src/settings.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "settings.h"
  21 #include "irrlichttypes_bloated.h"
  22 #include "exceptions.h"
  23 #include "jthread/jmutexautolock.h"
  24 #include "strfnd.h"
  25 #include <iostream>
  26 #include <fstream>
  27 #include <sstream>
  28 #include "debug.h"
  29 #include "log.h"
  30 #include "util/serialize.h"
  31 #include "filesys.h"
  32 #include "noise.h"
  33 #include <cctype>
  34 #include <algorithm>
  35
  36
  37 Settings::~Settings()
  38 {
  39         std::map<std::string, SettingsEntry>::const_iterator it;
  40         for (it = m_settings.begin(); it != m_settings.end(); ++it)
  41                 delete it->second.group;
  42 }
  43
  44
  45 Settings & Settings::operator += (const Settings &other)
  46 {
  47         update(other);
  48
  49         return *this;
  50 }
  51
  52
  53 Settings & Settings::operator = (const Settings &other)
  54 {
  55         if (&other == this)
  56                 return *this;
  57
  58         JMutexAutoLock lock(m_mutex);
  59         JMutexAutoLock lock2(other.m_mutex);
  60
  61         clearNoLock();
  62         updateNoLock(other);
  63
  64         return *this;
  65 }
  66
  67
  68 std::string Settings::sanitizeString(const std::string &value)
  69 {
  70         std::string str = value;
  71         for (const char *s = "\t\n\v\f\r\b =\""; *s; s++)
  72                 str.erase(std::remove(str.begin(), str.end(), *s), str.end());
  73
  74         return str;
  75 }
  76
  77
  78 std::string Settings::getMultiline(std::istream &is)
  79 {
  80         std::string value;
  81         std::string line;
  82
  83         while (is.good()) {
  84                 std::getline(is, line);
  85                 if (line == "\"\"\"")
  86                         break;
  87                 value += line;
  88                 value.push_back('\n');
  89         }
  90
  91         size_t len = value.size();
  92         if (len)
  93                 value.erase(len - 1);
  94
  95         return value;
  96 }
  97
  98
  99 bool Settings::parseConfigLines(std::istream &is, const std::string &end)
 100 {
 101         JMutexAutoLock lock(m_mutex);
 102
 103         std::string line, name, value;
 104
 105         while (is.good()) {
 106                 std::getline(is, line);
 107                 SettingsParseEvent event = parseConfigObject(line, end, name, value);
 108
 109                 switch (event) {
 110                 case SPE_NONE:
 111                 case SPE_INVALID:
 112                 case SPE_COMMENT:
 113                         break;
 114                 case SPE_KVPAIR:
 115                         m_settings[name] = SettingsEntry(value);
 116                         break;
 117                 case SPE_END:
 118                         return true;
 119                 case SPE_GROUP: {
 120                         Settings *branch = new Settings;
 121                         if (!branch->parseConfigLines(is, "}"))
 122                                 return false;
 123
 124                         m_settings[name] = SettingsEntry(branch);
 125                         break;
 126                 }
 127                 case SPE_MULTILINE:
 128                         m_settings[name] = SettingsEntry(getMultiline(is));
 129                         break;
 130                 }
 131         }
 132
 133         return end.empty();
 134 }
 135
 136
 137 bool Settings::readConfigFile(const char *filename)
 138 {
 139         std::ifstream is(filename);
 140         if (!is.good())
 141                 return false;
 142
 143         return parseConfigLines(is, "");
 144 }
 145
 146
 147 void Settings::writeLines(std::ostream &os, u32 tab_depth) const
 148 {
 149         JMutexAutoLock lock(m_mutex);
 150
 151         for (std::map<std::string, SettingsEntry>::const_iterator
 152                         it = m_settings.begin();
 153                         it != m_settings.end(); ++it) {
 154                 bool is_multiline = it->second.value.find('\n') != std::string::npos;
 155                 printValue(os, it->first, it->second, is_multiline, tab_depth);
 156         }
 157 }
 158
 159
 160 void Settings::printValue(std::ostream &os, const std::string &name,
 161         const SettingsEntry &entry, bool is_value_multiline, u32 tab_depth)
 162 {
 163         for (u32 i = 0; i != tab_depth; i++)
 164                 os << "\t";
 165         os << name << " = ";
 166
 167         if (is_value_multiline)
 168                 os << "\"\"\"\n" << entry.value << "\n\"\"\"\n";
 169         else
 170                 os << entry.value << "\n";
 171
 172         Settings *group = entry.group;
 173         if (group) {
 174                 for (u32 i = 0; i != tab_depth; i++)
