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);
    }
 
#if defined(__clang__)
    // That's the point of unsafe cast
    __attribute__((no_sanitize("vptr")))
#endif
    void* Any::castUnsafe() const
    {
        return mContent ? static_cast<Any::Holder<void*> *>(this->mContent)->held : nullptr;
    }
 
    bool Any::compare(const Any& other) const
    {
        if (mContent == nullptr && other.mContent == nullptr)
            return true;
        return mContent != nullptr && other.mContent != nullptr && mContent->compare(other.mContent);
    }
 
} // namespace MyGUI