| c732d49e |
* 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;
} |