common/tts_config_parser.c

   1 /*
   2 *  Copyright (c) 2011-2016 Samsung Electronics Co., Ltd All Rights Reserved
   3 *  Licensed under the Apache License, Version 2.0 (the "License");
   4 *  you may not use this file except in compliance with the License.
   5 *  You may obtain a copy of the License at
   6 *  http://www.apache.org/licenses/LICENSE-2.0
   7 *  Unless required by applicable law or agreed to in writing, software
   8 *  distributed under the License is distributed on an "AS IS" BASIS,
   9 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10 *  See the License for the specific language governing permissions and
  11 *  limitations under the License.
  12 */
  13
  14 #include <dlog.h>
  15 #include <stdio.h>
  16 #include <sys/stat.h>
  17 #include <unistd.h>
  18 #include <vconf.h>
  19
  20 #include "tts_config_parser.h"
  21 #include "tts_defs.h"
  22
  23
  24 #define TTS_TAG_ENGINE_BASE_TAG         "tts-engine"
  25 #define TTS_TAG_ENGINE_NAME             "name"
  26 #define TTS_TAG_ENGINE_ID               "id"
  27 #define TTS_TAG_ENGINE_SETTING          "setting"
  28 #define TTS_TAG_ENGINE_VOICE_SET        "voices"
  29 #define TTS_TAG_ENGINE_VOICE            "voice"
  30 #define TTS_TAG_ENGINE_VOICE_TYPE       "type"
  31 #define TTS_TAG_ENGINE_PITCH_SUPPORT    "pitch-support"
  32 #define TTS_TAG_ENGINE_TEXT_SIZE        "text-size"
  33
  34 #define TTS_TAG_CONFIG_BASE_TAG         "tts-config"
  35 #define TTS_TAG_CONFIG_ENGINE_ID        "engine"
  36 #define TTS_TAG_CONFIG_ENGINE_SETTING   "engine-setting"
  37 #define TTS_TAG_CONFIG_AUTO_VOICE       "auto"
  38 #define TTS_TAG_CONFIG_VOICE_TYPE       "voice-type"
  39 #define TTS_TAG_CONFIG_LANGUAGE         "language"
  40 #define TTS_TAG_CONFIG_SPEECH_RATE      "speech-rate"
  41 #define TTS_TAG_CONFIG_PITCH            "pitch"
  42 #define TTS_TAG_VOICE_TYPE_FEMALE       "female"
  43 #define TTS_TAG_VOICE_TYPE_MALE         "male"
  44 #define TTS_TAG_VOICE_TYPE_CHILD        "child"
  45
  46 #define TTS_MAX_TEXT_SIZE       2000
  47
  48 extern char* tts_tag();
  49
  50 static xmlDocPtr g_config_doc = NULL;
  51 char g_engine_id[128] = {0,};
  52 char g_setting[128] = {0,};
  53 char g_language[128] = {0,};
  54
  55 int tts_parser_get_engine_info(const char* path, tts_engine_info_s** engine_info)
  56 {
  57         if (NULL == path || NULL == engine_info) {
  58                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
  59                 return -1;
  60         }
  61
  62         bool isTextsize = false;
  63         xmlDocPtr doc = NULL;
  64         xmlNodePtr cur = NULL;
  65         xmlChar *key = NULL;
  66         xmlChar *attr = NULL;
  67
  68         if (0 == access(path, F_OK)) {
  69                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to access to %s", path);
  70                 doc = xmlParseFile(path);
  71                 if (doc == NULL) {
  72                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse xml file");
  73                         return -1;
  74                 }
  75         } else {
  76                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to access to %s", path);
  77                 return -1;
  78         }
  79
  80         cur = xmlDocGetRootElement(doc);
  81         if (cur == NULL) {
  82                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
  83                 xmlFreeDoc(doc);
  84                 doc = NULL;
  85                 return -1;
  86         }
  87
  88         if (xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_BASE_TAG)) {
  89                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT 'tts-engine'");
  90                 xmlFreeDoc(doc);
  91                 doc = NULL;
  92                 return -1;
  93         }
  94
  95         cur = cur->xmlChildrenNode;
  96         if (cur == NULL) {
  97                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
  98                 xmlFreeDoc(doc);
  99                 doc = NULL;
 100                 return -1;
 101         }
 102
 103         /* alloc engine info */
 104         tts_engine_info_s* temp;
 105         temp = (tts_engine_info_s*)calloc(1, sizeof(tts_engine_info_s));
 106         if (NULL == temp) {
 107                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Out of memory");
 108                 xmlFreeDoc(doc);
 109                 doc = NULL;
 110                 return -1;
 111         }
 112
 113         temp->name = NULL;
 114         temp->uuid = NULL;
 115         temp->voices = NULL;
 116         temp->setting = NULL;
 117         temp->pitch_support = false;
 118         temp->text_size = 0;
 119
 120         while (cur != NULL) {
 121                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_NAME)) {
 122                         key = xmlNodeGetContent(cur);
 123                         if (NULL != key) {
 124                                 if (NULL != temp->name) {
 125                                         free(temp->name);
 126                                         temp->name = NULL;
 127                                 }
 128                                 temp->name = strdup((char*)key);
 129                                 xmlFree(key);
 130                                 key = NULL;
 131                         } else {
 132                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_NAME);
 133                         }
 134                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_ID)) {
 135                         key = xmlNodeGetContent(cur);
 136                         if (NULL != key) {
 137                                 if (NULL != temp->uuid) {
 138                                         free(temp->uuid);
 139                                         temp->uuid = NULL;
 140                                 }
 141                                 temp->uuid = strdup((char*)key);
 142                                 xmlFree(key);
 143                                 key = NULL;
 144                         } else {
 145                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_ID);
 146                         }
 147                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_SETTING)) {
 148                         key = xmlNodeGetContent(cur);
 149                         if (NULL != key) {
 150                                 if (NULL != temp->setting) {
 151                                         free(temp->setting);
 152                                         temp->setting = NULL;
 153                                 }
 154                                 temp->setting = strdup((char*)key);
