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| 1 | <?php |
| 2 | |
| 3 | use MediaWiki\Extension\Math\MathLaTeXML; |
| 4 | use MediaWiki\Extension\Math\MathRenderer; |
| 5 | use MediaWiki\Logger\LoggerFactory; |
| 6 | use MediaWiki\MediaWikiServices; |
| 7 | use MediaWiki\Revision\RevisionRecord; |
| 8 | use MediaWiki\Revision\SlotRecord; |
| 9 | use Wikimedia\Rdbms\DBConnRef; |
| 10 | |
| 11 | /** |
| 12 | * MediaWiki MathSearch extension |
| 13 | * |
| 14 | * (c) 2012 various MediaWiki contributors |
| 15 | * GPLv2 license; info in main package. |
| 16 | */ |
| 17 | class MathSearchHooks { |
| 18 | |
| 19 | private static $idGenerators = []; |
| 20 | |
| 21 | /** |
| 22 | * LoadExtensionSchemaUpdates handler; set up math table on install/upgrade. |
| 23 | * |
| 24 | * @param DatabaseUpdater|null $updater |
| 25 | * @return bool |
| 26 | */ |
| 27 | public static function onLoadExtensionSchemaUpdates( DatabaseUpdater $updater = null ) { |
| 28 | global $wgMathWmcServer; |
| 29 | $type = $updater->getDB()->getType(); |
| 30 | if ( $type == "mysql" ) { |
| 31 | $dir = __DIR__ . '/../db/'; |
| 32 | $updater->addExtensionTable( 'mathindex', $dir . 'mathindex.sql' ); |
| 33 | $updater->addExtensionTable( 'mathobservation', $dir . 'mathobservation.sql' ); |
| 34 | $updater->addExtensionTable( 'mathvarstat', $dir . 'mathvarstat.sql' ); |
| 35 | $updater->addExtensionTable( 'mathrevisionstat', $dir . 'mathrevisionstat.sql' ); |
| 36 | $updater->addExtensionTable( 'mathsemantics', $dir . 'mathsemantics.sql' ); |
| 37 | $updater->addExtensionTable( 'mathperformance', $dir . 'mathperformance.sql' ); |
| 38 | $updater->addExtensionTable( 'mathidentifier', $dir . 'mathidentifier.sql' ); |
| 39 | $updater->addExtensionTable( 'mathlog', $dir . 'mathlog.sql' ); |
| 40 | $updater->addExtensionTable( 'math_mlp', $dir . 'math_mlp.sql' ); |
| 41 | $updater->addExtensionTable( 'math_review_list', "{$dir}math_review_list.sql" ); |
| 42 | $updater->addExtensionTable( 'math_wbs_entity_map', "{$dir}math_wbs_entity_map.sql" ); |
| 43 | $updater->addExtensionTable( 'math_wbs_text_store', "{$dir}math_wbs_text_store.sql" ); |
| 44 | $updater->addExtensionTable( 'mathpagesimilarity', "{$dir}mathpagesimilarity.sql" ); |
| 45 | if ( $wgMathWmcServer ) { |
| 46 | $wmcDir = $dir . 'wmc/persistent/'; |
| 47 | $updater->addExtensionTable( 'math_wmc_ref', $wmcDir . "math_wmc_ref.sql" ); |
| 48 | $updater->addExtensionTable( 'math_wmc_runs', $wmcDir . "math_wmc_runs.sql" ); |
| 49 | $updater->addExtensionTable( 'math_wmc_results', $wmcDir . "math_wmc_results.sql" ); |
| 50 | $updater->addExtensionTable( 'math_wmc_assessed_formula', |
| 51 | $wmcDir . "math_wmc_assessed_formula.sql" ); |
| 52 | $updater->addExtensionTable( 'math_wmc_assessed_revision', |
| 53 | $wmcDir . "math_wmc_assessed_revision.sql" ); |
| 54 | |
| 55 | } |
| 56 | } else { |
| 57 | throw new Exception( "MathSearch extension does not currently support $type database." ); |
| 58 | } |
| 59 | return true; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Updates the formula index in the database |
| 64 | * |
| 65 | * @param int $revId Page-ID |
| 66 | * @param string $eid Equation-ID (get updated incrementally for every math element on the page) |
| 67 | * @param MathRenderer $renderer |
| 68 | * @param ?DBConnRef $dbr |
| 69 | */ |
| 70 | private static function updateIndex( int $revId, string $eid, MathRenderer $renderer, |
| 71 | ?DBConnRef $dbr = null ) { |
| 72 | if ( $revId > 0 && $eid ) { |
| 73 | try { |
| 74 | $inputHash = $renderer->getInputHash(); |
| 75 | $tex = $renderer->getTex(); |
| 76 | $mo = MathObject::cloneFromRenderer( $renderer ); |
| 77 | if ( !$mo->isInDatabase() ) { |
| 78 | $mo->writeToCache(); |
| 79 | } |
