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/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2013, NVIDIA Corporation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's 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.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "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 the copyright holders 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.
//
//M*/
#ifndef __OPENCV_CORE_PTR_INL_HPP__
#define __OPENCV_CORE_PTR_INL_HPP__
#include <algorithm>
//! @cond IGNORED
namespace cv {
template<typename Y>
void DefaultDeleter<Y>::operator () (Y* p) const
{
delete p;
}
namespace detail
{
struct PtrOwner
{
PtrOwner() : refCount(1)
{}
void incRef()
{
CV_XADD(&refCount, 1);
}
void decRef()
{
if (CV_XADD(&refCount, -1) == 1) deleteSelf();
}
protected:
/* This doesn't really need to be virtual, since PtrOwner is never deleted
directly, but it doesn't hurt and it helps avoid warnings. */
virtual ~PtrOwner()
{}
virtual void deleteSelf() = 0;
private:
unsigned int refCount;
// noncopyable
PtrOwner(const PtrOwner&);
PtrOwner& operator = (const PtrOwner&);
};
template<typename Y, typename D>
struct PtrOwnerImpl : PtrOwner
{
PtrOwnerImpl(Y* p, D d) : owned(p), deleter(d)
{}
void deleteSelf()
{
deleter(owned);
delete this;
}
private:
Y* owned;
D deleter;
};
}
template<typename T>
Ptr<T>::Ptr() : owner(NULL), stored(NULL)
{}
template<typename T>
template<typename Y>
Ptr<T>::Ptr(Y* p)
: owner(p
? new detail::PtrOwnerImpl<Y, DefaultDeleter<Y> >(p, DefaultDeleter<Y>())
: NULL),
stored(p)
{}
template<typename T>
template<typename Y, typename D>
Ptr<T>::Ptr(Y* p, D d)
: owner(p
? new detail::PtrOwnerImpl<Y, D>(p, d)
: NULL),
stored(p)
{}
template<typename T>
Ptr<T>::Ptr(const Ptr& o) : owner(o.owner), stored(o.stored)
{
if (owner) owner->incRef();
}
template<typename T>
template<typename Y>
Ptr<T>::Ptr(const Ptr<Y>& o) : owner(o.owner), stored(o.stored)
{
if (owner) owner->incRef();
}
template<typename T>
template<typename Y>
Ptr<T>::Ptr(const Ptr<Y>& o, T* p) : owner(o.owner), stored(p)
{
if (owner) owner->incRef();
}
template<typename T>
Ptr<T>::~Ptr()
{
release();
}
template<typename T>
Ptr<T>& Ptr<T>::operator = (const Ptr<T>& o)
{
Ptr(o).swap(*this);
return *this;
}
template<typename T>
template<typename Y>
Ptr<T>& Ptr<T>::operator = (const Ptr<Y>& o)
{
Ptr(o).swap(*this);
return *this;
}
template<typename T>
void Ptr<T>::release()
{
if (owner) owner->decRef();
owner = NULL;
stored = NULL;
}
template<typename T>
template<typename Y>
void Ptr<T>::reset(Y* p)
{
Ptr(p).swap(*this);
}
template<typename T>
template<typename Y, typename D>
void Ptr<T>::reset(Y* p, D d)
{
Ptr(p, d).swap(*this);
}
template<typename T>
void Ptr<T>::swap(Ptr<T>& o)
{
std::swap(owner, o.owner);
std::swap(stored, o.stored);
}
template<typename T>
T* Ptr<T>::get() const
{
return stored;
}
template<typename T>
typename detail::RefOrVoid<T>::type Ptr<T>::operator * () const
{
return *stored;
}
template<typename T>
T* Ptr<T>::operator -> () const
{
return stored;
}
template<typename T>
Ptr<T>::operator T* () const
{
return stored;
}
template<typename T>
bool Ptr<T>::empty() const
{
return !stored;
}
template<typename T>
template<typename Y>
Ptr<Y> Ptr<T>::staticCast() const
{
return Ptr<Y>(*this, static_cast<Y*>(stored));
}
template<typename T>
template<typename Y>
Ptr<Y> Ptr<T>::constCast() const
{
return Ptr<Y>(*this, const_cast<Y*>(stored));
}
template<typename T>
template<typename Y>
Ptr<Y> Ptr<T>::dynamicCast() const
{
return Ptr<Y>(*this, dynamic_cast<Y*>(stored));
}
template<typename T>
void swap(Ptr<T>& ptr1, Ptr<T>& ptr2){
ptr1.swap(ptr2);
}
template<typename T>
bool operator == (const Ptr<T>& ptr1, const Ptr<T>& ptr2)
{
return ptr1.get() == ptr2.get();
}
template<typename T>
bool operator != (const Ptr<T>& ptr1, const Ptr<T>& ptr2)
{
return ptr1.get() != ptr2.get();
}
template<typename T>
Ptr<T> makePtr()
{
return Ptr<T>(new T());
}
template<typename T, typename A1>
Ptr<T> makePtr(const A1& a1)
{
return Ptr<T>(new T(a1));
}
template<typename T, typename A1, typename A2>
Ptr<T> makePtr(const A1& a1, const A2& a2)
{
return Ptr<T>(new T(a1, a2));
}
template<typename T, typename A1, typename A2, typename A3>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3)
{
return Ptr<T>(new T(a1, a2, a3));
}
template<typename T, typename A1, typename A2, typename A3, typename A4>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3, const A4& a4)
{
return Ptr<T>(new T(a1, a2, a3, a4));
}
template<typename T, typename A1, typename A2, typename A3, typename A4, typename A5>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5)
{
return Ptr<T>(new T(a1, a2, a3, a4, a5));
}
template<typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6)
{
return Ptr<T>(new T(a1, a2, a3, a4, a5, a6));
}
template<typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7)
{
return Ptr<T>(new T(a1, a2, a3, a4, a5, a6, a7));
}
template<typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7, const A8& a8)
{
return Ptr<T>(new T(a1, a2, a3, a4, a5, a6, a7, a8));
}
template<typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7, const A8& a8, const A9& a9)
{
return Ptr<T>(new T(a1, a2, a3, a4, a5, a6, a7, a8, a9));
}
template<typename T, typename A1, typename A2, typename A3, typename A4, typename A5, typename A6, typename A7, typename A8, typename A9, typename A10>
Ptr<T> makePtr(const A1& a1, const A2& a2, const A3& a3, const A4& a4, const A5& a5, const A6& a6, const A7& a7, const A8& a8, const A9& a9, const A10& a10)
{
return Ptr<T>(new T(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10));
}
} // namespace cv
//! @endcond
#endif // __OPENCV_CORE_PTR_INL_HPP__