
/* #line 1 "./ragel/tsdp_parser_message.rl" */
/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*	
* 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_machine_message.rl
 * @brief Ragel file.
 *
 * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
 *

 */
#include "tinysdp/parsers/tsdp_parser_message.h"

#include "tinysdp/headers/tsdp_header_A.h"
#include "tinysdp/headers/tsdp_header_B.h"
#include "tinysdp/headers/tsdp_header_C.h"
#include "tinysdp/headers/tsdp_header_Dummy.h"
#include "tinysdp/headers/tsdp_header_E.h"
#include "tinysdp/headers/tsdp_header_I.h"
#include "tinysdp/headers/tsdp_header_K.h"
#include "tinysdp/headers/tsdp_header_M.h"
#include "tinysdp/headers/tsdp_header_O.h"
#include "tinysdp/headers/tsdp_header_P.h"
#include "tinysdp/headers/tsdp_header_R.h"
#include "tinysdp/headers/tsdp_header_S.h"
#include "tinysdp/headers/tsdp_header_T.h"
#include "tinysdp/headers/tsdp_header_U.h"
#include "tinysdp/headers/tsdp_header_V.h"
#include "tinysdp/headers/tsdp_header_Z.h"

#include "tsk_debug.h"


/* #line 244 "./ragel/tsdp_parser_message.rl" */


/* Ragel data */

/* #line 59 "./src/parsers/tsdp_parser_message.c" */
static const char _tsdp_machine_message_actions[] = {
	0, 1, 0, 1, 1, 1, 2, 1, 
	3, 1, 4, 1, 5, 1, 6, 1, 
	7, 1, 8, 1, 9, 1, 10, 1, 
	11, 1, 12, 1, 13, 1, 14, 1, 
	15, 1, 16
};

static const char _tsdp_machine_message_key_offsets[] = {
	0, 0, 2, 3, 4, 6, 7, 9, 
	10, 12, 13, 15, 16, 18, 19, 21, 
	22, 24, 25, 27, 28, 30, 31, 33, 
	34, 36, 37, 39, 40, 42, 43, 45, 
	46, 48, 49
};

static const char _tsdp_machine_message_trans_keys[] = {
	32, 61, 13, 10, 32, 61, 13, 32, 
	61, 13, 32, 61, 13, 32, 61, 13, 
	32, 61, 13, 32, 61, 13, 32, 61, 
	13, 32, 61, 13, 32, 61, 13, 32, 
	61, 13, 32, 61, 13, 32, 61, 13, 
	32, 61, 13, 32, 61, 13, 32, 61, 
	13, 65, 66, 67, 69, 73, 75, 77, 
	79, 80, 82, 83, 84, 85, 86, 90, 
	97, 98, 99, 101, 105, 107, 109, 111, 
	112, 114, 115, 116, 117, 118, 122, 68, 
	89, 100, 121, 0
};

static const char _tsdp_machine_message_single_lengths[] = {
	0, 2, 1, 1, 2, 1, 2, 1, 
	2, 1, 2, 1, 2, 1, 2, 1, 
	2, 1, 2, 1, 2, 1, 2, 1, 
	2, 1, 2, 1, 2, 1, 2, 1, 
	2, 1, 30
};

static const char _tsdp_machine_message_range_lengths[] = {
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 2
};

static const char _tsdp_machine_message_index_offsets[] = {
	0, 0, 3, 5, 7, 10, 12, 15, 
	17, 20, 22, 25, 27, 30, 32, 35, 
	37, 40, 42, 45, 47, 50, 52, 55, 
	57, 60, 62, 65, 67, 70, 72, 75, 
	77, 80, 82
};

static const char _tsdp_machine_message_trans_targs[] = {
	1, 2, 0, 3, 2, 34, 0, 4, 
	5, 0, 3, 5, 6, 7, 0, 3, 
	7, 8, 9, 0, 3, 9, 10, 11, 
	0, 3, 11, 12, 13, 0, 3, 13, 
	14, 15, 0, 3, 15, 16, 17, 0, 
	3, 17, 18, 19, 0, 3, 19, 20, 
	21, 0, 3, 21, 22, 23, 0, 3, 
	23, 24, 25, 0, 3, 25, 26, 27, 
	0, 3, 27, 28, 29, 0, 3, 29, 
	30, 31, 0, 3, 31, 32, 33, 0, 
	3, 33, 1, 4, 6, 10, 12, 14, 
	16, 18, 20, 22, 24, 26, 28, 30, 
	32, 1, 4, 6, 10, 12, 14, 16, 
	18, 20, 22, 24, 26, 28, 30, 32, 
	8, 8, 0, 0
};

