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| 1 | <?php |
| 2 | |
| 3 | declare( strict_types = 1 ); |
| 4 | |
| 5 | namespace MediaWiki\Extension\Math\WikiTexVC\Nodes; |
| 6 | |
| 7 | use MediaWiki\Extension\Math\WikiTexVC\MMLnodes\MMLmo; |
| 8 | use MediaWiki\Extension\Math\WikiTexVC\MMLnodes\MMLmover; |
| 9 | use MediaWiki\Extension\Math\WikiTexVC\MMLnodes\MMLmrow; |
| 10 | use MediaWiki\Extension\Math\WikiTexVC\TexUtil; |
| 11 | |
| 12 | class Fun1 extends TexNode { |
| 13 | |
| 14 | /** @var string */ |
| 15 | protected $fname; |
| 16 | /** @var TexNode */ |
| 17 | protected $arg; |
| 18 | /** @var TexUtil */ |
| 19 | private $tu; |
| 20 | |
| 21 | public function __construct( string $fname, TexNode $arg ) { |
| 22 | parent::__construct( $fname, $arg ); |
| 23 | $this->fname = $fname; |
| 24 | $this->arg = $arg; |
| 25 | $this->tu = TexUtil::getInstance(); |
| 26 | } |
| 27 | |
| 28 | /** |
| 29 | * @return string |
| 30 | */ |
| 31 | public function getFname(): string { |
| 32 | return $this->fname; |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * @return TexNode |
| 37 | */ |
| 38 | public function getArg(): TexNode { |
| 39 | return $this->arg; |
| 40 | } |
| 41 | |
| 42 | /** @inheritDoc */ |
| 43 | public function inCurlies() { |
| 44 | return $this->render(); |
| 45 | } |
| 46 | |
| 47 | /** @inheritDoc */ |
| 48 | public function render() { |
| 49 | return '{' . $this->fname . ' ' . $this->arg->inCurlies() . '}'; |
| 50 | } |
| 51 | |
| 52 | /** @inheritDoc */ |
| 53 | public function renderMML( $arguments = [], &$state = [] ) { |
| 54 | return $this->parseToMML( $this->fname, $arguments, null ); |
| 55 | } |
| 56 | |
| 57 | public function createMover( string $inner, array $moArgs = [] ): string { |
| 58 | $mrow = new MMLmrow(); |
| 59 | $mo = new MMLmo( "", $moArgs ); |
| 60 | $mover = new MMLmover(); |
| 61 | $ret = $mrow->encapsulateRaw( |
| 62 | $mrow->encapsulateRaw( |
| 63 | $mover->encapsulateRaw( |
| 64 | $this->args[1]->renderMML() . |
| 65 | $mo->encapsulateRaw( $inner ) |
| 66 | ) |
| 67 | ) |
| 68 | ); |
| 69 | return $ret; |
| 70 | } |
| 71 | |
| 72 | /** @inheritDoc */ |
| 73 | public function extractIdentifiers( $args = null ) { |
| 74 | if ( $args == null ) { |
| 75 | $args = [ $this->arg ]; |
| 76 | } |
| 77 | $letterMods = array_keys( $this->tu->getBaseElements()['is_letter_mod'] ); |
| 78 | if ( in_array( $this->fname, $letterMods, true ) ) { |
| 79 | $ident = $this->arg->getModIdent(); |
| 80 | if ( !isset( $ident[0] ) ) { |
| 81 | return parent::extractIdentifiers( $args ); |
| 82 | } |
| 83 | // in difference to javascript code: taking first element of array here. |
| 84 | return [ $this->fname . '{' . $ident[0] . '}' ]; |
| 85 | |
| 86 | } elseif ( array_key_exists( $this->fname, $this->tu->getBaseElements()['ignore_identifier'] ) ) { |
| 87 | return []; |
| 88 | } |
| 89 | |
| 90 | return parent::extractIdentifiers( $args ); |
| 91 | } |
| 92 | |
| 93 | /** @inheritDoc */ |
| 94 | public function extractSubscripts() { |
| 95 | return $this->getSubs( $this->arg->extractSubscripts() ); |
| 96 | } |
| 97 | |
| 98 | /** @inheritDoc */ |
| 99 | public function getModIdent() { |
| 100 | return $this->getSubs( $this->arg->getModIdent() ); |
| 101 | } |
| 102 | |
| 103 | private function getSubs( array $subs ): array { |
| 104 | $letterMods = array_keys( $this->tu->getBaseElements()['is_letter_mod'] ); |
| 105 | |
| 106 | if ( isset( $subs[0] ) && in_array( $this->fname, $letterMods, true ) ) { |
| 107 | // in difference to javascript code: taking first element of array here. |
| 108 | return [ $this->fname . '{' . $subs[0] . '}' ]; |
| 109 | } |
| 110 | return []; |
| 111 | } |
| 112 | |
| 113 | } |