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295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
/*
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* Copyright (C) 2011 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_WTF_PASSTRAITS_H_
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#define SKY_ENGINE_WTF_PASSTRAITS_H_
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#include "sky/engine/wtf/OwnPtr.h"
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#include "sky/engine/wtf/RefPtr.h"
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// The PassTraits template exists to help optimize (or make possible) use
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// of WTF data structures with WTF smart pointers that have a Pass
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// variant for transfer of ownership
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namespace WTF {
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template<typename T> struct PassTraits {
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typedef T Type;
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typedef T PassType;
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static Type& transfer(Type& value) { return value; }
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};
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template<typename T> struct PassTraits<OwnPtr<T> > {
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typedef OwnPtr<T> Type;
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typedef PassOwnPtr<T> PassType;
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static PassType transfer(Type& value) { return value.release(); }
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};
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template<typename T> struct PassTraits<RefPtr<T> > {
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typedef RefPtr<T> Type;
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typedef PassRefPtr<T> PassType;
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static PassType transfer(Type& value) { return value.release(); }
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};
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} // namespace WTF
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using WTF::PassTraits;
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#endif // SKY_ENGINE_WTF_PASSTRAITS_H_
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