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| <?php | |
| declare( strict_types = 1 ); | |
| namespace Wikimedia\Parsoid\Ext\Poem; | |
| use Wikimedia\Parsoid\DOM\Element; | |
| use Wikimedia\Parsoid\DOM\Node; | |
| use Wikimedia\Parsoid\DOM\Text; | |
| use Wikimedia\Parsoid\Ext\DOMProcessor; | |
| use Wikimedia\Parsoid\Ext\DOMUtils; | |
| use Wikimedia\Parsoid\Ext\ParsoidExtensionAPI; | |
| class PoemProcessor extends DOMProcessor { | |
| /** | |
| * @inheritDoc | |
| */ | |
| public function wtPostprocess( | |
| ParsoidExtensionAPI $extApi, Node $node, array $options, bool $atTopLevel | |
| ): void { | |
| if ( !$atTopLevel ) { | |
| return; | |
| } | |
| $c = $node->firstChild; | |
| while ( $c ) { | |
| if ( $c instanceof Element ) { | |
| if ( DOMUtils::hasTypeOf( $c, 'mw:Extension/poem' ) ) { | |
| // Replace newlines found in <nowiki> fragment with <br/>s | |
| self::processNowikis( $c ); | |
| } else { | |
| $this->wtPostprocess( $extApi, $c, $options, $atTopLevel ); | |
| } | |
| } | |
| $c = $c->nextSibling; | |
| } | |
| } | |
| /** | |
| * @param Element $node | |
| */ | |
| private function processNowikis( Element $node ): void { | |
| $doc = $node->ownerDocument; | |
| $c = $node->firstChild; | |
| while ( $c ) { | |
| if ( !$c instanceof Element ) { | |
| $c = $c->nextSibling; | |
| continue; | |
| } | |
| if ( !DOMUtils::hasTypeOf( $c, 'mw:Nowiki' ) ) { | |
| self::processNowikis( $c ); | |
| $c = $c->nextSibling; | |
| continue; | |
| } | |
| // Replace the nowiki's text node with a combination | |
| // of content and <br/>s. Take care to deal with | |
| // entities that are still entity-wrapped (!!). | |
| $cc = $c->firstChild; | |
| while ( $cc ) { | |
| $next = $cc->nextSibling; | |
| if ( $cc instanceof Text ) { | |
| $pieces = preg_split( '/\n/', $cc->nodeValue ); | |
| $n = count( $pieces ); | |
| $nl = ''; | |
| for ( $i = 0; $i < $n; $i++ ) { | |
| $p = $pieces[$i]; | |
| $c->insertBefore( $doc->createTextNode( $nl . $p ), $cc ); | |
| if ( $i < $n - 1 ) { | |
| $c->insertBefore( $doc->createElement( 'br' ), $cc ); | |
| $nl = "\n"; | |
| } | |
| } | |
| $c->removeChild( $cc ); | |
| } | |
| $cc = $next; | |
| } | |
| $c = $c->nextSibling; | |
| } | |
| } | |
| } |