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+<?php
+/**
+ * Handle messages in the language files.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup MaintenanceLanguage
+ */
+
+/**
+ * @ingroup MaintenanceLanguage
+ */
+class Languages {
+ /** @var array List of languages */
+ protected $mLanguages;
+
+ /** @var array Raw list of the messages in each language */
+ protected $mRawMessages;
+
+ /** @var array Messages in each language (except for English), divided to groups */
+ protected $mMessages;
+
+ /** @var array Fallback language in each language */
+ protected $mFallback;
+
+ /** @var array General messages in English, divided to groups */
+ protected $mGeneralMessages;
+
+ /** @var array All the messages which should be exist only in the English file */
+ protected $mIgnoredMessages;
+
+ /** @var array All the messages which may be translated or not, depending on the language */
+ protected $mOptionalMessages;
+
+ /** @var array Namespace names */
+ protected $mNamespaceNames;
+
+ /** @var array Namespace aliases */
+ protected $mNamespaceAliases;
+
+ /** @var array Magic words */
+ protected $mMagicWords;
+
+ /** @var array Special page aliases */
+ protected $mSpecialPageAliases;
+
+ /**
+ * Load the list of languages: all the Messages*.php
+ * files in the languages directory.
+ */
+ function __construct() {
+ Hooks::run( 'LocalisationIgnoredOptionalMessages',
+ [ &$this->mIgnoredMessages, &$this->mOptionalMessages ] );
+
+ $this->mLanguages = array_keys( Language::fetchLanguageNames( null, 'mwfile' ) );
+ sort( $this->mLanguages );
+ }
+
+ /**
+ * Get the language list.
+ *
+ * @return array The language list.
+ */
+ public function getLanguages() {
+ return $this->mLanguages;
+ }
+
+ /**
+ * Get the ignored messages list.
+ *
+ * @return array The ignored messages list.
+ */
+ public function getIgnoredMessages() {
+ return $this->mIgnoredMessages;
+ }
+
+ /**
+ * Get the optional messages list.
+ *
+ * @return array The optional messages list.
+ */
+ public function getOptionalMessages() {
+ return $this->mOptionalMessages;
+ }
+
+ /**
+ * Load the language file.
+ *
+ * @param string $code The language code.
+ */
+ protected function loadFile( $code ) {
+ if ( isset( $this->mRawMessages[$code] ) &&
+ isset( $this->mFallback[$code] ) &&
+ isset( $this->mNamespaceNames[$code] ) &&
+ isset( $this->mNamespaceAliases[$code] ) &&
+ isset( $this->mMagicWords[$code] ) &&
+ isset( $this->mSpecialPageAliases[$code] )
+ ) {
+ return;
+ }
+ $this->mRawMessages[$code] = [];
+ $this->mFallback[$code] = '';
+ $this->mNamespaceNames[$code] = [];
+ $this->mNamespaceAliases[$code] = [];
+ $this->mMagicWords[$code] = [];
+ $this->mSpecialPageAliases[$code] = [];
+
+ $jsonfilename = Language::getJsonMessagesFileName( $code );
+ if ( file_exists( $jsonfilename ) ) {
+ $json = Language::getLocalisationCache()->readJSONFile( $jsonfilename );
+ $this->mRawMessages[$code] = $json['messages'];
+ }
+
+ $filename = Language::getMessagesFileName( $code );
+ if ( file_exists( $filename ) ) {
+ require $filename;
+ if ( isset( $fallback ) ) {
+ $this->mFallback[$code] = $fallback;
+ }
+ if ( isset( $namespaceNames ) ) {
+ $this->mNamespaceNames[$code] = $namespaceNames;
+ }
+ if ( isset( $namespaceAliases ) ) {
+ $this->mNamespaceAliases[$code] = $namespaceAliases;
+ }
+ if ( isset( $magicWords ) ) {
+ $this->mMagicWords[$code] = $magicWords;
+ }
+ if ( isset( $specialPageAliases ) ) {
+ $this->mSpecialPageAliases[$code] = $specialPageAliases;
+ }
+ }
+ }
+
+ /**
+ * Load the messages for a specific language (which is not English) and divide them to
+ * groups:
+ * all - all the messages.
+ * required - messages which should be translated in order to get a complete translation.
+ * optional - messages which can be translated, the fallback translation is used if not
+ * translated.
+ * obsolete - messages which should not be translated, either because they do not exist,
+ * or they are ignored messages.
+ * translated - messages which are either required or optional, but translated from
+ * English and needed.
+ *
+ * @param string $code The language code.
