text: /***********************************************************************************************************************
  *                                                                                                                      *
  * ANTIKERNEL v0.1                                                                                                      *
  *                                                                                                                      *
  * Copyright (c) 2012-2020 Andrew D. Zonenberg                                                                          *
  * All rights reserved.                                                                                                 *
  *                                                                                                                      *
  * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the     *
  * following conditions are met:                                                                                        *
  *                                                                                                                      *
  *    * Redistributions of source code must retain the above copyright notice, this list of conditions, and the         *
  *      following disclaimer.                                                                                           *
  *                                                                                                                      *
  *    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the       *
  *      following disclaimer in the documentation and/or other materials provided with the distribution.                *
  *                                                                                                                      *
  *    * Neither the name of the author nor the names of any contributors may be used to endorse or promote products     *
  *      derived from this software without specific prior written permission.                                           *
  *                                                                                                                      *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   *
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL *
  * THE AUTHORS BE HELD LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES        *
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR       *
  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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  * POSSIBILITY OF SUCH DAMAGE.                                                                                          *
  *                                                                                                                      *
  ***********************************************************************************************************************/
  
  /**
  	@file
  	@author Andrew D. Zonenberg
  	@brief Declaration of Statistic
   */
  
  #ifndef Statistic_h
  #define Statistic_h
  
  class Statistic
  {
  public:
  	Statistic();
  	virtual ~Statistic();
  
  	///@brief Removes any integrated statistic data
  	virtual void Clear() =0;
  
  	virtual std::string GetStatisticDisplayName() =0;
  	virtual bool Calculate(OscilloscopeChannel* channel, double& value) =0;
  
  	virtual Unit GetUnits(OscilloscopeChannel* channel);
  
  	//Enumeration / factory
  public:
  	typedef Statistic* (*CreateProcType)();
  	static void DoAddStatisticClass(std::string name, CreateProcType proc);
  
  	static void EnumStatistics(std::vector<std::string>& names);
  	static Statistic* CreateStatistic(std::string measurement);
  
  protected:
  	//Class enumeration
  	typedef std::map< std::string, CreateProcType > CreateMapType;
  	static CreateMapType m_createprocs;
  };
  
  #define STATISTIC_INITPROC(T) \
  	static Statistic* CreateInstance() \
  	{ return new T; } \
  	virtual std::string GetStatisticDisplayName() \
  	{ return GetStatisticName(); }
  
  #define AddStatisticClass(T) Statistic::DoAddStatisticClass(T::GetStatisticName(), T::CreateInstance)
  
  #endif
  