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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace Wikimedia\Parsoid\Wt2Html\DOM\Handlers; |
| 5 | |
| 6 | use Wikimedia\Parsoid\DOM\Element; |
| 7 | use Wikimedia\Parsoid\Utils\DOMCompat; |
| 8 | use Wikimedia\Parsoid\Utils\DOMUtils; |
| 9 | use Wikimedia\Parsoid\Utils\DTState; |
| 10 | use Wikimedia\Parsoid\Utils\WTUtils; |
| 11 | |
| 12 | class AddLinkAttributes { |
| 13 | |
| 14 | /** |
| 15 | * Adds classes to external links and interwiki links |
| 16 | */ |
| 17 | public static function handler( Element $a, DTState $state ): bool { |
| 18 | if ( DOMUtils::hasRel( $a, "mw:ExtLink" ) ) { |
| 19 | if ( $a->firstChild ) { |
| 20 | // The "external free" class is reserved for links which |
| 21 | // are syntactically unbracketed; see commit |
| 22 | // 65fcb7a94528ea56d461b3c7b9cb4d4fe4e99211 in core. |
| 23 | if ( WTUtils::isATagFromURLLinkSyntax( $a ) ) { |
| 24 | $classInfoText = 'external free'; |
| 25 | } elseif ( WTUtils::isATagFromMagicLinkSyntax( $a ) ) { |
| 26 | // PHP uses specific suffixes for RFC/PMID/ISBN (the last of |
| 27 | // which is an internal link, not an mw:ExtLink), but we'll |
| 28 | // keep it simple since magic links are deprecated. |
| 29 | $classInfoText = 'external mw-magiclink'; |
| 30 | } else { |
| 31 | $classInfoText = 'external text'; |
| 32 | } |
| 33 | } else { |
| 34 | $classInfoText = 'external autonumber'; |
| 35 | } |
| 36 | $a->setAttribute( 'class', $classInfoText ); |
| 37 | $href = DOMCompat::getAttribute( $a, 'href' ) ?? ''; |
| 38 | $attribs = $state->env->getExternalLinkAttribs( $href ); |
| 39 | foreach ( $attribs as $key => $val ) { |
| 40 | if ( $key === 'rel' ) { |
| 41 | foreach ( $val as $v ) { |
| 42 | DOMUtils::addRel( $a, $v ); |
| 43 | } |
| 44 | } else { |
| 45 | $a->setAttribute( $key, $val ); |
| 46 | } |
| 47 | } |
| 48 | } elseif ( DOMUtils::hasRel( $a, 'mw:WikiLink/Interwiki' ) ) { |
| 49 | DOMCompat::getClassList( $a )->add( 'extiw' ); |
| 50 | } |
| 51 | return true; |
| 52 | } |
| 53 | } |