source: query.c @ 920ed08

  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2004 Wilmer van der Gaast and others                *
  \********************************************************************/

/* Questions to the user (mainly authorization requests from IM)        */

/*
  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
*/

#define BITLBEE_CORE
#include "bitlbee.h"

static void query_display( irc_t *irc, query_t *q );
static query_t *query_default( irc_t *irc );

query_t *query_add( irc_t *irc, struct im_connection *ic, char *question,
                    query_callback yes, query_callback no, query_callback free,
                    void *data )
{
        query_t *q = g_new0( query_t, 1 );
        
        q->ic = ic;
        q->question = g_strdup( question );
        q->yes = yes;
        q->no = no;
        q->free = free;
        q->data = data;
        
        if( strchr( irc->umode, 'b' ) != NULL )
        {
                char *s;
                
                /* At least for the machine-parseable version, get rid of
                   newlines to make "parsing" easier. */
                for( s = q->question; *s; s ++ )
                        if( *s == '\r' || *s == '\n' )
                                *s = ' ';
        }
        
        if( irc->queries )
        {
                query_t *l = irc->queries;
                
                while( l->next ) l = l->next;
                l->next = q;
        }
        else
        {
                irc->queries = q;
        }
        
        if( g_strcasecmp( set_getstr( &irc->b->set, "query_order" ), "lifo" ) == 0 || irc->queries == q )
                query_display( irc, q );
        
        return( q );
}

void query_del( irc_t *irc, query_t *q )
{
        query_t *l;
        
        if( irc->queries == q )
        {
                irc->queries = q->next;
        }
        else
        {
                for( l = irc->queries; l; l = l->next )
                {
                        if( l->next == q )
                        {
                                l->next = q->next;
                                break;
                        }
                }
                
                if( !l )
                        return; /* Hrmmm... */
        }
        
        g_free( q->question );
        if( q->free && q->data )
                q->free( q->data );
        g_free( q );
}

void query_del_by_conn( irc_t *irc, struct im_connection *ic )
{
        query_t *q, *n, *def;
        int count = 0;
        
        if( !ic )
                return;
        
        q = irc->queries;
        def = query_default( irc );
        
        while( q )
        {
                if( q->ic == ic )
                {
                        n = q->next;
                        query_del( irc, q );
                        q = n;
                        
                        count ++;
                }
                else
                {
                        q = q->next;
                }
        }
        
        if( count > 0 )
                imcb_log( ic, "Flushed %d unanswered question(s) for this connection.", count );
        
        q = query_default( irc );
        if( q && q != def )
                query_display( irc, q );
}

void query_answer( irc_t *irc, query_t *q, int ans )
{
        int disp = 0;
        
        if( !q )
        {
                q = query_default( irc );
                disp = 1;
        }
        if( ans )
        {
                if( q->ic )
                        imcb_log( q->ic, "Accepted: %s", q->question );
                else
                        irc_usermsg( irc, "Accepted: %s", q->question );
                if( q->yes )
                        q->yes( q->data );
        }
        else
        {
                if( q->ic )
                        imcb_log( q->ic, "Rejected: %s", q->question );
                else
                        irc_usermsg( irc, "Rejected: %s", q->question );
                if( q->no )
                        q->no( q->data );
        }
        q->data = NULL;
        
        query_del( irc, q );
        
        if( disp && ( q = query_default( irc ) ) )
                query_display( irc, q );
}

static void query_display( irc_t *irc, query_t *q )
{
        if( q->ic )
        {
                imcb_log( q->ic, "New request: %s\nYou can use the \2yes\2/\2no\2 commands to accept/reject this request.", q->question );
        }
        else
        {
                irc_usermsg( irc, "New request: %s\nYou can use the \2yes\2/\2no\2 commands to accept/reject this request.", q->question );
        }
}

static query_t *query_default( irc_t *irc )
{
        query_t *q;
        
        if( g_strcasecmp( set_getstr( &irc->b->set, "query_order" ), "fifo" ) == 0 )
                q = irc->queries;
        else
                for( q = irc->queries; q && q->next; q = q->next );
        
        return( q );
}