maintenance/language/languages.inc

   1 <?php
   2 /**
   3  * Handle messages in the language files.
   4  *
   5  * @file
   6  * @ingroup MaintenanceLanguage
   7  */
   8
   9 /**
  10  * @ingroup MaintenanceLanguage
  11  */
  12 class languages {
  13         protected $mLanguages; # List of languages
  14
  15         protected $mRawMessages; # Raw list of the messages in each language
  16         protected $mMessages; # Messages in each language (except for English), divided to groups
  17         protected $mGeneralMessages; # General messages in English, divided to groups
  18         protected $mIgnoredMessages; # All the messages which should be exist only in the English file
  19         protected $mOptionalMessages; # All the messages which may be translated or not, depending on the language
  20
  21         protected $mNamespaceNames; # Namespace names
  22         protected $mNamespaceAliases; # Namespace aliases
  23         protected $mSkinNames; # Skin names
  24         protected $mMagicWords; # Magic words
  25         protected $mSpecialPageAliases; # Special page aliases
  26
  27         /**
  28          * Load the list of languages: all the Messages*.php
  29          * files in the languages directory.
  30          *
  31          * @param $exif Treat the EXIF messages?
  32          */
  33         function __construct( $exif = true ) {
  34                 require( dirname(__FILE__) . '/messageTypes.inc' );
  35                 $this->mIgnoredMessages = $wgIgnoredMessages;
  36                 if ( $exif ) {
  37                         $this->mOptionalMessages = array_merge( $wgOptionalMessages );
  38                 } else {
  39                         $this->mOptionalMessages = array_merge( $wgOptionalMessages, $wgEXIFMessages );
  40                 }
  41
  42                 $this->mLanguages = array_keys( Language::getLanguageNames( true ) );
  43                 sort( $this->mLanguages );
  44         }
  45
  46         /**
  47          * Get the language list.
  48          *
  49          * @return The language list.
  50          */
  51         public function getLanguages() {
  52                 return $this->mLanguages;
  53         }
  54
  55         /**
  56          * Get the ignored messages list.
  57          *
  58          * @return The ignored messages list.
  59          */
  60         public function getIgnoredMessages() {
  61                 return $this->mIgnoredMessages;
  62         }
  63
  64         /**
  65          * Get the optional messages list.
  66          *
  67          * @return The optional messages list.
  68          */
  69         public function getOptionalMessages() {
  70                 return $this->mOptionalMessages;
  71         }
  72
  73         /**
  74          * Load the language file.
  75          *
  76          * @param $code The language code.
  77          */
  78         protected function loadFile( $code ) {
  79                 if ( isset( $this->mRawMessages[$code] ) &&
  80                         isset( $this->mNamespaceNames[$code] ) &&
  81                         isset( $this->mNamespaceAliases[$code] ) &&
  82                         isset( $this->mSkinNames[$code] ) &&
  83                         isset( $this->mMagicWords[$code] ) &&
  84                         isset( $this->mSpecialPageAliases[$code] ) ) {
  85                         return;
  86                 }
  87                 $this->mRawMessages[$code] = array();
  88                 $this->mNamespaceNames[$code] = array();
  89                 $this->mNamespaceAliases[$code] = array();
  90                 $this->mSkinNames[$code] = array();
  91                 $this->mMagicWords[$code] = array();
  92                 $this->mSpecialPageAliases[$code] = array();
  93                 $filename = Language::getMessagesFileName( $code );
  94                 if ( file_exists( $filename ) ) {
  95                         require( $filename );
  96                         if ( isset( $messages ) ) {
  97                                 $this->mRawMessages[$code] = $messages;
  98                         }
  99                         if ( isset( $namespaceNames ) ) {
 100                                 $this->mNamespaceNames[$code] = $namespaceNames;
 101                         }
 102                         if ( isset( $namespaceAliases ) ) {
 103                                 $this->mNamespaceAliases[$code] = $namespaceAliases;
 104                         }
 105                         if ( isset( $skinNames ) ) {
 106                                 $this->mSkinNames[$code] = $skinNames;
 107                         }
 108                         if ( isset( $magicWords ) ) {
 109                                 $this->mMagicWords[$code] = $magicWords;
 110                         }
 111                         if ( isset( $specialPageAliases ) ) {
 112                                 $this->mSpecialPageAliases[$code] = $specialPageAliases;
 113                         }
 114                 }
 115         }
 116
 117         /**
 118          * Load the messages for a specific language (which is not English) and divide them to groups:
 119          * all - all the messages.
