//
// aegis - project change supervisor
// Copyright (C) 2001, 2002, 2004-2006, 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_VERSION_H
#define AEIMPORT_FORMAT_VERSION_H

#include <common/ac/time.h>
#include <common/ac/shared_ptr.h>

#include <common/nstring/list.h>

/**
  * The format_version class is ued to represent a single version of a
  * single file, from which the lit of change sets (across all file) is
  * derived.
  */
class format_version
{
public:
    typedef aegis_shared_ptr<format_version> pointer;

    /**
      * The destructor.
      * Do not derived from this class, the destructor isn't  virtual.
      */
    ~format_version();

    /**
      * The default constructor.
      */
    format_version();

    static pointer create();

    /**
      * The valid method is used to check that this data structure is
      * in a valid state.  Intended for debugging.
      */
    bool valid(void) const;

    /**
      * assert(valid());
      */
    void validate(void) const;

//private:
    nstring filename_physical;
    nstring filename_logical;
    nstring_list edit;
    time_t when;
    nstring_list who;
    nstring_list description;
    nstring_list tag;
    format_version *before;
    format_version *after;
    struct format_version_list *after_branch;
    bool dead;

private:
    /**
      * The copy constructor.  Do not use.
      */
    format_version(const format_version &);

    /**
      * The assignment operator.  Do not use.
      */
    format_version &operator=(const format_version &);
};

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