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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Math\InputCheck; |
| 4 | |
| 5 | use MediaWiki\Extension\Math\MathConfig; |
| 6 | use MediaWiki\MediaWikiServices; |
| 7 | use MediaWiki\Message\Message; |
| 8 | use stdClass; |
| 9 | |
| 10 | /** |
| 11 | * MediaWiki math extension |
| 12 | * |
| 13 | * @copyright 2002-2014 Tomasz Wegrzanowski, Brion Vibber, Moritz Schubotz, |
| 14 | * and other MediaWiki contributors |
| 15 | * @license GPL-2.0-or-later |
| 16 | * @author Moritz Schubotz |
| 17 | */ |
| 18 | abstract class BaseChecker { |
| 19 | protected string $inputTeX; |
| 20 | protected ?string $validTeX = null; |
| 21 | /** @var bool */ |
| 22 | protected $isValid = false; |
| 23 | protected bool $purge = false; |
| 24 | |
| 25 | /** |
| 26 | * @param string $tex the TeX InputString to be checked |
| 27 | * @param bool $purge if true, the cache will be purged |
| 28 | */ |
| 29 | public function __construct( $tex = '', bool $purge = false ) { |
| 30 | $this->inputTeX = $tex; |
| 31 | $this->purge = $purge; |
| 32 | $this->isValid = false; |
| 33 | } |
| 34 | |
| 35 | /** |
| 36 | * Returns true if the TeX input String is valid |
| 37 | * @return bool |
| 38 | */ |
| 39 | public function isValid() { |
| 40 | return $this->isValid; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Returns the string of the last error. |
| 45 | * @return ?Message |
| 46 | */ |
| 47 | abstract public function getError(): ?Message; |
| 48 | |
| 49 | /** |
| 50 | * Some TeX checking programs may return |
| 51 | * a modified tex string after having checked it. |
| 52 | * You can get the altered tex string with this method |
| 53 | * @return ?string A valid Tex string |
| 54 | */ |
| 55 | public function getValidTex(): ?string { |
| 56 | return $this->validTeX; |
| 57 | } |
| 58 | |
| 59 | public function setPurge( bool $purge ) { |
| 60 | $this->purge = $purge; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * @see https://phabricator.wikimedia.org/T119300 |
| 65 | * @param stdClass $e |
| 66 | * @param string $host |
| 67 | * @return Message |
| 68 | */ |
| 69 | protected function errorObjectToMessage( stdClass $e, $host = 'invalid' ): Message { |
| 70 | if ( isset( $e->error->message ) ) { |
| 71 | if ( $e->error->message === 'Illegal TeX function' ) { |
| 72 | return Message::newFromKey( 'math_unknown_function', $e->error->found ); |
| 73 | } elseif ( preg_match( '/Math extension/', $e->error->message ) ) { |
| 74 | // TODO: inject once checker is refactored more |
| 75 | $mode = MediaWikiServices::getInstance() |
| 76 | ->get( 'Math.Config' ) |
| 77 | ->getRenderingModeName( MathConfig::MODE_MATHML ); |
| 78 | $msg = $e->error->message; |
| 79 | return Message::newFromKey( 'math_invalidresponse', $mode, $host, $msg ); |
| 80 | } |
| 81 | |
| 82 | return Message::newFromKey( 'math_syntax_error' ); |
| 83 | } |
| 84 | |
| 85 | return Message::newFromKey( 'math_unknown_error' ); |
| 86 | } |
| 87 | } |