 120          * required - messages which should be translated in order to get a complete translation.
 121          * optional - messages which can be translated, the fallback translation is used if not translated.
 122          * obsolete - messages which should not be translated, either because they do not exist, or they are ignored messages.
 123          * translated - messages which are either required or optional, but translated from English and needed.
 124          *
 125          * @param $code The language code.
 126          */
 127         private function loadMessages( $code ) {
 128                 if ( isset( $this->mMessages[$code] ) ) {
 129                         return;
 130                 }
 131                 $this->loadFile( $code );
 132                 $this->loadGeneralMessages();
 133                 $this->mMessages[$code]['all'] = $this->mRawMessages[$code];
 134                 $this->mMessages[$code]['required'] = array();
 135                 $this->mMessages[$code]['optional'] = array();
 136                 $this->mMessages[$code]['obsolete'] = array();
 137                 $this->mMessages[$code]['translated'] = array();
 138                 foreach ( $this->mMessages[$code]['all'] as $key => $value ) {
 139                         if ( isset( $this->mGeneralMessages['required'][$key] ) ) {
 140                                 $this->mMessages[$code]['required'][$key] = $value;
 141                                 $this->mMessages[$code]['translated'][$key] = $value;
 142                         } else if ( isset( $this->mGeneralMessages['optional'][$key] ) ) {
 143                                 $this->mMessages[$code]['optional'][$key] = $value;
 144                                 $this->mMessages[$code]['translated'][$key] = $value;
 145                         } else {
 146                                 $this->mMessages[$code]['obsolete'][$key] = $value;
 147                         }
 148                 }
 149         }
 150
 151         /**
 152          * Load the messages for English and divide them to groups:
 153          * all - all the messages.
 154          * required - messages which should be translated to other languages in order to get a complete translation.
 155          * optional - messages which can be translated to other languages, but it's not required for a complete translation.
 156          * ignored - messages which should not be translated to other languages.
 157          * translatable - messages which are either required or optional, but can be translated from English.
 158          */
 159         private function loadGeneralMessages() {
 160                 if ( isset( $this->mGeneralMessages ) ) {
 161                         return;
 162                 }
 163                 $this->loadFile( 'en' );
 164                 $this->mGeneralMessages['all'] = $this->mRawMessages['en'];
 165                 $this->mGeneralMessages['required'] = array();
 166                 $this->mGeneralMessages['optional'] = array();
 167                 $this->mGeneralMessages['ignored'] = array();
 168                 $this->mGeneralMessages['translatable'] = array();
 169                 foreach ( $this->mGeneralMessages['all'] as $key => $value ) {
 170                         if ( in_array( $key, $this->mIgnoredMessages ) ) {
 171                                 $this->mGeneralMessages['ignored'][$key] = $value;
 172                         } else if ( in_array( $key, $this->mOptionalMessages ) ) {
 173                                 $this->mGeneralMessages['optional'][$key] = $value;
 174                                 $this->mGeneralMessages['translatable'][$key] = $value;
 175                         } else {
 176                                 $this->mGeneralMessages['required'][$key] = $value;
 177                                 $this->mGeneralMessages['translatable'][$key] = $value;
 178                         }
 179                 }
 180         }
 181
 182         /**
 183          * Get all the messages for a specific language (not English), without the
 184          * fallback language messages, divided to groups:
 185          * all - all the messages.
 186          * required - messages which should be translated in order to get a complete translation.
 187          * optional - messages which can be translated, the fallback translation is used if not translated.
 188          * obsolete - messages which should not be translated, either because they do not exist, or they are ignored messages.
 189          * translated - messages which are either required or optional, but translated from English and needed.
 190          *
 191          * @param $code The language code.
 192          *
 193          * @return The messages in this language.
 194          */
 195         public function getMessages( $code ) {
 196                 $this->loadMessages( $code );
 197                 return $this->mMessages[$code];
 198         }
 199
 200         /**
 201          * Get all the general English messages, divided to groups:
 202          * all - all the messages.
 203          * required - messages which should be translated to other languages in order to get a complete translation.
 204          * optional - messages which can be translated to other languages, but it's not required for a complete translation.
