/*
 * Copyright (C) 2010-2015 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 tsdp_header_R.c
  * @brief SDP "r=" header (Repeat Times).
  * 
  */
 #include "tinysdp/headers/tsdp_header_R.h"
 
 #include "tsk_debug.h"
 #include "tsk_memory.h"
 #include "tsk_string.h"
 
 #include <string.h>
 
 /***********************************
 *	Ragel state machine.
 */
 %%{
 	machine tsdp_machine_parser_header_R;
 
 	# Includes
 	include tsdp_machine_utils "./ragel/tsdp_machine_utils.rl";
 	
 	action tag{
 		tag_start = p;
 	}
 
 	action parse_repeat_interval{
 		TSK_PARSER_SET_STRING(hdr_R->repeat_interval);
 	}
 
 	action parse_typed_time{
 		if(!hdr_R->typed_time){
 			TSK_PARSER_SET_STRING(hdr_R->typed_time);
 		}
 		else{
 			TSK_PARSER_ADD_STRING(hdr_R->typed_times);
 		}
 	}
 
 	fixed_len_time_unit	=  	"d" | "h" | "m" | "s";
 
 	repeat_interval = (DIGIT+ fixed_len_time_unit?) >tag %parse_repeat_interval;
 	typed_time = (DIGIT+ fixed_len_time_unit?) >tag %parse_typed_time;
 	
 	R = 'r' SP* "=" SP*<: repeat_interval :>SP typed_time (SP<: typed_time)+;
 	
 	# Entry point
 	main := R :>CRLF?;
 
 }%%
 
 
 
 tsdp_header_R_t* tsdp_header_R_create()
 {
 	return tsk_object_new(TSDP_HEADER_R_VA_ARGS());
 }
 
 tsdp_header_R_t* tsdp_header_R_create_null()
 {
 	return tsdp_header_R_create();
 }
 
 int tsdp_header_R_tostring(const tsdp_header_t* header, tsk_buffer_t* output)
 {
 	if(header){
 		const tsdp_header_R_t *R = (const tsdp_header_R_t *)header;
 		const tsk_list_item_t* item;
 
 		// r=7d 1h 0 25h
 		tsk_buffer_append_2(output, "%s %s", 
 			R->repeat_interval,
 			R->typed_time
 			);
 		tsk_list_foreach(item, R->typed_times){
 			tsk_string_t* string = item->data;
 			tsk_buffer_append_2(output, " %s", TSK_STRING_STR(string));
 		}
 		
 		return 0;
 	}
 
 	return -1;
 }
 
 tsdp_header_t* tsdp_header_R_clone(const tsdp_header_t* header)
 {
 	if(header){
 		const tsdp_header_R_t *R = (const tsdp_header_R_t *)header;
 		tsdp_header_R_t* clone;
 		const tsk_list_item_t* item;
 
 		if((clone = tsdp_header_R_create_null())){
 			clone->repeat_interval = tsk_strdup(R->repeat_interval);
 			clone->typed_time = tsk_strdup(R->typed_time);
 
 			if(R->typed_times){
 				clone->typed_times = tsk_list_create();
 			}
 
 			tsk_list_foreach(item, R->typed_times){
 				tsk_string_t* string = tsk_string_create(TSK_STRING_STR(item->data));
 				tsk_list_push_back_data(clone->typed_times, (void**)&string);
 			}
 		}
 		return TSDP_HEADER(clone);
 	}
 	return tsk_null;
 }
 
 tsdp_header_R_t *tsdp_header_R_parse(const char *data, tsk_size_t size)
 {
 	int cs = 0;
 	const char *p = data;
 	const char *pe = p + size;
 	const char *eof = pe;
 	tsdp_header_R_t *hdr_R = tsdp_header_R_create_null();
 	
 	const char *tag_start = tsk_null;
 
 	TSK_RAGEL_DISABLE_WARNINGS_BEGIN()
 	%%write data;
 	(void)(tsdp_machine_parser_header_R_first_final);
 	(void)(tsdp_machine_parser_header_R_error);
 	(void)(tsdp_machine_parser_header_R_en_main);
 	%%write init;
 	%%write exec;
 	TSK_RAGEL_DISABLE_WARNINGS_END()
 	
 	if( cs < %%{ write first_final; }%% ){
 		TSK_DEBUG_ERROR("Failed to parse \"r=\" header.");
 		TSK_OBJECT_SAFE_FREE(hdr_R);
 	}
 	
 	return hdr_R;
 }
 
 
 
 
 
 
 
 //========================================================
 //	E header object definition
 //
 
 static tsk_object_t* tsdp_header_R_ctor(tsk_object_t *self, va_list * app)
 {
 	tsdp_header_R_t *R = self;
 	if(R){
 		TSDP_HEADER(R)->type = tsdp_htype_R;
 		TSDP_HEADER(R)->tostring = tsdp_header_R_tostring;
 		TSDP_HEADER(R)->clone = tsdp_header_R_clone;
 		TSDP_HEADER(R)->rank = TSDP_HTYPE_R_RANK;
 	}
 	else{
 		TSK_DEBUG_ERROR("Failed to create new E header.");
 	}
 	return self;
 }
 
 static tsk_object_t* tsdp_header_R_dtor(tsk_object_t *self)
 {
 	tsdp_header_R_t *R = self;
 	if(R){
 		TSK_FREE(R->repeat_interval);
 		TSK_FREE(R->typed_time);
 		TSK_OBJECT_SAFE_FREE(R->typed_times);
 	}
 	else{
 		TSK_DEBUG_ERROR("Null R header.");
 	}
 
 	return self;
 }
 static int tsdp_header_R_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
 {
 	if(obj1 && obj2){
 		return tsdp_header_rank_cmp(obj1, obj2);
 	}
 	else{
 		return -1;
 	}
 }
 
 static const tsk_object_def_t tsdp_header_R_def_s = 
 {
 	sizeof(tsdp_header_R_t),
 	tsdp_header_R_ctor,
 	tsdp_header_R_dtor,
 	tsdp_header_R_cmp
 };
 
 const tsk_object_def_t *tsdp_header_R_def_t = &tsdp_header_R_def_s;