 155                                 xmlFree(key);
 156                                 key = NULL;
 157                         } else {
 158                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_SETTING);
 159                         }
 160                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_VOICE_SET)) {
 161                         xmlNodePtr voice_node = NULL;
 162                         voice_node = cur->xmlChildrenNode;
 163
 164                         while (NULL != voice_node) {
 165                                 if (0 == xmlStrcmp(voice_node->name, (const xmlChar *)TTS_TAG_ENGINE_VOICE)) {
 166                                         tts_config_voice_s* temp_voice = (tts_config_voice_s*)calloc(1, sizeof(tts_config_voice_s));
 167                                         if (NULL == temp_voice) {
 168                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Out of memory");
 169                                                 break;
 170                                         }
 171
 172                                         attr = xmlGetProp(voice_node, (const xmlChar*)TTS_TAG_ENGINE_VOICE_TYPE);
 173                                         if (NULL != attr) {
 174                                                 if (0 == xmlStrcmp(attr, (const xmlChar *)TTS_TAG_VOICE_TYPE_FEMALE)) {
 175                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_FEMALE;
 176                                                 } else if (0 == xmlStrcmp(attr, (const xmlChar *)TTS_TAG_VOICE_TYPE_MALE)) {
 177                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_MALE;
 178                                                 } else if (0 == xmlStrcmp(attr, (const xmlChar *)TTS_TAG_VOICE_TYPE_CHILD)) {
 179                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_CHILD;
 180                                                 } else {
 181                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_USER_DEFINED;
 182                                                 }
 183                                                 xmlFree(attr);
 184                                                 attr = NULL;
 185                                         } else {
 186                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_VOICE_TYPE);
 187                                                 free(temp_voice);
 188                                                 temp_voice = NULL;
 189                                                 continue;
 190                                         }
 191
 192                                         key = xmlNodeGetContent(voice_node);
 193                                         if (NULL != key) {
 194                                                 if (NULL != temp_voice->language) {
 195                                                         free(temp_voice->language);
 196                                                         temp_voice->language = NULL;
 197                                                 }
 198                                                 temp_voice->language = strdup((char*)key);
 199                                                 xmlFree(key);
 200                                                 key = NULL;
 201                                                 temp->voices = g_slist_append(temp->voices, temp_voice);
 202                                         } else {
 203                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_VOICE);
 204                                                 if (NULL != temp_voice) {
 205                                                         free(temp_voice);
 206                                                         temp_voice = NULL;
 207                                                 }
 208                                         }
 209                                 }
 210                                 voice_node = voice_node->next;
 211                         }
 212                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_PITCH_SUPPORT)) {
 213                         key = xmlNodeGetContent(cur);
 214                         if (NULL != key) {
 215                                 if (0 == xmlStrcmp(key, (const xmlChar *)"true")) {
 216                                         temp->pitch_support = true;
 217                                 }
 218                                 xmlFree(key);
 219                                 key = NULL;
 220                         } else {
 221                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_PITCH_SUPPORT);
 222                         }
 223                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_TEXT_SIZE)) {
 224                         isTextsize = true;
 225                         key = xmlNodeGetContent(cur);
 226                         if (NULL != key) {
 227                                 temp->text_size = atoi((char*)key);
 228                                 xmlFree(key);
 229                         } else {
 230                                 SLOG(LOG_INFO, tts_tag(), "[INFO] text size is unlimited.");
 231                                 temp->text_size = 0;
 232                         }
 233                 }
 234                 cur = cur->next;
 235         }
 236
 237         if (false == isTextsize) {
 238                 temp->text_size = TTS_MAX_TEXT_SIZE;
 239         }
 240
 241         xmlFreeDoc(doc);
 242         doc = NULL;
 243
 244         if (NULL == temp->uuid) {
 245                 /* Invalid engine */
 246                 SECURE_SLOG(LOG_ERROR, tts_tag(), "[ERROR] Invalid engine : %s", path);
 247                 tts_parser_free_engine_info(temp);
 248                 return -1;
 249         }
 250
 251         *engine_info = temp;
 252
 253         return 0;
 254 }
 255
 256 int tts_parser_free_engine_info(tts_engine_info_s* engine_info)
 257 {
 258         if (NULL == engine_info) {
 259                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 260                 return -1;
 261         }
 262
 263         if (NULL != engine_info->name) {
 264                 free(engine_info->name);
 265                 engine_info->name = NULL;
 266         }
 267         if (NULL != engine_info->uuid) {
 268                 free(engine_info->uuid);
 269                 engine_info->uuid = NULL;
 270         }
 271         if (NULL != engine_info->setting) {
 272                 free(engine_info->setting);
 273                 engine_info->setting = NULL;
 274         }
 275
 276         tts_config_voice_s *temp_voice;
 277         temp_voice = g_slist_nth_data(engine_info->voices, 0);
 278
