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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | namespace Wikimedia\Parsoid\Wt2Html\TT; |
| 5 | |
| 6 | use Wikimedia\Parsoid\NodeData\DataParsoid; |
| 7 | use Wikimedia\Parsoid\Tokens\EndTagTk; |
| 8 | use Wikimedia\Parsoid\Tokens\KV; |
| 9 | use Wikimedia\Parsoid\Tokens\SelfclosingTagTk; |
| 10 | use Wikimedia\Parsoid\Tokens\Token; |
| 11 | use Wikimedia\Parsoid\Utils\TokenUtils; |
| 12 | use Wikimedia\Parsoid\Wt2Html\TokenTransformManager; |
| 13 | |
| 14 | /** |
| 15 | * OnlyInclude sadly forces synchronous template processing, as it needs to |
| 16 | * hold onto all tokens in case an onlyinclude block is encountered later. |
| 17 | * This can fortunately be worked around by caching the tokens after |
| 18 | * onlyinclude processing (which is a good idea anyway). |
| 19 | */ |
| 20 | class OnlyInclude extends TokenHandler { |
| 21 | /** @var array */ |
| 22 | private $accum = []; |
| 23 | |
| 24 | /** @var bool */ |
| 25 | private $inOnlyInclude = false; |
| 26 | |
| 27 | /** @var bool */ |
| 28 | private $foundOnlyInclude = false; |
| 29 | |
| 30 | /** |
| 31 | * @param TokenTransformManager $manager manager environment |
| 32 | * @param array $options options |
| 33 | */ |
| 34 | public function __construct( TokenTransformManager $manager, array $options ) { |
| 35 | parent::__construct( $manager, $options ); |
| 36 | if ( empty( $this->options['isInclude'] ) ) { |
| 37 | $this->accum = []; |
| 38 | $this->inOnlyInclude = false; |
| 39 | $this->foundOnlyInclude = false; |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @inheritDoc |
| 45 | */ |
| 46 | public function onAny( $token ): ?TokenHandlerResult { |
| 47 | return !empty( $this->options['isInclude'] ) ? $this->onAnyInclude( $token ) : null; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * @inheritDoc |
| 52 | */ |
| 53 | public function onTag( Token $token ): ?TokenHandlerResult { |
| 54 | return empty( $this->options['isInclude'] ) && $token->getName() === 'onlyinclude' ? |
| 55 | $this->onOnlyInclude( $token ) : null; |
| 56 | } |
| 57 | |
| 58 | private function onOnlyInclude( Token $token ): TokenHandlerResult { |
| 59 | $tsr = $token->dataParsoid->tsr; |
| 60 | $src = !$this->options['inTemplate'] |
| 61 | ? $token->getWTSource( $this->manager->getFrame() ) |
| 62 | : null; |
| 63 | $attribs = [ |
| 64 | new KV( 'typeof', 'mw:Includes/OnlyInclude' . |
| 65 | ( ( $token instanceof EndTagTk ) ? '/End' : '' ) ) |
| 66 | ]; |
| 67 | $dp = new DataParsoid; |
| 68 | $dp->tsr = $tsr; |
| 69 | $dp->src = $src; |
| 70 | $meta = new SelfclosingTagTk( 'meta', $attribs, $dp ); |
| 71 | return new TokenHandlerResult( [ $meta ] ); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * @param Token|array $token |
| 76 | * @return TokenHandlerResult|null |
| 77 | */ |
| 78 | private function onAnyInclude( $token ): ?TokenHandlerResult { |
| 79 | $tagName = null; |
| 80 | $isTag = null; |
| 81 | $meta = null; |
| 82 | |
| 83 | $tc = TokenUtils::getTokenType( $token ); |
| 84 | if ( $tc === 'EOFTk' ) { |
| 85 | $this->inOnlyInclude = false; |
| 86 | if ( count( $this->accum ) && !$this->foundOnlyInclude ) { |
| 87 | $res = $this->accum; |
| 88 | $res[] = $token; |
| 89 | $this->accum = []; |
| 90 | return new TokenHandlerResult( $res ); |
| 91 | } else { |
| 92 | $this->foundOnlyInclude = false; |
| 93 | $this->accum = []; |
| 94 | return null; |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | $isTag = $tc === 'TagTk' || $tc === 'EndTagTk' || $tc === 'SelfclosingTagTk'; |
| 99 | if ( $isTag ) { |
| 100 | switch ( $token->getName() ) { |
| 101 | case 'onlyinclude': |
| 102 | $tagName = 'mw:Includes/OnlyInclude'; |
| 103 | break; |
| 104 | case 'includeonly': |
| 105 | $tagName = 'mw:Includes/IncludeOnly'; |
| 106 | break; |
| 107 | case 'noinclude': |
| 108 | $tagName = 'mw:Includes/NoInclude'; |
| 109 | break; |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | if ( $isTag && $token->getName() === 'onlyinclude' ) { |
| 114 | if ( !$this->inOnlyInclude ) { |
| 115 | $this->foundOnlyInclude = true; |
| 116 | $this->inOnlyInclude = true; |
| 117 | // wrap collected tokens into meta tag for round-tripping |
| 118 | $meta = TokenCollector::buildMetaToken( $this->manager, $tagName, |
| 119 | $tc === 'EndTagTk', $token->dataParsoid->tsr ?? null, '' ); |
| 120 | } else { |
| 121 | $this->inOnlyInclude = false; |
| 122 | $meta = TokenCollector::buildMetaToken( $this->manager, $tagName, |
| 123 | $tc === 'EndTagTk', $token->dataParsoid->tsr ?? null, '' ); |
| 124 | } |
| 125 | return new TokenHandlerResult( [ $meta ] ); |
| 126 | } else { |
| 127 | if ( $this->inOnlyInclude ) { |
| 128 | return null; |
| 129 | } else { |
| 130 | $this->accum[] = $token; |
| 131 | return new TokenHandlerResult( [] ); |
| 132 | } |
| 133 | } |
| 134 | } |
| 135 | } |