+
+ /**
+ * Get a string representation of a title suitable for
+ * including in a search index
+ *
+ * @return string A stripped-down title string ready for the search index
+ */
+ private function indexTitle( SearchEngine $search ) {
+ global $wgContLang;
+
+ $ns = $this->title->getNamespace();
+ $title = $this->title->getText();
+
+ $lc = $search->legalSearchChars() . '&#;';
+ $t = $wgContLang->normalizeForSearch( $title );
+ $t = preg_replace( "/[^{$lc}]+/", ' ', $t );
+ $t = $wgContLang->lc( $t );
+
+ # Handle 's, s'
+ $t = preg_replace( "/([{$lc}]+)'s( |$)/", "\\1 \\1's ", $t );
+ $t = preg_replace( "/([{$lc}]+)s'( |$)/", "\\1s ", $t );
+
+ $t = preg_replace( "/\\s+/", ' ', $t );
+
+ if ( $ns == NS_FILE ) {
+ $t = preg_replace( "/ (png|gif|jpg|jpeg|ogg)$/", "", $t );
+ }
+ return trim( $t );
+ }