diff options
Diffstat (limited to 'tinySDP/src/parsers/tsdp_parser_message.c')
| -rw-r--r-- | tinySDP/src/parsers/tsdp_parser_message.c | 477 |
1 files changed, 477 insertions, 0 deletions
diff --git a/tinySDP/src/parsers/tsdp_parser_message.c b/tinySDP/src/parsers/tsdp_parser_message.c new file mode 100644 index 0000000..b2ddb47 --- /dev/null +++ b/tinySDP/src/parsers/tsdp_parser_message.c @@ -0,0 +1,477 @@ +
+/* #line 1 "./ragel/tsdp_parser_message.rl" */
+/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)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_machine_message.rl
+ * @brief Ragel file.
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tinysdp/parsers/tsdp_parser_message.h"
+
+#include "tinysdp/headers/tsdp_header_A.h"
+#include "tinysdp/headers/tsdp_header_B.h"
+#include "tinysdp/headers/tsdp_header_C.h"
+#include "tinysdp/headers/tsdp_header_Dummy.h"
+#include "tinysdp/headers/tsdp_header_E.h"
+#include "tinysdp/headers/tsdp_header_I.h"
+#include "tinysdp/headers/tsdp_header_K.h"
+#include "tinysdp/headers/tsdp_header_M.h"
+#include "tinysdp/headers/tsdp_header_O.h"
+#include "tinysdp/headers/tsdp_header_P.h"
+#include "tinysdp/headers/tsdp_header_R.h"
+#include "tinysdp/headers/tsdp_header_S.h"
+#include "tinysdp/headers/tsdp_header_T.h"
+#include "tinysdp/headers/tsdp_header_U.h"
+#include "tinysdp/headers/tsdp_header_V.h"
+#include "tinysdp/headers/tsdp_header_Z.h"
+
+#include "tsk_debug.h"
+
+
+/* #line 244 "./ragel/tsdp_parser_message.rl" */
+
+
+/* Ragel data */
+
+/* #line 59 "./src/parsers/tsdp_parser_message.c" */
+static const char _tsdp_machine_message_actions[] = {
+ 0, 1, 0, 1, 1, 1, 2, 1,
+ 3, 1, 4, 1, 5, 1, 6, 1,
+ 7, 1, 8, 1, 9, 1, 10, 1,
+ 11, 1, 12, 1, 13, 1, 14, 1,
+ 15, 1, 16
+};
+
+static const char _tsdp_machine_message_key_offsets[] = {
+ 0, 0, 2, 3, 4, 6, 7, 9,
+ 10, 12, 13, 15, 16, 18, 19, 21,
+ 22, 24, 25, 27, 28, 30, 31, 33,
+ 34, 36, 37, 39, 40, 42, 43, 45,
+ 46, 48, 49
+};
+
+static const char _tsdp_machine_message_trans_keys[] = {
+ 32, 61, 13, 10, 32, 61, 13, 32,
+ 61, 13, 32, 61, 13, 32, 61, 13,
+ 32, 61, 13, 32, 61, 13, 32, 61,
+ 13, 32, 61, 13, 32, 61, 13, 32,
+ 61, 13, 32, 61, 13, 32, 61, 13,
+ 32, 61, 13, 32, 61, 13, 32, 61,
+ 13, 65, 66, 67, 69, 73, 75, 77,
+ 79, 80, 82, 83, 84, 85, 86, 90,
+ 97, 98, 99, 101, 105, 107, 109, 111,
+ 112, 114, 115, 116, 117, 118, 122, 68,
+ 89, 100, 121, 0
+};
+
+static const char _tsdp_machine_message_single_lengths[] = {
+ 0, 2, 1, 1, 2, 1, 2, 1,
+ 2, 1, 2, 1, 2, 1, 2, 1,
+ 2, 1, 2, 1, 2, 1, 2, 1,
+ 2, 1, 2, 1, 2, 1, 2, 1,
+ 2, 1, 30
+};
+
+static const char _tsdp_machine_message_range_lengths[] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 2
+};
+
+static const char _tsdp_machine_message_index_offsets[] = {
+ 0, 0, 3, 5, 7, 10, 12, 15,
+ 17, 20, 22, 25, 27, 30, 32, 35,
+ 37, 40, 42, 45, 47, 50, 52, 55,
+ 57, 60, 62, 65, 67, 70, 72, 75,
+ 77, 80, 82
+};
+
+static const char _tsdp_machine_message_trans_targs[] = {
+ 1, 2, 0, 3, 2, 34, 0, 4,
+ 5, 0, 3, 5, 6, 7, 0, 3,
+ 7, 8, 9, 0, 3, 9, 10, 11,
+ 0, 3, 11, 12, 13, 0, 3, 13,
+ 14, 15, 0, 3, 15, 16, 17, 0,
+ 3, 17, 18, 19, 0, 3, 19, 20,
