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Lr.php
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Lr.php
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<?php
declare( strict_types = 1 );
namespace MediaWiki\Extension\Math\WikiTexVC\Nodes;
use MediaWiki\Extension\Math\WikiTexVC\MMLmappings\BaseMethods;
use MediaWiki\Extension\Math\WikiTexVC\MMLmappings\TexConstants\TexClass;
use MediaWiki\Extension\Math\WikiTexVC\MMLnodes\MMLmo;
use MediaWiki\Extension\Math\WikiTexVC\MMLnodes\MMLmrow;
class Lr extends TexNode {
/** @var string */
private $left;
/** @var string */
private $right;
/** @var TexArray */
private $arg;
public function __construct( string $left, string $right, TexArray $arg ) {
parent::__construct( $left, $right, $arg );
$this->left = $left;
$this->right = $right;
$this->arg = $arg;
}
/**
* @return string
*/
public function getLeft(): string {
return $this->left;
}
/**
* @return string
*/
public function getRight(): string {
return $this->right;
}
/**
* @return TexArray
*/
public function getArg(): TexArray {
return $this->arg;
}
/** @inheritDoc */
public function inCurlies() {
return '{' . $this->render() . '}';
}
/** @inheritDoc */
public function render() {
return '\\left' . $this->left . $this->arg->render() . '\\right' . $this->right;
}
/** @inheritDoc */
public function renderMML( $arguments = [], &$state = [] ) {
// TBD set attributes for right AND left correctly
$rightAttrs = [];
if ( $this->right == "." ) {
$rightAttrs = [ "fence" => "true", "stretchy" => "true", "symmetric" => "true" ];
}
$bm = new BaseMethods();
$left = $bm->checkAndParseDelimiter( $this->left, $this, [], null, true,
TexClass::OPEN );
if ( !$left ) {
$moLeft = new MMLmo( TexClass::OPEN, [] );
$left = $moLeft->encapsulateRaw( $this->right );
}
$right = $bm->checkAndParseDelimiter( $this->right, $this, $rightAttrs, null, true,
TexClass::CLOSE );
if ( !$right ) {
$moRight = new MMLmo( TexClass::CLOSE, $rightAttrs );
$right = $moRight->encapsulateRaw( $this->right );
}
// Don't apply outer ' inside the LR structure
unset( $state['deriv'] );
$inner = $this->getArg()->renderMML( [], $state );
$mrow = new MMLmrow( TexClass::INNER );
return $mrow->encapsulateRaw(
$left . $inner .
$right
);
}
private function mmlTranslate( string $input ): string {
switch ( trim( $input ) ) {
case "\\vert":
return "|";
default:
return $input;
}
}
/** @inheritDoc */
public function containsFunc( $target, $args = null ) {
if ( $args == null ) {
$args = [ '\\left', '\\right', $this->arg ];
}
return parent::containsFunc( $target, $args );
}
/** @inheritDoc */
public function extractIdentifiers( $args = null ) {
if ( $args == null ) {
$args = [ $this->arg ];
}
return parent::extractIdentifiers( $args );
}
}

File Metadata

Mime Type
text/x-php
Expires
Wed, Aug 19, 00:49 (2 w, 20 h ago)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
26/82/5c33e8896b7ba406b91563c2ce4f
Default Alt Text
Lr.php (2 KB)

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