/*************************************************************************/ /* 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; 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