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ErrorUtils.php
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ErrorUtils.php
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<?php
declare( strict_types = 1 );
namespace Cite\Parsoid;
use Wikimedia\Message\MessageValue;
use Wikimedia\Parsoid\DOM\DocumentFragment;
use Wikimedia\Parsoid\DOM\Element;
use Wikimedia\Parsoid\DOM\Node;
use Wikimedia\Parsoid\Ext\DOMDataUtils;
use Wikimedia\Parsoid\Ext\DOMUtils;
use Wikimedia\Parsoid\Ext\ParsoidExtensionAPI;
use Wikimedia\Parsoid\NodeData\DataMwError;
use Wikimedia\Parsoid\Utils\DOMCompat;
/**
* @license GPL-2.0-or-later
*/
class ErrorUtils {
private ParsoidExtensionAPI $extApi;
public function __construct( ParsoidExtensionAPI $extApi ) {
$this->extApi = $extApi;
}
/**
* Tracks a list of errors and stores it as part of the DataMw structure in the DOM element.
*
* @param Element $node
* @param DataMwError[] $errs
*/
public static function addErrorsToNode( Element $node, array $errs ): void {
// Nothing to add
if ( !$errs ) {
return;
}
DOMUtils::addTypeOf( $node, 'mw:Error' );
$dmw = DOMDataUtils::getDataMw( $node );
$dmw->errors = array_merge( $dmw->errors ?? [], $errs );
}
/**
* Traverse into all the embedded content and mark up the refs in there
* that have errors that weren't known before the content was serialized.
*
* Some errors are only known at the time when we're inserting the
* references lists, at which point, embedded content has already been
* serialized and stored, so we no longer have live access to it. We
* therefore map about ids to errors for a ref at that time, and then do
* one final walk of the dom to peak into all the embedded content and
* mark up the errors where necessary.
*/
public function addEmbeddedErrors( ReferencesData $refsData, Node $node ): void {
// Either nothing to add or nothing to add to; stop recursing deeper
if ( !$refsData->embeddedErrors || !$node->hasChildNodes() ) {
return;
}
$processEmbeddedErrors = function ( DocumentFragment $domFragment ) use ( $refsData ) {
$this->addEmbeddedErrors( $refsData, $domFragment );
return true;
};
$child = $node->firstChild;
while ( $child ) {
$nextChild = $child->nextSibling;
if ( $child instanceof Element ) {
$this->extApi->processAttributeEmbeddedDom( $child, $processEmbeddedErrors );
if ( DOMUtils::hasTypeOf( $child, 'mw:Extension/ref' ) ) {
$about = DOMCompat::getAttribute( $child, 'about' );
'@phan-var string $about';
$errs = $refsData->embeddedErrors[$about] ?? [];
self::addErrorsToNode( $child, $errs );
}
// Recursion
$this->addEmbeddedErrors( $refsData, $child );
}
$child = $nextChild;
}
}
/**
* Adds classes and lead on an existing Parsoid rendering of an error message, sets the tracking
* category and returns the completed fragment
*
* @param MessageValue|DataMwError $error
* @return DocumentFragment
*/
public function renderParsoidError( object $error ): DocumentFragment {
if ( $error instanceof DataMwError ) {
$error = new MessageValue( $error->key, $error->params );
}
$this->extApi->addTrackingCategory( 'cite-tracking-category-cite-error' );
$fragment = $this->extApi->createInterfaceI18nFragment( 'cite_error', [ $error ] );
$fragSpan = DOMCompat::getFirstElementChild( $fragment );
DOMUtils::addAttributes( $fragSpan, [ 'class' => 'error mw-ext-cite-error' ] );
return $fragment;
}
}

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ErrorUtils.php (3 KB)

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