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/*
Author: Juan Rada-Vilela, Ph.D.
Copyright (C) 2010-2014 FuzzyLite Limited
All rights reserved
This file is part of fuzzylite.
fuzzylite is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
fuzzylite 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 Lesser General Public License
for more details.
You should have received a copy of the GNU Lesser General Public License
along with fuzzylite. If not, see <http://www.gnu.org/licenses/>.
fuzzylite™ is a trademark of FuzzyLite Limited.
*/
#ifndef FL_EXPRESSION_H
#define FL_EXPRESSION_H
#include "fl/fuzzylite.h"
#include <string>
#include <vector>
namespace fl {
class Variable;
class Hedge;
class Term;
class FL_API Expression {
public:
Expression();
virtual ~Expression();
virtual std::string toString() const = 0;
private:
FL_DISABLE_COPY(Expression)
};
class FL_API Proposition : public Expression {
public:
Variable* variable;
std::vector<Hedge*> hedges;
Term* term;
Proposition();
virtual ~Proposition() FL_IOVERRIDE;
virtual std::string toString() const FL_IOVERRIDE;
private:
FL_DISABLE_COPY(Proposition)
};
class FL_API Operator : public Expression {
public:
std::string name;
Expression* left;
Expression* right;
Operator();
virtual ~Operator() FL_IOVERRIDE;
virtual std::string toString() const FL_IOVERRIDE;
private:
FL_DISABLE_COPY(Operator)
};
}
#endif /* FL_FUZZYEXPRESSION_H */
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