restbaseInterface = new MathRestbaseInterface( $tex, $displayStyle ); } /** * @see https://phabricator.wikimedia.org/T119300 * @param stdClass $e * @param MathRenderer $errorRenderer * @return string */ public function errorObjectToHtml( stdClass $e, $errorRenderer = null ) { if ( $errorRenderer === null ) { $errorRenderer = new MathSource( $this->inputTeX ); } if ( isset( $e->error->message ) ){ if ( $e->error->message === 'Illegal TeX function' ) { return $errorRenderer->getError( 'math_unknown_function', $e->error->found ); } elseif ( preg_match( '/Math extension/', $e->error->message ) ) { $names = MathHooks::getMathNames(); $mode = $names['mathml']; try { $host = $this->restbaseInterface->getUrl( '' ); } catch ( Exception $ignore ) { $host = 'invalid'; } $msg = $e->error->message; return $errorRenderer->getError( 'math_invalidresponse', $mode, $host, $msg ); } return $errorRenderer->getError( 'math_syntax_error' ); } return $errorRenderer->getError( 'math_unknown_error' ); } /** * @return boolean */ public function isValid() { return $this->restbaseInterface->checkTeX(); } /** * Some TeX checking programs may return * a modified tex string after having checked it. * You can get the altered tex string with this method * @return string A valid Tex string */ public function getValidTex() { return $this->restbaseInterface->getCheckedTex(); } /** * Returns the string of the last error. * @return string */ public function getError() { $err = $this->restbaseInterface->getError(); if ( $err === null ){ return null; } return $this->errorObjectToHtml( $err ); } }