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MathSource.php
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MathSource.php
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<?php
/**
* MediaWiki math extension
*
* @copyright 2002-2012 Tomasz Wegrzanowski, Brion Vibber, Moritz Schubotz and other MediaWiki
* contributors
* @license GPL-2.0-or-later
*
* Contains everything related to <math> </math> parsing
* @file
*/
namespace MediaWiki\Extension\Math;
use LogicException;
use MediaWiki\Html\Html;
/**
* Takes LaTeX fragments and outputs the source directly to the browser
*
* @author Tomasz Wegrzanowski
* @author Brion Vibber
* @author Moritz Schubotz
* @ingroup Parser
*/
class MathSource extends MathRenderer {
/**
* @param string $tex
* @param array $params
*/
public function __construct( $tex = '', $params = [] ) {
parent::__construct( $tex, $params );
$this->setMode( MathConfig::MODE_SOURCE );
}
/**
* Renders TeX by outputting it to the browser in a span tag
*
* @param bool $svg
* @return string span tag with TeX
*/
public function getHtmlOutput( bool $svg = true ): string {
# No need to render or parse anything more!
# New lines are replaced with spaces, which avoids confusing our parser (bugs 23190, 22818)
if ( $this->getMathStyle() == 'display' ) {
$class = 'mwe-math-fallback-source-display';
} else {
$class = 'mwe-math-fallback-source-inline';
}
return Html::element( 'span',
$this->getAttributes(
'span',
[
// the former class name was 'tex'
// for backwards compatibility we keep this classname T348938
'class' => $class . ' tex',
'dir' => 'ltr'
]
),
'$ ' . str_replace( "\n", " ", $this->getTex() ) . ' $'
);
}
/**
* @throws LogicException always
* @return never
*/
protected function getMathTableName() {
throw new LogicException( 'in math source mode no database caching should happen' );
}
/**
* No rendering required in plain text mode
* @return bool
*/
public function render() {
// assume unchanged to avoid unnecessary database access
$this->changed = false;
return true;
}
}

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MathSource.php (1 KB)

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