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<?php |
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namespace SubPageList\Counter; |
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use ParamProcessor\ProcessingResult; |
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use Parser; |
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use ParserHooks\HookHandler; |
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use SubPageList\TitleFactory; |
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/** |
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* Handler for the subpagecount parser hook. |
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* |
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* @since 1.2 |
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* |
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* @licence GNU GPL v2+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class SubPageCount implements HookHandler { |
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private $counter; |
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private $titleFactory; |
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public function __construct( SubPageCounter $counter, TitleFactory $titleFactory ) { |
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$this->counter = $counter; |
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$this->titleFactory = $titleFactory; |
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} |
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/** |
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* @see HookHandler::handle |
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* |
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* @since 1.2 |
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* |
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* @param Parser $parser |
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* @param ProcessingResult $result |
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* |
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* @return string |
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*/ |
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public function handle( Parser $parser, ProcessingResult $result ) { |
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if ( $result->hasFatal() ) { |
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// TODO: |
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return 'Invalid input. Cannot calculate sub page count.'; |
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} |
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$count = $this->getSubPageCount( $parser, $result ); |
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return $parser->getTargetLanguage()->formatNum( $count ); |
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} |
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private function getSubPageCount( Parser $parser, ProcessingResult $result ) { |
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$parameters = $result->getParameters(); |
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$title = $this->getTitle( $parser, $parameters['page']->getValue() ); |
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if ( $title === null ) { |
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return 0; |
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} |
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return $this->counter->countSubPages( $title ); |
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} |
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private function getTitle( Parser $parser, $pageName ) { |
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if ( $pageName === '' ) { |
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return $parser->getTitle(); |
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} |
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else { |
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return $this->titleFactory->newFromText( $pageName ); |
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} |
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} |
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} |
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JeroenDeDauw /
SubPageList
