/*

 *  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

 *  along with this program; if not, write to the Free Software

 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 *

 *  Jabber

 *  Copyright (C) 1998-1999 The Jabber Team http://jabber.org/

 */

#include "jabber.h"

jpacket jpacket_new(xmlnode x)

{

    jpacket p;

    if(x == NULL)

	return NULL;

    p = pmalloc(xmlnode_pool(x),sizeof(_jpacket));

    p->x = x;

    return jpacket_reset(p);

}

jpacket jpacket_reset(jpacket p)

{

    char *val;

    xmlnode x;

    x = p->x;

    memset(p,0,sizeof(_jpacket));

    p->x = x;

    p->p = xmlnode_pool(x);

    if(strncmp(xmlnode_get_name(x),"message",7) == 0)

    {

	p->type = JPACKET_MESSAGE;

    }else if(strncmp(xmlnode_get_name(x),"presence",8) == 0)

    {

	p->type = JPACKET_PRESENCE;

	val = xmlnode_get_attrib(x, "type");

	if(val == NULL)

	    p->subtype = JPACKET__AVAILABLE;

	else if(strcmp(val,"unavailable") == 0)

	    p->subtype = JPACKET__UNAVAILABLE;

	else if(strcmp(val,"probe") == 0)

	    p->subtype = JPACKET__PROBE;

	else if(*val == 's' || *val == 'u')

	    p->type = JPACKET_S10N;

	else if(strcmp(val,"available") == 0)

	{ /* someone is using type='available' which is frowned upon */

	    xmlnode_hide_attrib(x,"type");

	    p->subtype = JPACKET__AVAILABLE;

	}else

	    p->type = JPACKET_UNKNOWN;

    }else if(strncmp(xmlnode_get_name(x),"iq",2) == 0)

    {

	p->type = JPACKET_IQ;

	p->iq = xmlnode_get_tag(x,"?xmlns");

	p->iqns = xmlnode_get_attrib(p->iq,"xmlns");

    }

    /* set up the jids if any, flag packet as unknown if they are unparseable */

    val = xmlnode_get_attrib(x,"to");

    if(val != NULL)

	if((p->to = jid_new(p->p, val)) == NULL)

	    p->type = JPACKET_UNKNOWN;

    val = xmlnode_get_attrib(x,"from");

    if(val != NULL)

	if((p->from = jid_new(p->p, val)) == NULL)

	    p->type = JPACKET_UNKNOWN;

    return p;

}

int jpacket_subtype(jpacket p)

{

    char *type;

    int ret = p->subtype;

    if(ret != JPACKET__UNKNOWN)

	return ret;

    ret = JPACKET__NONE; /* default, when no type attrib is specified */

    type = xmlnode_get_attrib(p->x, "type");

    if(j_strcmp(type,"error") == 0)

	ret = JPACKET__ERROR;

    else

	switch(p->type)

	{

	case JPACKET_MESSAGE:

	    if(j_strcmp(type,"chat") == 0)

		ret = JPACKET__CHAT;

	    else if(j_strcmp(type,"groupchat") == 0)

		ret = JPACKET__GROUPCHAT;

	    else if(j_strcmp(type,"headline") == 0)

		ret = JPACKET__HEADLINE;

	    break;

	case JPACKET_S10N:

	    if(j_strcmp(type,"subscribe") == 0)

		ret = JPACKET__SUBSCRIBE;

	    else if(j_strcmp(type,"subscribed") == 0)

		ret = JPACKET__SUBSCRIBED;

	    else if(j_strcmp(type,"unsubscribe") == 0)

		ret = JPACKET__UNSUBSCRIBE;

	    else if(j_strcmp(type,"unsubscribed") == 0)

		ret = JPACKET__UNSUBSCRIBED;

	    break;

	case JPACKET_IQ:

	    if(j_strcmp(type,"get") == 0)

		ret = JPACKET__GET;

	    else if(j_strcmp(type,"set") == 0)

		ret = JPACKET__SET;

	    else if(j_strcmp(type,"result") == 0)

		ret = JPACKET__RESULT;

	    break;

	}

    p->subtype = ret;

    return ret;

}