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/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
* Copyright (C) 2009 Torch Mobile, Inc.
* Copyright (C) 2010 Company 100 Inc.
* Copyright (C) 2013 Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WTF_OwnPtrCommon_h
#define WTF_OwnPtrCommon_h
#include "wtf/Assertions.h"
#include "wtf/TypeTraits.h"
namespace WTF {
class RefCountedBase;
class ThreadSafeRefCountedBase;
template<typename T>
struct IsRefCounted {
STATIC_ONLY(IsRefCounted);
static const bool value = IsSubclass<T, RefCountedBase>::value
|| IsSubclass<T, ThreadSafeRefCountedBase>::value;
};
template <typename T>
struct OwnedPtrDeleter {
STATIC_ONLY(OwnedPtrDeleter);
static void deletePtr(T* ptr)
{
static_assert(!IsRefCounted<T>::value, "use RefPtr for RefCounted objects");
static_assert(sizeof(T) > 0, "type must be complete");
delete ptr;
}
};
template <typename T>
struct OwnedPtrDeleter<T[]> {
STATIC_ONLY(OwnedPtrDeleter);
static void deletePtr(T* ptr)
{
static_assert(!IsRefCounted<T>::value, "use RefPtr for RefCounted objects");
static_assert(sizeof(T) > 0, "type must be complete");
delete[] ptr;
}
};
template <class T, int n>
struct OwnedPtrDeleter<T[n]> {
STATIC_ONLY(OwnedPtrDeleter);
static_assert(sizeof(T) < 0, "do not use array with size as type");
};
} // namespace WTF
#endif // WTF_OwnPtrCommon_h
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