
/* #line 1 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
/*
* Copyright (C) 2009 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)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 tmsrp_header_Byte_Range.c
 * @brief MSRP 'Byte-Range' header.
 *
 * @author Mamadou Diop <diopmamadou(at)yahoo.fr>
 *
 * @date Created: Sat Nov 8 16:54:58 2009 mdiop
 */
#include "tinymsrp/headers/tmsrp_header_Byte-Range.h"

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

#include <string.h>

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

/* #line 82 "./ragel/tmsrp_parser_header_Byte-Range.rl" */


tmsrp_header_Byte_Range_t* tmsrp_header_Byte_Range_create(int64_t start, int64_t end, int64_t total)
{
	return tsk_object_new(TMSRP_HEADER_BYTE_RANGE_VA_ARGS(start, end, total));
}

tmsrp_header_Byte_Range_t* tmsrp_header_Byte_Range_create_null()
{
	return tmsrp_header_Byte_Range_create(1, -1, -1);
}

int tmsrp_header_Byte_Range_tostring(const tmsrp_header_t* header, tsk_buffer_t* output)
{
	if(header){
		const tmsrp_header_Byte_Range_t *Byte_Range = (const tmsrp_header_Byte_Range_t *)header;
		tsk_istr_t start, end, total;

		if(Byte_Range->start>=0){
			tsk_itoa(Byte_Range->start, &start);
		}
		if(Byte_Range->end>=0){
			tsk_itoa(Byte_Range->end, &end);
		}
		if(Byte_Range->total>=0){
			tsk_itoa(Byte_Range->total, &total);
		}
		
		return tsk_buffer_append_2(output, "%s-%s/%s", 
			Byte_Range->start>=0 ? start : "*",
			Byte_Range->end>=0 ? end : "*",
			Byte_Range->total>=0 ? total : "*"
			);
	}

	return -1;
}

tmsrp_header_Byte_Range_t *tmsrp_header_Byte_Range_parse(const char *data, tsk_size_t size)
{
	int cs = 0;
	const char *p = data;
	const char *pe = p + size;
	const char *eof = pe;
	tmsrp_header_Byte_Range_t *hdr_Byte_Range = tmsrp_header_Byte_Range_create_null();

	const char *tag_start;

	
/* #line 95 "./src/headers/tmsrp_header_Byte-Range.c" */
static const char _tmsrp_machine_parser_header_Byte_Range_actions[] = {
	0, 1, 0, 1, 1, 1, 2, 1, 
	3
};

static const char _tmsrp_machine_parser_header_Byte_Range_key_offsets[] = {
	0, 0, 2, 4, 6, 8, 9, 11, 
	13, 15, 17, 19, 20, 21, 23, 26, 
	29, 30, 33, 34, 37, 38, 38
};

static const char _tmsrp_machine_parser_header_Byte_Range_trans_keys[] = {
	66, 98, 89, 121, 84, 116, 69, 101, 
	45, 82, 114, 65, 97, 78, 110, 71, 
	103, 69, 101, 58, 32, 48, 57, 45, 
	48, 57, 42, 48, 57, 47, 42, 48, 
	57, 10, 47, 48, 57, 13, 13, 48, 
	57, 0
};

static const char _tmsrp_machine_parser_header_Byte_Range_single_lengths[] = {
	0, 2, 2, 2, 2, 1, 2, 2, 
	2, 2, 2, 1, 1, 0, 1, 1, 
	1, 1, 1, 1, 1, 0, 1
};

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

static const char _tmsrp_machine_parser_header_Byte_Range_index_offsets[] = {
	0, 0, 3, 6, 9, 12, 14, 17, 
	20, 23, 26, 29, 31, 33, 35, 38, 
	41, 43, 46, 48, 51, 53, 54
};

static const char _tmsrp_machine_parser_header_Byte_Range_indicies[] = {
	0, 0, 1, 2, 2, 1, 3, 3, 
	1, 4, 4, 1, 5, 1, 6, 6, 
	1, 7, 7, 1, 8, 8, 1, 9, 
	9, 1, 10, 10, 1, 11, 1, 12, 
	1, 13, 1, 14, 15, 1, 16, 17, 
	1, 18, 1, 19, 20, 1, 21, 1, 
	18, 22, 1, 23, 1, 1, 23, 24, 
	1, 0
};

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

static const char _tmsrp_machine_parser_header_Byte_Range_trans_actions[] = {
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 0, 1, 3, 0, 
	1, 1, 5, 1, 1, 0, 0, 7, 
	0
};

static const char _tmsrp_machine_parser_header_Byte_Range_eof_actions[] = {
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 0, 0, 0, 0, 
	0, 0, 0, 0, 7, 0, 7
};

static const int tmsrp_machine_parser_header_Byte_Range_start = 1;
static const int tmsrp_machine_parser_header_Byte_Range_first_final = 20;
static const int tmsrp_machine_parser_header_Byte_Range_error = 0;

static const int tmsrp_machine_parser_header_Byte_Range_en_main = 1;


