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| 1 | <?php |
| 2 | |
| 3 | declare( strict_types = 1 ); |
| 4 | |
| 5 | namespace EntitySchema\MediaWiki\Hooks; |
| 6 | |
| 7 | use EntitySchema\DataAccess\LabelLookup; |
| 8 | use HtmlArmor; |
| 9 | use MediaWiki\Languages\LanguageFactory; |
| 10 | use MediaWiki\Linker\Hook\HtmlPageLinkRendererEndHook; |
| 11 | use MediaWiki\Linker\LinkRenderer; |
| 12 | use MediaWiki\Title\Title; |
| 13 | use RequestContext; |
| 14 | |
| 15 | /** |
| 16 | * @license GPL-2.0-or-later |
| 17 | */ |
| 18 | class HtmlPageLinkRendererEndHookHandler implements HtmlPageLinkRendererEndHook { |
| 19 | |
| 20 | private LanguageFactory $languageFactory; |
| 21 | private LabelLookup $labelLookup; |
| 22 | private RequestContext $context; |
| 23 | |
| 24 | public function __construct( |
| 25 | LanguageFactory $languageFactory, |
| 26 | LabelLookup $labelLookup, |
| 27 | RequestContext $context |
| 28 | ) { |
| 29 | $this->languageFactory = $languageFactory; |
| 30 | $this->labelLookup = $labelLookup; |
| 31 | $this->context = $context; |
| 32 | } |
| 33 | |
| 34 | public static function factory( |
| 35 | LanguageFactory $languageFactory, |
| 36 | LabelLookup $labelLookup |
| 37 | ): self { |
| 38 | return new self( |
| 39 | $languageFactory, |
| 40 | $labelLookup, |
| 41 | RequestContext::getMain() |
| 42 | ); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * @inheritDoc |
| 47 | */ |
| 48 | public function onHtmlPageLinkRendererEnd( |
| 49 | $linkRenderer, |
| 50 | $target, |
| 51 | $isKnown, |
| 52 | &$text, |
| 53 | &$extraAttribs, |
| 54 | &$ret |
| 55 | ): bool { |
| 56 | if ( !$this->context->hasTitle() ) { |
| 57 | // Short-circuit this hook if no title is |
| 58 | // set in the main context (T131176) |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | if ( !$target->inNamespace( NS_ENTITYSCHEMA_JSON ) ) { |
| 63 | return true; |
| 64 | } |
| 65 | |
| 66 | return $this->doHtmlPageLinkRendererEnd( |
| 67 | $linkRenderer, |
| 68 | Title::newFromLinkTarget( $target ), |
| 69 | $text |
| 70 | ); |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @param LinkRenderer $linkRenderer |
| 75 | * @param Title $target |
| 76 | * @param HtmlArmor|string|null &$text |
| 77 | * |
| 78 | * @return bool always true |
| 79 | */ |
| 80 | private function doHtmlPageLinkRendererEnd( |
| 81 | LinkRenderer $linkRenderer, |
| 82 | Title $target, |
| 83 | &$text |
| 84 | ): bool { |
| 85 | // if custom link text is given, there is no point in overwriting it |
| 86 | // but not if it is similar to the plain title |
| 87 | if ( $text !== null |
| 88 | && $target->getFullText() !== HtmlArmor::getHtml( $text ) |
| 89 | && $target->getText() !== HtmlArmor::getHtml( $text ) |
| 90 | ) { |
| 91 | return true; |
| 92 | } |
| 93 | |
| 94 | $outputTitle = $this->context->getTitle(); |
| 95 | '@phan-var Title $outputTitle'; |
| 96 | if ( !$this->shouldConvertNoBadTitle( $outputTitle, $linkRenderer ) ) { |
| 97 | return true; |
| 98 | } |
| 99 | |
| 100 | return $this->internalDoHtmlPageLinkRendererEnd( |
| 101 | $target, |
| 102 | $text, |
| 103 | ); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Parts of the hook handling logic for the HtmlPageLinkRendererEnd hook that potentially |
| 108 | * interact with entity storage. |
| 109 | * |
| 110 | * @param Title $target |
| 111 | * @param HtmlArmor|string|null &$text |
| 112 | * |
| 113 | * @return bool always true |
| 114 | */ |
| 115 | private function internalDoHtmlPageLinkRendererEnd( |
| 116 | Title $target, |
| 117 | &$text |
| 118 | ): bool { |
| 119 | $label = $this->labelLookup->getLabelForTitle( $target, $this->context->getLanguage()->getCode() ); |
| 120 | if ( $label === null ) { |
| 121 | return true; |
| 122 | } |
| 123 | |
| 124 | $labelLang = $this->languageFactory->getLanguage( $label->getLanguageCode() ); |
| 125 | |
| 126 | // $idHtml, $labelHtml and $text is closely based on Wikibase DefaultEntityLinkFormatter::getHtml() |
| 127 | |
| 128 | $idHtml = '<span class="wb-itemlink-id">' |
| 129 | . $this->context->msg( |
| 130 | 'wikibase-itemlink-id-wrapper', |
| 131 | $target->getText() |
| 132 | )->inContentLanguage()->escaped() |
| 133 | . '</span>'; |
| 134 | |
| 135 | $labelHtml = '<span class="wb-itemlink-label"' |
| 136 | . ' lang="' . htmlspecialchars( $labelLang->getHtmlCode() ) . '"' |
| 137 | . ' dir="' . htmlspecialchars( $labelLang->getDir() ) . '">' |
| 138 | . HtmlArmor::getHtml( $label->getText() ) |
| 139 | . '</span>'; |
| 140 | |
| 141 | $text = new HtmlArmor( '<span class="wb-itemlink">' |
| 142 | . $this->context->msg( 'wikibase-itemlink' )->rawParams( |
| 143 | $labelHtml, |
| 144 | $idHtml |
| 145 | )->inContentLanguage()->escaped() |
| 146 | . '</span>' ); |
| 147 | |
| 148 | return true; |
| 149 | } |
| 150 | |
| 151 | private function shouldConvertNoBadTitle( Title $currentTitle, LinkRenderer $linkRenderer ): bool { |
| 152 | return $linkRenderer->isForComment() || |
| 153 | // Note: this may not work right with special page transclusion. If $out->getTitle() |
| 154 | // doesn't return the transcluded special page's title, the transcluded text will |
| 155 | // not have entity IDs resolved to labels. |
| 156 | // Also Note: Badtitle is excluded because it is used in rendering actual page content |
| 157 | // that is added to the ParserCache. See T327062#8796532 and https://www.mediawiki.org/wiki/API:Stashedit |
| 158 | ( $currentTitle->isSpecialPage() && !$currentTitle->isSpecial( 'Badtitle' ) ); |
| 159 | } |
| 160 | } |