 205          * ignored - messages which should not be translated to other languages.
 206          * translatable - messages which are either required or optional, but can be translated from English.
 207          *
 208          * @return The general English messages.
 209          */
 210         public function getGeneralMessages() {
 211                 $this->loadGeneralMessages();
 212                 return $this->mGeneralMessages;
 213         }
 214
 215         /**
 216          * Get namespace names for a specific language.
 217          *
 218          * @param $code The language code.
 219          *
 220          * @return Namespace names.
 221          */
 222         public function getNamespaceNames( $code ) {
 223                 $this->loadFile( $code );
 224                 return $this->mNamespaceNames[$code];
 225         }
 226
 227         /**
 228          * Get namespace aliases for a specific language.
 229          *
 230          * @param $code The language code.
 231          *
 232          * @return Namespace aliases.
 233          */
 234         public function getNamespaceAliases( $code ) {
 235                 $this->loadFile( $code );
 236                 return $this->mNamespaceAliases[$code];
 237         }
 238
 239         /**
 240          * Get skin names for a specific language.
 241          *
 242          * @param $code The language code.
 243          *
 244          * @return Skin names.
 245          */
 246         public function getSkinNames( $code ) {
 247                 $this->loadFile( $code );
 248                 return $this->mSkinNames[$code];
 249         }
 250
 251         /**
 252          * Get magic words for a specific language.
 253          *
 254          * @param $code The language code.
 255          *
 256          * @return Magic words.
 257          */
 258         public function getMagicWords( $code ) {
 259                 $this->loadFile( $code );
 260                 return $this->mMagicWords[$code];
 261         }
 262
 263         /**
 264          * Get special page aliases for a specific language.
 265          *
 266          * @param $code The language code.
 267          *
 268          * @return Special page aliases.
 269          */
 270         public function getSpecialPageAliases( $code ) {
 271                 $this->loadFile( $code );
 272                 return $this->mSpecialPageAliases[$code];
 273         }
 274
 275         /**
 276          * Get the untranslated messages for a specific language.
 277          *
 278          * @param $code The language code.
 279          *
 280          * @return The untranslated messages for this language.
 281          */
 282         public function getUntranslatedMessages( $code ) {
 283                 $this->loadGeneralMessages();
 284                 $this->loadMessages( $code );
 285                 return array_diff_key( $this->mGeneralMessages['required'], $this->mMessages[$code]['required'] );
 286         }
 287
 288         /**
 289          * Get the duplicate messages for a specific language.
 290          *
 291          * @param $code The language code.
 292          *
 293          * @return The duplicate messages for this language.
 294          */
 295         public function getDuplicateMessages( $code ) {
 296                 $this->loadGeneralMessages();
 297                 $this->loadMessages( $code );
 298                 $duplicateMessages = array();
 299                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 300                         if ( $this->mGeneralMessages['translatable'][$key] == $value ) {
 301                                 $duplicateMessages[$key] = $value;
 302                         }
 303                 }
 304                 return $duplicateMessages;
 305         }
 306
 307         /**
 308          * Get the obsolete messages for a specific language.
 309          *
 310          * @param $code The language code.
 311          *
 312          * @return The obsolete messages for this language.
 313          */
 314         public function getObsoleteMessages( $code ) {
 315                 $this->loadGeneralMessages();
 316                 $this->loadMessages( $code );
 317                 return $this->mMessages[$code]['obsolete'];
 318         }
 319
 320         /**
 321          * Get the messages which do not use some variables.
 322          *
 323          * @param $code The language code.
 324          *
 325          * @return The messages which do not use some variables in this language.
 326          */
 327         public function getMessagesWithoutVariables( $code ) {
 328                 $this->loadGeneralMessages();
 329                 $this->loadMessages( $code );
 330                 $variables = array( '\$1', '\$2', '\$3', '\$4', '\$5', '\$6', '\$7', '\$8', '\$9' );
 331                 $messagesWithoutVariables = array();
 332                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 333                         $missing = false;
 334                         foreach ( $variables as $var ) {
 335                                 if ( preg_match( "/$var/sU", $this->mGeneralMessages['translatable'][$key] ) &&
 336                                         !preg_match( "/$var/sU", $value ) ) {
 337                                         $missing = true;
 338                                 }
 339                         }
 340                         if ( $missing ) {
 341                                 $messagesWithoutVariables[$key] = $value;
 342                         }
 343                 }
 344                 return $messagesWithoutVariables;
 345         }
 346
 347         /**
 348          * Get the messages which do not use plural.
