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a7d037d384f16bcb13dc99c64c9f06bb6c1dd960
weechat/src/plugins/irc/irc-mode.c
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Sebastien Helleu 2f7a5a4147 Rename function string_explode to string_split
2009-06-28 19:49:32 +02:00

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/*
* Copyright (c) 2003-2009 by FlashCode <flashcode@flashtux.org>
* See README for License detail, AUTHORS for developers list.
*
* 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/>.
*/
/* irc-mode.c: IRC channel/user modes management */
#include <stdlib.h>
#include <string.h>
#include "../weechat-plugin.h"
#include "irc.h"
#include "irc-mode.h"
#include "irc-server.h"
#include "irc-channel.h"
#include "irc-nick.h"
/*
* irc_mode_channel_set_nick: set a mode for a nick on a channel
*/
void
irc_mode_channel_set_nick (struct t_irc_channel *channel, const char *nick,
char set_flag, int flag)
{
struct t_irc_nick *ptr_nick;
if (nick)
{
ptr_nick = irc_nick_search (channel, nick);
if (ptr_nick)
irc_nick_set (channel, ptr_nick, (set_flag == '+'), flag);
}
}
/*
* irc_mode_channel_set: set channel modes
* return: 1 if channel modes are updated
* 0 if channel modes are NOT updated
* (no update or on nicks only)
*/
int
irc_mode_channel_set (struct t_irc_server *server,
struct t_irc_channel *channel, const char *modes)
{
char *pos_args, *str_modes, set_flag, **argv, *pos, *ptr_arg;
int modes_count, channel_modes_updated, argc, current_arg;
if (!server || !channel || !modes)
return 0;
channel_modes_updated = 0;
argc = 0;
argv = NULL;
pos_args = strchr (modes, ' ');
if (pos_args)
{
str_modes = weechat_strndup (modes, pos_args - modes);
if (!str_modes)
return 0;
pos_args++;
while (pos_args[0] == ' ')
pos_args++;
argv = weechat_string_split (pos_args, " ", 0, 0, &argc);
}
else
{
str_modes = strdup (modes);
if (!str_modes)
return 0;
}
/* count number of mode chars */
modes_count = 0;
pos = str_modes;
while (pos && pos[0])
{
if ((pos[0] != ':') && (pos[0] != ' ') && (pos[0] != '+')
&& (pos[0] != '-'))
{
modes_count++;
}
pos++;
}
current_arg = argc - modes_count;
if (str_modes && str_modes[0])
{
set_flag = '+';
pos = str_modes;
while (pos && pos[0])
{
switch (pos[0])
{
case ':':
case ' ':
break;
case '+':
set_flag = '+';
break;
case '-':
set_flag = '-';
break;
case 'a': /* channel admin (unrealircd specific flag) */
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (irc_mode_nick_prefix_allowed (server, '~'))
irc_mode_channel_set_nick (channel, ptr_arg,
set_flag, IRC_NICK_CHANADMIN);
current_arg++;
break;
case 'b': /* ban (ignored) */
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
current_arg++;
break;
case 'h': /* half-op */
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (irc_mode_nick_prefix_allowed (server, '%'))
irc_mode_channel_set_nick (channel, ptr_arg,
set_flag, IRC_NICK_HALFOP);
current_arg++;
break;
case 'k': /* channel key */
if (channel->key)
{
free (channel->key);
channel->key = NULL;
}
if (set_flag == '+')
{
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (ptr_arg)
channel->key = strdup (ptr_arg);
}
channel_modes_updated = 1;
current_arg++;
break;
case 'l': /* channel limit */
if (set_flag == '-')
channel->limit = 0;
if (set_flag == '+')
{
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (ptr_arg)
channel->limit = atoi (ptr_arg);
}
channel_modes_updated = 1;
current_arg++;
break;
case 'o': /* op */
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (irc_mode_nick_prefix_allowed (server, '@'))
irc_mode_channel_set_nick (channel, ptr_arg,
set_flag, IRC_NICK_OP);
current_arg++;
break;
case 'q': /* channel owner (unrealircd specific flag) */
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (irc_mode_nick_prefix_allowed (server, '~'))
irc_mode_channel_set_nick (channel, ptr_arg,
set_flag, IRC_NICK_CHANOWNER);
current_arg++;
break;
case 'u': /* channel user */
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (irc_mode_nick_prefix_allowed (server, '-'))
irc_mode_channel_set_nick (channel, ptr_arg,
set_flag, IRC_NICK_CHANUSER);
current_arg++;
break;
case 'v': /* voice */
ptr_arg = ((current_arg >= 0) && (current_arg < argc)) ?
argv[current_arg] : NULL;
if (irc_mode_nick_prefix_allowed (server, '+'))
irc_mode_channel_set_nick (channel, ptr_arg,
set_flag, IRC_NICK_VOICE);
current_arg++;
break;
default:
current_arg++;
channel_modes_updated = 1;
break;
}
pos++;
}
}
if (str_modes)
free (str_modes);
if (argv)
weechat_string_free_split (argv);
weechat_bar_item_update ("buffer_name");
return channel_modes_updated;
}
/*
* irc_mode_user_add: add a user mode
*/
void
irc_mode_user_add (struct t_irc_server *server, char mode)
{
char str_mode[2];
str_mode[0] = mode;
str_mode[1] = '\0';
if (server->nick_modes)
{
if (!strchr (server->nick_modes, mode))
{
server->nick_modes = realloc (server->nick_modes,
strlen (server->nick_modes) + 1 + 1);
strcat (server->nick_modes, str_mode);
weechat_bar_item_update ("input_prompt");
}
}
else
{
server->nick_modes = malloc (2);
strcpy (server->nick_modes, str_mode);
weechat_bar_item_update ("input_prompt");
}
}
/*
* irc_mode_user_remove: remove a user mode
*/
void
irc_mode_user_remove (struct t_irc_server *server, char mode)
{
char *pos;
int new_size;
if (server->nick_modes)
{
pos = strchr (server->nick_modes, mode);
if (pos)
{
new_size = strlen (server->nick_modes);
memmove (pos, pos + 1, strlen (pos + 1) + 1);
server->nick_modes = realloc (server->nick_modes, new_size);
weechat_bar_item_update ("input_prompt");
}
}
}
/*
* irc_mode_user_set: set user modes
*/
void
irc_mode_user_set (struct t_irc_server *server, const char *modes)
{
char set_flag;
set_flag = '+';
while (modes && modes[0])
{
switch (modes[0])
{
case ':':
case ' ':
break;
case '+':
set_flag = '+';
break;
case '-':
set_flag = '-';
break;
default:
if (set_flag == '+')
irc_mode_user_add (server, modes[0]);
else
irc_mode_user_remove (server, modes[0]);
break;
}
modes++;
}
}
/*
* irc_mode_nick_prefix_allowed: return <> 0 if nick prefix is allowed by server
* for example :
* IRC: 005 (...) PREFIX=(ov)@+
* => allowed prefixes: @+
*/
int
irc_mode_nick_prefix_allowed (struct t_irc_server *server, char prefix)
{
char str[2];
/* if server did not send any prefix info, then use default prefixes */
if (!server->prefix)
{
str[0] = prefix;
str[1] = '\0';
return (strpbrk (str, IRC_NICK_DEFAULT_PREFIXES_LIST)) ? 1 : 0;
}
return (strchr (server->prefix, prefix) != NULL);
}
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