aefind/tree/relative.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_RELATIVE_H
#define AEFIND_TREE_RELATIVE_H

#include <aefind/tree/diadic.h>

class tree_list; // forward

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

private:
    tree_ge(const pointer &left, const pointer &right);

public:
    static pointer create(const pointer &left, const pointer &right);

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_ge();

    tree_ge(const tree_ge &);

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


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

private:
    tree_gt(const pointer &left, const pointer &right);

public:
    static pointer create(const pointer &left, const pointer &right);

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_gt();

    tree_gt(const tree_gt &);

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


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

private:
    tree_le(const pointer &left, const pointer &right);

public:
    static pointer create(const pointer &left, const pointer &right);

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_le();

    tree_le(const tree_le &);

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


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

private:
    tree_lt(const pointer &left, const pointer &right);

public:
    static pointer create(const pointer &left, const pointer &right);

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_lt();

    tree_lt(const tree_lt &);

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


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

private:
    tree_eq(const pointer &left, const pointer &right);

public:
    static pointer create(const pointer &left, const pointer &right);

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_eq();

    tree_eq(const tree_eq &);

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


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

private:
    tree_ne(const pointer &left, const pointer &right);

public:
    static pointer create(const pointer &left, const pointer &right);

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_ne();

    tree_ne(const tree_ne &);

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

#endif // AEFIND_TREE_RELATIVE_H