 279         while (NULL != temp_voice) {
 280                 if (NULL != temp_voice) {
 281                         if (NULL != temp_voice->language) {
 282                                 free(temp_voice->language);
 283                                 temp_voice->language = NULL;
 284                         }
 285                         engine_info->voices = g_slist_remove(engine_info->voices, temp_voice);
 286                         free(temp_voice);
 287                         temp_voice = NULL;
 288                 }
 289
 290                 temp_voice = g_slist_nth_data(engine_info->voices, 0);
 291         }
 292
 293         if (NULL != engine_info) {
 294                 free(engine_info);
 295                 engine_info = NULL;
 296         }
 297
 298         return 0;
 299 }
 300
 301 int tts_parser_print_engine_info(tts_engine_info_s* engine_info)
 302 {
 303         if (NULL == engine_info) {
 304                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 305                 return -1;
 306         }
 307
 308         SLOG(LOG_DEBUG, tts_tag(), "== get engine info ==");
 309         SLOG(LOG_DEBUG, tts_tag(), " name : %s", engine_info->name);
 310         SLOG(LOG_DEBUG, tts_tag(), " id   : %s", engine_info->uuid);
 311         if (NULL != engine_info->setting)
 312                 SLOG(LOG_DEBUG, tts_tag(), " setting : %s", engine_info->setting);
 313
 314         SLOG(LOG_DEBUG, tts_tag(), " voices");
 315         GSList *iter = NULL;
 316         tts_config_voice_s *temp_voice;
 317
 318         if (g_slist_length(engine_info->voices) > 0) {
 319                 /* Get a first item */
 320                 iter = g_slist_nth(engine_info->voices, 0);
 321
 322                 int i = 1;
 323                 while (NULL != iter) {
 324                         /*Get handle data from list*/
 325                         temp_voice = iter->data;
 326
 327                         SLOG(LOG_DEBUG, tts_tag(), "  [%dth] type(%d) lang(%s)",
 328                                 i, temp_voice->type, temp_voice->language);
 329
 330                         /*Get next item*/
 331                         iter = g_slist_next(iter);
 332                         i++;
 333                 }
 334         } else {
 335                 SLOG(LOG_ERROR, tts_tag(), "  Voice is NONE");
 336         }
 337
 338         SLOG(LOG_DEBUG, tts_tag(), "@@@");
 339
 340         return 0;
 341 }
 342
 343 int tts_parser_load_config(tts_config_s** config_info)
 344 {
 345         if (NULL == config_info) {
 346                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 347                 return -1;
 348         }
 349
 350         xmlDocPtr doc = NULL;
 351         xmlNodePtr cur = NULL;
 352         xmlChar *key;
 353         bool is_default_open = false;
 354
 355         /* For Thread safety */
 356         xmlInitParser();
 357
 358         if (0 != access(TTS_CONFIG, F_OK)) {
 359                 doc = xmlParseFile(TTS_DEFAULT_CONFIG);
 360                 if (doc == NULL) {
 361                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", TTS_DEFAULT_CONFIG);
 362                         xmlCleanupParser();
 363                         return -1;
 364                 }
 365                 is_default_open = true;
 366         } else {
 367                 int retry_count = 0;
 368
 369                 while (NULL == doc) {
 370                         doc = xmlParseFile(TTS_CONFIG);
 371                         if (NULL != doc) {
 372                                 break;
 373                         }
 374                         retry_count++;
 375                         usleep(10000);
 376
 377                         if (TTS_RETRY_COUNT == retry_count) {
 378                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", TTS_CONFIG);
 379                                 doc = xmlParseFile(TTS_DEFAULT_CONFIG);
 380                                 if (NULL == doc) {
 381                                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", TTS_DEFAULT_CONFIG);
 382                                         xmlCleanupParser();
 383                                         return -1;
 384                                 }
 385                                 is_default_open = true;
 386                                 break;
 387                         }
 388                 }
 389         }
 390
 391         cur = xmlDocGetRootElement(doc);
 392         if (cur == NULL) {
 393                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 394                 xmlFreeDoc(doc);
 395                 doc = NULL;
 396                 xmlCleanupParser();
 397                 return -1;
 398         }
 399
 400         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 401                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 402                 xmlFreeDoc(doc);
 403                 doc = NULL;
 404                 xmlCleanupParser();
 405                 return -1;
 406         }
 407
 408         cur = cur->xmlChildrenNode;
 409         if (cur == NULL) {
 410                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 411                 xmlFreeDoc(doc);
 412                 doc = NULL;
 413                 xmlCleanupParser();
 414                 return -1;
 415         }
 416
 417         /* alloc engine info */
 418         tts_config_s* temp;
 419         temp = (tts_config_s*)calloc(1, sizeof(tts_config_s));
 420         if (NULL == temp) {
 421                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Out of memory");
 422                 xmlFreeDoc(doc);
 423                 doc = NULL;
 424                 xmlCleanupParser();
 425                 return -1;
 426         }
 427
 428         memset(g_engine_id, '\0', sizeof(g_engine_id));
 429         memset(g_setting, '\0', sizeof(g_setting));
 430         memset(g_language, '\0', sizeof(g_language));
 431
 432         temp->engine_id = g_engine_id;
 433         temp->setting = g_setting;
 434         temp->language = g_language;
 435
 436         while (cur != NULL) {
 437                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_ID)) {
 438                         key = xmlNodeGetContent(cur);
 439                         if (NULL != key) {
 440                                 strncpy(temp->engine_id, (char*)key, sizeof(g_engine_id) - 1);
 441                                 xmlFree(key);
 442                                 key = NULL;
 443                         } else {
 444                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] engine id is NULL");
 445                         }
