53 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
		
		
			
		
	
	
			53 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
|  | // Copyright (c) 2016-2018 Easy2D - Nomango
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|  | // 
 | |||
|  | // Permission is hereby granted, free of charge, to any person obtaining a copy
 | |||
|  | // of this software and associated documentation files (the "Software"), to deal
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|  | // in the Software without restriction, including without limitation the rights
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|  | // 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:
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|  | // 
 | |||
|  | // The above copyright notice and this permission notice shall be included in
 | |||
|  | // all copies or substantial portions of the Software.
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|  | // 
 | |||
|  | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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|  | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | |||
|  | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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|  | // THE SOFTWARE.
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|  | 
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|  | #pragma once
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|  | #include "../macros.h"
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|  | #include "../common/noncopyable.hpp"
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|  | 
 | |||
|  | namespace easy2d | |||
|  | { | |||
|  | 	class E2D_API RefCounter | |||
|  | 		: protected Noncopyable | |||
|  | 	{ | |||
|  | 	public: | |||
|  | 		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><C3BC><EFBFBD>
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|  | 		inline void Retain() { ++ref_count_; } | |||
|  | 
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|  | 		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD><C3BC><EFBFBD>
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|  | 		inline void Release() | |||
|  | 		{ | |||
|  | 			if (--ref_count_ <= 0) | |||
|  | 				delete this; | |||
|  | 		} | |||
|  | 
 | |||
|  | 		// <20><>ȡ<EFBFBD><C8A1><EFBFBD>ü<EFBFBD><C3BC><EFBFBD>
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|  | 		inline long GetRefCount() const { return ref_count_; } | |||
|  | 
 | |||
|  | 	protected: | |||
|  | 		RefCounter() : ref_count_(0) {} | |||
|  | 
 | |||
|  | 		virtual ~RefCounter() {} | |||
|  | 
 | |||
|  | 	protected: | |||
|  | 		long ref_count_; | |||
|  | 	}; | |||
|  | } |