478 lines
12 KiB
C
478 lines
12 KiB
C
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/* #line 1 "./ragel/tsdp_parser_message.rl" */
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/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tsdp_machine_message.rl
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* @brief Ragel file.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tinysdp/parsers/tsdp_parser_message.h"
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#include "tinysdp/headers/tsdp_header_A.h"
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#include "tinysdp/headers/tsdp_header_B.h"
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#include "tinysdp/headers/tsdp_header_C.h"
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#include "tinysdp/headers/tsdp_header_Dummy.h"
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#include "tinysdp/headers/tsdp_header_E.h"
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#include "tinysdp/headers/tsdp_header_I.h"
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#include "tinysdp/headers/tsdp_header_K.h"
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#include "tinysdp/headers/tsdp_header_M.h"
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#include "tinysdp/headers/tsdp_header_O.h"
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#include "tinysdp/headers/tsdp_header_P.h"
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#include "tinysdp/headers/tsdp_header_R.h"
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#include "tinysdp/headers/tsdp_header_S.h"
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#include "tinysdp/headers/tsdp_header_T.h"
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#include "tinysdp/headers/tsdp_header_U.h"
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#include "tinysdp/headers/tsdp_header_V.h"
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#include "tinysdp/headers/tsdp_header_Z.h"
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#include "tsk_debug.h"
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/* #line 244 "./ragel/tsdp_parser_message.rl" */
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/* Ragel data */
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/* #line 59 "./src/parsers/tsdp_parser_message.c" */
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static const char _tsdp_machine_message_actions[] = {
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0, 1, 0, 1, 1, 1, 2, 1,
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3, 1, 4, 1, 5, 1, 6, 1,
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7, 1, 8, 1, 9, 1, 10, 1,
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11, 1, 12, 1, 13, 1, 14, 1,
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15, 1, 16
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};
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static const char _tsdp_machine_message_key_offsets[] = {
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0, 0, 2, 3, 4, 6, 7, 9,
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10, 12, 13, 15, 16, 18, 19, 21,
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22, 24, 25, 27, 28, 30, 31, 33,
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34, 36, 37, 39, 40, 42, 43, 45,
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46, 48, 49
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};
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static const char _tsdp_machine_message_trans_keys[] = {
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32, 61, 13, 10, 32, 61, 13, 32,
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61, 13, 32, 61, 13, 32, 61, 13,
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32, 61, 13, 32, 61, 13, 32, 61,
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13, 32, 61, 13, 32, 61, 13, 32,
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61, 13, 32, 61, 13, 32, 61, 13,
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32, 61, 13, 32, 61, 13, 32, 61,
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13, 65, 66, 67, 69, 73, 75, 77,
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79, 80, 82, 83, 84, 85, 86, 90,
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97, 98, 99, 101, 105, 107, 109, 111,
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112, 114, 115, 116, 117, 118, 122, 68,
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89, 100, 121, 0
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};
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static const char _tsdp_machine_message_single_lengths[] = {
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0, 2, 1, 1, 2, 1, 2, 1,
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2, 1, 2, 1, 2, 1, 2, 1,
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2, 1, 2, 1, 2, 1, 2, 1,
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2, 1, 2, 1, 2, 1, 2, 1,
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2, 1, 30
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};
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static const char _tsdp_machine_message_range_lengths[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 2
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};
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static const char _tsdp_machine_message_index_offsets[] = {
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0, 0, 3, 5, 7, 10, 12, 15,
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17, 20, 22, 25, 27, 30, 32, 35,
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37, 40, 42, 45, 47, 50, 52, 55,
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57, 60, 62, 65, 67, 70, 72, 75,
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77, 80, 82
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};
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static const char _tsdp_machine_message_trans_targs[] = {
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1, 2, 0, 3, 2, 34, 0, 4,
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5, 0, 3, 5, 6, 7, 0, 3,
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7, 8, 9, 0, 3, 9, 10, 11,
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0, 3, 11, 12, 13, 0, 3, 13,
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14, 15, 0, 3, 15, 16, 17, 0,
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3, 17, 18, 19, 0, 3, 19, 20,
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21, 0, 3, 21, 22, 23, 0, 3,
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23, 24, 25, 0, 3, 25, 26, 27,
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0, 3, 27, 28, 29, 0, 3, 29,
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30, 31, 0, 3, 31, 32, 33, 0,
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3, 33, 1, 4, 6, 10, 12, 14,
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16, 18, 20, 22, 24, 26, 28, 30,
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32, 1, 4, 6, 10, 12, 14, 16,
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18, 20, 22, 24, 26, 28, 30, 32,
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8, 8, 0, 0
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};
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static const char _tsdp_machine_message_trans_actions[] = {
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0, 0, 0, 3, 0, 0, 0, 0,
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0, 0, 5, 0, 0, 0, 0, 7,
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0, 0, 0, 0, 9, 0, 0, 0,
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0, 11, 0, 0, 0, 0, 13, 0,
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0, 0, 0, 15, 0, 0, 0, 0,
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17, 0, 0, 0, 0, 19, 0, 0,
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0, 0, 21, 0, 0, 0, 0, 23,
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0, 0, 0, 0, 25, 0, 0, 0,
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0, 27, 0, 0, 0, 0, 29, 0,
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0, 0, 0, 31, 0, 0, 0, 0,
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33, 0, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 0, 0
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};
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static const int tsdp_machine_message_start = 34;
