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//
// aegis - project change supervisor
// Copyright (C) 1991-1993, 2001, 2002, 2004-2006, 2008, 2012 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 LIBAEGIS_COL_H
#define LIBAEGIS_COL_H

#include <libaegis/output.h>

struct string_ty; // forward

class col
{
public:
    typedef aegis_shared_ptr<col> pointer;

    virtual ~col();

protected:
    col();

public:
    static col::pointer open(struct string_ty *filename);

    static col::pointer open(output::pointer op);

    virtual output::pointer create(int left, int right, const char *title)
        = 0;

    virtual void title(const char *first, const char *second);

    virtual void title(const nstring &first, const nstring &second) = 0;

    virtual void eoln() = 0;

    virtual void need(int n) = 0;

    virtual void eject() = 0;

    virtual void flush() = 0;

    virtual void forget(const output::pointer &op) = 0;

private:
    col(const col &);

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

#endif // LIBAEGIS_COL_H
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