77 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*******************************************************************************
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| Copyright (c) 2005-2009 David Williams and Matthew Williams
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| 
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| This software is provided 'as-is', without any express or implied
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| warranty. In no event will the authors be held liable for any damages
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| arising from the use of this software.
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| 
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| Permission is granted to anyone to use this software for any purpose,
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| including commercial applications, and to alter it and redistribute it
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| freely, subject to the following restrictions:
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| 
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| 1. The origin of this software must not be misrepresented; you must not
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| claim that you wrote the original software. If you use this software
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| in a product, an acknowledgment in the product documentation would be
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| appreciated but is not required.
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| 
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| 2. Altered source versions must be plainly marked as such, and must not be
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| misrepresented as being the original software.
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| 
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| 3. This notice may not be removed or altered from any source
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| distribution.
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| *******************************************************************************/
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| 
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| #ifndef __PolyVox_Logging_H__
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| #define __PolyVox_Logging_H__
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| 
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| #include <iostream>
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| #include <string>
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| 
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| // We expose the logger class to the user so that they can provide custom implementations
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| // to redirect PolyVox's log messages. However, it is not expected that user code will make 
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| // use of PolyVox's logging macros s these are part of the private implementation.
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| namespace PolyVox
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| {
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| 	class Logger
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| 	{
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| 	public:
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| 		Logger() {};
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| 		virtual ~Logger() {};
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| 
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| 		virtual void logTraceMessage(const std::string& message) = 0;
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| 		virtual void logDebugMessage(const std::string& message) = 0;
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| 		virtual void logInfoMessage(const std::string& message) = 0;
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| 		virtual void logWarningMessage(const std::string& message) = 0;
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| 		virtual void logErrorMessage(const std::string& message) = 0;
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| 		virtual void logFatalMessage(const std::string& message) = 0;
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| 	};
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| 
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| 	class DefaultLogger : public Logger
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| 	{
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| 	public:
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| 		DefaultLogger() : Logger() {}
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| 		virtual ~DefaultLogger() {}
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| 
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| 		// Appending the 'std::endl' forces the stream to be flushed.
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| 		void logTraceMessage(const std::string& /*message*/) {  }
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| 		void logDebugMessage(const std::string& /*message*/) {  }
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| 		void logInfoMessage(const std::string& message) { std::cout << message << std::endl; }
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| 		void logWarningMessage(const std::string& message) { std::cerr << message << std::endl; }
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| 		void logErrorMessage(const std::string& message) { std::cerr << message << std::endl; }
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| 		void logFatalMessage(const std::string& message) { std::cerr << message << std::endl; }
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| 	};
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| 
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| 	inline Logger*& getLoggerInstance()
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| 	{
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| 		static Logger* s_pLogger = new DefaultLogger;
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| 		return s_pLogger;
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| 	}
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| 
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| 	inline void setLoggerInstance(Logger* pLogger)
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| 	{
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| 		getLoggerInstance() = pLogger;
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| 	}
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| }
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| 
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| #endif //__PolyVox_Logging_H__
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