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
  33 #define TTS_TAG_CONFIG_BASE_TAG         "tts-config"
  34 #define TTS_TAG_CONFIG_ENGINE_ID        "engine"
  35 #define TTS_TAG_CONFIG_ENGINE_SETTING   "engine-setting"
  36 #define TTS_TAG_CONFIG_AUTO_VOICE       "auto"
  37 #define TTS_TAG_CONFIG_VOICE_TYPE       "voice-type"
  38 #define TTS_TAG_CONFIG_LANGUAGE         "language"
  39 #define TTS_TAG_CONFIG_SPEECH_RATE      "speech-rate"
  40 #define TTS_TAG_CONFIG_PITCH            "pitch"
  41 #define TTS_TAG_VOICE_TYPE_FEMALE       "female"
  42 #define TTS_TAG_VOICE_TYPE_MALE         "male"
  43 #define TTS_TAG_VOICE_TYPE_CHILD        "child"
  44
  45
  46 extern char* tts_tag();
  47
  48 static xmlDocPtr g_config_doc = NULL;
  49
  50 int tts_parser_get_engine_info(const char* path, tts_engine_info_s** engine_info)
  51 {
  52         if (NULL == path || NULL == engine_info) {
  53                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
  54                 return -1;
  55         }
  56
  57         xmlDocPtr doc = NULL;
  58         xmlNodePtr cur = NULL;
  59         xmlChar *key = NULL;
  60         xmlChar *attr = NULL;
  61
  62         doc = xmlParseFile(path);
  63         if (doc == NULL) {
  64                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse xml file");
  65                 return -1;
  66         }
  67
  68         cur = xmlDocGetRootElement(doc);
  69         if (cur == NULL) {
  70                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
  71                 xmlFreeDoc(doc);
  72                 doc = NULL;
  73                 return -1;
  74         }
  75
  76         if (xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_BASE_TAG)) {
  77                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT 'tts-engine'");
  78                 xmlFreeDoc(doc);
  79                 doc = NULL;
  80                 return -1;
  81         }
  82
  83         cur = cur->xmlChildrenNode;
  84         if (cur == NULL) {
  85                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
  86                 xmlFreeDoc(doc);
  87                 doc = NULL;
  88                 return -1;
  89         }
  90
  91         /* alloc engine info */
  92         tts_engine_info_s* temp;
  93         temp = (tts_engine_info_s*)calloc(1, sizeof(tts_engine_info_s));
  94         if (NULL == temp) {
  95                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Out of memory");
  96                 xmlFreeDoc(doc);
  97                 return -1;
  98         }
  99
 100         temp->name = NULL;
 101         temp->uuid = NULL;
 102         temp->voices = NULL;
 103         temp->setting = NULL;
 104         temp->pitch_support = false;
 105
 106         while (cur != NULL) {
 107                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_NAME)) {
 108                         key = xmlNodeGetContent(cur);
 109                         if (NULL != key) {
 110                                 if (NULL != temp->name) free(temp->name);
 111                                 temp->name = strdup((char*)key);
 112                                 xmlFree(key);
 113                         } else {
 114                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_NAME);
 115                         }
 116                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_ID)) {
 117                         key = xmlNodeGetContent(cur);
 118                         if (NULL != key) {
 119                                 if (NULL != temp->uuid) free(temp->uuid);
 120                                 temp->uuid = strdup((char*)key);
 121                                 xmlFree(key);
 122                         } else {
 123                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_ID);
 124                         }
 125                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_SETTING)) {
 126                         key = xmlNodeGetContent(cur);
 127                         if (NULL != key) {
 128                                 if (NULL != temp->setting)      free(temp->setting);
 129                                 temp->setting = strdup((char*)key);
 130                                 xmlFree(key);
 131                         } else {
 132                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_SETTING);
 133                         }
 134                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_VOICE_SET)) {
 135                         xmlNodePtr voice_node = NULL;
 136                         voice_node = cur->xmlChildrenNode;
 137
 138                         while (NULL != voice_node) {
 139                                 if (0 == xmlStrcmp(voice_node->name, (const xmlChar *)TTS_TAG_ENGINE_VOICE)) {
 140                                         tts_config_voice_s* temp_voice = (tts_config_voice_s*)calloc(1, sizeof(tts_config_voice_s));
 141                                         if (NULL == temp_voice) {
 142                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Out of memory");
 143                                                 break;
 144                                         }
 145
 146                                         attr = xmlGetProp(voice_node, (const xmlChar*)TTS_TAG_ENGINE_VOICE_TYPE);
 147                                         if (NULL != attr) {
 148                                                 if (0 == xmlStrcmp(attr, (const xmlChar *)TTS_TAG_VOICE_TYPE_FEMALE)) {
 149                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_FEMALE;
