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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace Wikimedia\Parsoid\Core; |
| 5 | |
| 6 | use Composer\Semver\Semver; |
| 7 | use Wikimedia\Parsoid\DOM\Document; |
| 8 | use Wikimedia\Parsoid\DOM\Element; |
| 9 | use Wikimedia\Parsoid\DOM\Node; |
| 10 | use Wikimedia\Parsoid\Utils\ContentUtils; |
| 11 | use Wikimedia\Parsoid\Utils\DOMCompat; |
| 12 | use Wikimedia\Parsoid\Utils\DOMDataUtils; |
| 13 | use Wikimedia\Parsoid\Utils\DOMUtils; |
| 14 | use Wikimedia\Parsoid\Utils\PHPUtils; |
| 15 | |
| 16 | /** |
| 17 | * PORT-FIXME: This is just a placeholder for data that was previously passed |
| 18 | * to entrypoint in JavaScript. Who will construct these objects and whether |
| 19 | * this is the correct interface is yet to be determined. |
| 20 | */ |
| 21 | class PageBundle { |
| 22 | /** @var string */ |
| 23 | public $html; |
| 24 | |
| 25 | /** @var ?array */ |
| 26 | public $parsoid; |
| 27 | |
| 28 | /** @var ?array */ |
| 29 | public $mw; |
| 30 | |
| 31 | /** @var ?string */ |
| 32 | public $version; |
| 33 | |
| 34 | /** @var ?array */ |
| 35 | public $headers; |
| 36 | |
| 37 | /** @var string|null */ |
| 38 | public $contentmodel; |
| 39 | |
| 40 | public function __construct( |
| 41 | string $html, ?array $parsoid = null, ?array $mw = null, |
| 42 | ?string $version = null, ?array $headers = null, |
| 43 | ?string $contentmodel = null |
| 44 | ) { |
| 45 | $this->html = $html; |
| 46 | $this->parsoid = $parsoid; |
| 47 | $this->mw = $mw; |
| 48 | $this->version = $version; |
| 49 | $this->headers = $headers; |
| 50 | $this->contentmodel = $contentmodel; |
| 51 | } |
| 52 | |
| 53 | public function toDom(): Document { |
| 54 | $doc = DOMUtils::parseHTML( $this->html ); |
| 55 | self::apply( $doc, $this ); |
| 56 | return $doc; |
| 57 | } |
| 58 | |
| 59 | public function toHtml(): string { |
| 60 | return ContentUtils::toXML( $this->toDom() ); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Check if this pagebundle is valid. |
| 65 | * @param string $contentVersion Document content version to validate against. |
| 66 | * @param ?string &$errorMessage Error message will be returned here. |
| 67 | * @return bool |
| 68 | */ |
| 69 | public function validate( |
| 70 | string $contentVersion, ?string &$errorMessage = null |
| 71 | ) { |
| 72 | if ( !$this->parsoid || !isset( $this->parsoid['ids'] ) ) { |
| 73 | $errorMessage = 'Invalid data-parsoid was provided.'; |
| 74 | return false; |
| 75 | } elseif ( Semver::satisfies( $contentVersion, '^999.0.0' ) |
| 76 | && ( !$this->mw || !isset( $this->mw['ids'] ) ) |
| 77 | ) { |
| 78 | $errorMessage = 'Invalid data-mw was provided.'; |
| 79 | return false; |
| 80 | } |
| 81 | return true; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * @return array |
| 86 | */ |
| 87 | public function responseData() { |
| 88 | $responseData = [ |
| 89 | 'contentmodel' => $this->contentmodel ?? '', |
| 90 | 'html' => [ |
| 91 | 'headers' => array_merge( [ |
| 92 | 'content-type' => 'text/html; charset=utf-8; ' |
| 93 | . 'profile="https://www.mediawiki.org/wiki/Specs/HTML/' |
| 94 | . $this->version . '"', |
| 95 | ], $this->headers ?? [] ), |
| 96 | 'body' => $this->html, |
| 97 | ], |
| 98 | 'data-parsoid' => [ |
| 99 | 'headers' => [ |
| 100 | 'content-type' => 'application/json; charset=utf-8; ' |
| 101 | . 'profile="https://www.mediawiki.org/wiki/Specs/data-parsoid/' |
| 102 | . $this->version . '"', |
| 103 | ], |
| 104 | 'body' => $this->parsoid, |
| 105 | ], |
| 106 | ]; |
| 107 | if ( Semver::satisfies( $this->version, '^999.0.0' ) ) { |
| 108 | $responseData['data-mw'] = [ |
| 109 | 'headers' => [ |
| 110 | 'content-type' => 'application/json; charset=utf-8; ' . |
| 111 | 'profile="https://www.mediawiki.org/wiki/Specs/data-mw/' . |
| 112 | $this->version . '"', |
| 113 | ], |
| 114 | 'body' => $this->mw, |
| 115 | ]; |
| 116 | } |
| 117 | return $responseData; |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Applies the `data-*` attributes JSON structure to the document. |
| 122 | * Leaves `id` attributes behind -- they are used by citation code to |
| 123 | * extract `<ref>` body from the DOM. |
| 124 | * |
| 125 | * @param Document $doc doc |
| 126 | * @param PageBundle $pb page bundle |
| 127 | */ |
| 128 | public static function apply( Document $doc, PageBundle $pb ): void { |
| 129 | DOMUtils::visitDOM( |
| 130 | DOMCompat::getBody( $doc ), |
| 131 | static function ( Node $node ) use ( &$pb ): void { |
| 132 | if ( $node instanceof Element ) { |
| 133 | $id = DOMCompat::getAttribute( $node, 'id' ); |
| 134 | if ( $id === null ) { |
| 135 | return; |
| 136 | } |
| 137 | if ( isset( $pb->parsoid['ids'][$id] ) ) { |
| 138 | DOMDataUtils::setJSONAttribute( |
| 139 | $node, 'data-parsoid', $pb->parsoid['ids'][$id] |
| 140 | ); |
| 141 | } |
| 142 | if ( isset( $pb->mw['ids'][$id] ) ) { |
| 143 | // Only apply if it isn't already set. This means |
| 144 | // earlier applications of the pagebundle have higher |
| 145 | // precedence, inline data being the highest. |
| 146 | if ( !$node->hasAttribute( 'data-mw' ) ) { |
| 147 | DOMDataUtils::setJSONAttribute( |
| 148 | $node, 'data-mw', $pb->mw['ids'][$id] |
| 149 | ); |
| 150 | } |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | ); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Encode some of these properties for emitting in the <heaad> element of a doc |
| 159 | * @return string |
| 160 | */ |
| 161 | public function encodeForHeadElement(): string { |
| 162 | return PHPUtils::jsonEncode( [ 'parsoid' => $this->parsoid ?? [], 'mw' => $this->mw ?? [] ] ); |
| 163 | } |
| 164 | } |