FilterPool.h

/**************************************************************************
 * Copyright (c) 2007 Clifford Conley Owens III                           *
 *                                                                        *
 * This file is part of Biorithm.                                         *
 *                                                                        *
 * Biorithm 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 3 of the License, or      *
 * (at your option) any later version.                                    *
 *                                                                        *
 * Biorithm 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 Biorithm.  If not, see <http://www.gnu.org/licenses/>.      *
 *                                                                        *
 **************************************************************************/

#ifndef FILTERPOOL_H
#define FILTERPOOL_H

// ---------------------------- Internal Headers ---------------------------- //

#include "cnull.h"
#include "Filter.h"

// ---------------------------- External Headers ---------------------------- //
#include <list>

class FilterPool: public Monitorable
{
    protected:
        // The current position in the file
        unsigned int current;

        // The number of lines in a file
        unsigned int numlines;

        // The list of filters
        list <Filter*> filters;

        // Helper methods
        virtual void parseCols(ItemSet& is, const char* line);

    public:
        FilterPool();
        FilterPool(const FilterPool& src);
        virtual ~FilterPool();
        virtual FilterPool& operator =(const FilterPool& rhs);
        virtual void filter(TruthMatrix& tm, bool forward = true);
        virtual void insert(Filter* filter);
        virtual void destroy();
        virtual bool empty() const;
};

#endif