 349          *
 350          * @param $code The language code.
 351          *
 352          * @return The messages which do not use plural in this language.
 353          */
 354         public function getMessagesWithoutPlural( $code ) {
 355                 $this->loadGeneralMessages();
 356                 $this->loadMessages( $code );
 357                 $messagesWithoutPlural = array();
 358                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 359                         if ( stripos( $this->mGeneralMessages['translatable'][$key], '{{plural:' ) !== false && stripos( $value, '{{plural:' ) === false ) {
 360                                 $messagesWithoutPlural[$key] = $value;
 361                         }
 362                 }
 363                 return $messagesWithoutPlural;
 364         }
 365
 366         /**
 367          * Get the empty messages.
 368          *
 369          * @param $code The language code.
 370          *
 371          * @return The empty messages for this language.
 372          */
 373         public function getEmptyMessages( $code ) {
 374                 $this->loadGeneralMessages();
 375                 $this->loadMessages( $code );
 376                 $emptyMessages = array();
 377                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 378                         if ( $value === '' || $value === '-' ) {
 379                                 $emptyMessages[$key] = $value;
 380                         }
 381                 }
 382                 return $emptyMessages;
 383         }
 384
 385         /**
 386          * Get the messages with trailing whitespace.
 387          *
 388          * @param $code The language code.
 389          *
 390          * @return The messages with trailing whitespace in this language.
 391          */
 392         public function getMessagesWithWhitespace( $code ) {
 393                 $this->loadGeneralMessages();
 394                 $this->loadMessages( $code );
 395                 $messagesWithWhitespace = array();
 396                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 397                         if ( $this->mGeneralMessages['translatable'][$key] !== '' && $value !== rtrim( $value ) ) {
 398                                 $messagesWithWhitespace[$key] = $value;
 399                         }
 400                 }
 401                 return $messagesWithWhitespace;
 402         }
 403
 404         /**
 405          * Get the non-XHTML messages.
 406          *
 407          * @param $code The language code.
 408          *
 409          * @return The non-XHTML messages for this language.
 410          */
 411         public function getNonXHTMLMessages( $code ) {
 412                 $this->loadGeneralMessages();
 413                 $this->loadMessages( $code );
 414                 $wrongPhrases = array(
 415                         '<hr *\\?>',
 416                         '<br *\\?>',
 417                         '<hr/>',
 418                         '<br/>',
 419                         '<hr>',
 420                         '<br>',
 421                 );
 422                 $wrongPhrases = '~(' . implode( '|', $wrongPhrases ) . ')~sDu';
 423                 $nonXHTMLMessages = array();
 424                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 425                         if ( preg_match( $wrongPhrases, $value ) ) {
 426                                 $nonXHTMLMessages[$key] = $value;
 427                         }
 428                 }
 429                 return $nonXHTMLMessages;
 430         }
 431
 432         /**
 433          * Get the messages which include wrong characters.
 434          *
 435          * @param $code The language code.
 436          *
 437          * @return The messages which include wrong characters in this language.
 438          */
 439         public function getMessagesWithWrongChars( $code ) {
 440                 $this->loadGeneralMessages();
 441                 $this->loadMessages( $code );
 442                 $wrongChars = array(
 443                         '[LRM]' => "\xE2\x80\x8E",
 444                         '[RLM]' => "\xE2\x80\x8F",
 445                         '[LRE]' => "\xE2\x80\xAA",
 446                         '[RLE]' => "\xE2\x80\xAB",
 447                         '[POP]' => "\xE2\x80\xAC",
 448                         '[LRO]' => "\xE2\x80\xAD",
 449                         '[RLO]' => "\xE2\x80\xAB",
 450                         '[ZWSP]'=> "\xE2\x80\x8B",
 451                         '[NBSP]'=> "\xC2\xA0",
 452                         '[WJ]'  => "\xE2\x81\xA0",
 453                         '[BOM]' => "\xEF\xBB\xBF",
 454                         '[FFFD]'=> "\xEF\xBF\xBD",
 455                 );
 456                 $wrongRegExp = '/(' . implode( '|', array_values( $wrongChars ) ) . ')/sDu';
 457                 $wrongCharsMessages = array();
 458                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 459                         if ( preg_match( $wrongRegExp, $value ) ) {
 460                                 foreach ( $wrongChars as $viewableChar => $hiddenChar ) {
 461                                         $value = str_replace( $hiddenChar, $viewableChar, $value );
 462                                 }
 463                                 $wrongCharsMessages[$key] = $value;
 464                         }
 465                 }
 466                 return $wrongCharsMessages;
 467         }
 468
 469         /**
 470          * Get the messages which include dubious links.
