mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/Math
synced 2024-11-28 01:10:09 +00:00
140 lines
3.5 KiB
PHP
140 lines
3.5 KiB
PHP
<?php
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/**
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* MediaWiki math extension
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*
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* (c) 2002-2011 various MediaWiki contributors
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* GPLv2 license; info in main package.
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*/
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class MathHooks {
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/**
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* Set up $wgMathPath and $wgMathDirectory globals if they're not already
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* set.
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*/
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static function setup() {
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global $wgMathPath, $wgMathDirectory;
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global $wgUploadPath, $wgUploadDirectory;
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if ( $wgMathPath === false ) {
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$wgMathPath = "{$wgUploadPath}/math";
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}
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if ( $wgMathDirectory === false ) {
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$wgMathDirectory = "{$wgUploadDirectory}/math";
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}
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}
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/**
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* Register the <math> tag with the Parser.
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*
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* @param $parser Parser instance of Parser
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* @return Boolean: true
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*/
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static function onParserFirstCallInit( $parser ) {
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$parser->setHook( 'math', array( 'MathHooks', 'mathTagHook' ) );
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return true;
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}
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/**
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* Callback function for the <math> parser hook.
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*
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* @param $content
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* @param $attributes
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* @param $parser Parser
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* @return
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*/
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static function mathTagHook( $content, $attributes, $parser ) {
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global $wgContLang;
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$renderedMath = MathRenderer::renderMath(
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$content, $attributes, $parser->getOptions()
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);
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return $wgContLang->armourMath( $renderedMath );
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}
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/**
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* Add the new math rendering options to Special:Preferences.
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*
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* @param $user Object: current User object
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* @param $defaultPreferences Object: Preferences object
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* @return Boolean: true
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*/
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static function onGetPreferences( $user, &$defaultPreferences ) {
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$defaultPreferences['math'] = array(
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'type' => 'radio',
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'options' => array_flip( array_map( 'wfMsgHtml', self::getMathNames() ) ),
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'label' => ' ',
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'section' => 'rendering/math',
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);
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return true;
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}
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/**
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* List of message keys for the various math output settings.
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*
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* @return array of strings
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*/
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private static function getMathNames() {
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return array(
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MW_MATH_PNG => 'mw_math_png',
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MW_MATH_SIMPLE => 'mw_math_simple',
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MW_MATH_HTML => 'mw_math_html',
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MW_MATH_SOURCE => 'mw_math_source',
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MW_MATH_MODERN => 'mw_math_modern',
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MW_MATH_MATHML => 'mw_math_mathml'
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);
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}
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/**
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* MaintenanceRefreshLinksInit handler; optimize settings for refreshLinks batch job.
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*
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* @param Maintenance $maint
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* @return boolean hook return code
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*/
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static function onMaintenanceRefreshLinksInit( $maint ) {
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global $wgUser;
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# Don't generate TeX PNGs (lack of a sensible current directory causes errors anyway)
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$wgUser->setOption( 'math', MW_MATH_SOURCE );
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return true;
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}
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/**
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* LoadExtensionSchemaUpdates handler; set up math table on install/upgrade.
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*
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* @param $updater DatabaseUpdater
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* @return bool
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*/
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static function onLoadExtensionSchemaUpdates( $updater = null ) {
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if( is_null( $updater ) ) {
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throw new MWException( "Math extension is only necessary in 1.18 or above" );
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}
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$map = array(
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'mysql' => 'math.sql',
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'sqlite' => 'math.sql',
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'postgres' => 'math.pg.sql',
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'oracle' => 'math.oracle.sql',
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'mssql' => 'math.mssql.sql',
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'db2' => 'math.db2.sql',
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);
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$type = $updater->getDB()->getType();
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if ( isset( $map[$type] ) ) {
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$sql = dirname( __FILE__ ) . '/db/' . $map[$type];
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$updater->addExtensionTable( 'math', $sql );
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} else {
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throw new MWException( "Math extension does not currently support $type database." );
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}
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return true;
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}
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/**
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* Add 'math' table to the list of tables that need to be copied to
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* temporary tables for parser tests to run.
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*
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* @param array $tables
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* @return bool
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*/
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static function onParserTestTables( &$tables ) {
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$tables[] = 'math';
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return true;
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}
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}
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