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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "precompiled.h"
#include "../../Include/Rocket/Core/ElementReference.h"
#include "../../Include/Rocket/Core/Element.h"
namespace Rocket {
namespace Core {
ElementReference::ElementReference(Element* _element)
{
element = NULL;
*this = _element;
}
ElementReference::ElementReference(const ElementReference& copy)
{
element = NULL;
*this = copy;
}
ElementReference::~ElementReference()
{
*this = NULL;
}
// Returns true if this reference is bound to an element.
ElementReference::operator bool() const
{
return (element != NULL);
}
// Assigns a new element for this reference to point to.
ElementReference& ElementReference::operator=(Element* _element)
{
if (_element != NULL)
_element->AddReference();
if (element != NULL)
element->RemoveReference();
element = _element;
return *this;
}
// Assigns a new element for this reference, from another reference.
ElementReference& ElementReference::operator=(const ElementReference& element_reference)
{
*this = (element_reference.element);
return *this;
}
// Returns a reference to the underlying element.
Element* ElementReference::operator*()
{
return element;
}
// Returns a reference to the underlying element.
Element* ElementReference::operator->()
{
return element;
}
// Equality operator for the reference. Used for STL containers.
bool ElementReference::operator==(const ElementReference& rhs) const
{
return element == rhs.element;
}
// Equality operator for the reference.
bool ElementReference::operator==(const Element* rhs) const
{
return element == rhs;
}
// Less-than operator for the reference. Used for STL containers.
bool ElementReference::operator<(const ElementReference& rhs) const
{
return element < rhs.element;
}
// Inequality operator for the reference.
bool ElementReference::operator!=(const ElementReference& rhs) const
{
return element != rhs.element;
}
// Inequality operator for the reference.
bool ElementReference::operator!=(const Element* rhs) const
{
return element != rhs;
}
}
}
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