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<?php |
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namespace SBL; |
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use SMW\DIWikiPage; |
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use Title; |
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/** |
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* @license GNU GPL v2+ |
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* @since 1.0 |
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* |
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* @author mwjames |
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*/ |
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class BySubpageLinksFinder { |
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/** |
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* @var boolean |
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*/ |
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private $isDiscoveryFallback = true; |
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/** |
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* @var array |
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*/ |
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private $antecedentHierarchyLinks = []; |
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/** |
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* @since 1.0 |
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* |
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* @param boolean $isDiscoveryFallback |
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*/ |
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public function setSubpageDiscoveryFallback( $isDiscoveryFallback ) { |
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$this->isDiscoveryFallback = $isDiscoveryFallback; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @return boolean |
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*/ |
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public function isDiscoveryFallback() { |
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return $this->isDiscoveryFallback; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param DIWikiPage $subject |
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*/ |
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public function findLinksBySubject( DIWikiPage $subject ) { |
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$title = $subject->getTitle(); |
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// Use the text instead of the prefixedText to avoid a split |
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// in cases where the NS contains a / (e.g. smw/schema:Foobar) |
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$text = $title->getText(); |
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if ( !$this->canBuildLinksFromText( $text ) ) { |
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return; |
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} |
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$this->buildHierarchicalLinksFromText( $text, $title->getNamespace() ); |
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} |
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/** |
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* @since 1.0 |
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* |
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* @return array |
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*/ |
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public function getParents() { |
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return $this->antecedentHierarchyLinks; |
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} |
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private function canBuildLinksFromText( $text ) { |
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return preg_match( '/\//', $text ); |
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} |
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private function buildHierarchicalLinksFromText( $text, $ns ) { |
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$growinglink = ''; |
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$links = explode( '/', $text ); |
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// Remove the source |
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array_pop( $links ); |
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foreach ( $links as $link ) { |
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if ( $link !== '' && substr( $link, -1 ) !== ' ' ) { |
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$growinglink .= $link; |
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$this->antecedentHierarchyLinks[] = DIWikiPage::newFromTitle( Title::newFromText( $growinglink, $ns ) ); |
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} |
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$growinglink .= '/'; |
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} |
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} |
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} |
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