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ReferenceListTagHandler.php
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ReferenceListTagHandler.php
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<?php
declare( strict_types = 1 );
namespace Cite\Parsoid;
use Cite\Validator;
use Closure;
use MediaWiki\Config\Config;
use Wikimedia\Message\MessageValue;
use Wikimedia\Parsoid\DOM\DocumentFragment;
use Wikimedia\Parsoid\DOM\Element;
use Wikimedia\Parsoid\Ext\DOMDataUtils;
use Wikimedia\Parsoid\Ext\ExtensionTagHandler;
use Wikimedia\Parsoid\Ext\ParsoidExtensionAPI;
/**
* @license GPL-2.0-or-later
*/
class ReferenceListTagHandler extends ExtensionTagHandler {
private Config $mainConfig;
public function __construct( Config $mainConfig ) {
$this->mainConfig = $mainConfig;
}
/** @inheritDoc */
public function sourceToDom(
ParsoidExtensionAPI $extApi, string $txt, array $extArgs
): DocumentFragment {
$domFragment = $extApi->extTagToDOM(
$extArgs,
$txt,
[
'parseOpts' => [ 'extTag' => 'references' ],
]
);
// Detect invalid parameters on the references tag
$status = Validator::filterReferenceListArguments( $extApi->extArgsToArray( $extArgs ) );
$refsOpts = $status->getValue();
if ( !$status->isGood() ) {
$extApi->pushError( 'cite_error_references_invalid_parameters' );
$error = new MessageValue( 'cite_error_references_invalid_parameters' );
}
$referenceList = new References( $this->mainConfig );
$frag = $referenceList->createEmptyReferenceListFragment(
$extApi,
$domFragment,
$refsOpts,
static function ( $dp ) use ( $extApi ) {
$dp->src = $extApi->extTag->getSource();
// Setting redundant info on fragment.
// $docBody->firstChild info feels cumbersome to use downstream.
if ( $extApi->extTag->isSelfClosed() ) {
$dp->selfClose = true;
}
}
);
$domFragment->appendChild( $frag );
if ( isset( $error ) ) {
$errorFragment = ( new ErrorUtils( $extApi ) )->renderParsoidError( $error );
$frag->appendChild( $errorFragment );
}
return $domFragment;
}
/** @inheritDoc */
public function processAttributeEmbeddedHTML(
ParsoidExtensionAPI $extApi, Element $elt, Closure $proc
): void {
$dataMw = DOMDataUtils::getDataMw( $elt );
if ( isset( $dataMw->body->html ) ) {
$dataMw->body->html = $proc( $dataMw->body->html );
}
}
/** @inheritDoc */
public function domToWikitext(
ParsoidExtensionAPI $extApi, Element $node, bool $wrapperUnmodified
) {
$dataMw = DOMDataUtils::getDataMw( $node );
$isAutoGenerated = $dataMw->autoGenerated ?? false;
$isDefaultGroup = ( $dataMw->getExtAttrib( 'group' ) ?? '' ) === '';
// Autogenerated references aren't considered erroneous (the extension to the legacy
// parser also generates them) and are not suppressed when serializing because apparently
// that's the behaviour Parsoid clients want. However, autogenerated references *with
// group attributes* are errors (the legacy extension doesn't generate them at all) and
// are suppressed when serialized since we considered them an error while parsing and
// don't want them to persist in the content.
if ( $isAutoGenerated && !$isDefaultGroup ) {
return '';
}
$src = null;
if ( isset( $dataMw->body->html ) ) {
// @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive
$src = $extApi->htmlToWikitext( [ 'extName' => $dataMw->name ], $dataMw->body->html );
if ( $isAutoGenerated && trim( $src ) === '' ) {
return '';
}
}
$startTagSrc = $extApi->extStartTagToWikitext( $node );
if ( $src === null ) {
// We self-closed this already
return $startTagSrc;
} else {
return $startTagSrc . $src . '</' . $dataMw->name . '>';
}
}
/** @inheritDoc */
public function lintHandler(
ParsoidExtensionAPI $extApi, Element $refs, callable $defaultHandler
): bool {
$dataMw = DOMDataUtils::getDataMw( $refs );
if ( isset( $dataMw->body->html ) ) {
// @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive
$fragment = $extApi->htmlToDom( $dataMw->body->html );
$defaultHandler( $fragment );
}
return true;
}
/** @inheritDoc */
public function diffHandler(
ParsoidExtensionAPI $extApi, callable $domDiff, Element $origNode,
Element $editedNode
): bool {
$origDataMw = DOMDataUtils::getDataMw( $origNode );
$editedDataMw = DOMDataUtils::getDataMw( $editedNode );
if ( isset( $origDataMw->body->html ) && isset( $editedDataMw->body->html ) ) {
$origFragment = $extApi->htmlToDom(
// @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive
$origDataMw->body->html, $origNode->ownerDocument,
[ 'markNew' => true ]
);
$editedFragment = $extApi->htmlToDom(
// @phan-suppress-next-line PhanTypeMismatchArgumentNullable False positive
$editedDataMw->body->html, $editedNode->ownerDocument,
[ 'markNew' => true ]
);
return $domDiff( $origFragment, $editedFragment );
}
// FIXME: Similar to DOMDiff::subtreeDiffers, maybe $editNode should
// be marked as inserted to avoid losing any edits, at the cost of
// more normalization
return false;
}
}

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text/x-php
Expires
Sat, Oct 3, 20:35 (4 d, 38 m ago)
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Storage Handle
45/d1/c69ff83aefe53f55bf8340ae1141
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ReferenceListTagHandler.php (4 KB)

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