| 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_header_E.c
* @brief SDP "e=" header (Session Information).
*/
#include "tinysdp/headers/tsdp_header_E.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
#include "tsk_string.h"
#include <string.h>
/***********************************
* Ragel state machine.
*/
/* #line 55 "./ragel/tsdp_parser_header_E.rl" */
tsdp_header_E_t* tsdp_header_E_create(const char* value)
{
return tsk_object_new(TSDP_HEADER_E_VA_ARGS(value));
}
tsdp_header_E_t* tsdp_header_E_create_null()
{
return tsdp_header_E_create(tsk_null);
}
int tsdp_header_E_tostring(const tsdp_header_t* header, tsk_buffer_t* output)
{
if(header){
const tsdp_header_E_t *E = (const tsdp_header_E_t *)header;
if(E->value){
tsk_buffer_append(output, E->value, tsk_strlen(E->value));
}
return 0;
}
return -1;
}
tsdp_header_t* tsdp_header_E_clone(const tsdp_header_t* header)
{
if(header){
const tsdp_header_E_t *E = (const tsdp_header_E_t *)header;
return (tsdp_header_t*)tsdp_header_E_create(E->value);
}
return tsk_null;
}
tsdp_header_E_t *tsdp_header_E_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_E_t *hdr_E = tsdp_header_E_create_null();
const char *tag_start = tsk_null;
TSK_RAGEL_DISABLE_WARNINGS_BEGIN()
/* #line 89 "./src/headers/tsdp_header_E.c" */
static const char _tsdp_machine_parser_header_E_actions[] = {
0, 1, 0, 1, 1, 2, 0, 1
};
static const char _tsdp_machine_parser_header_E_key_offsets[] = {
0, 0, 1, 3, 4, 6, 7
};
static const char _tsdp_machine_parser_header_E_trans_keys[] = {
101, 32, 61, 10, 13, 32, 13, 0
};
static const char _tsdp_machine_parser_header_E_single_lengths[] = {
0, 1, 2, 1, 2, 1, 0
};
static const char _tsdp_machine_parser_header_E_range_lengths[] = {
0, 0, 0, 0, 0, 0, 0
};
static const char _tsdp_machine_parser_header_E_index_offsets[] = {
0, 0, 2, 5, 7, 10, 12
};
static const char _tsdp_machine_parser_header_E_trans_targs[] = {
2, 0, 2, 4, 0, 6, 0, 3,
4, 5, 3, 5, 0, 0
};
static const char _tsdp_machine_parser_header_E_trans_actions[] = {
0, 0, 0, 0, 0, 0, 0, 5,
0, 1, 3, 0, 0, 0
};
static const char _tsdp_machine_parser_header_E_eof_actions[] = {
0, 0, 0, 0, 5, 3, 0
};
static const int tsdp_machine_parser_header_E_start = 1;
static const int tsdp_machine_parser_header_E_first_final = 4;
static const int tsdp_machine_parser_header_E_error = 0;
static const int tsdp_machine_parser_header_E_en_main = 1;
/* #line 103 "./ragel/tsdp_parser_header_E.rl" */
(void)(tsdp_machine_parser_header_E_first_final);
(void)(tsdp_machine_parser_header_E_error);
(void)(tsdp_machine_parser_header_E_en_main);
/* #line 141 "./src/headers/tsdp_header_E.c" */
{
cs = tsdp_machine_parser_header_E_start;
}
/* #line 107 "./ragel/tsdp_parser_header_E.rl" */
/* #line 148 "./src/headers/tsdp_header_E.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_E_trans_keys + _tsdp_machine_parser_header_E_key_offsets[cs];
_trans = _tsdp_machine_parser_header_E_index_offsets[cs];
_klen = _tsdp_machine_parser_header_E_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_E_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_E_trans_targs[_trans];
if ( _tsdp_machine_parser_header_E_trans_actions[_trans] == 0 )
goto _again;
_acts = _tsdp_machine_parser_header_E_actions + _tsdp_machine_parser_header_E_trans_actions[_trans];
_nacts = (unsigned int) *_acts++;
while ( _nacts-- > 0 )
{
switch ( *_acts++ )
{
case 0:
/* #line 42 "./ragel/tsdp_parser_header_E.rl" */
{
tag_start = p;
}
break;
case 1:
/* #line 46 "./ragel/tsdp_parser_header_E.rl" */
{
TSK_PARSER_SET_STRING(hdr_E->value);
}
break;
/* #line 233 "./src/headers/tsdp_header_E.c" */
}
}
_again:
if ( cs == 0 )
goto _out;
if ( ++p != pe )
goto _resume;
_test_eof: {}
if ( p == eof )
{
const char *__acts = _tsdp_machine_parser_header_E_actions + _tsdp_machine_parser_header_E_eof_actions[cs];
unsigned int __nacts = (unsigned int) *__acts++;
while ( __nacts-- > 0 ) {
switch ( *__acts++ ) {
case 0:
/* #line 42 "./ragel/tsdp_parser_header_E.rl" */
{
tag_start = p;
}
break;
case 1:
/* #line 46 "./ragel/tsdp_parser_header_E.rl" */
{
TSK_PARSER_SET_STRING(hdr_E->value);
}
break;
/* #line 261 "./src/headers/tsdp_header_E.c" */
}
}
}
_out: {}
}
/* #line 108 "./ragel/tsdp_parser_header_E.rl" */
TSK_RAGEL_DISABLE_WARNINGS_END()
if( cs <
/* #line 273 "./src/headers/tsdp_header_E.c" */
4
/* #line 110 "./ragel/tsdp_parser_header_E.rl" */
){
TSK_DEBUG_ERROR("Failed to parse \"e=\" header.");
TSK_OBJECT_SAFE_FREE(hdr_E);
}
return hdr_E;
}
//========================================================
// E header object definition
//
static tsk_object_t* tsdp_header_E_ctor(tsk_object_t *self, va_list * app)
{
tsdp_header_E_t *E = self;
if(E){
TSDP_HEADER(E)->type = tsdp_htype_E;
TSDP_HEADER(E)->tostring = tsdp_header_E_tostring;
TSDP_HEADER(E)->clone = tsdp_header_E_clone;
TSDP_HEADER(E)->rank = TSDP_HTYPE_E_RANK;
E->value = tsk_strdup(va_arg(*app, const char*));
}
else{
TSK_DEBUG_ERROR("Failed to create new E header.");
}
return self;
}
static tsk_object_t* tsdp_header_E_dtor(tsk_object_t *self)
{
tsdp_header_E_t *E = self;
if(E){
TSK_FREE(E->value);
}
else{
TSK_DEBUG_ERROR("Null E header.");
}
return self;
}
static int tsdp_header_E_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_E_def_s =
{
sizeof(tsdp_header_E_t),
tsdp_header_E_ctor,
tsdp_header_E_dtor,
tsdp_header_E_cmp
};
const tsk_object_def_t *tsdp_header_E_def_t = &tsdp_header_E_def_s; |