AutoComparator.h

/*
 *  AutoComparator class interface
 *
 *  This file is part of OTAWA
 *  Copyright (c) 2007, IRIT UPS.
 *
 *  OTAWA 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.
 *
 *  OTAWA 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 OTAWA; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef ELM_UTIL_AUTO_COMPARATOR_H
#define ELM_UTIL_AUTO_COMPARATOR_H

#include <elm/assert.h>

namespace elm {

// AutoComparator template
template <class T>
class AutoComparator {
public:
    inline int _compare(const T& v) const { return ((T*)this)->compare(v); }
    inline bool operator==(const T& v) const { return _compare(v) == 0; }
    inline bool operator!=(const T& v) const { return _compare(v) != 0; }
    inline bool operator<(const T& v) const { return _compare(v) < 0; }
    inline bool operator<=(const T& v) const { return _compare(v) <= 0; }
    inline bool operator>(const T& v) const { return _compare(v) > 0; }
    inline bool operator>=(const T& v) const { return _compare(v) >= 0; }
};

// AutoComparator template
template <class T>
class AutoPartialComparator {
public:
    inline int _compare(const T& v) const { return ((T*)this)->compare(v); }
    inline int _equals(const T& v) const { return ((T*)this)->equals(v); }
    inline bool operator==(const T& v) const { return _equals(v); }
    inline bool operator!=(const T& v) const { return !_equals(v); }
    inline bool operator<(const T& v) const { return _compare(v) < 0; }
    inline bool operator<=(const T& v) const { return _compare(v) <= 0; }
    inline bool operator>(const T& v) const { return _compare(v) > 0; }
    inline bool operator>=(const T& v) const { return _compare(v) >= 0; }
};
} // elm

#endif // ELM_UTIL_AUTO_COMPARATOR_H