 175                         os << "\t";
 176
 177                 os << name << " = {\n";
 178                 group->writeLines(os, tab_depth + 1);
 179
 180                 for (u32 i = 0; i != tab_depth; i++)
 181                         os << "\t";
 182
 183                 os << "}\n";
 184         }
 185 }
 186
 187
 188 bool Settings::updateConfigObject(std::istream &is, std::ostream &os,
 189         const std::string &end, u32 tab_depth)
 190 {
 191         std::map<std::string, SettingsEntry>::const_iterator it;
 192         std::set<std::string> settings_in_config;
 193         bool was_modified = false;
 194         bool end_found = false;
 195         std::string line, name, value;
 196
 197         // Add any settings that exist in the config file with the current value
 198         // in the object if existing
 199         while (is.good() && !end_found) {
 200                 std::getline(is, line);
 201                 SettingsParseEvent event = parseConfigObject(line, end, name, value);
 202
 203                 switch (event) {
 204                 case SPE_END:
 205                         end_found = true;
 206                         break;
 207                 case SPE_KVPAIR:
 208                 case SPE_MULTILINE:
 209                         it = m_settings.find(name);
 210                         if (it != m_settings.end()) {
 211                                 if (event == SPE_MULTILINE)
 212                                         value = getMultiline(is);
 213
 214                                 if (value != it->second.value) {
 215                                         value = it->second.value;
 216                                         was_modified = true;
 217                                 }
 218                         }
 219
 220                         settings_in_config.insert(name);
 221
 222                         printValue(os, name, SettingsEntry(value),
 223                                 event == SPE_MULTILINE, tab_depth);
 224
 225                         break;
 226                 case SPE_GROUP: {
 227                         Settings *group = NULL;
 228                         it = m_settings.find(name);
 229                         if (it != m_settings.end())
 230                                 group = it->second.group;
 231
 232                         settings_in_config.insert(name);
 233
 234                         os << name << " = {\n";
 235
 236                         if (group) {
 237                                 was_modified |= group->updateConfigObject(is, os, "}", tab_depth + 1);
 238                         } else {
 239                                 Settings dummy_settings;
 240                                 dummy_settings.updateConfigObject(is, os, "}", tab_depth + 1);
 241                         }
 242
 243                         for (u32 i = 0; i != tab_depth; i++)
 244                                 os << "\t";
 245                         os << "}\n";
 246                         break;
 247                 }
 248                 default:
 249                         os << line << (is.eof() ? "" : "\n");
 250                         break;
 251                 }
 252         }
 253
 254         // Add any settings in the object that don't exist in the config file yet
 255         for (it = m_settings.begin(); it != m_settings.end(); ++it) {
 256                 if (settings_in_config.find(it->first) != settings_in_config.end())
 257                         continue;
 258
 259                 was_modified = true;
 260
 261                 bool is_multiline = it->second.value.find('\n') != std::string::npos;
 262                 printValue(os, it->first, it->second, is_multiline, tab_depth);
 263         }
 264
 265         return was_modified;
 266 }
 267
 268
 269 bool Settings::updateConfigFile(const char *filename)
 270 {
 271         JMutexAutoLock lock(m_mutex);
 272
 273         std::ifstream is(filename);
 274         std::ostringstream os(std::ios_base::binary);
 275
 276         if (!updateConfigObject(is, os, ""))
 277                 return true;
 278
 279         if (!fs::safeWriteToFile(filename, os.str())) {
 280                 errorstream << "Error writing configuration file: \""
 281                         << filename << "\"" << std::endl;
 282                 return false;
 283         }
 284
 285         return true;
 286 }
 287
 288
 289 bool Settings::parseCommandLine(int argc, char *argv[],
 290                 std::map<std::string, ValueSpec> &allowed_options)
 291 {
 292         int nonopt_index = 0;
 293         for (int i = 1; i < argc; i++) {
 294                 std::string arg_name = argv[i];
 295                 if (arg_name.substr(0, 2) != "--") {
