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<?php
namespace MediaWiki\OutputTransform\Stages;
use MediaWiki\Config\ServiceOptions;
use MediaWiki\HookContainer\HookContainer;
use MediaWiki\HookContainer\HookRunner;
use MediaWiki\Language\RawMessage;
use MediaWiki\Message\Message;
use MediaWiki\OutputTransform\ContentTextTransformStage;
use MediaWiki\Parser\ParserOptions;
use MediaWiki\Parser\ParserOutput;
use Psr\Log\LoggerInterface;
/**
* Adds debug info to the output
* @internal
*/
class RenderDebugInfo extends ContentTextTransformStage {
private HookRunner $hookRunner;
public function __construct(
ServiceOptions $options, LoggerInterface $logger, HookContainer $hookContainer
) {
parent::__construct( $options, $logger );
$this->hookRunner = new HookRunner( $hookContainer );
}
public function shouldRun( ParserOutput $po, ?ParserOptions $popts, array $options = [] ): bool {
return $options['includeDebugInfo'] ?? false;
}
protected function transformText( string $text, ParserOutput $po, ?ParserOptions $popts, array &$options ): string {
$debugInfo = $this->debugInfo( $po );
return $text . $debugInfo;
}
private function debugInfo( ParserOutput $po ): string {
$text = '';
$limitReportData = $po->getLimitReportData();
// If nothing set it, we can't get it.
if ( $limitReportData ) {
$limitReport = "NewPP limit report\n";
if ( array_key_exists( 'cachereport-origin', $limitReportData ) ) {
$limitReport .= "Parsed by {$limitReportData['cachereport-origin']}\n";
}
if ( array_key_exists( 'cachereport-timestamp', $limitReportData ) ) {
$limitReport .= "Cached time: {$limitReportData['cachereport-timestamp']}\n";
}
if ( array_key_exists( 'cachereport-ttl', $limitReportData ) ) {
$limitReport .= "Cache expiry: {$limitReportData['cachereport-ttl']}\n";
}
if ( array_key_exists( 'cachereport-transientcontent', $limitReportData ) ) {
$transient = $limitReportData['cachereport-transientcontent'] ? 'true' : 'false';
$limitReport .= "Reduced expiry: $transient\n";
}
// TODO: flags should go into limit report too.
$limitReport .= 'Complications: [' . implode( ', ', $po->getAllFlags() ) . "]\n";
foreach ( $limitReportData as $key => $value ) {
if ( in_array( $key, [
'cachereport-origin',
'cachereport-timestamp',
'cachereport-ttl',
'cachereport-transientcontent',
'limitreport-timingprofile',
] ) ) {
// These keys are processed separately.
continue;
}
// TODO inject MessageFormatter instead of Message::newFromSpecifier
if ( $this->hookRunner->onParserLimitReportFormat(
$key, $value, $limitReport, false, false )
) {
$keyMsg = Message::newFromSpecifier( $key )->inLanguage( 'en' )->useDatabase( false );
$valueMsg = Message::newFallbackSequence( [ "$key-value-text", "$key-value" ] )
->inLanguage( 'en' )->useDatabase( false );
if ( !$valueMsg->exists() ) {
$valueMsg = new RawMessage( '$1' );
}
if ( !$keyMsg->isDisabled() && !$valueMsg->isDisabled() ) {
$valueMsg->params( $value );
$limitReport .= "{$keyMsg->text()}: {$valueMsg->text()}\n";
}
}
}
// Since we're not really outputting HTML, decode the entities and
// then re-encode the things that need hiding inside HTML comments.
$limitReport = htmlspecialchars_decode( $limitReport );
// Sanitize for comment. Note '‐' in the replacement is U+2010,
// which looks much like the problematic '-'.
$limitReport = str_replace( [ '-', '&' ], [ '‐', '&' ], $limitReport );
$text = "\n<!-- \n$limitReport-->\n";
$profileReport = $limitReportData['limitreport-timingprofile'] ?? null;
if ( $profileReport ) {
$text .= "<!--\nTransclusion expansion time report (%,ms,calls,template)\n";
$text .= implode( "\n", $profileReport ) . "\n-->\n";
}
}
if ( $po->getCacheMessage() ) {
$text .= "\n<!-- " . $po->getCacheMessage() . "\n -->\n";
}
$parsoidVersion = $po->getExtensionData( 'core:parsoid-version' );
if ( $parsoidVersion ) {
$text .= "\n<!--Parsoid $parsoidVersion-->\n";
}
return $text;
}
}
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