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Diffstat (limited to 'core/ref_ptr.h')
| -rw-r--r-- | core/ref_ptr.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/core/ref_ptr.h b/core/ref_ptr.h new file mode 100644 index 0000000000..007977d993 --- /dev/null +++ b/core/ref_ptr.h @@ -0,0 +1,62 @@ +/*************************************************************************/ +/* ref_ptr.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* 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 "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 |