+ */
+ private function loadMessages( $code ) {
+ if ( isset( $this->mMessages[$code] ) ) {
+ return;
+ }
+ $this->loadFile( $code );
+ $this->loadGeneralMessages();
+ $this->mMessages[$code]['all'] = $this->mRawMessages[$code];
+ $this->mMessages[$code]['required'] = [];
+ $this->mMessages[$code]['optional'] = [];
+ $this->mMessages[$code]['obsolete'] = [];
+ $this->mMessages[$code]['translated'] = [];
+ foreach ( $this->mMessages[$code]['all'] as $key => $value ) {
+ if ( isset( $this->mGeneralMessages['required'][$key] ) ) {
+ $this->mMessages[$code]['required'][$key] = $value;
+ $this->mMessages[$code]['translated'][$key] = $value;
+ } elseif ( isset( $this->mGeneralMessages['optional'][$key] ) ) {
+ $this->mMessages[$code]['optional'][$key] = $value;
+ $this->mMessages[$code]['translated'][$key] = $value;
+ } else {
+ $this->mMessages[$code]['obsolete'][$key] = $value;
+ }
+ }
+ }
+
+ /**
+ * Load the messages for English and divide them to groups:
+ * all - all the messages.
+ * required - messages which should be translated to other languages in order to get a
+ * complete translation.
+ * optional - messages which can be translated to other languages, but it's not required
+ * for a complete translation.
+ * ignored - messages which should not be translated to other languages.
+ * translatable - messages which are either required or optional, but can be translated
+ * from English.
+ */
+ private function loadGeneralMessages() {
+ if ( isset( $this->mGeneralMessages ) ) {
+ return;
+ }
+ $this->loadFile( 'en' );
+ $this->mGeneralMessages['all'] = $this->mRawMessages['en'];
+ $this->mGeneralMessages['required'] = [];
+ $this->mGeneralMessages['optional'] = [];
+ $this->mGeneralMessages['ignored'] = [];
+ $this->mGeneralMessages['translatable'] = [];
+ foreach ( $this->mGeneralMessages['all'] as $key => $value ) {
+ if ( in_array( $key, $this->mIgnoredMessages ) ) {
+ $this->mGeneralMessages['ignored'][$key] = $value;
+ } elseif ( in_array( $key, $this->mOptionalMessages ) ) {
+ $this->mGeneralMessages['optional'][$key] = $value;
+ $this->mGeneralMessages['translatable'][$key] = $value;
+ } else {
+ $this->mGeneralMessages['required'][$key] = $value;
+ $this->mGeneralMessages['translatable'][$key] = $value;
+ }
+ }
+ }
+
+ /**
+ * Get all the messages for a specific language (not English), without the
+ * fallback language messages, divided to groups:
+ * all - all the messages.
+ * required - messages which should be translated in order to get a complete translation.
+ * optional - messages which can be translated, the fallback translation is used if not
+ * translated.
+ * obsolete - messages which should not be translated, either because they do not exist,
+ * or they are ignored messages.
+ * translated - messages which are either required or optional, but translated from
+ * English and needed.
+ *
+ * @param string $code The language code.
+ *
+ * @return string The messages in this language.
+ */
+ public function getMessages( $code ) {
+ $this->loadMessages( $code );
+
+ return $this->mMessages[$code];
+ }
+
+ /**
+ * Get all the general English messages, divided to groups:
+ * all - all the messages.
+ * required - messages which should be translated to other languages in
+ * order to get a complete translation.
+ * optional - messages which can be translated to other languages, but it's
+ * not required for a complete translation.
+ * ignored - messages which should not be translated to other languages.
+ * translatable - messages which are either required or optional, but can be
+ * translated from English.
+ *
+ * @return array The general English messages.
+ */
+ public function getGeneralMessages() {
+ $this->loadGeneralMessages();
+
+ return $this->mGeneralMessages;
+ }
+
+ /**
+ * Get fallback language code for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return string Fallback code.
+ */
+ public function getFallback( $code ) {
+ $this->loadFile( $code );
+
+ return $this->mFallback[$code];
+ }
+
+ /**
+ * Get namespace names for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return array Namespace names.
+ */
+ public function getNamespaceNames( $code ) {
+ $this->loadFile( $code );
+
+ return $this->mNamespaceNames[$code];
+ }
+
+ /**
+ * Get namespace aliases for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return array Namespace aliases.
+ */
+ public function getNamespaceAliases( $code ) {
+ $this->loadFile( $code );
+
+ return $this->mNamespaceAliases[$code];
+ }
+
+ /**
+ * Get magic words for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return array Magic words.
