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

/* #line 1 "tsip_parser_header_Content_Length.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_Content_Length.c
 * @brief SIP Content-Length/l header.
 *
 * @author Mamadou Diop <diopmamadou(at)yahoo.fr>
 *
 * @date Created: Sat Nov 8 16:54:58 2009 mdiop
 */
#include "tinysip/headers/tsip_header_Content_Length.h"

#include "tsk_debug.h"
#include "tsk_memory.h"

/**@defgroup tsip_header_Content_Length_group SIP Content_Length header.
*/

/***********************************
*	Ragel state machine.
*/

/* #line 66 "tsip_parser_header_Content_Length.rl" */


int tsip_header_Content_Length_tostring(const void* header, tsk_buffer_t* output)
{
	if(header)
	{
		const tsip_header_Content_Length_t *Content_Length = header;		
		return tsk_buffer_appendEx(output, "%d", Content_Length->length);
	}

	return -1;
}

tsip_header_Content_Length_t *tsip_header_Content_Length_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_Content_Length_t *hdr_clength = TSIP_HEADER_CONTENT_LENGTH_CREATE(0);
	
	const char *tag_start;

	
/* #line 70 "../src/headers/tsip_header_Content_Length.c" */
static const char _tsip_machine_parser_header_Content_Length_actions[] = {
	0, 1, 0, 1, 1, 1, 2
};

static const char _tsip_machine_parser_header_Content_Length_key_offsets[] = {
	0, 0, 4, 6, 8, 10, 12, 14, 
	16, 17, 19, 21, 23, 25, 27, 29, 
	32, 37, 38, 40, 44, 47, 48
};

static const char _tsip_machine_parser_header_Content_Length_trans_keys[] = {
	67, 76, 99, 108, 79, 111, 78, 110, 
	84, 116, 69, 101, 78, 110, 84, 116, 
	45, 76, 108, 69, 101, 78, 110, 71, 
	103, 84, 116, 72, 104, 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_Content_Length_single_lengths[] = {
	0, 4, 2, 2, 2, 2, 2, 2, 
	1, 2, 2, 2, 2, 2, 2, 3, 
	3, 1, 2, 2, 1, 1, 0
};

static const char _tsip_machine_parser_header_Content_Length_range_lengths[] = {
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 0, 0, 0, 0, 
	1, 0, 0, 1, 1, 0, 0
};

static const char _tsip_machine_parser_header_Content_Length_index_offsets[] = {
	0, 0, 5, 8, 11, 14, 17, 20, 
	23, 25, 28, 31, 34, 37, 40, 43, 
	47, 52, 54, 57, 61, 64, 66
};

static const char _tsip_machine_parser_header_Content_Length_indicies[] = {
	0, 2, 0, 2, 1, 3, 3, 1, 
	4, 4, 1, 5, 5, 1, 6, 6, 
	1, 7, 7, 1, 8, 8, 1, 9, 
	1, 10, 10, 1, 11, 11, 1, 12, 
	12, 1, 13, 13, 1, 14, 14, 1, 
	2, 2, 1, 2, 2, 15, 1, 15, 
	16, 15, 17, 1, 18, 1, 19, 19, 
	1, 19, 19, 17, 1, 20, 21, 1, 
	22, 1, 1, 0
};

static const char _tsip_machine_parser_header_Content_Length_trans_targs[] = {
	2, 0, 15, 3, 4, 5, 6, 7, 
	8, 9, 10, 11, 12, 13, 14, 16, 
	17, 20, 18, 19, 21, 20, 22
};

static const char _tsip_machine_parser_header_Content_Length_trans_actions[] = {
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 1, 0, 0, 3, 0, 5
};

static const int tsip_machine_parser_header_Content_Length_start = 1;
static const int tsip_machine_parser_header_Content_Length_first_final = 22;
static const int tsip_machine_parser_header_Content_Length_error = 0;

static const int tsip_machine_parser_header_Content_Length_en_main = 1;


/* #line 90 "tsip_parser_header_Content_Length.rl" */
	
/* #line 142 "../src/headers/tsip_header_Content_Length.c" */
	{
	cs = tsip_machine_parser_header_Content_Length_start;
	}

/* #line 91 "tsip_parser_header_Content_Length.rl" */
	
/* #line 149 "../src/headers/tsip_header_Content_Length.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_Content_Length_trans_keys + _tsip_machine_parser_header_Content_Length_key_offsets[cs];
	_trans = _tsip_machine_parser_header_Content_Length_index_offsets[cs];

	_klen = _tsip_machine_parser_header_Content_Length_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_Content_Length_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_Content_Length_indicies[_trans];
	cs = _tsip_machine_parser_header_Content_Length_trans_targs[_trans];

	if ( _tsip_machine_parser_header_Content_Length_trans_actions[_trans] == 0 )
		goto _again;

	_acts = _tsip_machine_parser_header_Content_Length_actions + _tsip_machine_parser_header_Content_Length_trans_actions[_trans];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 )
	{
		switch ( *_acts++ )
		{
	case 0:
/* #line 48 "tsip_parser_header_Content_Length.rl" */
	{
		tag_start = p;
	}
	break;
	case 1:
/* #line 53 "tsip_parser_header_Content_Length.rl" */
	{
		TSK_PARSER_SET_INTEGER(hdr_clength->length);
	}
	break;
	case 2:
/* #line 58 "tsip_parser_header_Content_Length.rl" */
	{
	}
	break;
/* #line 240 "../src/headers/tsip_header_Content_Length.c" */
		}
	}

_again:
	if ( cs == 0 )
		goto _out;
	if ( ++p != pe )
		goto _resume;
	_test_eof: {}
	_out: {}
	}

/* #line 92 "tsip_parser_header_Content_Length.rl" */
	
	if( cs < 
/* #line 256 "../src/headers/tsip_header_Content_Length.c" */
22
/* #line 93 "tsip_parser_header_Content_Length.rl" */
 )
	{
		TSK_OBJECT_SAFE_FREE(hdr_clength);
	}
	
	return hdr_clength;
}







//========================================================
//	Content_Length header object definition
//

static void* tsip_header_Content_Length_create(void *self, va_list * app)
{
	tsip_header_Content_Length_t *Content_Length = self;
	if(Content_Length)
	{
		Content_Length->length = va_arg(*app, uint32_t);

		TSIP_HEADER(Content_Length)->type = tsip_htype_Content_Length;
		TSIP_HEADER(Content_Length)->tostring = tsip_header_Content_Length_tostring;
	}
	else
	{
		TSK_DEBUG_ERROR("Failed to create new Content_Length header.");
	}
	return self;
}

static void* tsip_header_Content_Length_destroy(void *self)
{
	tsip_header_Content_Length_t *Content_Length = self;
	if(Content_Length)
	{
		TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Content_Length));
	}
	else TSK_DEBUG_ERROR("Null Content_Length header.");

	return self;
}

static const tsk_object_def_t tsip_header_Content_Length_def_s = 
{
	sizeof(tsip_header_Content_Length_t),
	tsip_header_Content_Length_create,
	tsip_header_Content_Length_destroy,
	0
};
const void *tsip_header_Content_Length_def_t = &tsip_header_Content_Length_def_s;