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				| /* $Id$ */
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| /* 
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|  * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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|  * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
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|  */
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| #ifndef __PJSIP_SIMPLE_ISCOMPOSING_H__
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| #define __PJSIP_SIMPLE_ISCOMPOSING_H__
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| 
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| /**
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|  * @file iscomposing.h
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|  * @brief Support for Indication of Message Composition (RFC 3994)
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|  */
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| #include <pjsip-simple/types.h>
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| #include <pjlib-util/xml.h>
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| 
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| /**
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|  * @defgroup PJSIP_ISCOMPOSING Message Composition Indication (RFC 3994)
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|  * @ingroup PJSIP_SIMPLE
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|  * @brief Support for Indication of Message Composition (RFC 3994)
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|  * @{
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|  *
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|  * This implements message composition indication, as described in
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|  * RFC 3994.
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|  */
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| 
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| PJ_BEGIN_DECL
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| 
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| 
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| /**
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|  * Create XML message with MIME type "application/im-iscomposing+xml"
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|  * to indicate the message composition status.
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|  *
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|  * @param pool		    Pool to allocate memory.
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|  * @param is_composing	    Message composition indication status. Set to
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|  *			    PJ_TRUE (or non-zero) to indicate that application
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|  *			    is currently composing an instant message.
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|  * @param lst_actv	    Optional attribute to indicate time of last
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|  *			    activity. If none is to be specified, the value
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|  *			    MUST be set to NULL.
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|  * @param content_tp	    Optional attribute to indicate the content type of
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|  *			    message being composed. If none is to be specified, 
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|  *			    the value MUST be set to NULL.
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|  * @param refresh	    Optional attribute to indicate the interval when
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|  *			    next indication will be sent, only when 
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|  *			    is_composing is non-zero. If none is to be 
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|  *			    specified, the value MUST be set to -1.
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|  *
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|  * @return		    An XML message containing the message indication.
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|  *			    NULL will be returned when there's not enough
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|  *			    memory to allocate the message.
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|  */
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| PJ_DECL(pj_xml_node*) pjsip_iscomposing_create_xml(pj_pool_t *pool,
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| 						   pj_bool_t is_composing,
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| 						   const pj_time_val *lst_actv,
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| 						   const pj_str_t *content_tp,
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| 						   int refresh);
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| 
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| 
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| /**
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|  * Create message body with Content-Type "application/im-iscomposing+xml"
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|  * to indicate the message composition status.
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|  *
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|  * @param pool		    Pool to allocate memory.
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|  * @param is_composing	    Message composition indication status. Set to
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|  *			    PJ_TRUE (or non-zero) to indicate that application
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|  *			    is currently composing an instant message.
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|  * @param lst_actv	    Optional attribute to indicate time of last
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|  *			    activity. If none is to be specified, the value
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|  *			    MUST be set to NULL.
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|  * @param content_tp	    Optional attribute to indicate the content type of
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|  *			    message being composed. If none is to be specified, 
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|  *			    the value MUST be set to NULL.
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|  * @param refresh	    Optional attribute to indicate the interval when
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|  *			    next indication will be sent, only when 
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|  *			    is_composing is non-zero. If none is to be 
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|  *			    specified, the value MUST be set to -1.
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|  *
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|  * @return		    The SIP message body containing XML message 
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|  *			    indication. NULL will be returned when there's not
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|  *			    enough memory to allocate the message.
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|  */
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| PJ_DECL(pjsip_msg_body*) pjsip_iscomposing_create_body( pj_pool_t *pool,
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| 						   pj_bool_t is_composing,
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| 						   const pj_time_val *lst_actv,
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| 						   const pj_str_t *content_tp,
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| 						   int refresh);
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| 
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| 
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| /**
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|  * Parse the buffer and return message composition indication in the 
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|  * message.
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|  *
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|  * @param pool		    Pool to allocate memory for the parsing process.
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|  * @param msg		    The message to be parsed.
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|  * @param len		    Length of the message.
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|  * @param p_is_composing    Optional pointer to receive iscomposing status.
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|  * @param p_last_active	    Optional pointer to receive last active attribute.
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|  * @param p_content_type    Optional pointer to receive content type attribute.
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|  * @param p_refresh	    Optional pointer to receive refresh time.
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|  *
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|  * @return		    PJ_SUCCESS if message can be successfully parsed.
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|  */
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| PJ_DECL(pj_status_t) pjsip_iscomposing_parse( pj_pool_t *pool,
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| 					      char *msg,
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| 					      pj_size_t len,
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| 					      pj_bool_t *p_is_composing,
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| 					      pj_str_t **p_last_active,
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| 					      pj_str_t **p_content_type,
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| 					      int *p_refresh );
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| 
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| 
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| /**
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|  * @}
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|  */
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| 
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| 
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| PJ_END_DECL
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| 
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| 
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| #endif	/* __PJSIP_SIMPLE_ISCOMPOSING_H__ */
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| 
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