//
// aegis - project change supervisor
// Copyright (C) 2001, 2002, 2005, 2006, 2008, 2014 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 AEIMPORT_FORMAT_SCCS_H
#define AEIMPORT_FORMAT_SCCS_H

#include <aeimport/format.h>

class format_sccs:
    public format
{
public:
    virtual ~format_sccs();

    static pointer create(void);

protected:
    // See base class for documentation.
    bool valid(void) const;

    // See base class for documentation.
    nstring history_get(void);

    // See base class for documentation.
    nstring history_put(void);

    // See base class for documentation.
    nstring history_query(void);

    // See base class for documentation.
    nstring diff(void);

    // See base class for documentation.
    nstring merge(void);

    // See base class for documentation.
    void unlock(const nstring &filename);

    // See base class for documentation.
    nstring sanitize(const nstring &filename, bool do_last);

    // See base class for documentation.
    bool is_a_candidate(const nstring &filename);

    // See base class for documentation.
    format_version *read_versions(const nstring &physical,
        const nstring &logical);

private:
    /**
      * The default constructor.
      * It is private on purpose, use the #create vlass method instead.
      */
    format_sccs();
};

#endif // AEIMPORT_FORMAT_SCCS_H
// vim: set ts=8 sw=4 et :