 471          *
 472          * @param $code The language code.
 473          *
 474          * @return The messages which include dubious links in this language.
 475          */
 476         public function getMessagesWithDubiousLinks( $code ) {
 477                 $this->loadGeneralMessages();
 478                 $this->loadMessages( $code );
 479                 $tc = Title::legalChars() . '#%{}';
 480                 $messages = array();
 481                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 482                         $matches = array();
 483                         preg_match_all( "/\[\[([{$tc}]+)(?:\\|(.+?))?]]/sDu", $value, $matches );
 484                         for ($i = 0; $i < count($matches[0]); $i++ ) {
 485                                 if ( preg_match( "/.*project.*/isDu",  $matches[1][$i] ) ) {
 486                                         $messages[$key][] = $matches[0][$i];
 487                                 }
 488                         }
 489
 490
 491                         if ( isset( $messages[$key] ) ) {
 492                                 $messages[$key] = implode( $messages[$key],", " );
 493                         }
 494                 }
 495                 return $messages;
 496         }
 497
 498         /**
 499          * Get the messages which include unbalanced brackets.
 500          *
 501          * @param $code The language code.
 502          *
 503          * @return The messages which include unbalanced brackets in this language.
 504          */
 505         public function getMessagesWithUnbalanced( $code ) {
 506                 $this->loadGeneralMessages();
 507                 $this->loadMessages( $code );
 508                 $messages = array();
 509                 foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
 510                         $a = $b = $c = $d = 0;
 511                         foreach ( preg_split( '//', $value ) as $char ) {
 512                                 switch ( $char ) {
 513                                         case '[':
 514                                                 $a++;
 515                                                 break;
 516                                         case ']':
 517                                                 $b++;
 518                                                 break;
 519                                         case '{':
 520                                                 $c++;
 521                                                 break;
 522                                         case '}':
 523                                                 $d++;
 524                                                 break;
 525                                 }
 526                         }
 527
 528                         if ( $a !== $b || $c !== $d ) {
 529                                 $messages[$key] = "$a, $b, $c, $d";
 530                         }
 531
 532                 }
 533                 return $messages;
 534         }
 535
 536         /**
 537          * Get the untranslated namespace names.
 538          *
 539          * @param $code The language code.
 540          *
 541          * @return The untranslated namespace names in this language.
 542          */
 543         public function getUntranslatedNamespaces( $code ) {
 544                 $this->loadFile( 'en' );
 545                 $this->loadFile( $code );
 546                 return array_flip( array_diff_key( $this->mNamespaceNames['en'], $this->mNamespaceNames[$code] ) );
 547         }
 548
 549         /**
 550          * Get the project talk namespace names with no $1.
 551          *
 552          * @param $code The language code.
 553          *
 554          * @return The problematic project talk namespaces in this language.
 555          */
 556         public function getProblematicProjectTalks( $code ) {
 557                 $this->loadFile( $code );
 558                 $namespaces = array();
 559
 560                 # Check default namespace name
 561                 if( isset( $this->mNamespaceNames[$code][NS_PROJECT_TALK] ) ) {
 562                         $default = $this->mNamespaceNames[$code][NS_PROJECT_TALK];
 563                         if ( strpos( $default, '$1' ) === FALSE ) {
 564                                 $namespaces[$default] = 'default';
 565                         }
 566                 }
 567
 568                 # Check namespace aliases
 569                 foreach( $this->mNamespaceAliases[$code] as $key => $value ) {
 570                         if ( $value == NS_PROJECT_TALK && strpos( $key, '$1' ) === FALSE ) {
 571                                 $namespaces[$key] = '';
 572                         }
 573                 }
 574
 575                 return $namespaces;
 576         }
 577
 578         /**
 579          * Get the untranslated skin names.
 580          *
 581          * @param $code The language code.
 582          *
 583          * @return The untranslated skin names in this language.