 446                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 447                         key = xmlNodeGetContent(cur);
 448                         if (NULL != key) {
 449                                 strncpy(temp->setting, (char*)key, sizeof(g_setting) - 1);
 450                                 xmlFree(key);
 451                                 key = NULL;
 452                         } else {
 453                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] setting path is NULL");
 454                         }
 455                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_AUTO_VOICE)) {
 456                         key = xmlNodeGetContent(cur);
 457                         if (NULL != key) {
 458                                 if (0 == xmlStrcmp(key, (const xmlChar *)"on")) {
 459                                         temp->auto_voice = true;
 460                                 } else if (0 == xmlStrcmp(key, (const xmlChar *)"off")) {
 461                                         temp->auto_voice = false;
 462                                 } else {
 463                                         SLOG(LOG_ERROR, tts_tag(), "Auto voice is wrong");
 464                                         temp->auto_voice = true;
 465                                 }
 466
 467                                 xmlFree(key);
 468                                 key = NULL;
 469                         } else {
 470                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] voice type is NULL");
 471                         }
 472                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_VOICE_TYPE)) {
 473                         key = xmlNodeGetContent(cur);
 474                         if (NULL != key) {
 475                                 if (0 == xmlStrcmp(key, (const xmlChar *)TTS_TAG_VOICE_TYPE_MALE)) {
 476                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_MALE;
 477                                 } else if (0 == xmlStrcmp(key, (const xmlChar *)TTS_TAG_VOICE_TYPE_FEMALE)) {
 478                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_FEMALE;
 479                                 } else if (0 == xmlStrcmp(key, (const xmlChar *)TTS_TAG_VOICE_TYPE_CHILD)) {
 480                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_CHILD;
 481                                 } else {
 482                                         SLOG(LOG_WARN, tts_tag(), "Voice type is user defined");
 483                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_USER_DEFINED;
 484                                 }
 485
 486                                 xmlFree(key);
 487                                 key = NULL;
 488                         } else {
 489                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] voice type is NULL");
 490                         }
 491                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_LANGUAGE)) {
 492                         key = xmlNodeGetContent(cur);
 493                         if (NULL != key) {
 494                                 strncpy(temp->language, (char*)key, sizeof(g_language) - 1);
 495                                 xmlFree(key);
 496                                 key = NULL;
 497                         } else {
 498                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] engine uuid is NULL");
 499                         }
 500
 501                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_SPEECH_RATE)) {
 502                         key = xmlNodeGetContent(cur);
 503                         if (NULL != key) {
 504                                 temp->speech_rate = atoi((char*)key);
 505                                 xmlFree(key);
 506                         } else {
 507                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] speech rate is NULL");
 508                         }
 509                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_PITCH)) {
 510                         key = xmlNodeGetContent(cur);
 511                         if (NULL != key) {
 512                                 temp->pitch = atoi((char*)key);
 513                                 xmlFree(key);
 514                                 key = NULL;
 515                         } else {
 516                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Pitch is NULL");
 517                         }
 518                 } else {
 519
 520                 }
 521
 522                 cur = cur->next;
 523         }
 524
 525         *config_info = temp;
 526         g_config_doc = doc;
 527
 528         if (true == is_default_open) {
 529                 int retry_count = 0;
 530                 int ret = -1;
 531                 do {
 532                         ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 533                         if (0 < ret)
 534                                 break;
 535                         retry_count++;
 536                         usleep(10000);
 537
 538                         if (TTS_RETRY_COUNT == retry_count) {
 539                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 540                                 return -1;
 541                         }
 542                 } while (0 != ret);
 543
 544                 /* Set mode */
 545                 if (0 > chmod(TTS_CONFIG, 0600)) {
 546                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to change file mode : %d", ret);
 547                 }
 548
 549                 /* Set owner */
 550                 if (0 > chown(TTS_CONFIG, 5000, 5000)) {
 551                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to change file owner : %d", ret);
 552                 }
 553                 SLOG(LOG_DEBUG, tts_tag(), "Default config is changed : pid(%d)", getpid());
 554         }
 555
 556         return 0;
 557 }
 558
 559 int tts_parser_unload_config(tts_config_s* config_info)
 560 {
 561         if (NULL != g_config_doc) {
 562                 xmlFreeDoc(g_config_doc);
 563                 g_config_doc = NULL;
 564         }
 565         if (NULL != config_info) {
 566                 free(config_info);
 567                 config_info = NULL;
 568         }
 569
 570         xmlCleanupParser();
 571
 572         return 0;
 573 }
 574
 575
 576 int tts_parser_copy_xml(const char* original, const char* destination)
 577 {
 578         if (NULL == original || NULL == destination) {
 579                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 580                 return -1;
 581         }
 582
 583         xmlDocPtr doc = NULL;
 584         if (0 == access(original, F_OK)) {
