Matching.h

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// MIT License
//
// Copyright (c) 2023 Ian Parberry
//
// 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 __Matching_h__
#define __Matching_h__
 
#include <string>
 
#include "Defines.h"
#include "Settings.h"
 
 
class CMatching: public CSettings{
  private:   
    size_t m_nMatching[MAXINPUTS + 1] = {0}; 
    size_t m_nMap[MAXINPUTS + 1] = {0}; 
    int m_nStack[MAXINPUTS + 1] = {0}; 
    
    void SwapPair(int[], size_t, size_t); 
 
  public:
    CMatching(); 
    CMatching(const CMatching&); 
 
    void Initialize(); 
    bool Next(); 
 
    void Swap(const size_t, const size_t); 
 
    void Normalize(); 
    
    size_t& operator[](const size_t); 
    const size_t operator[](const size_t) const; 
    operator std::string() const; 
}; //CMatching
 
#endif //__Matching_h__