 150                                                 } else if (0 == xmlStrcmp(attr, (const xmlChar *)TTS_TAG_VOICE_TYPE_MALE)) {
 151                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_MALE;
 152                                                 } else if (0 == xmlStrcmp(attr, (const xmlChar *)TTS_TAG_VOICE_TYPE_CHILD)) {
 153                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_CHILD;
 154                                                 } else {
 155                                                         temp_voice->type = (int)TTS_CONFIG_VOICE_TYPE_USER_DEFINED;
 156                                                 }
 157                                                 xmlFree(attr);
 158                                         } else {
 159                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_VOICE_TYPE);
 160                                                 free(temp_voice);
 161                                                 temp_voice = NULL;
 162                                                 continue;
 163                                         }
 164
 165                                         key = xmlNodeGetContent(voice_node);
 166                                         if (NULL != key) {
 167                                                 if (NULL != temp_voice->language)       free(temp_voice->language);
 168                                                 temp_voice->language = strdup((char*)key);
 169                                                 xmlFree(key);
 170                                                 temp->voices = g_slist_append(temp->voices, temp_voice);
 171                                         } else {
 172                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_VOICE);
 173                                                 if (NULL != temp_voice) {
 174                                                         free(temp_voice);
 175                                                         temp_voice = NULL;
 176                                                 }
 177                                         }
 178                                 }
 179                                 voice_node = voice_node->next;
 180                         }
 181                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_ENGINE_PITCH_SUPPORT)) {
 182                         key = xmlNodeGetContent(cur);
 183                         if (NULL != key) {
 184                                 if (0 == xmlStrcmp(key, (const xmlChar *)"true")) {
 185                                         temp->pitch_support = true;
 186                                 }
 187                                 xmlFree(key);
 188                                 key = NULL;
 189                         } else {
 190                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] <%s> has no content", TTS_TAG_ENGINE_PITCH_SUPPORT);
 191                         }
 192                 }
 193                 cur = cur->next;
 194         }
 195
 196         xmlFreeDoc(doc);
 197         doc = NULL;
 198
 199         if (NULL == temp->name || NULL == temp->uuid) {
 200                 /* Invalid engine */
 201                 SECURE_SLOG(LOG_ERROR, tts_tag(), "[ERROR] Invalid engine : %s", path);
 202                 tts_parser_free_engine_info(temp);
 203                 return -1;
 204         }
 205
 206         *engine_info = temp;
 207
 208         return 0;
 209 }
 210
 211 int tts_parser_free_engine_info(tts_engine_info_s* engine_info)
 212 {
 213         if (NULL == engine_info) {
 214                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 215                 return -1;
 216         }
 217
 218         if (NULL != engine_info->name)          free(engine_info->name);
 219         if (NULL != engine_info->uuid)          free(engine_info->uuid);
 220         if (NULL != engine_info->setting)       free(engine_info->setting);
 221
 222         tts_config_voice_s *temp_voice;
 223         temp_voice = g_slist_nth_data(engine_info->voices, 0);
 224
 225         while (NULL != temp_voice) {
 226                 if (NULL != temp_voice) {
 227                         if (NULL != temp_voice->language)       free(temp_voice->language);
 228                         engine_info->voices = g_slist_remove(engine_info->voices, temp_voice);
 229                         free(temp_voice);
 230                 }
 231
 232                 temp_voice = g_slist_nth_data(engine_info->voices, 0);
 233         }
 234
 235         if (NULL != engine_info)        free(engine_info);
 236
 237         return 0;
 238 }
 239
 240 int tts_parser_print_engine_info(tts_engine_info_s* engine_info)
 241 {
 242         if (NULL == engine_info) {
 243                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 244                 return -1;
 245         }
 246
 247         SLOG(LOG_DEBUG, tts_tag(), "== get engine info ==");
 248         SLOG(LOG_DEBUG, tts_tag(), " name : %s", engine_info->name);
 249         SLOG(LOG_DEBUG, tts_tag(), " id   : %s", engine_info->uuid);
 250         if (NULL != engine_info->setting)
 251                 SLOG(LOG_DEBUG, tts_tag(), " setting : %s", engine_info->setting);
 252
 253         SLOG(LOG_DEBUG, tts_tag(), " voices");
 254         GSList *iter = NULL;
 255         tts_config_voice_s *temp_voice;
 256
 257         if (g_slist_length(engine_info->voices) > 0) {
 258                 /* Get a first item */
 259                 iter = g_slist_nth(engine_info->voices, 0);
 260
 261                 int i = 1;
 262                 while (NULL != iter) {