 585                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to access to %s", original);
 586                 doc = xmlParseFile(original);
 587                 if (doc == NULL) {
 588                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", original);
 589                         return -1;
 590                 }
 591         } else {
 592                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to access to %s", original);
 593                 return -1;
 594         }
 595
 596         int ret = xmlSaveFile(destination, doc);
 597         if (0 > ret) {
 598                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 599         } else {
 600                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to save %s", destination);
 601         }
 602
 603         /* Set mode */
 604         if (0 > chmod(destination, 0600)) {
 605                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to change file mode : %d", ret);
 606         }
 607
 608         xmlFreeDoc(doc);
 609         doc = NULL;
 610         SLOG(LOG_DEBUG, tts_tag(), "[SUCCESS] Copying xml");
 611
 612         return 0;
 613 }
 614
 615 int tts_parser_set_engine(const char* engine_id, const char* setting, const char* language, int type)
 616 {
 617         if (NULL == engine_id) {
 618                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 619                 return -1;
 620         }
 621
 622         xmlNodePtr cur = NULL;
 623         cur = xmlDocGetRootElement(g_config_doc);
 624         if (cur == NULL) {
 625                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 626                 return -1;
 627         }
 628
 629         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 630                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 631                 return -1;
 632         }
 633
 634         cur = cur->xmlChildrenNode;
 635         if (cur == NULL) {
 636                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 637                 return -1;
 638         }
 639
 640         while (cur != NULL) {
 641                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_ID)) {
 642                         xmlNodeSetContent(cur, (const xmlChar *)engine_id);
 643                 }
 644
 645                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_LANGUAGE)) {
 646                         xmlNodeSetContent(cur, (const xmlChar *)language);
 647                 }
 648
 649                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 650                         xmlNodeSetContent(cur, (const xmlChar *)setting);
 651                 }
 652
 653                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_VOICE_TYPE)) {
 654                         switch (type) {
 655                         case TTS_CONFIG_VOICE_TYPE_MALE:        xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_MALE);        break;
 656                         case TTS_CONFIG_VOICE_TYPE_FEMALE:      xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);      break;
 657                         case TTS_CONFIG_VOICE_TYPE_CHILD:       xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_CHILD);       break;
 658                         default:                                xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);      break;
 659                         }
 660                 }
 661
 662                 cur = cur->next;
 663         }
 664
 665         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 666         if (0 > ret) {
 667                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 668         } else {
 669                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to save %s", TTS_CONFIG);
 670         }
 671
 672         return 0;
 673 }
 674
 675 int tts_parser_set_voice(const char* language, int type)
 676 {
 677         if (NULL == language) {
 678                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 679                 return -1;
 680         }
 681
 682         xmlNodePtr cur = NULL;
 683         cur = xmlDocGetRootElement(g_config_doc);
 684         if (cur == NULL) {
 685                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 686                 return -1;
 687         }
 688
 689         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 690                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 691                 return -1;
 692         }
 693
 694         cur = cur->xmlChildrenNode;
 695         if (cur == NULL) {
 696                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 697                 return -1;
 698         }
 699
 700         while (cur != NULL) {
 701                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_LANGUAGE)) {
 702                         xmlNodeSetContent(cur, (const xmlChar *)language);
 703                 }
 704
 705                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_VOICE_TYPE)) {
 706                         switch (type) {
 707                         case TTS_CONFIG_VOICE_TYPE_MALE:        xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_MALE);        break;
 708                         case TTS_CONFIG_VOICE_TYPE_FEMALE:      xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);      break;
 709                         case TTS_CONFIG_VOICE_TYPE_CHILD:       xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_CHILD);       break;
 710                         default:
 711                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Invalid type : %d", type);
 712                                 xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);
 713                                 break;
 714                         }
 715                 }
 716
 717                 cur = cur->next;
 718         }
 719
 720         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 721         if (0 > ret) {
 722                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 723         } else {
 724                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to save %s", TTS_CONFIG);
 725         }
 726
 727         return 0;
 728 }
 729
 730 int tts_parser_set_auto_voice(bool value)
 731 {
 732         xmlNodePtr cur = NULL;
 733         cur = xmlDocGetRootElement(g_config_doc);
 734         if (cur == NULL) {
 735                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 736                 return -1;
 737         }
 738
 739         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 740                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 741                 return -1;
 742         }
 743
 744         cur = cur->xmlChildrenNode;
