MyGUI_Any.cpp

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */

#include "MyGUI_Precompiled.h"
#include "MyGUI_Any.h"

namespace MyGUI
{

    Any::AnyEmpty Any::Null;

    Any::Any() :
        mContent(nullptr)
    {
    }

    Any::Any(const Any::AnyEmpty& value) :
        mContent(nullptr)
    {
    }

    Any::Any(const Any& other) :
        mContent(other.mContent ? other.mContent->clone() : nullptr)
    {
    }

    Any::~Any()
    {
        delete mContent;
    }

    Any& Any::swap(Any& rhs)
    {
        std::swap(mContent, rhs.mContent);
        return *this;
    }

    Any& Any::operator = (const Any::AnyEmpty& rhs)
    {
        delete mContent;
        mContent = nullptr;
        return *this;
    }

    Any& Any::operator = (const Any& rhs)
    {
        Any(rhs).swap(*this);
        return *this;
    }

    bool Any::empty() const
    {
        return !mContent;
    }

    const std::type_info& Any::getType() const
    {
        return mContent ? mContent->getType() : typeid(void);
    }

    void* Any::castUnsafe() const
    {
        return mContent ? static_cast<Any::Holder<void*> *>(this->mContent)->held : nullptr;
    }

} // namespace MyGUI