 263                         /*Get handle data from list*/
 264                         temp_voice = iter->data;
 265
 266                         SLOG(LOG_DEBUG, tts_tag(), "  [%dth] type(%d) lang(%s)",
 267                                 i, temp_voice->type, temp_voice->language);
 268
 269                         /*Get next item*/
 270                         iter = g_slist_next(iter);
 271                         i++;
 272                 }
 273         } else {
 274                 SLOG(LOG_ERROR, tts_tag(), "  Voice is NONE");
 275         }
 276
 277         SLOG(LOG_DEBUG, tts_tag(), "=====================");
 278
 279         return 0;
 280 }
 281
 282 int tts_parser_load_config(tts_config_s** config_info)
 283 {
 284         if (NULL == config_info) {
 285                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 286                 return -1;
 287         }
 288
 289         xmlDocPtr doc = NULL;
 290         xmlNodePtr cur = NULL;
 291         xmlChar *key;
 292         bool is_default_open = false;
 293
 294         /* For Thread safety */
 295         xmlInitParser();
 296
 297         if (0 != access(TTS_CONFIG, F_OK)) {
 298                 doc = xmlParseFile(TTS_DEFAULT_CONFIG);
 299                 if (doc == NULL) {
 300                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", TTS_DEFAULT_CONFIG);
 301                         return -1;
 302                 }
 303                 is_default_open = true;
 304         } else {
 305                 int retry_count = 0;
 306
 307                 while (NULL == doc) {
 308                         doc = xmlParseFile(TTS_CONFIG);
 309                         if (NULL != doc) {
 310                                 break;
 311                         }
 312                         retry_count++;
 313                         usleep(10000);
 314
 315                         if (TTS_RETRY_COUNT == retry_count) {
 316                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", TTS_CONFIG);
 317                                 return -1;
 318                         }
 319                 }
 320         }
 321
 322         cur = xmlDocGetRootElement(doc);
 323         if (cur == NULL) {
 324                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 325                 xmlFreeDoc(doc);
 326                 doc = NULL;
 327                 return -1;
 328         }
 329
 330         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 331                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 332                 xmlFreeDoc(doc);
 333                 doc = NULL;
 334                 return -1;
 335         }
 336
 337         cur = cur->xmlChildrenNode;
 338         if (cur == NULL) {
 339                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 340                 xmlFreeDoc(doc);
 341                 doc = NULL;
 342                 return -1;
 343         }
 344
 345         /* alloc engine info */
 346         tts_config_s* temp;
 347         temp = (tts_config_s*)calloc(1, sizeof(tts_config_s));
 348         if (NULL == temp) {
 349                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Out of memory");
 350                 xmlFreeDoc(doc);
 351                 return -1;
 352         }
 353
 354         temp->engine_id = NULL;
 355         temp->setting = NULL;
 356         temp->language = NULL;
 357
 358         while (cur != NULL) {
 359                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_ID)) {
 360                         key = xmlNodeGetContent(cur);
 361                         if (NULL != key) {
 362                                 if (NULL != temp->engine_id)    free(temp->engine_id);
 363                                 temp->engine_id = strdup((char*)key);
 364                                 xmlFree(key);
 365                         } else {
 366                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] engine id is NULL");
 367                         }
 368                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 369                         key = xmlNodeGetContent(cur);
 370                         if (NULL != key) {
 371                                 if (NULL != temp->setting)      free(temp->setting);
 372                                 temp->setting = strdup((char*)key);
 373                                 xmlFree(key);
 374                         } else {
 375                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] setting path is NULL");
 376                         }
 377
 378                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_AUTO_VOICE)) {
 379                         key = xmlNodeGetContent(cur);
 380                         if (NULL != key) {
 381                                 if (0 == xmlStrcmp(key, (const xmlChar *)"on")) {
 382                                         temp->auto_voice = true;
 383                                 } else if (0 == xmlStrcmp(key, (const xmlChar *)"off")) {
 384                                         temp->auto_voice = false;
 385                                 } else {
 386                                         SLOG(LOG_ERROR, tts_tag(), "Auto voice is wrong");
 387                                         temp->auto_voice = true;
 388                                 }
 389
 390                                 xmlFree(key);
 391                         } else {
 392                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] voice type is NULL");
 393                         }
 394                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_VOICE_TYPE)) {