 745         if (cur == NULL) {
 746                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 747                 return -1;
 748         }
 749
 750         while (cur != NULL) {
 751                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_AUTO_VOICE)) {
 752                         if (true == value) {
 753                                 xmlNodeSetContent(cur, (const xmlChar *)"on");
 754                         } else if (false == value) {
 755                                 xmlNodeSetContent(cur, (const xmlChar *)"off");
 756                         } else {
 757                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong value of auto voice");
 758                                 return -1;
 759                         }
 760                         break;
 761                 }
 762                 cur = cur->next;
 763         }
 764
 765         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 766         if (0 > ret) {
 767                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 768         } else {
 769                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to save %s", TTS_CONFIG);
 770         }
 771
 772         return 0;
 773 }
 774
 775 int tts_parser_set_speech_rate(int value)
 776 {
 777         xmlNodePtr cur = NULL;
 778         cur = xmlDocGetRootElement(g_config_doc);
 779         if (cur == NULL) {
 780                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 781                 return -1;
 782         }
 783
 784         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 785                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 786                 return -1;
 787         }
 788
 789         cur = cur->xmlChildrenNode;
 790         if (cur == NULL) {
 791                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 792                 return -1;
 793         }
 794
 795         while (cur != NULL) {
 796                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_SPEECH_RATE)) {
 797                         char temp[10];
 798                         memset(temp, '\0', 10);
 799                         snprintf(temp, 10, "%d", value);
 800
 801                         xmlNodeSetContent(cur, (const xmlChar *)temp);
 802
 803                         SLOG(LOG_DEBUG, tts_tag(), "Set speech rate : %s", temp);
 804                         break;
 805                 }
 806
 807                 cur = cur->next;
 808         }
 809
 810         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 811         if (0 > ret) {
 812                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 813         } else {
 814                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to save %s", TTS_CONFIG);
 815         }
 816
 817         return 0;
 818 }
 819
 820 int tts_parser_set_pitch(int value)
 821 {
 822         xmlNodePtr cur = NULL;
 823         cur = xmlDocGetRootElement(g_config_doc);
 824         if (cur == NULL) {
 825                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 826                 return -1;
 827         }
 828
 829         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 830                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 831                 return -1;
 832         }
 833
 834         cur = cur->xmlChildrenNode;
 835         if (cur == NULL) {
 836                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 837                 return -1;
 838         }
 839
 840         while (cur != NULL) {
 841                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_PITCH)) {
 842                         char temp[10];
 843                         memset(temp, '\0', 10);
 844                         snprintf(temp, 10, "%d", value);
 845                         xmlNodeSetContent(cur, (const xmlChar *)temp);
 846                         break;
 847                 }
 848
 849                 cur = cur->next;
 850         }
 851
 852         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 853         if (0 > ret) {
 854                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 855         } else {
 856                 SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to save %s", TTS_CONFIG);
 857         }
 858
 859         return 0;
 860 }
 861
 862 int tts_parser_find_config_changed(char** engine, char**setting, bool* auto_voice, char** language, int* voice_type,
 863                                    int* speech_rate, int* pitch)
 864 {
 865         if (NULL == engine || NULL == setting || NULL == language || NULL == voice_type || NULL == speech_rate) {
 866                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 867                 return -1;
 868         }
 869
 870         xmlDocPtr doc = NULL;
 871         xmlNodePtr cur_new = NULL;
 872         xmlNodePtr cur_old = NULL;
 873
 874         xmlChar *key_new;
 875         xmlChar *key_old;
 876
 877         int retry_count = 0;
 878         while (NULL == doc) {
 879                 if (0 == access(TTS_CONFIG, F_OK)) {
 880                         SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Success to access to %s", TTS_CONFIG);
 881                         doc = xmlParseFile(TTS_CONFIG);
 882                         if (NULL != doc) {
 883                                 break;
 884                         }
 885                 }
 886                 retry_count++;
 887                 usleep(10000);
 888
 889                 if (TTS_RETRY_COUNT == retry_count) {
 890                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", TTS_CONFIG);
 891                         return -1;
 892                 }
 893         }
 894
 895         cur_new = xmlDocGetRootElement(doc);
 896         cur_old = xmlDocGetRootElement(g_config_doc);
 897         if (cur_new == NULL || cur_old == NULL) {
 898                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 899                 xmlFreeDoc(doc);
 900                 doc = NULL;
 901                 return -1;
 902         }
 903
 904         if (xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_BASE_TAG) ||
 905         xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_BASE_TAG)) {
 906                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 907                 xmlFreeDoc(doc);
 908                 doc = NULL;
 909                 return -1;
 910         }
 911
 912         cur_new = cur_new->xmlChildrenNode;
 913         cur_old = cur_old->xmlChildrenNode;
 914         if (cur_new == NULL || cur_old == NULL) {
 915                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 916                 xmlFreeDoc(doc);