/* #line 131 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	
/* #line 174 "./src/headers/tmsrp_header_Byte-Range.c" */
	{
	cs = tmsrp_machine_parser_header_Byte_Range_start;
	}

/* #line 132 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	
/* #line 181 "./src/headers/tmsrp_header_Byte-Range.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 = _tmsrp_machine_parser_header_Byte_Range_trans_keys + _tmsrp_machine_parser_header_Byte_Range_key_offsets[cs];
	_trans = _tmsrp_machine_parser_header_Byte_Range_index_offsets[cs];

	_klen = _tmsrp_machine_parser_header_Byte_Range_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 = _tmsrp_machine_parser_header_Byte_Range_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 = _tmsrp_machine_parser_header_Byte_Range_indicies[_trans];
	cs = _tmsrp_machine_parser_header_Byte_Range_trans_targs[_trans];

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

	_acts = _tmsrp_machine_parser_header_Byte_Range_actions + _tmsrp_machine_parser_header_Byte_Range_trans_actions[_trans];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 )
	{
		switch ( *_acts++ )
		{
	case 0:
/* #line 47 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	{
		tag_start = p;
	}
	break;
	case 1:
/* #line 51 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	{
		TSK_PARSER_SET_INTEGER_EX(hdr_Byte_Range->start, int64_t, atoi64);
	}
	break;
	case 2:
/* #line 55 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	{
		if(tag_start && *tag_start == '*'){
			hdr_Byte_Range->end = -1;
		}
		else{
			TSK_PARSER_SET_INTEGER_EX(hdr_Byte_Range->end, int64_t, atoi64);
		}
	}
	break;
	case 3:
/* #line 64 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	{
		if(tag_start && *tag_start == '*'){
			hdr_Byte_Range->total = -1;
		}
		else{
			TSK_PARSER_SET_INTEGER_EX(hdr_Byte_Range->total, int64_t, atoi64);
		}
	}
	break;
/* #line 289 "./src/headers/tmsrp_header_Byte-Range.c" */
		}
	}

_again:
	if ( cs == 0 )
		goto _out;
	if ( ++p != pe )
		goto _resume;
	_test_eof: {}
	if ( p == eof )
	{
	const char *__acts = _tmsrp_machine_parser_header_Byte_Range_actions + _tmsrp_machine_parser_header_Byte_Range_eof_actions[cs];
	unsigned int __nacts = (unsigned int) *__acts++;
	while ( __nacts-- > 0 ) {
		switch ( *__acts++ ) {
	case 3:
/* #line 64 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	{
		if(tag_start && *tag_start == '*'){
			hdr_Byte_Range->total = -1;
		}
		else{
			TSK_PARSER_SET_INTEGER_EX(hdr_Byte_Range->total, int64_t, atoi64);
		}
	}
	break;
/* #line 316 "./src/headers/tmsrp_header_Byte-Range.c" */
		}
	}
	}

	_out: {}
	}

/* #line 133 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
	
	if( cs < 
/* #line 327 "./src/headers/tmsrp_header_Byte-Range.c" */
20
/* #line 134 "./ragel/tmsrp_parser_header_Byte-Range.rl" */
 ){
		TSK_DEBUG_ERROR("Failed to parse 'Byte-Range' header.");
		TSK_OBJECT_SAFE_FREE(hdr_Byte_Range);
	}
	
	return hdr_Byte_Range;
}







//========================================================
//	Byte_Range header object definition
//

static tsk_object_t* tmsrp_header_Byte_Range_ctor(tsk_object_t *self, va_list * app)
{
	tmsrp_header_Byte_Range_t *Byte_Range = self;
	if(Byte_Range){
		TMSRP_HEADER(Byte_Range)->type = tmsrp_htype_Byte_Range;
		TMSRP_HEADER(Byte_Range)->tostring = tmsrp_header_Byte_Range_tostring;
		
		Byte_Range->start = va_arg(*app, int64_t);
		Byte_Range->end = va_arg(*app, int64_t);
		Byte_Range->total = va_arg(*app, int64_t);
	}
	else{
		TSK_DEBUG_ERROR("Failed to create new Byte-Range header.");
	}
	return self;
}

static tsk_object_t* tmsrp_header_Byte_Range_dtor(tsk_object_t *self)
{
	tmsrp_header_Byte_Range_t *Byte_Range = self;
	if(Byte_Range){
	}
	else{
		TSK_DEBUG_ERROR("Null Byte-Range header.");
	}

	return self;
}

static const tsk_object_def_t tmsrp_header_Byte_Range_def_s = 
{
	sizeof(tmsrp_header_Byte_Range_t),
	tmsrp_header_Byte_Range_ctor,
	tmsrp_header_Byte_Range_dtor,
	tsk_null
};

const tsk_object_def_t *tmsrp_header_Byte_Range_def_t = &tmsrp_header_Byte_Range_def_s;
