Buffer.hpp

/*
 * Buffer.hpp
 * 
 * Copyright 2018 Fernando Pujaico Rivera <fernando.pujaico.rivera@gmail.com>
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */
 
#ifndef __PDS_BUFFER_HPP__
#define __PDS_BUFFER_HPP__
 
#include <string>
 
namespace Pds{
 
template<typename Datum> 
class Buffer
{
 
private:
    unsigned int nel;
    
    Datum *data;
    
    unsigned int front;
 
 
public:
 
    Buffer(void);
 
    Buffer(unsigned int Nel);
 
    Buffer(const Pds::Buffer<Datum> &B);
    
    ~Buffer(); 
public:
    Datum &operator[](const unsigned int &id)
    {
        return this->data[(this->front+id)%this->nel];
    }
 
 
    bool Push(const Datum &Dat);
public:
    void Print(const std::string &str="") const;
 
    bool IsEmpty(void) const;
}; // Class Buffer
 
} // namespace Pds
 
 
#endif