(.*?)#s'; private const HEADING_REGEX = '/[1-6])(?P(?:[^\'">]*|"([^"]*)"|\'([^\']*)\')*>)(?P
[\s\S]*?)<\/H[1-6] *>/i'; private TitleFactory $titleFactory; /** @internal */ public const CONSTRUCTOR_OPTIONS = [ MainConfigNames::ParserEnableLegacyHeadingDOM, // For HandleSectionLinks ]; public function __construct( ServiceOptions $options, LoggerInterface $logger, TitleFactory $titleFactory ) { parent::__construct( $options, $logger ); $this->titleFactory = $titleFactory; } public function shouldRun( ParserOutput $po, ?ParserOptions $popts, array $options = [] ): bool { $isParsoid = $options['isParsoidContent'] ?? false; return !$isParsoid; } protected function transformText( string $text, ParserOutput $po, ?ParserOptions $popts, array &$options ): string { $text = $this->replaceHeadings( $text, $options ); if ( ( $options['enableSectionEditLinks'] ?? true ) && !$po->getOutputFlag( ParserOutputFlags::NO_SECTION_EDIT_LINKS ) ) { return $this->addSectionLinks( $text, $po, $options ); } else { return preg_replace( self::EDITSECTION_REGEX, '', $text ); } } private function replaceHeadings( string $text, array $options ): string { $skin = $this->resolveSkin( $options ); $useLegacyHeading = $this->options->get( MainConfigNames::ParserEnableLegacyHeadingDOM ); if ( $skin && !$skin->getOptions()['supportsMwHeading'] ) { $useLegacyHeading = true; } $needToCheckExistingWrappers = preg_match( '/class="[^"]*\bmw-heading\b[^"]*"/', $text ); return preg_replace_callback( self::HEADING_REGEX, function ( $m ) use ( $useLegacyHeading, $needToCheckExistingWrappers, $text ) { // Parse attributes out of the tag. Do not actually use HtmlHelper's output, // because EDITSECTION_REGEX is sensitive to quotes in HTML serialization. $attrs = []; HtmlHelper::modifyElements( $m[0][0], static fn ( $node ) => in_array( $node->name, [ 'h1', 'h2', 'h3', 'h4', 'h5', 'h6' ] ), static function ( $node ) use ( &$attrs ) { $attrs = $node->attrs->getValues(); return $node; } ); if ( !isset( $attrs['data-mw-anchor'] ) ) { return $m[0][0]; } $anchor = $attrs['data-mw-anchor']; $fallbackAnchor = $attrs['data-mw-fallback-anchor'] ?? false; unset( $attrs['data-mw-anchor'] ); unset( $attrs['data-mw-fallback-anchor'] ); // Split the heading content from the section edit link placeholder $editlink = ''; $contents = preg_replace_callback( self::EDITSECTION_REGEX, static function ( $mm ) use ( &$editlink ) { $editlink = $mm[0]; return ''; }, $m['header'][0] ); if ( !$useLegacyHeading ) { $wrapperType = 'mwheading'; // Do not add another wrapper if an existing wrapper if present. // This is to support DiscussionTools adding wrappers itself. // TODO: This is obviously bad and unreliable. One day, this code will use DOM transforms, // and can just check ->parentNode like in HandleParsoidSectionLinks. if ( $needToCheckExistingWrappers ) { $textBeforeMatch = substr( $text, 0, $m[0][1] ); $openOffset = strrpos( $textBeforeMatch, '