 584          */
 585         public function getUntranslatedSkins( $code ) {
 586                 $this->loadFile( 'en' );
 587                 $this->loadFile( $code );
 588                 return array_diff_key( $this->mSkinNames['en'], $this->mSkinNames[$code] );
 589         }
 590
 591         /**
 592          * Get the untranslated magic words.
 593          *
 594          * @param $code The language code.
 595          *
 596          * @return The untranslated magic words in this language.
 597          */
 598         public function getUntranslatedMagicWords( $code ) {
 599                 $this->loadFile( 'en' );
 600                 $this->loadFile( $code );
 601                 $magicWords = array();
 602                 foreach ( $this->mMagicWords['en'] as $key => $value ) {
 603                         if ( !isset( $this->mMagicWords[$code][$key] ) ) {
 604                                 $magicWords[$key] = $value[1];
 605                         }
 606                 }
 607                 return $magicWords;
 608         }
 609
 610         /**
 611          * Get the magic words that override the original English magic word.
 612          *
 613          * @param $code The language code.
 614          *
 615          * @return The overriding magic words in this language.
 616          */
 617         public function getOverridingMagicWords( $code ) {
 618                 $this->loadFile( 'en' );
 619                 $this->loadFile( $code );
 620                 $magicWords = array();
 621                 foreach ( $this->mMagicWords[$code] as $key => $local ) {
 622                         $en = $this->mMagicWords['en'][$key];
 623                         array_shift( $local );
 624                         array_shift( $en );
 625                         foreach ( $en as $word ) {
 626                                 if ( !in_array( $word, $local ) ) {
 627                                         $magicWords[$key] = $word;
 628                                         break;
 629                                 }
 630                         }
 631                 }
 632                 return $magicWords;
 633         }
 634
 635         /**
 636          * Get the magic words which do not match the case-sensitivity of the original words.
 637          *
 638          * @param $code The language code.
 639          *
 640          * @return The magic words whose case does not match in this language.
 641          */
 642         public function getCaseMismatchMagicWords( $code ) {
 643                 $this->loadFile( 'en' );
 644                 $this->loadFile( $code );
 645                 $magicWords = array();
 646                 foreach ( $this->mMagicWords[$code] as $key => $local ) {
 647                         if ( $local[0] != $this->mMagicWords['en'][$key][0] ) {
 648                                 $magicWords[$key] = $local[0];
 649                         }
 650                 }
 651                 return $magicWords;
 652         }
 653
 654         /**
 655          * Get the untranslated special page names.
 656          *
 657          * @param $code The language code.
 658          *
 659          * @return The untranslated special page names in this language.
 660          */
 661         public function getUntraslatedSpecialPages( $code ) {
 662                 $this->loadFile( 'en' );
 663                 $this->loadFile( $code );
 664                 $specialPageAliases = array();
 665                 foreach ( $this->mSpecialPageAliases['en'] as $key => $value ) {
 666                         if ( !isset( $this->mSpecialPageAliases[$code][$key] ) ) {
 667                                 $specialPageAliases[$key] = $value[0];
 668                         }
 669                 }
 670                 return $specialPageAliases;
 671         }
 672 }
 673
 674 class extensionLanguages extends languages {
 675         private $mMessageGroup; # The message group
 676
 677         /**
 678          * Load the messages group.
 679          * @param $group The messages group.
 680          */
 681         function __construct( MessageGroup $group ) {
 682                 $this->mMessageGroup = $group;
 683
 684                 $bools = $this->mMessageGroup->getBools();
 685                 $this->mIgnoredMessages = $bools['ignored'];
 686                 $this->mOptionalMessages = $bools['optional'];
 687         }
 688
 689         /**
 690          * Get the extension name.
 691          *
 692          * @return The extension name.
 693          */
 694         public function name() {
 695                 return $this->mMessageGroup->getLabel();
 696         }
 697
 698         /**
 699          * Load the language file.
 700          *
 701          * @param $code The language code.
 702          */
 703         protected function loadFile( $code ) {
 704                 if( !isset( $this->mRawMessages[$code] ) ) {
 705                         $this->mRawMessages[$code] = $this->mMessageGroup->load( $code );
 706                         if( empty( $this->mRawMessages[$code] ) ) {
 707                                 $this->mRawMessages[$code] = array();
 708                         }
 709                 }
 710         }
 711 }