 395                         key = xmlNodeGetContent(cur);
 396                         if (NULL != key) {
 397                                 if (0 == xmlStrcmp(key, (const xmlChar *)TTS_TAG_VOICE_TYPE_MALE)) {
 398                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_MALE;
 399                                 } else if (0 == xmlStrcmp(key, (const xmlChar *)TTS_TAG_VOICE_TYPE_FEMALE)) {
 400                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_FEMALE;
 401                                 } else if (0 == xmlStrcmp(key, (const xmlChar *)TTS_TAG_VOICE_TYPE_CHILD)) {
 402                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_CHILD;
 403                                 } else {
 404                                         SLOG(LOG_WARN, tts_tag(), "Voice type is user defined");
 405                                         temp->type = (int)TTS_CONFIG_VOICE_TYPE_USER_DEFINED;
 406                                 }
 407
 408                                 xmlFree(key);
 409                         } else {
 410                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] voice type is NULL");
 411                         }
 412                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_LANGUAGE)) {
 413                         key = xmlNodeGetContent(cur);
 414                         if (NULL != key) {
 415                                 if (NULL != temp->language)     free(temp->language);
 416                                 temp->language = strdup((char*)key);
 417                                 xmlFree(key);
 418                         } else {
 419                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] engine uuid is NULL");
 420                         }
 421
 422                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_SPEECH_RATE)) {
 423                         key = xmlNodeGetContent(cur);
 424                         if (NULL != key) {
 425                                 temp->speech_rate = atoi((char*)key);
 426                                 xmlFree(key);
 427                         } else {
 428                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] speech rate is NULL");
 429                         }
 430                 } else if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_PITCH)) {
 431                         key = xmlNodeGetContent(cur);
 432                         if (NULL != key) {
 433                                 temp->pitch = atoi((char*)key);
 434                                 xmlFree(key);
 435                         } else {
 436                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Pitch is NULL");
 437                         }
 438                 } else {
 439
 440                 }
 441
 442                 cur = cur->next;
 443         }
 444
 445         *config_info = temp;
 446         g_config_doc = doc;
 447
 448         if (true == is_default_open) {
 449                 int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 450                 if (0 > ret) {
 451                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 452                 }
 453
 454                 /* Set mode */
 455                 if (0 > chmod(TTS_CONFIG, 0666)) {
 456                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to change file mode : %d", ret);
 457                 }
 458
 459                 /* Set owner */
 460                 if (0 > chown(TTS_CONFIG, 5000, 5000)) {
 461                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to change file owner : %d", ret);
 462                 }
 463                 SLOG(LOG_DEBUG, tts_tag(), "Default config is changed : pid(%d)", getpid());
 464         }
 465
 466         return 0;
 467 }
 468
 469 int tts_parser_unload_config(tts_config_s* config_info)
 470 {
 471         if (NULL != g_config_doc) {
 472                 xmlFreeDoc(g_config_doc);
 473                 g_config_doc = NULL;
 474         }
 475         if (NULL != config_info) {
 476                 if (NULL != config_info->engine_id)     free(config_info->engine_id);
 477                 if (NULL != config_info->setting)       free(config_info->setting);
 478                 if (NULL != config_info->language)      free(config_info->language);
 479                 free(config_info);
 480         }
 481
 482         return 0;
 483 }
 484
 485
 486 int tts_parser_copy_xml(const char* original, const char* destination)
 487 {
 488         if (NULL == original || NULL == destination) {
 489                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 490                 return -1;
 491         }
 492
 493         xmlDocPtr doc = NULL;
 494         doc = xmlParseFile(original);
 495         if (doc == NULL) {
 496                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", original);
 497                 return -1;
 498         }
 499
 500         int ret = xmlSaveFile(destination, doc);
 501         if (0 > ret) {
 502                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 503         }
 504
 505         /* Set mode */
 506         if (0 > chmod(destination, 0666)) {
 507                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to change file mode : %d", ret);
 508         }
 509
 510         xmlFreeDoc(doc);
 511         SLOG(LOG_DEBUG, tts_tag(), "[SUCCESS] Copying xml");
 512
 513         return 0;
 514 }
 515
 516 int tts_parser_set_engine(const char* engine_id, const char* setting, const char* language, int type)
 517 {
 518         if (NULL == engine_id) {
 519                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 520                 return -1;
