kis_pinned_shared_ptr.h

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/*
 *  SPDX-FileCopyrightText: 2016 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef KIS_PINNED_SHARED_PTR_H
#define KIS_PINNED_SHARED_PTR_H
 
#include "kis_shared_ptr.h"
 
template <typename T>
class KisPinnedSharedPtr : public KisSharedPtr<T>
{
    typedef KisSharedPtr<T> BaseClass;
    class NotConvertibleToT {~NotConvertibleToT() = delete;};
    typedef NotConvertibleToT* RestrictedBool;
public:
    KisPinnedSharedPtr()
    {
    }
 
    inline KisPinnedSharedPtr(T *other)
        : BaseClass(other)
    {
    }
 
    template <typename X>
    inline KisPinnedSharedPtr(const KisWeakSharedPtr<X>& other)
        : BaseClass(other)
    {
    }
 
 
    template <typename X>
    inline KisPinnedSharedPtr(const KisSharedPtr<X> &other)
        : BaseClass(other)
    {
    }
 
 
    inline operator RestrictedBool() const
    {
        return this->isNull() ? 0 : reinterpret_cast<NotConvertibleToT*>(1);
    }
 
    bool operator!() const
    {
        return this->isNull();
    }
private:
    explicit operator const T*() const;
};
 
#include <kis_debug.h>
 
template <typename T>
inline QDebug operator<<(QDebug dbg, const KisPinnedSharedPtr<T> &ptr)
{
    dbg.nospace() << ptr.data();
    return dbg;
}
 
#endif // KIS_PINNED_SHARED_PTR_H