 917                 doc = NULL;
 918                 return -1;
 919         }
 920
 921         while (cur_new != NULL && cur_old != NULL) {
 922                 if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_ID)) {
 923                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_ID)) {
 924                                 key_old = xmlNodeGetContent(cur_old);
 925                                 if (NULL != key_old) {
 926                                         key_new = xmlNodeGetContent(cur_new);
 927                                         if (NULL != key_new) {
 928                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 929                                                         SLOG(LOG_DEBUG, tts_tag(), "Old engine id(%s), New engine(%s)",
 930                                                                 (char*)key_old, (char*)key_new);
 931                                                         if (NULL != *engine) {
 932                                                                 free(*engine);
 933                                                                 *engine = NULL;
 934                                                         }
 935                                                         *engine = strdup((char*)key_new);
 936                                                 }
 937                                                 xmlFree(key_new);
 938                                                 key_new = NULL;
 939                                         }
 940                                         xmlFree(key_old);
 941                                         key_old = NULL;
 942                                 }
 943                         } else {
 944                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 945                         }
 946                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 947                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 948                                 key_old = xmlNodeGetContent(cur_old);
 949                                 if (NULL != key_old) {
 950                                         key_new = xmlNodeGetContent(cur_new);
 951                                         if (NULL != key_new) {
 952                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 953                                                         SLOG(LOG_DEBUG, tts_tag(), "Old engine setting(%s), New engine setting(%s)",
 954                                                                 (char*)key_old, (char*)key_new);
 955                                                         if (NULL != *setting) {
 956                                                                 free(*setting);
 957                                                                 *setting = NULL;
 958                                                         }
 959                                                         *setting = strdup((char*)key_new);
 960                                                 }
 961                                                 xmlFree(key_new);
 962                                                 key_new = NULL;
 963                                         }
 964                                         xmlFree(key_old);
 965                                         key_old = NULL;
 966                                 }
 967                         } else {
 968                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 969                         }
 970                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_AUTO_VOICE)) {
 971                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_AUTO_VOICE)) {
 972                                 key_old = xmlNodeGetContent(cur_old);
 973                                 if (NULL != key_old) {
 974                                         key_new = xmlNodeGetContent(cur_new);
 975                                         if (NULL != key_new) {
 976                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 977                                                         SLOG(LOG_DEBUG, tts_tag(), "Old auto voice (%s), New auto voice(%s)",
 978                                                                 (char*)key_old, (char*)key_new);
 979                                                         if (0 == xmlStrcmp((const xmlChar*)"on", key_new)) {
 980                                                                 *auto_voice = true;
 981                                                         } else {
 982                                                                 *auto_voice = false;
 983                                                         }
 984                                                 }
 985                                                 xmlFree(key_new);
 986                                                 key_new = NULL;
 987                                         }
 988                                         xmlFree(key_old);
 989                                         key_old = NULL;
 990                                 }
 991                         } else {
 992                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 993                         }
 994                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_LANGUAGE)) {
 995                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_LANGUAGE)) {
 996                                 key_old = xmlNodeGetContent(cur_old);
 997                                 if (NULL != key_old) {
 998                                         key_new = xmlNodeGetContent(cur_new);
 999                                         if (NULL != key_new) {
1000                                                 if (0 != xmlStrcmp(key_old, key_new)) {
1001                                                         SLOG(LOG_DEBUG, tts_tag(), "Old language(%s), New language(%s)",
1002                                                                 (char*)key_old, (char*)key_new);
1003                                                         if (NULL != *language) {
1004                                                                 free(*language);
1005                                                                 *language = NULL;
1006                                                         }
1007                                                         *language = strdup((char*)key_new);
1008                                                 }
1009                                                 xmlFree(key_new);
1010                                                 key_new = NULL;
