299 lines
6.5 KiB
C
299 lines
6.5 KiB
C
|
|
/* #line 1 "tsdp_parser_header_U.rl" */
|
|
/*
|
|
* Copyright (C) 2009 Mamadou Diop.
|
|
*
|
|
* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
|
|
*
|
|
* 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_U.c
|
|
* @brief SDP "u=" header (URI).
|
|
*
|
|
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
|
|
*
|
|
* @date Created: Uat Nov 8 16:54:58 2009 mdiop
|
|
*/
|
|
#include "tinySDP/headers/tsdp_header_U.h"
|
|
|
|
#include "tsk_debug.h"
|
|
#include "tsk_memory.h"
|
|
#include "tsk_string.h"
|
|
|
|
#include <string.h>
|
|
|
|
/***********************************
|
|
* Ragel state machine.
|
|
*/
|
|
|
|
/* #line 63 "tsdp_parser_header_U.rl" */
|
|
|
|
|
|
int tsdp_header_U_tostring(const tsdp_header_t* header, tsk_buffer_t* output)
|
|
{
|
|
if(header)
|
|
{
|
|
const tsdp_header_U_t *U = (const tsdp_header_U_t *)header;
|
|
if(U->value){
|
|
tsk_buffer_append(output, U->value, strlen(U->value));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
tsdp_header_U_t *tsdp_header_U_parse(const char *data, size_t size)
|
|
{
|
|
int cs = 0;
|
|
const char *p = data;
|
|
const char *pe = p + size;
|
|
const char *eof = pe;
|
|
tsdp_header_U_t *hdr_U = TSDP_HEADER_U_CREATE_NULL();
|
|
|
|
const char *tag_start;
|
|
|
|
|
|
/* #line 73 "../src/headers/tsdp_header_U.c" */
|
|
static const char _tsdp_machine_parser_header_U_actions[] = {
|
|
0, 1, 0, 1, 1, 1, 2, 2,
|
|
0, 1
|
|
};
|
|
|
|
static const char _tsdp_machine_parser_header_U_key_offsets[] = {
|
|
0, 0, 1, 3, 5, 6, 7
|
|
};
|
|
|
|
static const char _tsdp_machine_parser_header_U_trans_keys[] = {
|
|
117, 32, 61, 13, 32, 13, 10, 0
|
|
};
|
|
|
|
static const char _tsdp_machine_parser_header_U_single_lengths[] = {
|
|
0, 1, 2, 2, 1, 1, 0
|
|
};
|
|
|
|
static const char _tsdp_machine_parser_header_U_range_lengths[] = {
|
|
0, 0, 0, 0, 0, 0, 0
|
|
};
|
|
|
|
static const char _tsdp_machine_parser_header_U_index_offsets[] = {
|
|
0, 0, 2, 5, 8, 10, 12
|
|
};
|
|
|
|
static const char _tsdp_machine_parser_header_U_trans_targs[] = {
|
|
2, 0, 2, 3, 0, 5, 3, 4,
|
|
5, 4, 6, 0, 0, 0
|
|
};
|
|
|
|
static const char _tsdp_machine_parser_header_U_trans_actions[] = {
|
|
0, 0, 0, 0, 0, 7, 0, 1,
|
|
3, 0, 5, 0, 0, 0
|
|
};
|
|
|
|
static const int tsdp_machine_parser_header_U_start = 1;
|
|
static const int tsdp_machine_parser_header_U_first_final = 6;
|
|
static const int tsdp_machine_parser_header_U_error = 0;
|
|
|
|
static const int tsdp_machine_parser_header_U_en_main = 1;
|
|
|
|
|
|
/* #line 90 "tsdp_parser_header_U.rl" */
|
|
|
|
/* #line 118 "../src/headers/tsdp_header_U.c" */
|
|
{
|
|
cs = tsdp_machine_parser_header_U_start;
|
|
}
|
|
|
|
/* #line 91 "tsdp_parser_header_U.rl" */
|
|
|
|
/* #line 125 "../src/headers/tsdp_header_U.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_parser_header_U_trans_keys + _tsdp_machine_parser_header_U_key_offsets[cs];
|
|
_trans = _tsdp_machine_parser_header_U_index_offsets[cs];
|
|
|
|
_klen = _tsdp_machine_parser_header_U_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_parser_header_U_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_parser_header_U_trans_targs[_trans];
|
|
|
|
if ( _tsdp_machine_parser_header_U_trans_actions[_trans] == 0 )
|
|
goto _again;
|
|
|
|
_acts = _tsdp_machine_parser_header_U_actions + _tsdp_machine_parser_header_U_trans_actions[_trans];
|
|
_nacts = (unsigned int) *_acts++;
|
|
while ( _nacts-- > 0 )
|
|
{
|
|
switch ( *_acts++ )
|
|
{
|
|
case 0:
|
|
/* #line 47 "tsdp_parser_header_U.rl" */
|
|
{
|
|
tag_start = p;
|
|
}
|
|
break;
|
|
case 1:
|
|
/* #line 51 "tsdp_parser_header_U.rl" */
|
|
{
|
|
TSK_PARSER_SET_STRING(hdr_U->value);
|
|
}
|
|
break;
|
|
case 2:
|
|
/* #line 55 "tsdp_parser_header_U.rl" */
|
|
{
|
|
}
|
|
break;
|
|
/* #line 215 "../src/headers/tsdp_header_U.c" */
|
|
}
|
|
}
|
|
|
|
_again:
|
|
if ( cs == 0 )
|
|
goto _out;
|
|
if ( ++p != pe )
|
|
goto _resume;
|
|
_test_eof: {}
|
|
_out: {}
|
|
}
|
|
|
|
/* #line 92 "tsdp_parser_header_U.rl" */
|
|
|
|
if( cs <
|
|
/* #line 231 "../src/headers/tsdp_header_U.c" */
|
|
6
|
|
/* #line 93 "tsdp_parser_header_U.rl" */
|
|
){
|
|
TSK_DEBUG_ERROR("Failed to parse \"u=\" header.");
|
|
TSK_OBJECT_SAFE_FREE(hdr_U);
|
|
}
|
|
|
|
return hdr_U;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//========================================================
|
|
// U header object definition
|
|
//
|
|
|
|
static void* tsdp_header_U_create(void *self, va_list * app)
|
|
{
|
|
tsdp_header_U_t *U = self;
|
|
if(U)
|
|
{
|
|
TSDP_HEADER(U)->type = tsdp_htype_U;
|
|
TSDP_HEADER(U)->tostring = tsdp_header_U_tostring;
|
|
TSDP_HEADER(U)->rank = TSDP_HTYPE_U_RANK;
|
|
|
|
U->value = tsk_strdup(va_arg(*app, const char*));
|
|
}
|
|
else{
|
|
TSK_DEBUG_ERROR("Failed to create new U header.");
|
|
}
|
|
return self;
|
|
}
|
|
|
|
static void* tsdp_header_U_destroy(void *self)
|
|
{
|
|
tsdp_header_U_t *U = self;
|
|
if(U){
|
|
TSK_FREE(U->value);
|
|
}
|
|
else{
|
|
TSK_DEBUG_ERROR("Null U header.");
|
|
}
|
|
|
|
return self;
|
|
}
|
|
static int tsdp_header_U_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_U_def_s =
|
|
{
|
|
sizeof(tsdp_header_U_t),
|
|
tsdp_header_U_create,
|
|
tsdp_header_U_destroy,
|
|
tsdp_header_U_cmp
|
|
};
|
|
|
|
const void *tsdp_header_U_def_t = &tsdp_header_U_def_s;
|