doubango/tinySDP/src/parsers/tsdp_parser_message.c
c732d49e
 #if HAVE_CRT
 #define _CRTDBG_MAP_ALLOC 
 #include <stdlib.h> 
 #include <crtdbg.h>
 #endif //HAVE_CRT
 
 /* #line 1 "./ragel/tsdp_parser_message.rl" */
 /*
 * Copyright (C) 2017, University of the Basque Country (UPV/EHU)
 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.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.
  */
 #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 238 "./ragel/tsdp_parser_message.rl" */
 
 
 TSK_RAGEL_DISABLE_WARNINGS_BEGIN()
 /* Ragel data */
 
 /* #line 54 "./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 243 "./ragel/tsdp_parser_message.rl" */
 TSK_RAGEL_DISABLE_WARNINGS_END()
 
 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;
 	}
 
 	TSK_RAGEL_DISABLE_WARNINGS_BEGIN()
 	/* Ragel init */
 	
 /* #line 183 "./src/parsers/tsdp_parser_message.c" */
 	{
 	cs = tsdp_machine_message_start;
 	}
 
 /* #line 273 "./ragel/tsdp_parser_message.rl" */
 
 	/* Ragel execute */
 	
 /* #line 192 "./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 52 "./ragel/tsdp_parser_message.rl" */
 	{
 		tag_start = p;
 	}
 	break;
 	case 1:
 /* #line 59 "./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 74 "./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 89 "./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 99 "./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 106 "./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 113 "./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 123 "./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 133 "./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 140 "./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 147 "./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 154 "./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 169 "./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 176 "./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 183 "./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 190 "./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 197 "./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 448 "./src/parsers/tsdp_parser_message.c" */
 		}
 	}
 
 _again:
 	if ( cs == 0 )
 		goto _out;
 	if ( ++p != pe )
 		goto _resume;
 	_test_eof: {}
 	_out: {}
 	}
 
 /* #line 276 "./ragel/tsdp_parser_message.rl" */
 	TSK_RAGEL_DISABLE_WARNINGS_END()
 
 	/* Check result */
 	if( cs < 
 /* #line 466 "./src/parsers/tsdp_parser_message.c" */
 34
 /* #line 279 "./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;
 }