/*
 * Copyright (C) 2009-2015 Mamadou DIOP.
 *	
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO 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 3 of the License, or
 * (at your option) any later version.
 *	
 * DOUBANGO 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 DOUBANGO.
 *
 */
 
 /**@file tmsrp_header_Status.c
  * @brief MSRP 'Status' header.
  */
 #include "tinymsrp/headers/tmsrp_header_Status.h"
 
 #include "tsk_debug.h"
 #include "tsk_memory.h"
 #include "tsk_string.h"
 
 #include <string.h>
 
 /***********************************
 *	Ragel state machine.
 */
 %%{
 	machine tmsrp_machine_parser_header_Status;
 
 	# Includes
 	include tmsrp_machine_utils "./ragel/tmsrp_machine_utils.rl";
 	
 	action tag{
 		tag_start = p;
 	}
 	
 	action parse_namespace{
 		TSK_PARSER_SET_INT(hdr_Status->_namespace);
 	}
 	
 	action parse_code{
 		TSK_PARSER_SET_INT(hdr_Status->code);
 	}
 	
 	action parse_reason{
 		TSK_PARSER_SET_STRING(hdr_Status->reason);
 	}
 
 	#/// @par ABNF :  Status	=  	 "Status:" SP namespace  SP status-code  [SP text-reason]
 	#/// namespace	= 	3(DIGIT) ; "000" for all codes defined in RFC 4975
 	#/// text-reason	= 	utf8text 
 	Status = "Status:"i SP DIGIT{3}>tag %parse_namespace SP DIGIT{3}>tag %parse_code (SP utf8text>tag %parse_reason)?;
 	
 	# Entry point
 	main := Status :>CRLF?;
 
 }%%
 
 
 
 tmsrp_header_Status_t* tmsrp_header_Status_create(short _namespace, short code, const char* reason)
 {
 	return tsk_object_new(TMSRP_HEADER_STATUS_VA_ARGS(_namespace, code, reason));
 }
 
 tmsrp_header_Status_t* tmsrp_header_Status_create_null()
 {
 	return tmsrp_header_Status_create(0, 200, tsk_null);
 }
 
 
 int tmsrp_header_Status_tostring(const tmsrp_header_t* header, tsk_buffer_t* output)
 {
 	if(header){
 		const tmsrp_header_Status_t *Status = (const tmsrp_header_Status_t *)header;
 				
 		// Status: 000 200 OK
 		return tsk_buffer_append_2(output, "%.3hi %.3hi%s%s", 
 			Status->_namespace, 
 			Status->code,
 			Status->reason ? " " : "",
 			Status->reason ? Status->reason : ""
 			);
 	}
 
 	return -1;
 }
 
 tmsrp_header_Status_t *tmsrp_header_Status_parse(const char *data, tsk_size_t size)
 {
 	int cs = 0;
 	const char *p = data;
 	const char *pe = p + size;
 	const char *eof = pe;
 	tmsrp_header_Status_t *hdr_Status = tmsrp_header_Status_create_null();
 
 	const char *tag_start = tsk_null;
 
 	TSK_RAGEL_DISABLE_WARNINGS_BEGIN()
 	%%write data;
 	(void)(eof);
 	(void)(tmsrp_machine_parser_header_Status_first_final);
 	(void)(tmsrp_machine_parser_header_Status_error);
 	(void)(tmsrp_machine_parser_header_Status_en_main);
 	%%write init;
 	%%write exec;
 	TSK_RAGEL_DISABLE_WARNINGS_END()
 	
 	if( cs < %%{ write first_final; }%% ){
 		TSK_DEBUG_ERROR("Failed to parse 'Status' header.");
 		TSK_OBJECT_SAFE_FREE(hdr_Status);
 	}
 	
 	return hdr_Status;
 }
 
 
 
 
 
 
 
 //========================================================
 //	Status header object definition
 //
 
 static tsk_object_t* tmsrp_header_Status_ctor(tsk_object_t *self, va_list * app)
 {
 	tmsrp_header_Status_t *Status = self;
 	if(Status){
 		TMSRP_HEADER(Status)->type = tmsrp_htype_Status;
 		TMSRP_HEADER(Status)->tostring = tmsrp_header_Status_tostring;
 #if defined(__GNUC__)
 		Status->_namespace = (short)va_arg(*app, int);
 		Status->code = (short)va_arg(*app, int);
 #else
 		Status->_namespace = va_arg(*app, short);
 		Status->code = va_arg(*app, short);
 #endif
 		Status->reason = tsk_strdup( va_arg(*app, const char*) );
 	}
 	else{
 		TSK_DEBUG_ERROR("Failed to create new Status header.");
 	}
 	return self;
 }
 
 static tsk_object_t* tmsrp_header_Status_dtor(tsk_object_t *self)
 {
 	tmsrp_header_Status_t *Status = self;
 	if(Status){
 		TSK_FREE(Status->reason);
 	}
 	else{
 		TSK_DEBUG_ERROR("Null Status header.");
 	}
 
 	return self;
 }
 
 static const tsk_object_def_t tmsrp_header_Status_def_s = 
 {
 	sizeof(tmsrp_header_Status_t),
 	tmsrp_header_Status_ctor,
 	tmsrp_header_Status_dtor,
 	tsk_null
 };
 
 const tsk_object_def_t *tmsrp_header_Status_def_t = &tmsrp_header_Status_def_s;