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| 1 | <?php |
| 2 | |
| 3 | namespace Kartographer\Tag; |
| 4 | |
| 5 | use FormatJson; |
| 6 | use Kartographer\ParsoidUtils; |
| 7 | use Kartographer\SimpleStyleParser; |
| 8 | use MediaWiki\MediaWikiServices; |
| 9 | use MediaWiki\Parser\ParserOutputStringSets; |
| 10 | use MediaWiki\Title\Title; |
| 11 | use stdClass; |
| 12 | use Wikimedia\Parsoid\DOM\Element; |
| 13 | use Wikimedia\Parsoid\DOM\Node; |
| 14 | use Wikimedia\Parsoid\Ext\DOMDataUtils; |
| 15 | use Wikimedia\Parsoid\Ext\DOMProcessor; |
| 16 | use Wikimedia\Parsoid\Ext\ParsoidExtensionAPI; |
| 17 | use Wikimedia\Parsoid\Utils\DOMCompat; |
| 18 | use Wikimedia\Parsoid\Utils\DOMTraverser; |
| 19 | |
| 20 | /** |
| 21 | * @license MIT |
| 22 | */ |
| 23 | class ParsoidDomProcessor extends DOMProcessor { |
| 24 | |
| 25 | /** @inheritDoc */ |
| 26 | public function wtPostprocess( ParsoidExtensionAPI $extApi, Node $root, array $options ): void { |
| 27 | if ( !( $root instanceof Element ) ) { |
| 28 | return; |
| 29 | } |
| 30 | |
| 31 | $state = [ |
| 32 | 'broken' => 0, |
| 33 | 'interactiveGroups' => [], |
| 34 | 'requestedGroups' => [], |
| 35 | 'counters' => [], |
| 36 | 'maplinks' => 0, |
| 37 | 'mapframes' => 0, |
| 38 | 'data' => [], |
| 39 | ]; |
| 40 | |
| 41 | // FIXME This only selects data-mw-kartographer nodes without exploring HTML that may be stored in |
| 42 | // attributes. We need to expand the traversal to find these as well. |
| 43 | $kartnodes = DOMCompat::querySelectorAll( $root, '*[data-mw-kartographer]' ); |
| 44 | |
| 45 | // let's avoid adding data to the page if there's no kartographer nodes! |
| 46 | if ( !$kartnodes ) { |
| 47 | return; |
| 48 | } |
| 49 | |
| 50 | $mapServer = MediaWikiServices::getInstance()->getMainConfig()->get( 'KartographerMapServer' ); |
| 51 | $extApi->getMetadata()->addModuleStyles( [ 'ext.kartographer.style' ] ); |
| 52 | $extApi->getMetadata()->appendOutputStrings( ParserOutputStringSets::EXTRA_CSP_DEFAULT_SRC, [ $mapServer ] ); |
| 53 | |
| 54 | $traverser = new DOMTraverser( false, true ); |
| 55 | $traverser->addHandler( null, function ( $node ) use ( &$state, $extApi ) { |
| 56 | if ( $node instanceof Element && $node->hasAttribute( 'data-mw-kartographer' ) ) { |
| 57 | $this->processKartographerNode( $node, $extApi, $state ); |
| 58 | } |
| 59 | return true; |
| 60 | } ); |
| 61 | $traverser->traverse( $extApi, $root ); |
| 62 | |
| 63 | if ( $state['broken'] > 0 ) { |
| 64 | ParsoidUtils::addCategory( $extApi, 'kartographer-broken-category' ); |
| 65 | } |
| 66 | if ( $state['maplinks'] + $state['mapframes'] > $state['broken'] ) { |
| 67 | ParsoidUtils::addCategory( $extApi, 'kartographer-tracking-category' ); |
| 68 | } |
| 69 | |
| 70 | $interactive = $state['interactiveGroups']; |
| 71 | $state['interactiveGroups'] = array_keys( $state['interactiveGroups'] ); |
| 72 | $state['requestedGroups'] = array_keys( $state['requestedGroups'] ); |
| 73 | $state['parsoidIntVersion'] = |
| 74 | MediaWikiServices::getInstance()->getMainConfig()->get( 'KartographerParsoidVersion' ); |
| 75 | $extApi->getMetadata()->setExtensionData( 'kartographer', $state ); |
| 76 | |
| 77 | foreach ( $interactive as $req ) { |
| 78 | if ( !isset( $state['data'][$req] ) ) { |
| 79 | $state['data'][$req] = []; |
| 80 | } |
| 81 | } |
| 82 | $extApi->getMetadata()->setJsConfigVar( 'wgKartographerLiveData', $state['data'] ?? [] ); |
| 83 | } |
| 84 | |
| 85 | private function processKartographerNode( Element $kartnode, ParsoidExtensionAPI $extApi, array &$state ): void { |
| 86 | $tagName = $kartnode->getAttribute( 'data-mw-kartographer' ) ?? ''; |
| 87 | if ( $tagName !== '' ) { |
| 88 | $state[$tagName . 's' ]++; |
| 89 | } |
| 90 | |
| 91 | $markerStr = $kartnode->getAttribute( 'data-kart' ); |
| 92 | $kartnode->removeAttribute( 'data-kart' ); |
| 93 | if ( $markerStr === 'error' ) { |
| 94 | $state['broken']++; |
| 95 | return; |
| 96 | } |
| 97 | $marker = json_decode( $markerStr ?? '' ); |
| 98 | |
| 99 | $state['requestedGroups'] = array_merge( $state['requestedGroups'], $marker->showGroups ?? [] ); |
| 100 | if ( $tagName === ParsoidMapFrame::TAG ) { |
