/*
 * Copyright (C) 2003-2013 Sebastien Helleu <flashcode@flashtux.org>
 * Copyright (C) 2005-2006 Emmanuel Bouthenot <kolter@openics.org>
 *
 * This file is part of WeeChat, the extensible chat client.
 *
 * WeeChat 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.
 *
 * WeeChat 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 WeeChat.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __WEECHAT_COMMAND_H
#define __WEECHAT_COMMAND_H 1

#define COMMAND_CALLBACK(__command)                                     \
    int                                                                 \
    command_##__command (void *data, struct t_gui_buffer *buffer,       \
                         int argc, char **argv, char **argv_eol)

/*
 * This macro is used to create an "empty" command in WeeChat core:
 * command does nothing, but plugins or scripts can catch it when it
 * is used by user, with weechat_hook_command_run("/xxx", ...)
 * where "xxx" is command name.
 */
#define COMMAND_EMPTY(__command)                                        \
    int                                                                 \
    command_##__command (void *data, struct t_gui_buffer *buffer,       \
                         int argc, char **argv, char **argv_eol)        \
    {                                                                   \
        (void) data;                                                    \
        (void) buffer;                                                  \
        (void) argc;                                                    \
        (void) argv;                                                    \
        (void) argv_eol;                                                \
        return WEECHAT_RC_OK;                                           \
    }

#define COMMAND_MIN_ARGS(__min, __command)                              \
    if (argc < __min)                                                   \
    {                                                                   \
        gui_chat_printf_date_tags (                                     \
            NULL, 0,                                                    \
            GUI_FILTER_TAG_NO_FILTER,                                   \
            _("%sError: missing arguments for \"%s\" command"),         \
            gui_chat_prefix[GUI_CHAT_PREFIX_ERROR],                     \
            __command);                                                 \
        return WEECHAT_RC_ERROR;                                        \
    }

struct t_gui_buffer;

extern int command_reload (void *data, struct t_gui_buffer *buffer,
                           int argc, char **argv, char **argv_eol);
extern void command_init ();
extern void command_startup (int plugins_loaded);
extern void command_version_display (struct t_gui_buffer *buffer,
                                     int send_to_buffer_as_input,
                                     int translated_string,
                                     int display_git_version);

#endif /* __WEECHAT_COMMAND_H */
