doubango/trunk/tinySIP/src/headers/tsip_header_Expires.c

306 lines
7.2 KiB
C

/* #line 1 "tsip_parser_header_Expires.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 tsip_header_Expires.c
* @brief SIP Expires header.
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
* @date Created: Sat Nov 8 16:54:58 2009 mdiop
*/
#include "tinysip/headers/tsip_header_Expires.h"
#include "tinysip/parsers/tsip_parser_uri.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
/**@defgroup tsip_header_Expires_group SIP Expires header.
*/
/***********************************
* Ragel state machine.
*/
/* #line 68 "tsip_parser_header_Expires.rl" */
int tsip_header_Expires_tostring(const void* header, tsk_buffer_t* output)
{
if(header)
{
const tsip_header_Expires_t *Expires = header;
if(Expires->delta_seconds >=0)
{
return tsk_buffer_appendEx(output, "%d", Expires->delta_seconds);
}
}
return -1;
}
tsip_header_Expires_t *tsip_header_Expires_parse(const char *data, size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tsip_header_Expires_t *hdr_expires = TSIP_HEADER_EXPIRES_CREATE(TSIP_HEADER_EXPIRES_NONE);
const char *tag_start;
/* #line 75 "../src/headers/tsip_header_Expires.c" */
static const char _tsip_machine_parser_header_Expires_actions[] = {
0, 1, 0, 1, 1, 1, 2
};
static const char _tsip_machine_parser_header_Expires_key_offsets[] = {
0, 0, 2, 4, 6, 8, 10, 12,
14, 17, 22, 23, 25, 29, 32, 33
};
static const char _tsip_machine_parser_header_Expires_trans_keys[] = {
69, 101, 88, 120, 80, 112, 73, 105,
82, 114, 69, 101, 83, 115, 9, 32,
58, 9, 13, 32, 48, 57, 10, 9,
32, 9, 32, 48, 57, 13, 48, 57,
10, 0
};
static const char _tsip_machine_parser_header_Expires_single_lengths[] = {
0, 2, 2, 2, 2, 2, 2, 2,
3, 3, 1, 2, 2, 1, 1, 0
};
static const char _tsip_machine_parser_header_Expires_range_lengths[] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 0, 1, 1, 0, 0
};
static const char _tsip_machine_parser_header_Expires_index_offsets[] = {
0, 0, 3, 6, 9, 12, 15, 18,
21, 25, 30, 32, 35, 39, 42, 44
};
static const char _tsip_machine_parser_header_Expires_indicies[] = {
0, 0, 1, 2, 2, 1, 3, 3,
1, 4, 4, 1, 5, 5, 1, 6,
6, 1, 7, 7, 1, 7, 7, 8,
1, 8, 9, 8, 10, 1, 11, 1,
12, 12, 1, 12, 12, 10, 1, 13,
14, 1, 15, 1, 1, 0
};
static const char _tsip_machine_parser_header_Expires_trans_targs[] = {
2, 0, 3, 4, 5, 6, 7, 8,
9, 10, 13, 11, 12, 14, 13, 15
};
static const char _tsip_machine_parser_header_Expires_trans_actions[] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 3, 0, 5
};
static const int tsip_machine_parser_header_Expires_start = 1;
static const int tsip_machine_parser_header_Expires_first_final = 15;
static const int tsip_machine_parser_header_Expires_error = 0;
static const int tsip_machine_parser_header_Expires_en_main = 1;
/* #line 95 "tsip_parser_header_Expires.rl" */
/* #line 136 "../src/headers/tsip_header_Expires.c" */
{
cs = tsip_machine_parser_header_Expires_start;
}
/* #line 96 "tsip_parser_header_Expires.rl" */
/* #line 143 "../src/headers/tsip_header_Expires.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 = _tsip_machine_parser_header_Expires_trans_keys + _tsip_machine_parser_header_Expires_key_offsets[cs];
_trans = _tsip_machine_parser_header_Expires_index_offsets[cs];
_klen = _tsip_machine_parser_header_Expires_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 = _tsip_machine_parser_header_Expires_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:
_trans = _tsip_machine_parser_header_Expires_indicies[_trans];
cs = _tsip_machine_parser_header_Expires_trans_targs[_trans];
if ( _tsip_machine_parser_header_Expires_trans_actions[_trans] == 0 )
goto _again;
_acts = _tsip_machine_parser_header_Expires_actions + _tsip_machine_parser_header_Expires_trans_actions[_trans];
_nacts = (unsigned int) *_acts++;
while ( _nacts-- > 0 )
{
switch ( *_acts++ )
{
case 0:
/* #line 50 "tsip_parser_header_Expires.rl" */
{
tag_start = p;
}
break;
case 1:
/* #line 55 "tsip_parser_header_Expires.rl" */
{
TSK_PARSER_SET_INTEGER(hdr_expires->delta_seconds);
}
break;
case 2:
/* #line 60 "tsip_parser_header_Expires.rl" */
{
}
break;
/* #line 234 "../src/headers/tsip_header_Expires.c" */
}
}
_again:
if ( cs == 0 )
goto _out;
if ( ++p != pe )
goto _resume;
_test_eof: {}
_out: {}
}
/* #line 97 "tsip_parser_header_Expires.rl" */
if( cs <
/* #line 250 "../src/headers/tsip_header_Expires.c" */
15
/* #line 98 "tsip_parser_header_Expires.rl" */
)
{
TSK_OBJECT_SAFE_FREE(hdr_expires);
}
return hdr_expires;
}
//========================================================
// Expires header object definition
//
static void* tsip_header_Expires_create(void *self, va_list * app)
{
tsip_header_Expires_t *Expires = self;
if(Expires)
{
TSIP_HEADER(Expires)->type = tsip_htype_Expires;
TSIP_HEADER(Expires)->tostring = tsip_header_Expires_tostring;
Expires->delta_seconds = va_arg(*app, int32_t);
}
else
{
TSK_DEBUG_ERROR("Failed to create new Expires header.");
}
return self;
}
static void* tsip_header_Expires_destroy(void *self)
{
tsip_header_Expires_t *Expires = self;
if(Expires)
{
}
else TSK_DEBUG_ERROR("Null Expires header.");
return self;
}
static const tsk_object_def_t tsip_header_Expires_def_s =
{
sizeof(tsip_header_Expires_t),
tsip_header_Expires_create,
tsip_header_Expires_destroy,
0
};
const void *tsip_header_Expires_def_t = &tsip_header_Expires_def_s;