| 101 | $state['interactiveGroups'] = array_merge( $state['interactiveGroups'], $marker->showGroups ?? [] ); |
| 102 | } |
| 103 | |
| 104 | if ( !$marker || !$marker->geometries || !$marker->geometries[0] instanceof stdClass ) { |
| 105 | return; |
| 106 | } |
| 107 | [ $counter, $props ] = SimpleStyleParser::updateMarkerSymbolCounters( $marker->geometries, |
| 108 | $state['counters'] ); |
| 109 | if ( $tagName === ParsoidMapLink::TAG && $counter ) { |
| 110 | if ( !isset( DOMDataUtils::getDataMw( $kartnode )->attrs->text ) ) { |
| 111 | $text = $extApi->getTopLevelDoc()->createTextNode( $counter ); |
| 112 | $kartnode->replaceChild( $text, $kartnode->firstChild ); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | $data = $marker->geometries; |
| 117 | |
| 118 | if ( $counter ) { |
| 119 | // If we have a counter, we update the marker data prior to encoding the groupId, and we remove |
| 120 | // the (previously computed) groupId from showGroups |
| 121 | if ( ( $marker->groupId[0] ?? '' ) === '_' ) { |
| 122 | // TODO unclear if this is necessary or if we could simply set it to []. |
| 123 | $marker->showGroups = array_values( array_diff( $marker->showGroups, [ $marker->groupId ] ) ); |
| 124 | $marker->groupId = null; |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | $groupId = $marker->groupId ?? null; |
| 129 | if ( $groupId === null ) { |
| 130 | // This hash calculation MUST be the same as in LegacyTagHandler::saveData |
| 131 | $groupId = '_' . sha1( FormatJson::encode( $marker->geometries, false, FormatJson::ALL_OK ) ); |
| 132 | $marker->groupId = $groupId; |
| 133 | $marker->showGroups[] = $groupId; |
| 134 | $kartnode->setAttribute( 'data-overlays', FormatJson::encode( $marker->showGroups ) ); |
| 135 | $img = $kartnode->firstChild; |
| 136 | // this should always be the case, but let make phan aware of it |
| 137 | if ( $img instanceof Element ) { |
| 138 | $this->updateSrc( $img, $groupId, $extApi ); |
| 139 | $this->updateSrcSet( $img, $groupId, $extApi ); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | // There is no way to ever add anything to a private group starting with `_` |
| 144 | if ( isset( $state['data'][$groupId] ) && !str_starts_with( $groupId, '_' ) ) { |
| 145 | $state['data'][$groupId] = array_merge( $state['data'][$groupId], $data ); |
| 146 | } else { |
| 147 | $state['data'][$groupId] = $data; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | private function updateSrc( Element $firstChild, string $groupId, ParsoidExtensionAPI $extApi ): void { |
| 152 | $src = $firstChild->getAttribute( 'src' ) ?? ''; |
| 153 | if ( $src !== '' ) { |
| 154 | $src = $this->updateUrl( $src, $extApi, $groupId ); |
| 155 | $firstChild->setAttribute( 'src', $src ); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | private function updateSrcSet( Element $firstChild, string $groupId, ParsoidExtensionAPI $extApi ): void { |
| 160 | $srcset = $firstChild->getAttribute( 'srcset' ) ?? ''; |
| 161 | if ( $srcset !== '' ) { |
| 162 | $arr = explode( ', ', $srcset ); |
| 163 | $srcsets = []; |
| 164 | foreach ( $arr as $plop ) { |
| 165 | $toks = explode( ' ', $plop ); |
| 166 | $toks[0] = $this->updateUrl( $toks[0], $extApi, $groupId ); |
| 167 | $srcsets[] = implode( ' ', $toks ); |
| 168 | } |
| 169 | $firstChild->setAttribute( 'srcset', implode( ', ', $srcsets ) ); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | private function updateUrl( string $src, ParsoidExtensionAPI $extApi, string $groupId ): string { |
| 174 | $url = explode( '?', $src ); |
| 175 | $attrs = wfCgiToArray( $url[1] ); |
| 176 | |
| 177 | $config = MediaWikiServices::getInstance()->getMainConfig(); |
| 178 | $linkTarget = $extApi->getPageConfig()->getLinkTarget(); |
| 179 | $pagetitle = Title::newFromLinkTarget( $linkTarget )->getPrefixedText(); |
| 180 | $revisionId = $extApi->getPageConfig()->getRevisionId(); |
| 181 | $attrs = array_merge( $attrs, |
| 182 | MapFrameAttributeGenerator::getUrlAttrs( $config, $pagetitle, $revisionId, [ $groupId ] ) |
| 183 | ); |
| 184 | |
| 185 | return $url[0] . '?' . wfArrayToCgi( $attrs ); |
| 186 | } |
| 187 | |
| 188 | } |