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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace Wikimedia\Parsoid\Wt2Html\PP\Processors; |
| 5 | |
| 6 | use Wikimedia\Parsoid\Config\Env; |
| 7 | use Wikimedia\Parsoid\DOM\DocumentFragment; |
| 8 | use Wikimedia\Parsoid\DOM\Element; |
| 9 | use Wikimedia\Parsoid\DOM\Node; |
| 10 | use Wikimedia\Parsoid\Utils\DOMCompat; |
| 11 | use Wikimedia\Parsoid\Utils\DOMUtils; |
| 12 | use Wikimedia\Parsoid\Utils\WTUtils; |
| 13 | use Wikimedia\Parsoid\Wt2Html\Wt2HtmlDOMProcessor; |
| 14 | |
| 15 | class AddLinkAttributes implements Wt2HtmlDOMProcessor { |
| 16 | /** |
| 17 | * @inheritDoc |
| 18 | */ |
| 19 | public function run( |
| 20 | Env $env, Node $root, array $options = [], bool $atTopLevel = false |
| 21 | ): void { |
| 22 | '@phan-var Element|DocumentFragment $root'; // @var Element|DocumentFragment $root |
| 23 | // Add class info to ExtLink information. |
| 24 | // Currently positions the class immediately after the rel attribute |
| 25 | // to keep tests stable. |
| 26 | $extLinks = DOMCompat::querySelectorAll( $root, 'a[rel~="mw:ExtLink"]' ); |
| 27 | foreach ( $extLinks as $a ) { |
| 28 | if ( $a->firstChild ) { |
| 29 | // The "external free" class is reserved for links which |
| 30 | // are syntactically unbracketed; see commit |
| 31 | // 65fcb7a94528ea56d461b3c7b9cb4d4fe4e99211 in core. |
| 32 | if ( WTUtils::isATagFromURLLinkSyntax( $a ) ) { |
| 33 | $classInfoText = 'external free'; |
| 34 | } elseif ( WTUtils::isATagFromMagicLinkSyntax( $a ) ) { |
| 35 | // PHP uses specific suffixes for RFC/PMID/ISBN (the last of |
| 36 | // which is an internal link, not an mw:ExtLink), but we'll |
| 37 | // keep it simple since magic links are deprecated. |
| 38 | $classInfoText = 'external mw-magiclink'; |
| 39 | } else { |
| 40 | $classInfoText = 'external text'; |
| 41 | } |
| 42 | } else { |
| 43 | $classInfoText = 'external autonumber'; |
| 44 | } |
| 45 | $a->setAttribute( 'class', $classInfoText ); |
| 46 | $href = DOMCompat::getAttribute( $a, 'href' ) ?? ''; |
| 47 | $attribs = $env->getExternalLinkAttribs( $href ); |
| 48 | foreach ( $attribs as $key => $val ) { |
| 49 | if ( $key === 'rel' ) { |
| 50 | foreach ( $val as $v ) { |
| 51 | DOMUtils::addRel( $a, $v ); |
| 52 | } |
| 53 | } else { |
| 54 | $a->setAttribute( $key, $val ); |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | // Add classes to Interwiki links |
| 59 | $iwLinks = DOMCompat::querySelectorAll( $root, 'a[rel~="mw:WikiLink/Interwiki"]' ); |
| 60 | foreach ( $iwLinks as $a ) { |
| 61 | DOMCompat::getClassList( $a )->add( 'extiw' ); |
| 62 | } |
| 63 | } |
| 64 | } |