//
//      aegis - project change supervisor
//      Copyright (C) 2006, 2008, 2011, 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/error.h>
#include <common/trace.h>
#include <libaegis/os.h>
#include <libaegis/project.h>
#include <libaegis/sub.h>


pstate_ty *
project::pstate_get()
{
    trace(("project::pstate_get(this = %p)\n{\n", this));
    if (parent)
        this_is_a_bug();
    lock_sync();
    if (!pstate_data)
    {
        string_ty       *path;

        path = pstate_path_get();
        is_a_new_file = 0;

        //
        // can't become the project, because don't know who
        // the project is, yet.
        //
        // This also means we can use UNIX system security
        // to exclude unwelcome access.
        //
        get_the_owner();
        os_become_orig();
        os_chown_check(path, 0, uid, gid);
        pstate_data = pstate_read_file(path);
        os_become_undo();

        if (!pstate_data->next_test_number)
        {
            sub_context_ty  *scp;

            scp = sub_context_new();
            sub_var_set_string(scp, "File_Name", pstate_path_get());
            sub_var_set_charstar(scp, "FieLD_Name", "next_test_number");
            project_fatal
            (
                this,
                scp,
                i18n("$filename: corrupted \"$field_name\" field")
            );
            // NOTREACHED
            sub_context_delete(scp);
        }

        if (pstate_data->next_change_number)
            convert_to_new_format();
    }
    trace(("return %p;\n", pstate_data));
    trace(("}\n"));
    return pstate_data;
}


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