source: protocols/chat.c @ 18da20b

  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2008 Wilmer van der Gaast and others                *
  \********************************************************************/

/* Keep track of chatrooms the user is interested in                    */

/*
  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"
#include "chat.h"

struct chat *chat_add( irc_t *irc, account_t *acc, char *handle, char *channel )
{
        struct chat *c, *l;
        set_t *s;

        if( acc->prpl->chat_join == NULL || !chat_chanok( channel ) ||
            chat_chancmp( channel, irc->channel ) == 0 )
        {
                return NULL;
        }
        
        for( c = irc->chatrooms; c; c = c->next )
        {
                if( chat_chancmp( channel, c->channel ) == 0 )
                        return NULL;
                
                if( acc == c->acc && g_strcasecmp( handle, c->handle ) == 0 )
                        return NULL;
                
                l = c;
        }
        
        if( irc->chatrooms == NULL )
                irc->chatrooms = c = g_new0( struct chat, 1 );
        else
                l->next = c = g_new0( struct chat, 1 );
        
        c->acc = acc;
        c->handle = g_strdup( handle );
        c->channel = g_strdup( channel );
        
        s = set_add( &c->set, "auto_join", "false", set_eval_bool, c );
        /* s = set_add( &c->set, "auto_rejoin", "false", set_eval_bool, c ); */
        s = set_add( &c->set, "nick", NULL, NULL, c );
        s->flags |= SET_NULL_OK;
        
        return c;
}

struct chat *chat_byhandle( irc_t *irc, account_t *acc, char *handle )
{
        struct chat *c;
        
        for( c = irc->chatrooms; c; c = c->next )
        {
                if( acc == c->acc && g_strcasecmp( handle, c->handle ) == 0 )
                        break;
        }
        
        return c;
}

struct chat *chat_bychannel( irc_t *irc, char *channel )
{
        struct chat *c;
        
        for( c = irc->chatrooms; c; c = c->next )
        {
                if( chat_chancmp( channel, c->channel ) == 0 )
                        break;
        }
        
        return c;
}

struct chat *chat_get( irc_t *irc, char *id )
{
        struct chat *c, *ret = NULL;
        int nr;
        
        if( sscanf( id, "%d", &nr ) == 1 && nr < 1000 )
        {
                for( c = irc->chatrooms; c; c = c->next )
                        if( ( nr-- ) == 0 )
                                return c;
                
                return NULL;
        }
        
        for( c = irc->chatrooms; c; c = c->next )
        {
                if( strstr( c->handle, id ) )
                {
                        if( !ret )
                                ret = c;
                        else
                                return NULL;
                }
                else if( strstr( c->channel, id ) )
                {
                        if( !ret )
                                ret = c;
                        else
                                return NULL;
                }
        }
        
        return ret;
}

int chat_del( irc_t *irc, struct chat *chat )
{
        struct chat *c, *l = NULL;
        
        for( c = irc->chatrooms; c; c = (l=c)->next )
                if( c == chat )
                        break;
        
        if( c == NULL )
                return 0;
        else if( l == NULL )
                irc->chatrooms = c->next;
        else
                l->next = c->next;
        
        while( c->set )
                set_del( &c->set, c->set->key );
        
        g_free( c->handle );
        g_free( c->channel );
        g_free( c );
        
        return 1;
}

int chat_chancmp( char *a, char *b )
{
        if( !chat_chanok( a ) || !chat_chanok( b ) )
                return 0;
        
        if( a[0] == b[0] )
                return nick_cmp( a + 1, b + 1 );
        else
                return -1;
}

int chat_chanok( char *a )
{
        if( strchr( CTYPES, a[0] ) != NULL )
                return nick_ok( a + 1 );
        else
                return 0;
}

int chat_join( irc_t *irc, struct chat *c, const char *password )
{
        struct groupchat *gc;
        char *nick = set_getstr( &c->set, "nick" );

        if( c->acc->ic == NULL || c->acc->prpl->chat_join == NULL )
                return 0;
        
        if( nick == NULL )
                nick = irc->nick;
        
        if( ( gc = c->acc->prpl->chat_join( c->acc->ic, c->handle, nick, password ) ) )
        {
                g_free( gc->channel );
                gc->channel = g_strdup( c->channel );
                return 1;
        }
        
        return 0;
}