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static const int tsdp_machine_message_first_final = 34;
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static const int tsdp_machine_message_error = 0;
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static const int tsdp_machine_message_en_main = 34;
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/* #line 248 "./ragel/tsdp_parser_message.rl" */
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tsdp_message_t* tsdp_message_parse(const void *input, size_t size)
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{
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tsdp_message_t* sdp_msg = tsk_null;
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const char* tag_start = tsk_null;
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tsdp_header_t *header = tsk_null;
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tsdp_header_T_t *hdr_T = tsk_null;
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tsdp_header_M_t *hdr_M = tsk_null;
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/* Ragel variables */
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int cs = 0;
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const char* p = input;
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const char* pe = p + size;
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const char* eof = tsk_null;
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if(!input || !size){
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TSK_DEBUG_ERROR("Null or empty buffer.");
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goto bail;
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}
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if(!(sdp_msg = tsdp_message_create())){
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goto bail;
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}
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/* Ragel init */
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/* #line 184 "./src/parsers/tsdp_parser_message.c" */
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{
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cs = tsdp_machine_message_start;
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}
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/* #line 274 "./ragel/tsdp_parser_message.rl" */
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/* Ragel execute */
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/* #line 193 "./src/parsers/tsdp_parser_message.c" */
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{
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int _klen;
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unsigned int _trans;
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const char *_acts;
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unsigned int _nacts;
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const char *_keys;
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if ( p == pe )
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goto _test_eof;
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if ( cs == 0 )
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goto _out;
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_resume:
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_keys = _tsdp_machine_message_trans_keys + _tsdp_machine_message_key_offsets[cs];
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_trans = _tsdp_machine_message_index_offsets[cs];
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_klen = _tsdp_machine_message_single_lengths[cs];
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if ( _klen > 0 ) {
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const char *_lower = _keys;
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const char *_mid;
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const char *_upper = _keys + _klen - 1;
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while (1) {
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if ( _upper < _lower )
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break;
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_mid = _lower + ((_upper-_lower) >> 1);
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if ( (*p) < *_mid )
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_upper = _mid - 1;
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else if ( (*p) > *_mid )
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_lower = _mid + 1;
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else {
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_trans += (_mid - _keys);
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goto _match;
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}
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}
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_keys += _klen;
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_trans += _klen;
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}
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_klen = _tsdp_machine_message_range_lengths[cs];
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if ( _klen > 0 ) {
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const char *_lower = _keys;
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const char *_mid;
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const char *_upper = _keys + (_klen<<1) - 2;
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while (1) {
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if ( _upper < _lower )
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break;
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_mid = _lower + (((_upper-_lower) >> 1) & ~1);
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if ( (*p) < _mid[0] )
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_upper = _mid - 2;
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else if ( (*p) > _mid[1] )
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_lower = _mid + 2;
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else {
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_trans += ((_mid - _keys)>>1);
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goto _match;
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}
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}
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_trans += _klen;
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}
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_match:
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cs = _tsdp_machine_message_trans_targs[_trans];
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if ( _tsdp_machine_message_trans_actions[_trans] == 0 )
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goto _again;
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_acts = _tsdp_machine_message_actions + _tsdp_machine_message_trans_actions[_trans];
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_nacts = (unsigned int) *_acts++;
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while ( _nacts-- > 0 )
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{
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switch ( *_acts++ )
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{
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case 0:
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/* #line 58 "./ragel/tsdp_parser_message.rl" */
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{
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tag_start = p;
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}
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break;
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case 1:
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/* #line 65 "./ragel/tsdp_parser_message.rl" */
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{
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if(hdr_M){
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if(!hdr_M->Attributes){
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hdr_M->Attributes = tsk_list_create();
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}
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if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){