static const char _tsdp_machine_message_trans_actions[] = {
	0, 0, 0, 3, 0, 0, 0, 0, 
	0, 0, 5, 0, 0, 0, 0, 7, 
	0, 0, 0, 0, 9, 0, 0, 0, 
	0, 11, 0, 0, 0, 0, 13, 0, 
	0, 0, 0, 15, 0, 0, 0, 0, 
	17, 0, 0, 0, 0, 19, 0, 0, 
	0, 0, 21, 0, 0, 0, 0, 23, 
	0, 0, 0, 0, 25, 0, 0, 0, 
	0, 27, 0, 0, 0, 0, 29, 0, 
	0, 0, 0, 31, 0, 0, 0, 0, 
	33, 0, 1, 1, 1, 1, 1, 1, 
	1, 1, 1, 1, 1, 1, 1, 1, 
	1, 1, 1, 1, 1, 1, 1, 1, 
	1, 1, 1, 1, 1, 1, 1, 1, 
	1, 1, 0, 0
};

static const int tsdp_machine_message_start = 34;
static const int tsdp_machine_message_first_final = 34;
static const int tsdp_machine_message_error = 0;

static const int tsdp_machine_message_en_main = 34;


/* #line 248 "./ragel/tsdp_parser_message.rl" */

tsdp_message_t* tsdp_message_parse(const void *input, tsk_size_t size)
{
	tsdp_message_t* sdp_msg = tsk_null;
	const char* tag_start = tsk_null;
	tsdp_header_t *header = tsk_null;
	tsdp_header_T_t *hdr_T = tsk_null;
	tsdp_header_M_t *hdr_M = tsk_null;

	/* Ragel variables */
	int cs = 0;
	const char* p = input;
	const char* pe = p + size;
	const char* eof = tsk_null;

	(void)(eof);

	if(!input || !size){
		TSK_DEBUG_ERROR("Null or empty buffer.");
		goto bail;
	}

	if(!(sdp_msg = tsdp_message_create())){
		goto bail;
	}

	/* Ragel init */
	
/* #line 186 "./src/parsers/tsdp_parser_message.c" */
	{
	cs = tsdp_machine_message_start;
	}

/* #line 276 "./ragel/tsdp_parser_message.rl" */

	/* Ragel execute */
	
/* #line 195 "./src/parsers/tsdp_parser_message.c" */
	{
	int _klen;
	unsigned int _trans;
	const char *_acts;
	unsigned int _nacts;
	const char *_keys;

	if ( p == pe )
		goto _test_eof;
	if ( cs == 0 )
		goto _out;
_resume:
	_keys = _tsdp_machine_message_trans_keys + _tsdp_machine_message_key_offsets[cs];
	_trans = _tsdp_machine_message_index_offsets[cs];

	_klen = _tsdp_machine_message_single_lengths[cs];
	if ( _klen > 0 ) {
		const char *_lower = _keys;
		const char *_mid;
		const char *_upper = _keys + _klen - 1;
		while (1) {
			if ( _upper < _lower )
				break;

			_mid = _lower + ((_upper-_lower) >> 1);
			if ( (*p) < *_mid )
				_upper = _mid - 1;
			else if ( (*p) > *_mid )
				_lower = _mid + 1;
			else {
				_trans += (_mid - _keys);
				goto _match;
			}
		}
		_keys += _klen;
		_trans += _klen;
	}

	_klen = _tsdp_machine_message_range_lengths[cs];
	if ( _klen > 0 ) {
		const char *_lower = _keys;
		const char *_mid;
		const char *_upper = _keys + (_klen<<1) - 2;
		while (1) {
			if ( _upper < _lower )
				break;

			_mid = _lower + (((_upper-_lower) >> 1) & ~1);
			if ( (*p) < _mid[0] )
				_upper = _mid - 2;
			else if ( (*p) > _mid[1] )
				_lower = _mid + 2;
			else {
				_trans += ((_mid - _keys)>>1);
				goto _match;
			}
		}
		_trans += _klen;
	}

