aefind/tree/match.h

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//
//      aegis - project change supervisor
//      Copyright (C) 1997, 2002, 2005-2008 Peter Miller
//
//      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 3 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, see
//      <http://www.gnu.org/licenses/>.
//

#ifndef AEFIND_TREE_MATCH_H
#define AEFIND_TREE_MATCH_H

#include <aefind/tree/diadic.h>

class tree_match:
    public tree_diadic
{
public:
    virtual ~tree_match();

private:
    tree_match(const tree::pointer &lhs, const tree::pointer &rhs);

public:
    static pointer create(const tree::pointer &lhs, const tree::pointer &rhs);

protected:
    // See base class for documentation.
    const char *name() const;

    // See base class for documentation.
    rpt_value::pointer evaluate(string_ty *, string_ty *, string_ty *,
        struct stat *) const;

    // See base class for documentation.
    tree::pointer optimize() const;

private:
    tree_match();

    tree_match(const tree_match &);

    tree_match &operator=(const tree_match &);
};


#endif // AEFIND_TREE_MATCH_H