//
// aegis - project change supervisor
// Copyright (C) 1999, 2001, 2003-2006, 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/>.
//

#include <common/ac/assert.h>

#include <common/mem.h>
#include <libaegis/ael/formeditnum.h>
#include <libaegis/output.h>


void
list_format_edit_number(output::pointer edit_col, fstate_src_ty *src_data)
{
    if (src_data->edit_origin && src_data->edit)
    {
        //
        // We have both the original version copied, and the
        // current head revision.  Print them both, with a
        // notation implying "from the old one to the new one"
        // if they differ.  Only print one if thay are the same.
        //
        assert(src_data->edit->revision);
        assert(src_data->edit_origin->revision);
        edit_col->fprintf("%4s", src_data->edit_origin->revision->str_text);
        if
        (
            str_equal
            (
                src_data->edit->revision,
                src_data->edit_origin->revision
            )
        )
            return;
        edit_col->fprintf(" -> %s", src_data->edit->revision->str_text);
        return;
    }

    if (src_data->edit_origin)
    {
        //
        // The "original version" copied.
        //
        assert(src_data->edit_origin->revision);
        edit_col->fprintf("%4s", src_data->edit_origin->revision->str_text);
    }
    if (src_data->edit)
    {
        //
        // For active branches, the current
        // head revision.  For completed changes
        // and branches, the revision at aeipass.
        //
        assert(src_data->edit->revision);
        edit_col->fprintf("%4s", src_data->edit->revision->str_text);
    }
}


// vim: set ts=8 sw=4 et :