_match:
	cs = _tsdp_machine_message_trans_targs[_trans];

	if ( _tsdp_machine_message_trans_actions[_trans] == 0 )
		goto _again;

	_acts = _tsdp_machine_message_actions + _tsdp_machine_message_trans_actions[_trans];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 )
	{
		switch ( *_acts++ )
		{
	case 0:
/* #line 58 "./ragel/tsdp_parser_message.rl" */
	{
		tag_start = p;
	}
	break;
	case 1:
/* #line 65 "./ragel/tsdp_parser_message.rl" */
	{
		if(hdr_M){
			if(!hdr_M->Attributes){
				hdr_M->Attributes = tsk_list_create();
			}
			if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){
				tsk_list_push_back_data(hdr_M->Attributes, (void**)&header);
			}
		}
		else if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 2:
/* #line 80 "./ragel/tsdp_parser_message.rl" */
	{
		if(hdr_M){
			if(!hdr_M->Bandwidths){
				hdr_M->Bandwidths = tsk_list_create();
			}
			if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){
				tsk_list_push_back_data(hdr_M->Bandwidths, (void**)&header);
			}
		}
		else if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 3:
/* #line 95 "./ragel/tsdp_parser_message.rl" */
	{
		if(hdr_M && !hdr_M->C){
			hdr_M->C = tsdp_header_C_parse(tag_start, (p - tag_start));
		}
		else if((header = (tsdp_header_t*)tsdp_header_C_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 4:
/* #line 105 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_Dummy_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 5:
/* #line 112 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_E_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 6:
/* #line 119 "./ragel/tsdp_parser_message.rl" */
	{
		if(hdr_M && !hdr_M->I){
			hdr_M->I = tsdp_header_I_parse(tag_start, (p - tag_start));
		}
		else if((header = (tsdp_header_t*)tsdp_header_I_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 7:
/* #line 129 "./ragel/tsdp_parser_message.rl" */
	{
		if(hdr_M && !hdr_M->K){
			hdr_M->K = tsdp_header_K_parse(tag_start, (p - tag_start));
		}
		else if((header = (tsdp_header_t*)tsdp_header_K_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 8:
/* #line 139 "./ragel/tsdp_parser_message.rl" */
	{
		if((hdr_M = tsdp_header_M_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_M));
			hdr_M = tsk_object_unref(hdr_M);
		}
	}
	break;
	case 9:
/* #line 146 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_O_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 10:
/* #line 153 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_P_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 11:
/* #line 160 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_R_parse(tag_start, (p - tag_start)))){
			if(hdr_T){
				if(!hdr_T->repeat_fields){
					hdr_T->repeat_fields = tsk_list_create();
				}
				tsk_list_push_back_data(hdr_T->repeat_fields, (void**)&header);
			}
			else{
				tsdp_message_add_header(sdp_msg, header);
				tsk_object_unref(header);
			}
		}
	}
	break;
	case 12:
/* #line 175 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_S_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 13:
/* #line 182 "./ragel/tsdp_parser_message.rl" */
	{
		if((hdr_T = tsdp_header_T_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_T));
			hdr_T = tsk_object_unref(hdr_T);
		}
	}
	break;
	case 14:
/* #line 189 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_U_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 15:
/* #line 196 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_V_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
	case 16:
/* #line 203 "./ragel/tsdp_parser_message.rl" */
	{
		if((header = (tsdp_header_t*)tsdp_header_Z_parse(tag_start, (p - tag_start)))){
			tsdp_message_add_header(sdp_msg, header);
			tsk_object_unref(header);
		}
	}
	break;
/* #line 451 "./src/parsers/tsdp_parser_message.c" */
		}
	}

_again:
	if ( cs == 0 )
		goto _out;
	if ( ++p != pe )
		goto _resume;
	_test_eof: {}
	_out: {}
	}

/* #line 279 "./ragel/tsdp_parser_message.rl" */

	/* Check result */
	if( cs < 
/* #line 468 "./src/parsers/tsdp_parser_message.c" */
34
/* #line 281 "./ragel/tsdp_parser_message.rl" */
 )
	{
		TSK_DEBUG_ERROR("Failed to parse SDP message.");
		TSK_OBJECT_SAFE_FREE(sdp_msg);
		goto bail;
	}
	
bail:
	return sdp_msg;
}
