SFML/include/SFML/System/ResourcePtr.inl
2009-08-17 10:55:11 +00:00

126 lines
3.2 KiB
C++

////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
template <typename T>
ResourcePtr<T>::ResourcePtr() :
myResource(NULL)
{
}
////////////////////////////////////////////////////////////
template <typename T>
ResourcePtr<T>::ResourcePtr(const T* resource) :
myResource(resource)
{
if (myResource)
myResource->Connect(*this);
}
////////////////////////////////////////////////////////////
template <typename T>
ResourcePtr<T>::ResourcePtr(const ResourcePtr<T>& copy) :
myResource(copy.myResource)
{
if (myResource)
myResource->Connect(*this);
}
////////////////////////////////////////////////////////////
template <typename T>
ResourcePtr<T>::~ResourcePtr()
{
if (myResource)
myResource->Disconnect(*this);
}
////////////////////////////////////////////////////////////
template <typename T>
ResourcePtr<T>& ResourcePtr<T>::operator =(const ResourcePtr<T>& other)
{
if (myResource)
myResource->Disconnect(*this);
myResource = other.myResource;
if (myResource)
myResource->Connect(*this);
return *this;
}
////////////////////////////////////////////////////////////
template <typename T>
ResourcePtr<T>& ResourcePtr<T>::operator =(const T* resource)
{
if (myResource)
myResource->Disconnect(*this);
myResource = resource;
if (myResource)
myResource->Connect(*this);
return *this;
}
////////////////////////////////////////////////////////////
template <typename T>
ResourcePtr<T>::operator const T*() const
{
return myResource;
}
////////////////////////////////////////////////////////////
template <typename T>
const T& ResourcePtr<T>::operator *() const
{
return *myResource;
}
////////////////////////////////////////////////////////////
template <typename T>
const T* ResourcePtr<T>::operator ->() const
{
return myResource;
}
////////////////////////////////////////////////////////////
template <typename T>
void ResourcePtr<T>::OnResourceDestroyed()
{
myResource = NULL;
}