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/*************************************************************************/
/* ref_ptr.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* 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. */
/*************************************************************************/
#ifndef REF_PTR_H
#define REF_PTR_H
/**
@author Juan Linietsky <reduzio@gmail.com>
* This class exists to workaround a limitation in C++ but keep the design OK.
* It's basically an opaque container of a Reference reference, so Variant can use it.
*/
#include "core/rid.h"
class RefPtr {
enum {
DATASIZE = sizeof(void *) //*4 -ref was shrunk
};
mutable char data[DATASIZE]; // too much probably, virtual class + pointer
public:
bool is_null() const;
void operator=(const RefPtr &p_other);
bool operator==(const RefPtr &p_other) const;
bool operator!=(const RefPtr &p_other) const;
RID get_rid() const;
void unref();
_FORCE_INLINE_ void *get_data() const { return data; }
RefPtr(const RefPtr &p_other);
RefPtr();
~RefPtr();
};
#endif // REF_PTR_H
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