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<?php
/**
* Class for localization update hooks and static methods.
*/
class LocalisationUpdate {
/** @todo Remove this once pre-1.24 versions of MW are no longer supported. */
private static $onRecacheFallbackCalled = false;
/**
* Hook: LocalisationCacheRecacheFallback
*/
public static function onRecacheFallback( LocalisationCache $lc, $code, array &$cache ) {
self::$onRecacheFallbackCalled = true;
$dir = LocalisationUpdate::getDirectory();
if ( !$dir ) {
return true;
}
$fileName = "$dir/" . self::getFilename( $code );
if ( is_readable( $fileName ) ) {
$data = FormatJson::decode( file_get_contents( $fileName ), true );
$cache['messages'] = array_merge( $cache['messages'], $data );
}
return true;
}
/**
* Hook: LocalisationCacheRecache
*/
public static function onRecache( LocalisationCache $lc, $code, array &$cache ) {
$dir = LocalisationUpdate::getDirectory();
if ( !$dir ) {
return true;
}
$codeSequence = array_merge( array( $code ), $cache['fallbackSequence'] );
foreach ( $codeSequence as $csCode ) {
$fileName = "$dir/" . self::getFilename( $csCode );
if ( !self::$onRecacheFallbackCalled && is_readable( $fileName ) ) {
// We're on an old version of MW that doesn't have the hook
// needed to do things correctly. L10n will be broken here in
// certain reasonably-common situations (see bug 68781), but
// there's nothing we can do about it.
$data = FormatJson::decode( file_get_contents( $fileName ), true );
$cache['messages'] = array_merge( $cache['messages'], $data );
}
$cache['deps'][] = new FileDependency( $fileName );
}
return true;
}
/**
* Returns a directory where updated translations are stored.
*
* @return string|false False if not configured.
* @since 1.1
*/
public static function getDirectory() {
global $wgLocalisationUpdateDirectory, $wgCacheDirectory;
// ?: can be used once we drop support for MW 1.19
return $wgLocalisationUpdateDirectory ?
$wgLocalisationUpdateDirectory :
$wgCacheDirectory;
}
/**
* Returns a filename where updated translations are stored.
*
* @param string $language Language tag
* @return string
* @since 1.1
*/
public static function getFilename( $language ) {
return "l10nupdate-$language.json";
}
}
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