 521         }
 522
 523         xmlNodePtr cur = NULL;
 524         cur = xmlDocGetRootElement(g_config_doc);
 525         if (cur == NULL) {
 526                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 527                 return -1;
 528         }
 529
 530         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 531                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 532                 return -1;
 533         }
 534
 535         cur = cur->xmlChildrenNode;
 536         if (cur == NULL) {
 537                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 538                 return -1;
 539         }
 540
 541         while (cur != NULL) {
 542                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_ID)) {
 543                         xmlNodeSetContent(cur, (const xmlChar *)engine_id);
 544                 }
 545
 546                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_LANGUAGE)) {
 547                         xmlNodeSetContent(cur, (const xmlChar *)language);
 548                 }
 549
 550                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 551                         xmlNodeSetContent(cur, (const xmlChar *)setting);
 552                 }
 553
 554                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_VOICE_TYPE)) {
 555                         switch (type) {
 556                         case TTS_CONFIG_VOICE_TYPE_MALE:        xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_MALE);        break;
 557                         case TTS_CONFIG_VOICE_TYPE_FEMALE:      xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);      break;
 558                         case TTS_CONFIG_VOICE_TYPE_CHILD:       xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_CHILD);       break;
 559                         default:                                xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);      break;
 560                         }
 561                 }
 562
 563                 cur = cur->next;
 564         }
 565
 566         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 567         if (0 > ret) {
 568                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 569         }
 570
 571         return 0;
 572 }
 573
 574 int tts_parser_set_voice(const char* language, int type)
 575 {
 576         if (NULL == language) {
 577                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 578                 return -1;
 579         }
 580
 581         xmlNodePtr cur = NULL;
 582         cur = xmlDocGetRootElement(g_config_doc);
 583         if (cur == NULL) {
 584                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 585                 return -1;
 586         }
 587
 588         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 589                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 590                 return -1;
 591         }
 592
 593         cur = cur->xmlChildrenNode;
 594         if (cur == NULL) {
 595                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 596                 return -1;
 597         }
 598
 599         while (cur != NULL) {
 600                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_LANGUAGE)) {
 601                         xmlNodeSetContent(cur, (const xmlChar *)language);
 602                 }
 603
 604                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_VOICE_TYPE)) {
 605                         switch (type) {
 606                         case TTS_CONFIG_VOICE_TYPE_MALE:        xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_MALE);        break;
 607                         case TTS_CONFIG_VOICE_TYPE_FEMALE:      xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);      break;
 608                         case TTS_CONFIG_VOICE_TYPE_CHILD:       xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_CHILD);       break;
 609                         default:
 610                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Invalid type : %d", type);
 611                                 xmlNodeSetContent(cur, (const xmlChar*)TTS_TAG_VOICE_TYPE_FEMALE);
 612                                 break;
 613                         }
 614                 }
 615
 616                 cur = cur->next;
 617         }
 618
 619         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 620         if (0 > ret) {
 621                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 622         }
 623
 624         return 0;
 625 }
 626
 627 int tts_parser_set_auto_voice(bool value)
 628 {
 629         xmlNodePtr cur = NULL;
 630         cur = xmlDocGetRootElement(g_config_doc);
 631         if (cur == NULL) {
 632                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 633                 return -1;
 634         }
 635
 636         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 637                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 638                 return -1;
 639         }
 640
 641         cur = cur->xmlChildrenNode;
 642         if (cur == NULL) {
 643                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 644                 return -1;
 645         }
 646
 647         while (cur != NULL) {
 648                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_AUTO_VOICE)) {
 649                         if (true == value) {
 650                                 xmlNodeSetContent(cur, (const xmlChar *)"on");
 651                         } else if (false == value) {
