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| 1 | <?php |
| 2 | |
| 3 | namespace FileImporter\Services\Wikitext; |
| 4 | |
| 5 | /** |
| 6 | * @license GPL-2.0-or-later |
| 7 | * @author Thiemo Kreuz |
| 8 | */ |
| 9 | class WikiLinkParser { |
| 10 | |
| 11 | /** @var WikiLinkCleaner[] */ |
| 12 | private $cleaners = []; |
| 13 | |
| 14 | public function registerWikiLinkCleaner( WikiLinkCleaner $cleaner ): void { |
| 15 | $this->cleaners[] = $cleaner; |
| 16 | } |
| 17 | |
| 18 | public function parse( string $wikitext ): string { |
| 19 | return preg_replace_callback( |
| 20 | '/ |
| 21 | # Look-behind for the opening [[ |
| 22 | (?<=\[\[) |
| 23 | # The extra + at the end of ++ avoids backtracking |
| 24 | [^\v\[|\]]++ |
| 25 | # Look-ahead for | or the closing ]] |
| 26 | (?=\||\]\]) |
| 27 | /xu', |
| 28 | function ( array $matches ): string { |
| 29 | $link = $matches[0]; |
| 30 | foreach ( $this->cleaners as $cleaner ) { |
| 31 | $link = $cleaner->process( $link ); |
| 32 | } |
| 33 | return $link; |
| 34 | }, |
| 35 | $wikitext |
| 36 | ); |
| 37 | } |
| 38 | |
| 39 | } |