+ */
+ public function getMagicWords( $code ) {
+ $this->loadFile( $code );
+
+ return $this->mMagicWords[$code];
+ }
+
+ /**
+ * Get special page aliases for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return array Special page aliases.
+ */
+ public function getSpecialPageAliases( $code ) {
+ $this->loadFile( $code );
+
+ return $this->mSpecialPageAliases[$code];
+ }
+
+ /**
+ * Get the untranslated messages for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The untranslated messages for this language.
+ */
+ public function getUntranslatedMessages( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+
+ return array_diff_key( $this->mGeneralMessages['required'], $this->mMessages[$code]['required'] );
+ }
+
+ /**
+ * Get the duplicate messages for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The duplicate messages for this language.
+ */
+ public function getDuplicateMessages( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $duplicateMessages = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ if ( $this->mGeneralMessages['translatable'][$key] == $value ) {
+ $duplicateMessages[$key] = $value;
+ }
+ }
+
+ return $duplicateMessages;
+ }
+
+ /**
+ * Get the obsolete messages for a specific language.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The obsolete messages for this language.
+ */
+ public function getObsoleteMessages( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+
+ return $this->mMessages[$code]['obsolete'];
+ }
+
+ /**
+ * Get the messages whose variables do not match the original ones.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The messages whose variables do not match the original ones.
+ */
+ public function getMessagesWithMismatchVariables( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $variables = [ '\$1', '\$2', '\$3', '\$4', '\$5', '\$6', '\$7', '\$8', '\$9' ];
+ $mismatchMessages = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ $missing = false;
+ foreach ( $variables as $var ) {
+ if ( preg_match( "/$var/sU", $this->mGeneralMessages['translatable'][$key] ) &&
+ !preg_match( "/$var/sU", $value )
+ ) {
+ $missing = true;
+ }
+ if ( !preg_match( "/$var/sU", $this->mGeneralMessages['translatable'][$key] ) &&
+ preg_match( "/$var/sU", $value )
+ ) {
+ $missing = true;
+ }
+ }
+ if ( $missing ) {
+ $mismatchMessages[$key] = $value;
+ }
+ }
+
+ return $mismatchMessages;
+ }
+
+ /**
+ * Get the messages which do not use plural.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The messages which do not use plural in this language.
+ */
+ public function getMessagesWithoutPlural( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $messagesWithoutPlural = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ if ( stripos( $this->mGeneralMessages['translatable'][$key], '{{plural:' ) !== false &&
+ stripos( $value, '{{plural:' ) === false
+ ) {
+ $messagesWithoutPlural[$key] = $value;
+ }
+ }
+
+ return $messagesWithoutPlural;
+ }
+
+ /**
+ * Get the empty messages.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The empty messages for this language.
+ */
+ public function getEmptyMessages( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $emptyMessages = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ if ( $value === '' || $value === '-' ) {
+ $emptyMessages[$key] = $value;
+ }
+ }
+
+ return $emptyMessages;
+ }
+
+ /**
+ * Get the messages with trailing whitespace.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The messages with trailing whitespace in this language.
+ */
+ public function getMessagesWithWhitespace( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $messagesWithWhitespace = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ if ( $this->mGeneralMessages['translatable'][$key] !== '' && $value !== rtrim( $value ) ) {
+ $messagesWithWhitespace[$key] = $value;
+ }
+ }
+
+ return $messagesWithWhitespace;
+ }
+
+ /**
+ * Get the non-XHTML messages.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The non-XHTML messages for this language.
+ */
+ public function getNonXHTMLMessages( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $wrongPhrases = [
+ '<hr *\\?>',
+ '<br *\\?>',
+ '<hr/>',
+ '<br/>',
+ '<hr>',
+ '<br>',
+ ];
+ $wrongPhrases = '~(' . implode( '|', $wrongPhrases ) . ')~sDu';
+ $nonXHTMLMessages = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ if ( preg_match( $wrongPhrases, $value ) ) {
+ $nonXHTMLMessages[$key] = $value;
+ }
+ }
+
+ return $nonXHTMLMessages;
+ }
+
+ /**
+ * Get the messages which include wrong characters.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The messages which include wrong characters in this language.