 652                                 xmlNodeSetContent(cur, (const xmlChar *)"off");
 653                         } else {
 654                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong value of auto voice");
 655                                 return -1;
 656                         }
 657                         break;
 658                 }
 659                 cur = cur->next;
 660         }
 661
 662         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 663         if (0 > ret) {
 664                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 665         }
 666
 667         return 0;
 668 }
 669
 670 int tts_parser_set_speech_rate(int value)
 671 {
 672         xmlNodePtr cur = NULL;
 673         cur = xmlDocGetRootElement(g_config_doc);
 674         if (cur == NULL) {
 675                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 676                 return -1;
 677         }
 678
 679         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 680                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 681                 return -1;
 682         }
 683
 684         cur = cur->xmlChildrenNode;
 685         if (cur == NULL) {
 686                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 687                 return -1;
 688         }
 689
 690         while (cur != NULL) {
 691                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_SPEECH_RATE)) {
 692                         char temp[10];
 693                         memset(temp, '\0', 10);
 694                         snprintf(temp, 10, "%d", value);
 695
 696                         xmlNodeSetContent(cur, (const xmlChar *)temp);
 697
 698                         SLOG(LOG_DEBUG, tts_tag(), "Set speech rate : %s", temp);
 699                         break;
 700                 }
 701
 702                 cur = cur->next;
 703         }
 704
 705         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 706         if (0 > ret) {
 707                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 708         }
 709
 710         return 0;
 711 }
 712
 713 int tts_parser_set_pitch(int value)
 714 {
 715         xmlNodePtr cur = NULL;
 716         cur = xmlDocGetRootElement(g_config_doc);
 717         if (cur == NULL) {
 718                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 719                 return -1;
 720         }
 721
 722         if (xmlStrcmp(cur->name, (const xmlChar *) TTS_TAG_CONFIG_BASE_TAG)) {
 723                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 724                 return -1;
 725         }
 726
 727         cur = cur->xmlChildrenNode;
 728         if (cur == NULL) {
 729                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 730                 return -1;
 731         }
 732
 733         while (cur != NULL) {
 734                 if (0 == xmlStrcmp(cur->name, (const xmlChar *)TTS_TAG_CONFIG_PITCH)) {
 735                         char temp[10];
 736                         memset(temp, '\0', 10);
 737                         snprintf(temp, 10, "%d", value);
 738                         xmlNodeSetContent(cur, (const xmlChar *)temp);
 739                         break;
 740                 }
 741
 742                 cur = cur->next;
 743         }
 744
 745         int ret = xmlSaveFile(TTS_CONFIG, g_config_doc);
 746         if (0 > ret) {
 747                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Save result : %d", ret);
 748         }
 749
 750         return 0;
 751 }
 752
 753 int tts_parser_find_config_changed(char** engine, char**setting, bool* auto_voice, char** language, int* voice_type,
 754                                    int* speech_rate, int* pitch)
 755 {
 756         if (NULL == engine || NULL == setting || NULL == language || NULL == voice_type || NULL == speech_rate) {
 757                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Input parameter is NULL");
 758                 return -1;
 759         }
 760
 761         xmlDocPtr doc = NULL;
 762         xmlNodePtr cur_new = NULL;
 763         xmlNodePtr cur_old = NULL;
 764
 765         xmlChar *key_new;
 766         xmlChar *key_old;
 767
 768         int retry_count = 0;
 769         while (NULL == doc) {
 770                 doc = xmlParseFile(TTS_CONFIG);
 771                 if (NULL != doc) {
 772                         break;
 773                 }
 774                 retry_count++;
 775                 usleep(10000);
 776
 777                 if (TTS_RETRY_COUNT == retry_count) {
 778                         SLOG(LOG_ERROR, tts_tag(), "[ERROR] Fail to parse file error : %s", TTS_CONFIG);
 779                         return -1;
 780                 }
 781         }
 782
 783         cur_new = xmlDocGetRootElement(doc);
 784         cur_old = xmlDocGetRootElement(g_config_doc);
 785         if (cur_new == NULL || cur_old == NULL) {
 786                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 787                 xmlFreeDoc(doc);
 788                 doc = NULL;
 789                 return -1;
 790         }
 791
 792         if (xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_BASE_TAG) ||
 793         xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_BASE_TAG)) {
 794                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] The wrong type, root node is NOT %s", TTS_TAG_CONFIG_BASE_TAG);
 795                 xmlFreeDoc(doc);
 796                 doc = NULL;
 797                 return -1;
 798         }
 799
 800         cur_new = cur_new->xmlChildrenNode;
 801         cur_old = cur_old->xmlChildrenNode;
