getOption( 'math' ); // Check if the key already contains the math option part if ( !preg_match( '/(^|!)' . self::mathCacheKey . $mathOption . '(!|$)/', $confstr ) ) { // The math part of cache key starts with "math=" followed by a star or a number for the math mode // and the optional letter j that indicates if clientside MathJax rendering is used. if ( preg_match( '/(^|!)' . self::mathCacheKey . '[*\d]m?(!|$)/', $confstr ) ) { $confstr = preg_replace( '/(^|!)' . self::mathCacheKey . '[*\d]m?(!|$)/', '\1' . self::mathCacheKey . $mathOption . '\2', $confstr ); } else { $confstr .= '!' . self::mathCacheKey . $mathOption; } wfDebugLog( 'Math', "New cache key: $confstr" ); } else { wfDebugLog( 'Math', "Cache key found $confstr" ); } } return true; } /** * Set up $wgMathPath and $wgMathDirectory globals if they're not already set. */ static function setup() { global $wgMathPath, $wgMathDirectory, $wgUploadPath, $wgUploadDirectory; if ( $wgMathPath === false ) { $wgMathPath = "{$wgUploadPath}/math"; } if ( $wgMathDirectory === false ) { $wgMathDirectory = "{$wgUploadDirectory}/math"; } } /** * Register the tag with the Parser. * * @param $parser Parser instance of Parser * @return Boolean: true */ static function onParserFirstCallInit( $parser ) { $parser->setHook( 'math', array( 'MathHooks', 'mathTagHook' ) ); return true; } /** * Callback function for the parser hook. * * @param $content (the LaTeX input) * @param $attributes * @param Parser $parser * @return string */ static function mathTagHook( $content, $attributes, $parser ) { global $wgContLang, $wgUseMathJax, $wgMathDisableTexFilter; if ( trim( $content ) === '' ) { // bug 8372 return ''; } wfProfileIn( __METHOD__ ); $mode = (int)$parser->getUser()->getOption( 'math' ); // Indicate that this page uses math. // This affects the page caching behavior. if ( is_callable( 'ParserOptions::getMath' ) ) { $parser->getOptions()->getMath(); } else { $parser->getOptions()->optionUsed( 'math' ); } $renderer = MathRenderer::getRenderer( $content, $attributes, $mode ); if ( !$wgMathDisableTexFilter ) { $checkResult = $renderer->checkTex(); if ( $checkResult !== true ) { // Returns the error message return $renderer->getLastError(); } } $renderedMath = $renderer->render(); if ( $wgUseMathJax && $mode == MW_MATH_MATHJAX ) { $parser->getOutput()->addModules( array( 'ext.math.mathjax.enabler' ) ); } $renderer->writeCache(); $result = $wgContLang->armourMath( $renderedMath ); wfProfileOut( __METHOD__ ); return $result; } /** * Add the new math rendering options to Special:Preferences. * * @param $user Object: current User object * @param $defaultPreferences Object: Preferences object * @return Boolean: true */ static function onGetPreferences( $user, &$defaultPreferences ) { $defaultPreferences['math'] = array( 'type' => 'radio', 'options' => array_flip( self::getMathNames() ), 'label' => ' ', 'section' => 'rendering/math', ); return true; } public static function onGetBetaPreferences( $user, &$preferences ) { global $wgExtensionAssetsPath; if ( class_exists( 'VisualEditorHooks' ) ) { // Add beta feature if VisualEditor is installed $dir = RequestContext::getMain()->getLanguage()->getDir(); $preferences['math-enable-visualeditor'] = array( 'version' => '1.0', 'label-message' => 'math-preference-mwmathinspector-label', 'desc-message' => 'math-preference-mwmathinspector-description', 'screenshot' => $wgExtensionAssetsPath . "/Math/betafeatures-icon-VisualEditor-formulae-$dir.svg", 'info-message' => 'math-preference-mwmathinspector-info-link', 'discussion-message' => 'math-preference-mwmathinspector-info-link', 'requirements' => array( 'betafeatures' => array( 'visualeditor-enable', ), ), ); } } /** * List of message keys for the various math output settings. * * @return array of strings */ private static function getMathNames() { global $wgUseMathJax, $wgUseLaTeXML; $names = array( MW_MATH_PNG => wfMessage( 'mw_math_png' )->escaped(), MW_MATH_SOURCE => wfMessage( 'mw_math_source' )->escaped(), ); if ( $wgUseMathJax ) { $names[MW_MATH_MATHJAX] = wfMessage( 'mw_math_mathjax' )->escaped(); } if ( $wgUseLaTeXML ) { $names[MW_MATH_LATEXML] = wfMessage( 'mw_math_latexml' )->escaped(); } return $names; } /** * MaintenanceRefreshLinksInit handler; optimize settings for refreshLinks batch job. * * @param Maintenance $maint * @return boolean hook return code */ static function onMaintenanceRefreshLinksInit( $maint ) { global $wgUser; # Don't generate TeX PNGs (the lack of a sensible current directory causes errors anyway) $wgUser->setOption( 'math', MW_MATH_SOURCE ); return true; } /** * LoadExtensionSchemaUpdates handler; set up math table on install/upgrade. * * @param $updater DatabaseUpdater * @throws MWException * @return bool */ static function onLoadExtensionSchemaUpdates( $updater = null ) { if ( is_null( $updater ) ) { throw new MWException( 'Math extension is only necessary in 1.18 or above' ); } $map = array( 'mysql' => 'math.sql', 'sqlite' => 'math.sql', 'postgres' => 'math.pg.sql', 'oracle' => 'math.oracle.sql', 'mssql' => 'math.mssql.sql', ); $type = $updater->getDB()->getType(); if ( isset( $map[$type] ) ) { $sql = dirname( __FILE__ ) . '/db/' . $map[$type]; $updater->addExtensionTable( 'math', $sql ); } else { throw new MWException( "Math extension does not currently support $type database." ); } return true; } /** * Add 'math' table to the list of tables that need to be copied to * temporary tables for parser tests to run. * * @param array $tables * @return bool */ static function onParserTestTables( &$tables ) { $tables[] = 'math'; return true; } /** * Links to the unit test files for the test cases. * * @param string $files * @return boolean (true) */ static function onRegisterUnitTests( &$files ) { $testDir = __DIR__ . '/tests/'; $files = array_merge( $files, glob( "$testDir/*Test.php" ) ); return true; } }