 296                         // If option doesn't start with -, read it in as nonoptX
 297                         if (arg_name[0] != '-'){
 298                                 std::string name = "nonopt";
 299                                 name += itos(nonopt_index);
 300                                 set(name, arg_name);
 301                                 nonopt_index++;
 302                                 continue;
 303                         }
 304                         errorstream << "Invalid command-line parameter \""
 305                                         << arg_name << "\": --<option> expected." << std::endl;
 306                         return false;
 307                 }
 308
 309                 std::string name = arg_name.substr(2);
 310
 311                 std::map<std::string, ValueSpec>::iterator n;
 312                 n = allowed_options.find(name);
 313                 if (n == allowed_options.end()) {
 314                         errorstream << "Unknown command-line parameter \""
 315                                         << arg_name << "\"" << std::endl;
 316                         return false;
 317                 }
 318
 319                 ValueType type = n->second.type;
 320
 321                 std::string value = "";
 322
 323                 if (type == VALUETYPE_FLAG) {
 324                         value = "true";
 325                 } else {
 326                         if ((i + 1) >= argc) {
 327                                 errorstream << "Invalid command-line parameter \""
 328                                                 << name << "\": missing value" << std::endl;
 329                                 return false;
 330                         }
 331                         value = argv[++i];
 332                 }
 333
 334                 set(name, value);
 335         }
 336
 337         return true;
 338 }
 339
 340
 341
 342 /***********
 343  * Getters *
 344  ***********/
 345
 346
 347 const SettingsEntry &Settings::getEntry(const std::string &name) const
 348 {
 349         JMutexAutoLock lock(m_mutex);
 350
 351         std::map<std::string, SettingsEntry>::const_iterator n;
 352         if ((n = m_settings.find(name)) == m_settings.end()) {
 353                 if ((n = m_defaults.find(name)) == m_defaults.end())
 354                         throw SettingNotFoundException("Setting [" + name + "] not found.");
 355         }
 356         return n->second;
 357 }
 358
 359
 360 Settings *Settings::getGroup(const std::string &name) const
 361 {
 362         Settings *group = getEntry(name).group;
 363         if (group == NULL)
 364                 throw SettingNotFoundException("Setting [" + name + "] is not a group.");
 365         return group;
 366 }
 367
 368
 369 std::string Settings::get(const std::string &name) const
 370 {
 371         return getEntry(name).value;
 372 }
 373
 374
 375 bool Settings::getBool(const std::string &name) const
 376 {
 377         return is_yes(get(name));
 378 }
 379
 380
 381 u16 Settings::getU16(const std::string &name) const
 382 {
 383         return stoi(get(name), 0, 65535);
 384 }
 385
 386
 387 s16 Settings::getS16(const std::string &name) const
 388 {
 389         return stoi(get(name), -32768, 32767);
 390 }
 391
 392
 393 s32 Settings::getS32(const std::string &name) const
 394 {
 395         return stoi(get(name));
 396 }
 397
 398
 399 float Settings::getFloat(const std::string &name) const
 400 {
 401         return stof(get(name));
 402 }
 403
 404
 405 u64 Settings::getU64(const std::string &name) const
 406 {
 407         u64 value = 0;
 408         std::string s = get(name);
 409         std::istringstream ss(s);
 410         ss >> value;
 411         return value;
 412 }
 413
 414
 415 v2f Settings::getV2F(const std::string &name) const
 416 {
 417         v2f value;
 418         Strfnd f(get(name));
 419         f.next("(");
 420         value.X = stof(f.next(","));
 421         value.Y = stof(f.next(")"));
 422         return value;
 423 }
 424
 425
 426 v3f Settings::getV3F(const std::string &name) const
 427 {
 428         v3f value;
 429         Strfnd f(get(name));
 430         f.next("(");
 431         value.X = stof(f.next(","));
 432         value.Y = stof(f.next(","));
 433         value.Z = stof(f.next(")"));
 434         return value;
 435 }
 436
 437
 438 u32 Settings::getFlagStr(const std::string &name, const FlagDesc *flagdesc,
 439         u32 *flagmask) const
 440 {
 441         std::string val = get(name);
 442         return std::isdigit(val[0])
 443                 ? stoi(val)
 444                 : readFlagString(val, flagdesc, flagmask);
 445 }
 446
 447
 448 // N.B. if getStruct() is used to read a non-POD aggregate type,
 449 // the behavior is undefined.