| 80 | $exists = ( $dbr ?? MediaWikiServices::getInstance()->getDBLoadBalancerFactory() |
| 81 | ->getReplicaDatabase() )->selectRow( 'mathindex', |
| 82 | [ 'mathindex_revision_id', 'mathindex_anchor', 'mathindex_inputhash' ], |
| 83 | [ |
| 84 | 'mathindex_revision_id' => $revId, |
| 85 | 'mathindex_anchor' => $eid, |
| 86 | 'mathindex_inputhash' => $inputHash |
| 87 | ] |
| 88 | ); |
| 89 | if ( $exists ) { |
| 90 | LoggerFactory::getInstance( |
| 91 | 'MathSearch' |
| 92 | )->warning( 'Index $' . $tex . '$ already in database.' ); |
| 93 | LoggerFactory::getInstance( |
| 94 | 'MathSearch' |
| 95 | )->warning( "$revId-$eid with hash " . bin2hex( $inputHash ) ); |
| 96 | } else { |
| 97 | self::writeMathIndex( $revId, $eid, $inputHash, $tex ); |
| 98 | } |
| 99 | } catch ( Exception $e ) { |
| 100 | LoggerFactory::getInstance( "MathSearch" )->error( 'Problem writing to math index!' |
| 101 | . ' You might want the rebuild the index by running:' |
| 102 | . '"php extensions/MathSearch/ReRenderMath.php". The error is' |
| 103 | . $e->getMessage() ); |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Changes the specified defaultID given as argument ID to |
| 110 | * either the manually assignedID from the MathTag or |
| 111 | * prefixes it with "math" to increase the probability of |
| 112 | * having a unique id that can be referenced via the anchor |
| 113 | * #math{$id}. |
| 114 | * @param string &$id |
| 115 | * @param MathRenderer $renderer |
| 116 | * @param int $revId |
| 117 | * @return bool|null true if an ID has been assigned manually, |
| 118 | * false if the automatic fallback math{$id} was used. |
| 119 | */ |
| 120 | public static function setMathId( &$id, MathRenderer $renderer, $revId ) { |
| 121 | if ( $revId > 0 ) { |
| 122 | if ( $renderer->getID() ) { |
| 123 | $id = $renderer->getID(); |
| 124 | return true; |
| 125 | } else { |
| 126 | if ( $id === null ) { |
| 127 | try { |
| 128 | $id = self::getRevIdGenerator( $revId )->guessIdFromContent( $renderer->getUserInputTex() ); |
| 129 | } catch ( Exception $e ) { |
| 130 | LoggerFactory::getInstance( "MathSearch" )->warning( "Error generating Math ID", [ $e ] ); |
| 131 | return false; |
| 132 | } |
| 133 | $renderer->setID( $id ); |
| 134 | return true; |
| 135 | } |
| 136 | return false; |
| 137 | } |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Callback function that is called after a formula was rendered |
| 143 | * @param Parser $parser |
| 144 | * @param MathRenderer $renderer |
| 145 | * @param string|null &$Result reference to the rendering result |
| 146 | * @return bool |
| 147 | */ |
| 148 | static function updateMathIndex( Parser $parser, MathRenderer $renderer, &$Result = null ) { |
| 149 | $revId = $parser->getRevisionId(); |
| 150 | // Only store something if a pageid was set. |
| 151 | if ( $revId <= 0 ) { |
| 152 | return true; |
| 153 | } |
| 154 | // Use manually assigned IDs whenever possible |
| 155 | // and fallback to automatic IDs otherwise. |
| 156 | $hasEid = self::setMathId( $eid, $renderer, $revId ); |
| 157 | if ( $eid === null ) { |
| 158 | return true; |
| 159 | } |
| 160 | if ( $hasEid === false ) { |
| 161 | $Result = |
| 162 | preg_replace( '/(class="mwe-math-mathml-(inline|display))/', "id=\"$eid\" \\1", |
| 163 | $Result ); |
| 164 | } |
| 165 | self::updateIndex( $revId, $eid, $renderer ); |
| 166 | |
| 167 | return true; |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Callback function that is called after a formula was rendered |
| 172 | * @param Parser $parser |
| 173 | * @param MathRenderer $renderer |
| 174 | * @param string|null &$Result reference to the rendering result |
| 175 | * @return bool |
| 176 | */ |
| 177 | static function addIdentifierDescription( |