1011                                         }
1012                                         xmlFree(key_old);
1013                                         key_old = NULL;
1014                                 }
1015                         } else {
1016                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
1017                         }
1018                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_VOICE_TYPE)) {
1019                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_VOICE_TYPE)) {
1020                                 key_old = xmlNodeGetContent(cur_old);
1021                                 if (NULL != key_old) {
1022                                         key_new = xmlNodeGetContent(cur_new);
1023                                         if (NULL != key_new) {
1024                                                 if (0 != xmlStrcmp(key_old, key_new)) {
1025                                                         SLOG(LOG_DEBUG, tts_tag(), "Old voice type(%s), New voice type(%s)",
1026                                                                 (char*)key_old, (char*)key_new);
1027                                                         if (0 == xmlStrcmp(key_new, (const xmlChar *)TTS_TAG_VOICE_TYPE_FEMALE)) {
1028                                                                 *voice_type = (int)TTS_CONFIG_VOICE_TYPE_FEMALE;
1029                                                         } else if (0 == xmlStrcmp(key_new, (const xmlChar *)TTS_TAG_VOICE_TYPE_MALE)) {
1030                                                                 *voice_type = (int)TTS_CONFIG_VOICE_TYPE_MALE;
1031                                                         } else if (0 == xmlStrcmp(key_new, (const xmlChar *)TTS_TAG_VOICE_TYPE_CHILD)) {
1032                                                                 *voice_type = (int)TTS_CONFIG_VOICE_TYPE_CHILD;
1033                                                         } else {
1034                                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] New voice type is not valid");
1035                                                         }
1036                                                 }
1037                                                 xmlFree(key_new);
1038                                                 key_new = NULL;
1039                                         }
1040                                         xmlFree(key_old);
1041                                         key_old = NULL;
1042                                 }
1043                         } else {
1044                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
1045                         }
1046                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_SPEECH_RATE)) {
1047                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_SPEECH_RATE)) {
1048                                 key_old = xmlNodeGetContent(cur_old);
1049                                 if (NULL != key_old) {
1050                                         key_new = xmlNodeGetContent(cur_new);
1051                                         if (NULL != key_new) {
1052                                                 if (0 != xmlStrcmp(key_old, key_new)) {
1053                                                         SLOG(LOG_DEBUG, tts_tag(), "Old speech rate(%s), New speech rate(%s)",
1054                                                                 (char*)key_old, (char*)key_new);
1055                                                         *speech_rate = atoi((char*)key_new);
1056                                                 }
1057                                                 xmlFree(key_new);
1058                                                 key_new = NULL;
1059                                         }
1060                                         xmlFree(key_old);
1061                                         key_old = NULL;
1062                                 }
1063                         } else {
1064                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
1065                         }
1066                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_PITCH)) {
1067                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_PITCH)) {
1068                                 key_old = xmlNodeGetContent(cur_old);
1069                                 if (NULL != key_old) {
1070                                         key_new = xmlNodeGetContent(cur_new);
1071                                         if (NULL != key_new) {
1072                                                 if (0 != xmlStrcmp(key_old, key_new)) {
1073                                                         SLOG(LOG_DEBUG, tts_tag(), "Old pitch(%s), New pitch(%s)",
1074                                                                 (char*)key_old, (char*)key_new);
1075                                                         *pitch = atoi((char*)key_new);
1076                                                 }
1077                                                 xmlFree(key_new);
1078                                                 key_new = NULL;
1079                                         }
1080                                         xmlFree(key_old);
1081                                         key_old = NULL;
1082                                 }
1083                         } else {
1084                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
1085                         }
1086                 } else {
1087
1088                 }
1089
1090                 cur_new = cur_new->next;
1091                 cur_old = cur_old->next;
1092         }
1093
1094         if (NULL != g_config_doc) {
1095                 xmlFreeDoc(g_config_doc);
1096                 g_config_doc = NULL;
1097         }
1098         g_config_doc = doc;
1099
1100         return 0;
1101 }
1102
1103 int tts_parser_reset()
1104 {
1105         SLOG(LOG_DEBUG, tts_tag(), "[DEBUG] Reset g_config_doc as %s", TTS_DEFAULT_CONFIG);
1106
1107         if (NULL != g_config_doc) {
1108                 xmlFreeDoc(g_config_doc);
1109                 g_config_doc = NULL;
1110         }
1111
1112         g_config_doc = xmlParseFile(TTS_DEFAULT_CONFIG);
1113         if (NULL == g_config_doc) {
1114                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse %s", TTS_DEFAULT_CONFIG);
1115                 return -1;
1116         }
1117
1118         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
1119         if (0 > ret) {
1120                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to save %s", TTS_CONFIG);
1121         }
1122
1123         return 0;
1124 }