72 lines
1.7 KiB
PHP
72 lines
1.7 KiB
PHP
<?php
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/**
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* MediaWiki math extension
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*
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* @copyright 2002-2012 Tomasz Wegrzanowski, Brion Vibber, Moritz Schubotz and other MediaWiki
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* contributors
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* @license GPL-2.0-or-later
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*
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* Contains everything related to <math> </math> parsing
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* @file
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*/
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/**
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* Takes LaTeX fragments and outputs the source directly to the browser
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*
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* @author Tomasz Wegrzanowski
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* @author Brion Vibber
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* @author Moritz Schubotz
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* @ingroup Parser
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*/
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class MathSource extends MathRenderer {
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/**
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* @param string $tex
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* @param array $params
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*/
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public function __construct( $tex = '', $params = [] ) {
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parent::__construct( $tex, $params );
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$this->setMode( 'source' );
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}
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/**
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* Renders TeX by outputting it to the browser in a span tag
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*
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* @return string span tag with TeX
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*/
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public function getHtmlOutput() {
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# No need to render or parse anything more!
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# New lines are replaced with spaces, which avoids confusing our parser (bugs 23190, 22818)
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if ( $this->getMathStyle() == 'display' ) {
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$class = 'mwe-math-fallback-source-display';
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} else {
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$class = 'mwe-math-fallback-source-inline';
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}
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return Html::element( 'span',
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$this->getAttributes(
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'span',
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[
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// the former class name was 'tex'
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// for backwards compatibility we keep this classname
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'class' => $class . ' tex',
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'dir' => 'ltr'
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]
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),
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'$ ' . str_replace( "\n", " ", $this->getTex() ) . ' $'
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);
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}
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protected function getMathTableName() {
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throw new Exception( 'in math source mode no database caching should happen' );
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}
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/**
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* No rendering required in plain text mode
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* @return bool
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*/
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public function render() {
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// assume unchanged to avoid unnecessary database access
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$this->changed = false;
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return true;
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}
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}
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