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PoemProcessor.php
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PoemProcessor.php
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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Poem\Parsoid;
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
): void {
$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 );
}
}
$c = $c->nextSibling;
}
}
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;
}
}
}

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text/x-php
Expires
Sat, Oct 3, 17:15 (1 d, 10 h)
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local-disk
Storage Format
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Storage Handle
2e/2a/a65e331991007b7e7dca54d497b2
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PoemProcessor.php (1 KB)

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