 450 bool Settings::getStruct(const std::string &name, const std::string &format,
 451         void *out, size_t olen) const
 452 {
 453         std::string valstr;
 454
 455         try {
 456                 valstr = get(name);
 457         } catch (SettingNotFoundException &e) {
 458                 return false;
 459         }
 460
 461         if (!deSerializeStringToStruct(valstr, format, out, olen))
 462                 return false;
 463
 464         return true;
 465 }
 466
 467
 468 bool Settings::getNoiseParams(const std::string &name, NoiseParams &np) const
 469 {
 470         return getNoiseParamsFromGroup(name, np) || getNoiseParamsFromValue(name, np);
 471 }
 472
 473
 474 bool Settings::getNoiseParamsFromValue(const std::string &name,
 475         NoiseParams &np) const
 476 {
 477         std::string value;
 478
 479         if (!getNoEx(name, value))
 480                 return false;
 481
 482         Strfnd f(value);
 483
 484         np.offset   = stof(f.next(","));
 485         np.scale    = stof(f.next(","));
 486         f.next("(");
 487         np.spread.X = stof(f.next(","));
 488         np.spread.Y = stof(f.next(","));
 489         np.spread.Z = stof(f.next(")"));
 490         f.next(",");
 491         np.seed     = stoi(f.next(","));
 492         np.octaves  = stoi(f.next(","));
 493         np.persist  = stof(f.next(""));
 494
 495         return true;
 496 }
 497
 498
 499 bool Settings::getNoiseParamsFromGroup(const std::string &name,
 500         NoiseParams &np) const
 501 {
 502         Settings *group = NULL;
 503
 504         if (!getGroupNoEx(name, group))
 505                 return false;
 506
 507         group->getFloatNoEx("offset",      np.offset);
 508         group->getFloatNoEx("scale",       np.scale);
 509         group->getV3FNoEx("spread",        np.spread);
 510         group->getS32NoEx("seed",          np.seed);
 511         group->getU16NoEx("octaves",       np.octaves);
 512         group->getFloatNoEx("persistence", np.persist);
 513
 514         return true;
 515 }
 516
 517
 518 bool Settings::exists(const std::string &name) const
 519 {
 520         JMutexAutoLock lock(m_mutex);
 521
 522         return (m_settings.find(name) != m_settings.end() ||
 523                 m_defaults.find(name) != m_defaults.end());
 524 }
 525
 526
 527 std::vector<std::string> Settings::getNames() const
 528 {
 529         std::vector<std::string> names;
 530         for (std::map<std::string, SettingsEntry>::const_iterator
 531                         i = m_settings.begin();
 532                         i != m_settings.end(); ++i) {
 533                 names.push_back(i->first);
 534         }
 535         return names;
 536 }
 537
 538
 539
 540 /***************************************
 541  * Getters that don't throw exceptions *
 542  ***************************************/
 543
 544 bool Settings::getEntryNoEx(const std::string &name, SettingsEntry &val) const
 545 {
 546         try {
 547                 val = getEntry(name);
 548                 return true;
 549         } catch (SettingNotFoundException &e) {
 550                 return false;
 551         }
 552 }
 553
 554
 555 bool Settings::getGroupNoEx(const std::string &name, Settings *&val) const
 556 {
 557         try {
 558                 val = getGroup(name);
 559                 return true;
 560         } catch (SettingNotFoundException &e) {
 561                 return false;
 562         }
 563 }
 564
 565
 566 bool Settings::getNoEx(const std::string &name, std::string &val) const
 567 {
 568         try {
 569                 val = get(name);
 570                 return true;
 571         } catch (SettingNotFoundException &e) {
 572                 return false;
 573         }
 574 }
 575
 576
 577 bool Settings::getFlag(const std::string &name) const
 578 {
 579         try {
 580                 return getBool(name);
 581         } catch(SettingNotFoundException &e) {
 582                 return false;
 583         }
 584 }
 585
 586
 587 bool Settings::getFloatNoEx(const std::string &name, float &val) const
 588 {
 589         try {
 590                 val = getFloat(name);
 591                 return true;
 592         } catch (SettingNotFoundException &e) {
 593                 return false;
 594         }
 595 }
 596
 597
 598 bool Settings::getU16NoEx(const std::string &name, u16 &val) const