+ 21, 0, 3, 21, 22, 23, 0, 3,
+ 23, 24, 25, 0, 3, 25, 26, 27,
+ 0, 3, 27, 28, 29, 0, 3, 29,
+ 30, 31, 0, 3, 31, 32, 33, 0,
+ 3, 33, 1, 4, 6, 10, 12, 14,
+ 16, 18, 20, 22, 24, 26, 28, 30,
+ 32, 1, 4, 6, 10, 12, 14, 16,
+ 18, 20, 22, 24, 26, 28, 30, 32,
+ 8, 8, 0, 0
+};
+
+static const char _tsdp_machine_message_trans_actions[] = {
+ 0, 0, 0, 3, 0, 0, 0, 0,
+ 0, 0, 5, 0, 0, 0, 0, 7,
+ 0, 0, 0, 0, 9, 0, 0, 0,
+ 0, 11, 0, 0, 0, 0, 13, 0,
+ 0, 0, 0, 15, 0, 0, 0, 0,
+ 17, 0, 0, 0, 0, 19, 0, 0,
+ 0, 0, 21, 0, 0, 0, 0, 23,
+ 0, 0, 0, 0, 25, 0, 0, 0,
+ 0, 27, 0, 0, 0, 0, 29, 0,
+ 0, 0, 0, 31, 0, 0, 0, 0,
+ 33, 0, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 0, 0
+};
+
+static const int tsdp_machine_message_start = 34;
+static const int tsdp_machine_message_first_final = 34;
+static const int tsdp_machine_message_error = 0;
+
+static const int tsdp_machine_message_en_main = 34;
+
+
+/* #line 248 "./ragel/tsdp_parser_message.rl" */
+
+tsdp_message_t* tsdp_message_parse(const void *input, tsk_size_t size)
+{
+ tsdp_message_t* sdp_msg = tsk_null;
+ const char* tag_start = tsk_null;
+ tsdp_header_t *header = tsk_null;
+ tsdp_header_T_t *hdr_T = tsk_null;
+ tsdp_header_M_t *hdr_M = tsk_null;
+
+ /* Ragel variables */
+ int cs = 0;
+ const char* p = input;
+ const char* pe = p + size;
+ const char* eof = tsk_null;
+
+ if(!input || !size){
+ TSK_DEBUG_ERROR("Null or empty buffer.");
+ goto bail;
+ }
+
+ if(!(sdp_msg = tsdp_message_create())){
+ goto bail;
+ }
+
+ /* Ragel init */
+
+/* #line 184 "./src/parsers/tsdp_parser_message.c" */
+ {
+ cs = tsdp_machine_message_start;
+ }
+
+/* #line 274 "./ragel/tsdp_parser_message.rl" */
+
+ /* Ragel execute */
+
+/* #line 193 "./src/parsers/tsdp_parser_message.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_message_trans_keys + _tsdp_machine_message_key_offsets[cs];
+ _trans = _tsdp_machine_message_index_offsets[cs];
+
+ _klen = _tsdp_machine_message_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_message_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_message_trans_targs[_trans];
+
+ if ( _tsdp_machine_message_trans_actions[_trans] == 0 )
+ goto _again;
+
+ _acts = _tsdp_machine_message_actions + _tsdp_machine_message_trans_actions[_trans];
+ _nacts = (unsigned int) *_acts++;
+ while ( _nacts-- > 0 )
+ {
+ switch ( *_acts++ )
+ {
+ case 0:
+/* #line 58 "./ragel/tsdp_parser_message.rl" */
+ {
+ tag_start = p;
+ }
+ break;
+ case 1:
+/* #line 65 "./ragel/tsdp_parser_message.rl" */
+ {
+ if(hdr_M){
+ if(!hdr_M->Attributes){
+ hdr_M->Attributes = tsk_list_create();
+ }
+ if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){
+ tsk_list_push_back_data(hdr_M->Attributes, (void**)&header);
+ }
+ }
+ else if((header = (tsdp_header_t*)tsdp_header_A_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 2:
+/* #line 80 "./ragel/tsdp_parser_message.rl" */
+ {
+ if(hdr_M){
+ if(!hdr_M->Bandwidths){
+ hdr_M->Bandwidths = tsk_list_create();
+ }
+ if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){
+ tsk_list_push_back_data(hdr_M->Bandwidths, (void**)&header);
+ }
+ }
