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<?php |
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namespace SIL; |
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use Onoi\Cache\CacheFactory; |
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use Title; |
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use Language; |
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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 InterlanguageLinkParserFunction { |
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/** |
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* @var Title |
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*/ |
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private $title; |
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/** |
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* @var LanguageLinkAnnotator |
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*/ |
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private $languageLinkAnnotator; |
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/** |
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* @var SiteLanguageLinksParserOutputAppender |
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*/ |
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private $siteLanguageLinksParserOutputAppender; |
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/** |
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* @var PageContentLanguageModifier |
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*/ |
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private $pageContentLanguageModifier; |
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/** |
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* @var boolean |
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*/ |
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private $interlanguageLinksHideState = false; |
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/** |
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* @var boolean |
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*/ |
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private $inRevisionMode = false; |
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/** |
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* @since 1.0 |
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* |
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* @param Title $title |
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* @param LanguageLinkAnnotator $languageLinkAnnotator |
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* @param SiteLanguageLinksParserOutputAppender $siteLanguageLinksParserOutputAppender |
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* @param PageContentLanguageModifier $pageContentLanguageModifier |
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*/ |
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public function __construct( Title $title, LanguageLinkAnnotator $languageLinkAnnotator, SiteLanguageLinksParserOutputAppender $siteLanguageLinksParserOutputAppender, PageContentLanguageModifier $pageContentLanguageModifier ) { |
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$this->title = $title; |
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$this->languageLinkAnnotator = $languageLinkAnnotator; |
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$this->siteLanguageLinksParserOutputAppender = $siteLanguageLinksParserOutputAppender; |
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$this->pageContentLanguageModifier = $pageContentLanguageModifier; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param boolean $interlanguageLinksHideState |
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*/ |
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public function setInterlanguageLinksHideState( $interlanguageLinksHideState ) { |
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$this->interlanguageLinksHideState = $interlanguageLinksHideState; |
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} |
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/** |
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* Revision mode means either in preview or edit state which is not to be |
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* handled to avoid storage of yet unprocessed data in cache. |
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* |
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* @since 1.2 |
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* |
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* @param boolean $inRevisionMode |
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*/ |
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public function setRevisionModeState( $inRevisionMode ) { |
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$this->inRevisionMode = $inRevisionMode; |
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} |
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/** |
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* @since 1.0 |
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* |
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* @param string $languageCode |
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* @param string $linkReference |
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* |
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* @return null|string |
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*/ |
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public function parse( $languageCode, $linkReference ) { |
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$languageCode = wfBCP47( $languageCode ); |
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// Keep reference while editing is on going to avoid a possible lag when |
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// a DV is trying to access the page content language |
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if ( ( $isSupportedLanguage = $this->isSupportedLanguage( $languageCode ) ) === true ) { |
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$this->pageContentLanguageModifier->addToIntermediaryCache( $this->title, $languageCode ); |
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} |
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if ( !( $title = $this->getTitleFrom( $isSupportedLanguage, $languageCode, $linkReference ) ) instanceof Title ) { |
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return $title; |
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} |
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$interlanguageLink = new InterlanguageLink( |
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$languageCode, |
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$this->siteLanguageLinksParserOutputAppender->getRedirectTargetFor( $title ) |
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); |
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if ( $this->languageLinkAnnotator->hasDifferentLanguageAnnotation( $interlanguageLink ) ) { |
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return $this->createErrorMessageFor( 'sil-interlanguagelink-multiplecalls-different-languagecode', $languageCode ); |
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} |
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return $this->createSiteLanguageLinks( $interlanguageLink ); |
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} |
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private function getTitleFrom( $isSupportedLanguage, $languageCode, $linkReference ) { |
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if ( $this->inRevisionMode || !$this->languageLinkAnnotator->canAddAnnotation() ) { |
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return ''; |
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} |
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if ( $this->interlanguageLinksHideState ) { |
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return $this->createErrorMessageFor( 'sil-interlanguagelink-hideinterlanguagelinks' ); |
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} |
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if ( !$isSupportedLanguage ) { |
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return $this->createErrorMessageFor( 'sil-interlanguagelink-invalidlanguagecode', $languageCode ); |
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} |
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$title = Title::newFromText( $linkReference ); |
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if ( $title === null ) { |
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return $this->createErrorMessageFor( 'sil-interlanguageparser-linkreference-error', $linkReference ); |
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} |
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return $title; |
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} |
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private function createSiteLanguageLinks( InterlanguageLink $interlanguageLink ) { |
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$knownTargetLink = $this->siteLanguageLinksParserOutputAppender->tryAddLanguageTargetLinksToOutput( |
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$interlanguageLink, |
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$this->title |
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); |
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// If target is known we stop processing and output an error |
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if ( $knownTargetLink ) { |
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return $this->createErrorMessageFor( |
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'sil-interlanguagelink-languagetargetcombination-exists', |
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$interlanguageLink->getLanguageCode(), |
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$interlanguageLink->getLinkReference()->getPrefixedText(), |
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$knownTargetLink, |
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$this->title->getPrefixedText() |
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); |
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} |
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$this->languageLinkAnnotator->addAnnotationForInterlanguageLink( |
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$interlanguageLink |
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); |
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return '<div class="sil-interlanguagelink"></div>'; |
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} |
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private function isSupportedLanguage( $languageCode ) { |
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$languageCode = trim( $languageCode ); |
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if ( strlen( $languageCode ) == 0 ) { |
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return false; |
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} |
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return Language::isSupportedLanguage( $languageCode ); |
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} |
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private function createErrorMessageFor( $messageKey, $arg1 = '', $arg2 = '', $arg3 = '',$arg4 = '' ) { |
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return '<div class="smw-callout smw-callout-error">' . wfMessage( |
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$messageKey, |
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$arg1, |
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$arg2, |
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$arg3, |
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$arg4 |
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)->inContentLanguage()->text() . '</div>'; |
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} |
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} |
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SemanticMediaWiki /
SemanticInterlanguageLinks
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
If this a common case that PHP Analyzer should handle natively, please let us know by opening an issue.