 599 {
 600         try {
 601                 val = getU16(name);
 602                 return true;
 603         } catch (SettingNotFoundException &e) {
 604                 return false;
 605         }
 606 }
 607
 608
 609 bool Settings::getS16NoEx(const std::string &name, s16 &val) const
 610 {
 611         try {
 612                 val = getS16(name);
 613                 return true;
 614         } catch (SettingNotFoundException &e) {
 615                 return false;
 616         }
 617 }
 618
 619
 620 bool Settings::getS32NoEx(const std::string &name, s32 &val) const
 621 {
 622         try {
 623                 val = getS32(name);
 624                 return true;
 625         } catch (SettingNotFoundException &e) {
 626                 return false;
 627         }
 628 }
 629
 630
 631 bool Settings::getU64NoEx(const std::string &name, u64 &val) const
 632 {
 633         try {
 634                 val = getU64(name);
 635                 return true;
 636         } catch (SettingNotFoundException &e) {
 637                 return false;
 638         }
 639 }
 640
 641
 642 bool Settings::getV2FNoEx(const std::string &name, v2f &val) const
 643 {
 644         try {
 645                 val = getV2F(name);
 646                 return true;
 647         } catch (SettingNotFoundException &e) {
 648                 return false;
 649         }
 650 }
 651
 652
 653 bool Settings::getV3FNoEx(const std::string &name, v3f &val) const
 654 {
 655         try {
 656                 val = getV3F(name);
 657                 return true;
 658         } catch (SettingNotFoundException &e) {
 659                 return false;
 660         }
 661 }
 662
 663
 664 // N.B. getFlagStrNoEx() does not set val, but merely modifies it.  Thus,
 665 // val must be initialized before using getFlagStrNoEx().  The intention of
 666 // this is to simplify modifying a flags field from a default value.
 667 bool Settings::getFlagStrNoEx(const std::string &name, u32 &val,
 668         FlagDesc *flagdesc) const
 669 {
 670         try {
 671                 u32 flags, flagmask;
 672
 673                 flags = getFlagStr(name, flagdesc, &flagmask);
 674
 675                 val &= ~flagmask;
 676                 val |=  flags;
 677
 678                 return true;
 679         } catch (SettingNotFoundException &e) {
 680                 return false;
 681         }
 682 }
 683
 684
 685 /***********
 686  * Setters *
 687  ***********/
 688
 689
 690 void Settings::set(const std::string &name, const std::string &value)
 691 {
 692         {
 693         JMutexAutoLock lock(m_mutex);
 694
 695         m_settings[name].value = value;
 696         }
 697         doCallbacks(name);
 698 }
 699
 700
 701 void Settings::setGroup(const std::string &name, Settings *group)
 702 {
 703         JMutexAutoLock lock(m_mutex);
 704
 705         delete m_settings[name].group;
 706         m_settings[name].group = group;
 707 }
 708
 709
 710 void Settings::setDefault(const std::string &name, const std::string &value)
 711 {
 712         JMutexAutoLock lock(m_mutex);
 713
 714         m_defaults[name].value = value;
 715 }
 716
 717
 718 void Settings::setGroupDefault(const std::string &name, Settings *group)
 719 {
 720         JMutexAutoLock lock(m_mutex);
 721
 722         delete m_defaults[name].group;
 723         m_defaults[name].group = group;
 724 }
 725
 726
 727 void Settings::setBool(const std::string &name, bool value)
 728 {
 729         set(name, value ? "true" : "false");
 730 }
 731
 732
 733 void Settings::setS16(const std::string &name, s16 value)
 734 {
 735         set(name, itos(value));
 736 }
 737
 738
 739 void Settings::setU16(const std::string &name, u16 value)
 740 {
 741         set(name, itos(value));
 742 }
 743
 744
 745 void Settings::setS32(const std::string &name, s32 value)
 746 {
 747         set(name, itos(value));
 748 }
 749
 750
 751 void Settings::setU64(const std::string &name, u64 value)
 752 {
 753         std::ostringstream os;
 754         os << value;
 755         set(name, os.str());
 756 }
 757
 758
 759 void Settings::setFloat(const std::string &name, float value)
 760 {
 761         set(name, ftos(value));
 762 }
 763
 764
 765 void Settings::setV2F(const std::string &name, v2f value)
 766 {
 767         std::ostringstream os;
 768         os << "(" << value.X << "," << value.Y << ")";
