ContentTextTransformStage.php

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<?php
 
namespace MediaWiki\OutputTransform;
 
use MediaWiki\Parser\ParserOutput;
use ParserOptions;
 
abstract class ContentTextTransformStage implements OutputTransformStage {
 
    public function transform( ParserOutput $po, ?ParserOptions $popts, array &$options ): ParserOutput {
        $text = $po->getContentHolderText();
        $text = $this->transformText( $text, $po, $popts, $options );
        $po->setContentHolderText( $text );
        return $po;
    }
 
    abstract protected function transformText(
        string $text, ParserOutput $po, ?ParserOptions $popts, array &$options
    ): string;
}