+ else if((header = (tsdp_header_t*)tsdp_header_B_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 3:
+/* #line 95 "./ragel/tsdp_parser_message.rl" */
+ {
+ if(hdr_M && !hdr_M->C){
+ hdr_M->C = tsdp_header_C_parse(tag_start, (p - tag_start));
+ }
+ else if((header = (tsdp_header_t*)tsdp_header_C_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 4:
+/* #line 105 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_Dummy_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 5:
+/* #line 112 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_E_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 6:
+/* #line 119 "./ragel/tsdp_parser_message.rl" */
+ {
+ if(hdr_M && !hdr_M->I){
+ hdr_M->I = tsdp_header_I_parse(tag_start, (p - tag_start));
+ }
+ else if((header = (tsdp_header_t*)tsdp_header_I_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 7:
+/* #line 129 "./ragel/tsdp_parser_message.rl" */
+ {
+ if(hdr_M && !hdr_M->K){
+ hdr_M->K = tsdp_header_K_parse(tag_start, (p - tag_start));
+ }
+ else if((header = (tsdp_header_t*)tsdp_header_K_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 8:
+/* #line 139 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((hdr_M = tsdp_header_M_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_M));
+ hdr_M = tsk_object_unref(hdr_M);
+ }
+ }
+ break;
+ case 9:
+/* #line 146 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_O_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 10:
+/* #line 153 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_P_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 11:
+/* #line 160 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_R_parse(tag_start, (p - tag_start)))){
+ if(hdr_T){
+ if(!hdr_T->repeat_fields){
+ hdr_T->repeat_fields = tsk_list_create();
+ }
+ tsk_list_push_back_data(hdr_T->repeat_fields, (void**)&header);
+ }
+ else{
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ }
+ break;
+ case 12:
+/* #line 175 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_S_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 13:
+/* #line 182 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((hdr_T = tsdp_header_T_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, TSDP_HEADER(hdr_T));
+ hdr_T = tsk_object_unref(hdr_T);
+ }
+ }
+ break;
+ case 14:
+/* #line 189 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_U_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 15:
+/* #line 196 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_V_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+ case 16:
+/* #line 203 "./ragel/tsdp_parser_message.rl" */
+ {
+ if((header = (tsdp_header_t*)tsdp_header_Z_parse(tag_start, (p - tag_start)))){
+ tsdp_message_add_header(sdp_msg, header);
+ tsk_object_unref(header);
+ }
+ }
+ break;
+/* #line 449 "./src/parsers/tsdp_parser_message.c" */
+ }
+ }
+
+_again:
+ if ( cs == 0 )
+ goto _out;
+ if ( ++p != pe )
+ goto _resume;
+ _test_eof: {}
+ _out: {}
+ }
+
+/* #line 277 "./ragel/tsdp_parser_message.rl" */
+
+ /* Check result */
+ if( cs <
+/* #line 466 "./src/parsers/tsdp_parser_message.c" */
+34
+/* #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;
+}
|