 802         if (cur_new == NULL || cur_old == NULL) {
 803                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] Empty document");
 804                 xmlFreeDoc(doc);
 805                 doc = NULL;
 806                 return -1;
 807         }
 808
 809         while (cur_new != NULL && cur_old != NULL) {
 810                 if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_ID)) {
 811                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_ID)) {
 812                                 key_old = xmlNodeGetContent(cur_old);
 813                                 if (NULL != key_old) {
 814                                         key_new = xmlNodeGetContent(cur_new);
 815                                         if (NULL != key_new) {
 816                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 817                                                         SLOG(LOG_DEBUG, tts_tag(), "Old engine id(%s), New engine(%s)",
 818                                                                 (char*)key_old, (char*)key_new);
 819                                                         if (NULL != *engine)    free(*engine);
 820                                                         *engine = strdup((char*)key_new);
 821                                                 }
 822                                                 xmlFree(key_new);
 823                                         }
 824                                         xmlFree(key_old);
 825                                 }
 826                         } else {
 827                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 828                         }
 829                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 830                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_ENGINE_SETTING)) {
 831                                 key_old = xmlNodeGetContent(cur_old);
 832                                 if (NULL != key_old) {
 833                                         key_new = xmlNodeGetContent(cur_new);
 834                                         if (NULL != key_new) {
 835                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 836                                                         SLOG(LOG_DEBUG, tts_tag(), "Old engine setting(%s), New engine setting(%s)",
 837                                                                 (char*)key_old, (char*)key_new);
 838                                                         if (NULL != *setting)   free(*setting);
 839                                                         *setting = strdup((char*)key_new);
 840                                                 }
 841                                                 xmlFree(key_new);
 842                                         }
 843                                         xmlFree(key_old);
 844                                 }
 845                         } else {
 846                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 847                         }
 848                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_AUTO_VOICE)) {
 849                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_AUTO_VOICE)) {
 850                                 key_old = xmlNodeGetContent(cur_old);
 851                                 if (NULL != key_old) {
 852                                         key_new = xmlNodeGetContent(cur_new);
 853                                         if (NULL != key_new) {
 854                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 855                                                         SLOG(LOG_DEBUG, tts_tag(), "Old auto voice (%s), New auto voice(%s)",
 856                                                                 (char*)key_old, (char*)key_new);
 857                                                         if (0 == xmlStrcmp((const xmlChar*)"on", key_new)) {
 858                                                                 *auto_voice = true;
 859                                                         } else {
 860                                                                 *auto_voice = false;
 861                                                         }
 862                                                 }
 863                                                 xmlFree(key_new);
 864                                         }
 865                                         xmlFree(key_old);
 866                                 }
 867                         } else {
 868                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 869                         }
 870                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_LANGUAGE)) {
 871                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_LANGUAGE)) {
 872                                 key_old = xmlNodeGetContent(cur_old);
 873                                 if (NULL != key_old) {
 874                                         key_new = xmlNodeGetContent(cur_new);
 875                                         if (NULL != key_new) {
 876                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 877                                                         SLOG(LOG_DEBUG, tts_tag(), "Old language(%s), New language(%s)",
 878                                                                 (char*)key_old, (char*)key_new);
 879                                                         if (NULL != *language)  free(*language);
 880                                                         *language = strdup((char*)key_new);