| 178 | Parser $parser, MathRenderer $renderer, &$Result = null |
| 179 | ) { |
| 180 | $revId = $parser->getRevisionId(); |
| 181 | self::setMathId( $eid, $renderer, $revId ); |
| 182 | $mo = MathObject::cloneFromRenderer( $renderer ); |
| 183 | $mo->setRevisionID( $revId ); |
| 184 | $mo->setID( $eid ); |
| 185 | $Result = preg_replace_callback( "#<(mi|mo)( ([^>].*?))?>(.*?)</\\1>#u", |
| 186 | [ $mo, 'addIdentifierTitle' ], $Result ); |
| 187 | return true; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Callback function that is called after a formula was rendered |
| 192 | * @param Parser $parser |
| 193 | * @param MathRenderer $renderer |
| 194 | * @param string|null &$Result reference to the rendering result |
| 195 | * @return bool |
| 196 | */ |
| 197 | static function addLinkToFormulaInfoPage( |
| 198 | Parser $parser, MathRenderer $renderer, &$Result = null |
| 199 | ) { |
| 200 | global $wgMathSearchInfoPage; |
| 201 | $revId = $parser->getRevisionId(); |
| 202 | if ( $revId == 0 || self::setMathId( $eid, $renderer, $revId ) === false ) { |
| 203 | return true; |
| 204 | } |
| 205 | $url = SpecialPage::getTitleFor( $wgMathSearchInfoPage )->getLocalURL( [ |
| 206 | 'pid' => $revId, |
| 207 | 'eid' => $eid |
| 208 | ] ); |
| 209 | $Result = "<span><a href=\"$url\" id=\"$eid\" style=\"color:inherit;\">$Result</a></span>"; |
| 210 | return true; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Alternative Callback function that is called after a formula was rendered |
| 215 | * used for test corpus generation for NTCIR11 Math-2 |
| 216 | * You can enable this alternative hook via setting |
| 217 | * <code>$wgHooks['MathFormulaRendered'] = array( |
| 218 | * 'MathSearchHooks::onMathFormulaRenderedNoLink' |
| 219 | * );</code> |
| 220 | * in your local settings |
| 221 | * |
| 222 | * @param Parser $parser |
| 223 | * @param MathRenderer $renderer |
| 224 | * @param string|null &$Result |
| 225 | * @return bool |
| 226 | */ |
| 227 | static function onMathFormulaRenderedNoLink( |
| 228 | Parser $parser, MathRenderer $renderer, &$Result = null |
| 229 | ) { |
| 230 | $revId = $parser->getRevisionId(); |
| 231 | if ( !self::setMathId( $eid, $renderer, $revId ) ) { |
| 232 | return true; |
| 233 | } |
| 234 | if ( $revId > 0 ) { // Only store something if a pageid was set. |
| 235 | self::updateIndex( $revId, $eid, $renderer ); |
| 236 | } |
| 237 | if ( preg_match( '#<math(.*)?\sid="(?P<id>[\w\.]+)"#', $Result, $matches ) ) { |
| 238 | $rendererId = $matches['id']; |
| 239 | $Result = str_replace( $rendererId, $eid, $Result ); |
| 240 | } |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | static function generateMathAnchorString( $revId, $anchorID, $prefix = "#" ) { |
| 245 | $result = "{$prefix}math.$revId.$anchorID"; |
| 246 | MediaWikiServices::getInstance()->getHookContainer()->run( "MathSearchGenerateAnchorString", |
| 247 | [ $revId, $anchorID, $prefix, &$result ] ); |
| 248 | return $result; |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * @param int $oldID |
| 253 | * @param string $eid |
| 254 | * @param string $inputHash |
| 255 | * @param string $tex |
| 256 | */ |
| 257 | public static function writeMathIndex( $oldID, $eid, $inputHash, $tex ) { |
| 258 | LoggerFactory::getInstance( "MathSearch" )->warning( |
| 259 | "Store index for \$$tex\$ in database with id $eid for revision $oldID." ); |
| 260 | $dbw = MediaWikiServices::getInstance() |
| 261 | ->getConnectionProvider() |
| 262 | ->getPrimaryDatabase(); |
| 263 | $dbw->onTransactionCommitOrIdle( static function () use ( $oldID, $eid, $inputHash, $dbw ) { |
| 264 | $dbw->replace( 'mathindex', [ [ 'mathindex_revision_id', 'mathindex_anchor' ] ], [ |
| 265 | 'mathindex_revision_id' => $oldID, |
| 266 | 'mathindex_anchor' => $eid, |