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tsk_list_push_back_data(hdr_M->Attributes, (void**)&header);
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}
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}
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else if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 2:
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/* #line 80 "./ragel/tsdp_parser_message.rl" */
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{
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if(hdr_M){
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if(!hdr_M->Bandwidths){
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hdr_M->Bandwidths = tsk_list_create();
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}
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if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){
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tsk_list_push_back_data(hdr_M->Bandwidths, (void**)&header);
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}
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}
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else if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 3:
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/* #line 95 "./ragel/tsdp_parser_message.rl" */
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{
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if(hdr_M && !hdr_M->C){
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hdr_M->C = tsdp_header_C_parse(tag_start, (p - tag_start));
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}
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else if((header = (tsdp_header_t*)tsdp_header_C_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 4:
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/* #line 105 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_Dummy_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 5:
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/* #line 112 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_E_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 6:
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/* #line 119 "./ragel/tsdp_parser_message.rl" */
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{
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if(hdr_M && !hdr_M->I){
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hdr_M->I = tsdp_header_I_parse(tag_start, (p - tag_start));
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}
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else if((header = (tsdp_header_t*)tsdp_header_I_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 7:
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/* #line 129 "./ragel/tsdp_parser_message.rl" */
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{
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if(hdr_M && !hdr_M->K){
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hdr_M->K = tsdp_header_K_parse(tag_start, (p - tag_start));
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}
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else if((header = (tsdp_header_t*)tsdp_header_K_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 8:
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/* #line 139 "./ragel/tsdp_parser_message.rl" */
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{
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if((hdr_M = tsdp_header_M_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_M));
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hdr_M = tsk_object_unref(hdr_M);
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}
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}
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break;
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case 9:
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/* #line 146 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_O_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 10:
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/* #line 153 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_P_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 11:
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/* #line 160 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_R_parse(tag_start, (p - tag_start)))){
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if(hdr_T){
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if(!hdr_T->repeat_fields){
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hdr_T->repeat_fields = tsk_list_create();
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}
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tsk_list_push_back_data(hdr_T->repeat_fields, (void**)&header);
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}
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else{
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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}
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break;
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case 12:
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/* #line 175 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_S_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 13:
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/* #line 182 "./ragel/tsdp_parser_message.rl" */
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{
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if((hdr_T = tsdp_header_T_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_T));
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hdr_T = tsk_object_unref(hdr_T);
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}
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}
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break;
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case 14:
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/* #line 189 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_U_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 15:
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/* #line 196 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_V_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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case 16:
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/* #line 203 "./ragel/tsdp_parser_message.rl" */
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{
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if((header = (tsdp_header_t*)tsdp_header_Z_parse(tag_start, (p - tag_start)))){
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tsdp_message_add_header(sdp_msg, header);
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tsk_object_unref(header);
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}
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}
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break;
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/* #line 449 "./src/parsers/tsdp_parser_message.c" */
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}
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}
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_again:
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if ( cs == 0 )
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goto _out;
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if ( ++p != pe )
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goto _resume;
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_test_eof: {}
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_out: {}
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}
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/* #line 277 "./ragel/tsdp_parser_message.rl" */
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/* Check result */
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if( cs <
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/* #line 466 "./src/parsers/tsdp_parser_message.c" */
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34
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/* #line 279 "./ragel/tsdp_parser_message.rl" */
|
|
)
|
|
{
|
|
TSK_DEBUG_ERROR("Failed to parse SDP message.");
|
|
TSK_OBJECT_SAFE_FREE(sdp_msg);
|
|
goto bail;
|
|
}
|
|
|
|
bail:
|
|
return sdp_msg;
|
|
}
|