 769         set(name, os.str());
 770 }
 771
 772
 773 void Settings::setV3F(const std::string &name, v3f value)
 774 {
 775         std::ostringstream os;
 776         os << "(" << value.X << "," << value.Y << "," << value.Z << ")";
 777         set(name, os.str());
 778 }
 779
 780
 781 void Settings::setFlagStr(const std::string &name, u32 flags,
 782         const FlagDesc *flagdesc, u32 flagmask)
 783 {
 784         set(name, writeFlagString(flags, flagdesc, flagmask));
 785 }
 786
 787
 788 bool Settings::setStruct(const std::string &name, const std::string &format,
 789         void *value)
 790 {
 791         std::string structstr;
 792         if (!serializeStructToString(&structstr, format, value))
 793                 return false;
 794
 795         set(name, structstr);
 796         return true;
 797 }
 798
 799
 800 void Settings::setNoiseParams(const std::string &name, const NoiseParams &np)
 801 {
 802         Settings *group = new Settings;
 803
 804         group->setFloat("offset",      np.offset);
 805         group->setFloat("scale",       np.scale);
 806         group->setV3F("spread",        np.spread);
 807         group->setS32("seed",          np.seed);
 808         group->setU16("octaves",       np.octaves);
 809         group->setFloat("persistence", np.persist);
 810
 811         setGroup(name, group);
 812 }
 813
 814
 815 bool Settings::remove(const std::string &name)
 816 {
 817         JMutexAutoLock lock(m_mutex);
 818         return m_settings.erase(name);
 819 }
 820
 821
 822 void Settings::clear()
 823 {
 824         JMutexAutoLock lock(m_mutex);
 825         clearNoLock();
 826 }
 827
 828
 829 void Settings::updateValue(const Settings &other, const std::string &name)
 830 {
 831         if (&other == this)
 832                 return;
 833
 834         JMutexAutoLock lock(m_mutex);
 835
 836         try {
 837                 std::string val = other.get(name);
 838
 839                 m_settings[name] = val;
 840         } catch (SettingNotFoundException &e) {
 841         }
 842 }
 843
 844
 845 void Settings::update(const Settings &other)
 846 {
 847         if (&other == this)
 848                 return;
 849
 850         JMutexAutoLock lock(m_mutex);
 851         JMutexAutoLock lock2(other.m_mutex);
 852
 853         updateNoLock(other);
 854 }
 855
 856
 857 SettingsParseEvent Settings::parseConfigObject(const std::string &line,
 858         const std::string &end, std::string &name, std::string &value)
 859 {
 860         std::string trimmed_line = trim(line);
 861
 862         if (trimmed_line.empty())
 863                 return SPE_NONE;
 864         if (trimmed_line[0] == '#')
 865                 return SPE_COMMENT;
 866         if (trimmed_line == end)
 867                 return SPE_END;
 868
 869         size_t pos = trimmed_line.find('=');
 870         if (pos == std::string::npos)
 871                 return SPE_INVALID;
 872
 873         name  = trim(trimmed_line.substr(0, pos));
 874         value = trim(trimmed_line.substr(pos + 1));
 875
 876         if (value == "{")
 877                 return SPE_GROUP;
 878         if (value == "\"\"\"")
 879                 return SPE_MULTILINE;
 880
 881         return SPE_KVPAIR;
 882 }
 883
 884
 885 void Settings::updateNoLock(const Settings &other)
 886 {
 887         m_settings.insert(other.m_settings.begin(), other.m_settings.end());
 888         m_defaults.insert(other.m_defaults.begin(), other.m_defaults.end());
 889 }
 890
 891
 892 void Settings::clearNoLock()
 893 {
 894         m_settings.clear();
 895         m_defaults.clear();
 896 }
 897
 898
 899 void Settings::registerChangedCallback(std::string name,
 900         setting_changed_callback cbf)
 901 {
 902         m_callbacks[name].push_back(cbf);
 903 }
 904
 905
 906 void Settings::doCallbacks(const std::string name)
 907 {
 908         std::vector<setting_changed_callback> tempvector;
 909         {
 910                 JMutexAutoLock lock(m_mutex);
 911                 if (m_callbacks.find(name) != m_callbacks.end())
 912                 {
 913                         tempvector = m_callbacks[name];
 914                 }
 915         }
 916
 917         for (std::vector<setting_changed_callback>::iterator iter = tempvector.begin();
 918                         iter != tempvector.end(); iter ++)
 919         {
 920                 (*iter)(name);
 921         }
 922 }