+ */
+ public function getMessagesWithWrongChars( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $wrongChars = [
+ '[LRM]' => "\xE2\x80\x8E",
+ '[RLM]' => "\xE2\x80\x8F",
+ '[LRE]' => "\xE2\x80\xAA",
+ '[RLE]' => "\xE2\x80\xAB",
+ '[POP]' => "\xE2\x80\xAC",
+ '[LRO]' => "\xE2\x80\xAD",
+ '[RLO]' => "\xE2\x80\xAB",
+ '[ZWSP]' => "\xE2\x80\x8B",
+ '[NBSP]' => "\xC2\xA0",
+ '[WJ]' => "\xE2\x81\xA0",
+ '[BOM]' => "\xEF\xBB\xBF",
+ '[FFFD]' => "\xEF\xBF\xBD",
+ ];
+ $wrongRegExp = '/(' . implode( '|', array_values( $wrongChars ) ) . ')/sDu';
+ $wrongCharsMessages = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ if ( preg_match( $wrongRegExp, $value ) ) {
+ foreach ( $wrongChars as $viewableChar => $hiddenChar ) {
+ $value = str_replace( $hiddenChar, $viewableChar, $value );
+ }
+ $wrongCharsMessages[$key] = $value;
+ }
+ }
+
+ return $wrongCharsMessages;
+ }
+
+ /**
+ * Get the messages which include dubious links.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The messages which include dubious links in this language.
+ */
+ public function getMessagesWithDubiousLinks( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $tc = Title::legalChars() . '#%{}';
+ $messages = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ $matches = [];
+ preg_match_all( "/\[\[([{$tc}]+)(?:\\|(.+?))?]]/sDu", $value, $matches );
+ $numMatches = count( $matches[0] );
+ for ( $i = 0; $i < $numMatches; $i++ ) {
+ if ( preg_match( "/.*project.*/isDu", $matches[1][$i] ) ) {
+ $messages[$key][] = $matches[0][$i];
+ }
+ }
+
+ if ( isset( $messages[$key] ) ) {
+ $messages[$key] = implode( ", ", $messages[$key] );
+ }
+ }
+
+ return $messages;
+ }
+
+ /**
+ * Get the messages which include unbalanced brackets.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The messages which include unbalanced brackets in this language.
+ */
+ public function getMessagesWithUnbalanced( $code ) {
+ $this->loadGeneralMessages();
+ $this->loadMessages( $code );
+ $messages = [];
+ foreach ( $this->mMessages[$code]['translated'] as $key => $value ) {
+ $a = $b = $c = $d = 0;
+ foreach ( preg_split( '//', $value ) as $char ) {
+ switch ( $char ) {
+ case '[':
+ $a++;
+ break;
+ case ']':
+ $b++;
+ break;
+ case '{':
+ $c++;
+ break;
+ case '}':
+ $d++;
+ break;
+ }
+ }
+
+ if ( $a !== $b || $c !== $d ) {
+ $messages[$key] = "$a, $b, $c, $d";
+ }
+ }
+
+ return $messages;
+ }
+
+ /**
+ * Get the untranslated namespace names.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The untranslated namespace names in this language.
+ */
+ public function getUntranslatedNamespaces( $code ) {
+ $this->loadFile( 'en' );
+ $this->loadFile( $code );
+ $namespacesDiff = array_diff_key( $this->mNamespaceNames['en'], $this->mNamespaceNames[$code] );
+ if ( isset( $namespacesDiff[NS_MAIN] ) ) {
+ unset( $namespacesDiff[NS_MAIN] );
+ }
+
+ return $namespacesDiff;
+ }
+
+ /**
+ * Get the project talk namespace names with no $1.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The problematic project talk namespaces in this language.
+ */
+ public function getProblematicProjectTalks( $code ) {
+ $this->loadFile( $code );
+ $namespaces = [];
+
+ # Check default namespace name
+ if ( isset( $this->mNamespaceNames[$code][NS_PROJECT_TALK] ) ) {
+ $default = $this->mNamespaceNames[$code][NS_PROJECT_TALK];
+ if ( strpos( $default, '$1' ) === false ) {
+ $namespaces[$default] = 'default';
+ }
+ }
+
+ # Check namespace aliases
+ foreach ( $this->mNamespaceAliases[$code] as $key => $value ) {
+ if ( $value == NS_PROJECT_TALK && strpos( $key, '$1' ) === false ) {
+ $namespaces[$key] = '';
+ }
+ }
+
+ return $namespaces;
+ }
+
+ /**
+ * Get the untranslated magic words.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The untranslated magic words in this language.
