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/********************************************************************\
* BitlBee -- An IRC to other IM-networks gateway *
* *
* Copyright 2002-2010 Wilmer van der Gaast and others *
\********************************************************************/
/* The IRC-based UI - Representing (virtual) channels. */
/*
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 2 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 with
the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
if not, write to the Free Software Foundation, Inc., 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
*/
#include "bitlbee.h"
static gint irc_channel_user_cmp( gconstpointer a_, gconstpointer b_ );
static const struct irc_channel_funcs control_channel_funcs;
irc_channel_t *irc_channel_new( irc_t *irc, const char *name )
{
irc_channel_t *ic;
if( strchr( CTYPES, name[0] ) == NULL || !nick_ok( name + 1 ) )
return NULL;
ic = g_new0( irc_channel_t, 1 );
ic->f = &control_channel_funcs;
ic->irc = irc;
ic->name = g_strdup( name );
strcpy( ic->mode, CMODE );
irc_channel_add_user( ic, irc->root );
irc->channels = g_slist_prepend( irc->channels, ic );
return ic;
}
irc_channel_t *irc_channel_by_name( irc_t *irc, const char *name )
{
GSList *l;
for( l = irc->channels; l; l = l->next )
{
irc_channel_t *ic = l->data;
if( name[0] == ic->name[0] && nick_cmp( name + 1, ic->name + 1 ) == 0 )
return ic;
}
return NULL;
}
int irc_channel_free( irc_channel_t *ic )
{
irc_t *irc = ic->irc;
if( ic->flags & IRC_CHANNEL_JOINED )
irc_channel_del_user( ic, irc->user );
irc->channels = g_slist_remove( irc->channels, ic );
while( ic->users )
{
g_free( ic->users->data );
ic->users = g_slist_remove( ic->users, ic->users->data );
}
g_free( ic->name );
g_free( ic->topic );
g_free( ic );
return 1;
}
int irc_channel_add_user( irc_channel_t *ic, irc_user_t *iu )
{
irc_channel_user_t *icu;
if( irc_channel_has_user( ic, iu ) )
return 0;
icu = g_new0( irc_channel_user_t, 1 );
icu->iu = iu;
ic->users = g_slist_insert_sorted( ic->users, icu, irc_channel_user_cmp );
if( iu == ic->irc->user || ic->flags & IRC_CHANNEL_JOINED )
{
ic->flags |= IRC_CHANNEL_JOINED;
irc_send_join( ic, iu );
}
return 1;
}
int irc_channel_del_user( irc_channel_t *ic, irc_user_t *iu )
{
irc_channel_user_t *icu;
if( !( icu = irc_channel_has_user( ic, iu ) ) )
return 0;
ic->users = g_slist_remove( ic->users, icu );
g_free( icu );
if( ic->flags & IRC_CHANNEL_JOINED )
irc_send_part( ic, iu, "" );
if( iu == ic->irc->user )
ic->flags &= ~IRC_CHANNEL_JOINED;
return 1;
}
irc_channel_user_t *irc_channel_has_user( irc_channel_t *ic, irc_user_t *iu )
{
GSList *l;
for( l = ic->users; l; l = l->next )
{
irc_channel_user_t *icu = l->data;
if( icu->iu == iu )
return icu;
}
return NULL;
}
int irc_channel_set_topic( irc_channel_t *ic, const char *topic, const irc_user_t *iu )
{
g_free( ic->topic );
ic->topic = g_strdup( topic );
g_free( ic->topic_who );
if( iu )
ic->topic_who = g_strdup_printf( "%s!%s@%s", iu->nick, iu->user, iu->host );
else
ic->topic_who = NULL;
ic->topic_time = time( NULL );
if( ic->flags & IRC_CHANNEL_JOINED )
irc_send_topic( ic, TRUE );
return 1;
}
gboolean irc_channel_name_ok( const char *name )
{
return strchr( CTYPES, name[0] ) != NULL && nick_ok( name + 1 );
}
static gint irc_channel_user_cmp( gconstpointer a_, gconstpointer b_ )
{
const irc_channel_user_t *a = a_, *b = b_;
return irc_user_cmp( a->iu, b->iu );
}
/* Channel-type dependent functions, for control channels: */
static gboolean control_channel_privmsg( irc_channel_t *ic, const char *msg )
{
irc_t *irc = ic->irc;
const char *s;
/* Scan for non-whitespace chars followed by a colon: */
for( s = msg; *s && !isspace( *s ) && *s != ':'; s ++ ) {}
if( *s == ':' )
{
char to[s-msg+1];
irc_user_t *iu;
strncpy( to, msg, s - msg );
while( *(++s) && isspace( *s ) ) {}
iu = irc_user_by_name( irc, to );
if( iu && iu->f->privmsg )
{
iu->flags &= ~IRC_USER_PRIVATE;
iu->f->privmsg( iu, s );
}
}
else
{
/* TODO: Maybe just use root->privmsg here now? */
char cmd[strlen(msg)+1];
g_free( ic->irc->last_root_cmd );
ic->irc->last_root_cmd = g_strdup( ic->name );
strcpy( cmd, msg );
root_command_string( ic->irc, cmd );
}
return TRUE;
}
static const struct irc_channel_funcs control_channel_funcs = {
control_channel_privmsg,
};
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