 881                                                 }
 882                                                 xmlFree(key_new);
 883                                         }
 884                                         xmlFree(key_old);
 885                                 }
 886                         } else {
 887                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 888                         }
 889                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_VOICE_TYPE)) {
 890                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_VOICE_TYPE)) {
 891                                 key_old = xmlNodeGetContent(cur_old);
 892                                 if (NULL != key_old) {
 893                                         key_new = xmlNodeGetContent(cur_new);
 894                                         if (NULL != key_new) {
 895                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 896                                                         SLOG(LOG_DEBUG, tts_tag(), "Old voice type(%s), New voice type(%s)",
 897                                                                 (char*)key_old, (char*)key_new);
 898                                                         if (0 == xmlStrcmp(key_new, (const xmlChar *)TTS_TAG_VOICE_TYPE_FEMALE)) {
 899                                                                 *voice_type = (int)TTS_CONFIG_VOICE_TYPE_FEMALE;
 900                                                         } else if (0 == xmlStrcmp(key_new, (const xmlChar *)TTS_TAG_VOICE_TYPE_MALE)) {
 901                                                                 *voice_type = (int)TTS_CONFIG_VOICE_TYPE_MALE;
 902                                                         } else if (0 == xmlStrcmp(key_new, (const xmlChar *)TTS_TAG_VOICE_TYPE_CHILD)) {
 903                                                                 *voice_type = (int)TTS_CONFIG_VOICE_TYPE_CHILD;
 904                                                         } else {
 905                                                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] New voice type is not valid");
 906                                                         }
 907                                                 }
 908                                                 xmlFree(key_new);
 909                                         }
 910                                         xmlFree(key_old);
 911                                 }
 912                         } else {
 913                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 914                         }
 915                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_SPEECH_RATE)) {
 916                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_SPEECH_RATE)) {
 917                                 key_old = xmlNodeGetContent(cur_old);
 918                                 if (NULL != key_old) {
 919                                         key_new = xmlNodeGetContent(cur_new);
 920                                         if (NULL != key_new) {
 921                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 922                                                         SLOG(LOG_DEBUG, tts_tag(), "Old speech rate(%s), New speech rate(%s)",
 923                                                                 (char*)key_old, (char*)key_new);
 924                                                         *speech_rate = atoi((char*)key_new);
 925                                                 }
 926                                                 xmlFree(key_new);
 927                                         }
 928                                         xmlFree(key_old);
 929                                 }
 930                         } else {
 931                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 932                         }
 933                 } else if (0 == xmlStrcmp(cur_new->name, (const xmlChar*)TTS_TAG_CONFIG_PITCH)) {
 934                         if (0 == xmlStrcmp(cur_old->name, (const xmlChar*)TTS_TAG_CONFIG_PITCH)) {
 935                                 key_old = xmlNodeGetContent(cur_old);
 936                                 if (NULL != key_old) {
 937                                         key_new = xmlNodeGetContent(cur_new);
 938                                         if (NULL != key_new) {
 939                                                 if (0 != xmlStrcmp(key_old, key_new)) {
 940                                                         SLOG(LOG_DEBUG, tts_tag(), "Old pitch(%s), New pitch(%s)",
 941                                                                 (char*)key_old, (char*)key_new);
 942                                                         *pitch = atoi((char*)key_new);
 943                                                 }
 944                                                 xmlFree(key_new);
 945                                         }
 946                                         xmlFree(key_old);
 947                                 }
 948                         } else {
 949                                 SLOG(LOG_ERROR, tts_tag(), "[ERROR] old config and new config are different");
 950                         }
 951                 } else {
 952
 953                 }
 954
 955                 cur_new = cur_new->next;
 956                 cur_old = cur_old->next;
 957         }
 958
 959         if (NULL != g_config_doc) {
 960                 xmlFreeDoc(g_config_doc);
 961                 g_config_doc = NULL;
 962         }
 963         g_config_doc = doc;
 964
 965         return 0;
 966 }