+ */
+ public function getUntranslatedMagicWords( $code ) {
+ $this->loadFile( 'en' );
+ $this->loadFile( $code );
+ $magicWords = [];
+ foreach ( $this->mMagicWords['en'] as $key => $value ) {
+ if ( !isset( $this->mMagicWords[$code][$key] ) ) {
+ $magicWords[$key] = $value[1];
+ }
+ }
+
+ return $magicWords;
+ }
+
+ /**
+ * Get the obsolete magic words.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The obsolete magic words in this language.
+ */
+ public function getObsoleteMagicWords( $code ) {
+ $this->loadFile( 'en' );
+ $this->loadFile( $code );
+ $magicWords = [];
+ foreach ( $this->mMagicWords[$code] as $key => $value ) {
+ if ( !isset( $this->mMagicWords['en'][$key] ) ) {
+ $magicWords[$key] = $value[1];
+ }
+ }
+
+ return $magicWords;
+ }
+
+ /**
+ * Get the magic words that override the original English magic word.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The overriding magic words in this language.
+ */
+ public function getOverridingMagicWords( $code ) {
+ $this->loadFile( 'en' );
+ $this->loadFile( $code );
+ $magicWords = [];
+ foreach ( $this->mMagicWords[$code] as $key => $local ) {
+ if ( !isset( $this->mMagicWords['en'][$key] ) ) {
+ # Unrecognized magic word
+ continue;
+ }
+ $en = $this->mMagicWords['en'][$key];
+ array_shift( $local );
+ array_shift( $en );
+ foreach ( $en as $word ) {
+ if ( !in_array( $word, $local ) ) {
+ $magicWords[$key] = $word;
+ break;
+ }
+ }
+ }
+
+ return $magicWords;
+ }
+
+ /**
+ * Get the magic words which do not match the case-sensitivity of the original words.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The magic words whose case does not match in this language.
+ */
+ public function getCaseMismatchMagicWords( $code ) {
+ $this->loadFile( 'en' );
+ $this->loadFile( $code );
+ $magicWords = [];
+ foreach ( $this->mMagicWords[$code] as $key => $local ) {
+ if ( !isset( $this->mMagicWords['en'][$key] ) ) {
+ # Unrecognized magic word
+ continue;
+ }
+ if ( $local[0] != $this->mMagicWords['en'][$key][0] ) {
+ $magicWords[$key] = $local[0];
+ }
+ }
+
+ return $magicWords;
+ }
+
+ /**
+ * Get the untranslated special page names.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The untranslated special page names in this language.
+ */
+ public function getUntraslatedSpecialPages( $code ) {
+ $this->loadFile( 'en' );
+ $this->loadFile( $code );
+ $specialPageAliases = [];
+ foreach ( $this->mSpecialPageAliases['en'] as $key => $value ) {
+ if ( !isset( $this->mSpecialPageAliases[$code][$key] ) ) {
+ $specialPageAliases[$key] = $value[0];
+ }
+ }
+
+ return $specialPageAliases;
+ }
+
+ /**
+ * Get the obsolete special page names.
+ *
+ * @param string $code The language code.
+ *
+ * @return array The obsolete special page names in this language.
+ */
+ public function getObsoleteSpecialPages( $code ) {
+ $this->loadFile( 'en' );
+ $this->loadFile( $code );
+ $specialPageAliases = [];
+ foreach ( $this->mSpecialPageAliases[$code] as $key => $value ) {
+ if ( !isset( $this->mSpecialPageAliases['en'][$key] ) ) {
+ $specialPageAliases[$key] = $value[0];
+ }
+ }
+
+ return $specialPageAliases;
+ }
+}
+
+class ExtensionLanguages extends Languages {
+ /**
+ * @var MessageGroup
+ */
+ private $mMessageGroup;
+
+ /**
+ * Load the messages group.
+ * @param MessageGroup $group The messages group.
+ */
+ function __construct( MessageGroup $group ) {
+ $this->mMessageGroup = $group;
+
+ $this->mIgnoredMessages = $this->mMessageGroup->getIgnored();
+ $this->mOptionalMessages = $this->mMessageGroup->getOptional();
+ }
+
+ /**
+ * Get the extension name.
+ *
+ * @return string The extension name.
+ */
+ public function name() {
+ return $this->mMessageGroup->getLabel();
+ }
+
+ /**
+ * Load the language file.
+ *
+ * @param string $code The language code.
+ */
+ protected function loadFile( $code ) {
+ if ( !isset( $this->mRawMessages[$code] ) ) {
+ $this->mRawMessages[$code] = $this->mMessageGroup->load( $code );
+ if ( empty( $this->mRawMessages[$code] ) ) {
+ $this->mRawMessages[$code] = [];
+ }
+ }
+ }
+}