ptr<C2> const& p2) const;
244 template <class C2> bool operator!=(scoped_ptr<C2> const& p2) const; 244 template <class C2> bool operator!=(scoped_ptr<C2> const& p2) const;
245 245
246 }; 246 };
247 /* 247
248 class SkRefCnt;
249 template <>
250 class scoped_ptr <SkRefCnt> {
251 private:
252 scoped_ptr() { }
253 ~scoped_ptr() { };
254 };
255 */
256 // Free functions 248 // Free functions
257 template <class C> 249 template <class C>
258 void swap(scoped_ptr<C>& p1, scoped_ptr<C>& p2) { 250 void swap(scoped_ptr<C>& p1, scoped_ptr<C>& p2) {
259 p1.swap(p2); 251 p1.swap(p2);
260 } 252 }
261 253
262 template <class C> 254 template <class C>
263 bool operator==(C* p1, const scoped_ptr<C>& p2) { 255 bool operator==(C* p1, const scoped_ptr<C>& p2) {
264 return p1 == p2.get(); 256 return p1 == p2.get();
265 } 257 }
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523 515
524 // A function to convert T* into scoped_ptr<T> 516 // A function to convert T* into scoped_ptr<T>
525 // Doing e.g. make_scoped_ptr(new FooBarBaz<type>(arg)) is a shorter notation 517 // Doing e.g. make_scoped_ptr(new FooBarBaz<type>(arg)) is a shorter notation
526 // for scoped_ptr<FooBarBaz<type> >(new FooBarBaz<type>(arg)) 518 // for scoped_ptr<FooBarBaz<type> >(new FooBarBaz<type>(arg))
527 template <typename T> 519 template <typename T>
528 scoped_ptr<T> make_scoped_ptr(T* ptr) { 520 scoped_ptr<T> make_scoped_ptr(T* ptr) {
529 return scoped_ptr<T>(ptr); 521 return scoped_ptr<T>(ptr);
530 } 522 }
531 523
532 #endif // BASE_MEMORY_SCOPED_PTR_H_ 524 #endif // BASE_MEMORY_SCOPED_PTR_H_
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