| 267 | 'mathindex_inputhash' => $inputHash |
| 268 | ] ); |
| 269 | } ); |
| 270 | } |
| 271 | |
| 272 | /** |
| 273 | * Register the <mquery> tag with the Parser. |
| 274 | * |
| 275 | * @param Parser $parser instance of Parser |
| 276 | * @return bool true |
| 277 | */ |
| 278 | static function onParserFirstCallInit( $parser ) { |
| 279 | $parser->setHook( 'mquery', [ 'MathSearchHooks', 'mQueryTagHook' ] ); |
| 280 | LoggerFactory::getInstance( 'MathSearch' )->warning( 'mquery tag registered' ); |
| 281 | return true; |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * Callback function for the <mquery> parser hook. |
| 286 | * |
| 287 | * @param string $content the LaTeX+MWS query input |
| 288 | * @param array $attributes |
| 289 | * @param Parser $parser |
| 290 | * @return string|string[] |
| 291 | */ |
| 292 | static function mQueryTagHook( $content, $attributes, $parser ) { |
| 293 | global $wgMathDefaultLaTeXMLSetting; |
| 294 | if ( trim( $content ) === '' ) { // bug 8372 |
| 295 | return ''; |
| 296 | } |
| 297 | LoggerFactory::getInstance( 'MathSearch' )->debug( 'Render mquery tag.' ); |
| 298 | // TODO: Report %\n problem to LaTeXML upstream |
| 299 | $content = preg_replace( '/%\n/', '', $content ); |
| 300 | $renderer = new MathLaTeXML( $content ); |
| 301 | $mQuerySettings = $wgMathDefaultLaTeXMLSetting; |
| 302 | $mQuerySettings['preload'][] = 'mws.sty'; |
| 303 | $renderer->setLaTeXMLSettings( $mQuerySettings ); |
| 304 | $renderer->render(); |
| 305 | $renderedMath = $renderer->getHtmlOutput(); |
| 306 | $renderer->writeCache(); |
| 307 | |
| 308 | return [ $renderedMath, "markerType" => 'nowiki' ]; |
| 309 | } |
| 310 | |
| 311 | static function onArticleDeleteComplete( |
| 312 | $article, User $user, $reason, $id, $content, $logEntry |
| 313 | ) { |
| 314 | $revId = $article->getTitle()->getLatestRevID(); |
| 315 | $mathEngineBaseX = new MathEngineBaseX(); |
| 316 | if ( $mathEngineBaseX->update( "", [ $revId ] ) ) { |
| 317 | LoggerFactory::getInstance( 'MathSearch' )->warning( "Deletion of $revId was successful." ); |
| 318 | } else { |
| 319 | LoggerFactory::getInstance( 'MathSearch' )->warning( "Deletion of $revId failed." ); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | /** |
| 324 | * This occurs when an article is undeleted (restored). |
| 325 | * The formulae of the undeleted article are restored then in the index. |
| 326 | * @param Title $title Title corresponding to the article restored |
| 327 | * @param bool $create Whether the restoration caused the page to be created. |
| 328 | * @param string $comment Comment explaining the undeletion. |
| 329 | * @param int $oldPageId ID of page previously deleted. ID will be used for restored page. |
| 330 | * @param array $restoredPages Set of page IDs that have revisions restored for undelete. |
| 331 | * @return true |
| 332 | */ |
| 333 | public static function onArticleUndelete( |
| 334 | Title $title, $create, $comment, $oldPageId, $restoredPages |
| 335 | ) { |
| 336 | if ( MediaWikiServices::getInstance() |
| 337 | ->getRevisionLookup() |
| 338 | ->getRevisionByPageId( $oldPageId ) |
| 339 | ->getSlot( SlotRecord::MAIN, RevisionRecord::RAW ) |
| 340 | ->getModel() !== CONTENT_MODEL_WIKITEXT |
| 341 | ) { |
| 342 | // Skip pages that do not contain wikitext |
| 343 | return true; |
| 344 | } |
| 345 | $revId = $title->getLatestRevID(); |
| 346 | $harvest = self::getMwsHarvest( $revId ); |
| 347 | $mathEngineBaseX = new MathEngineBaseX(); |
| 348 | if ( $mathEngineBaseX->update( $harvest, [] ) ) { |
| 349 | LoggerFactory::getInstance( 'MathSearch' )->warning( "Restoring of $revId was successful." ); |
| 350 | } else { |
| 351 | LoggerFactory::getInstance( 'MathSearch' )->warning( "Restoring of $revId failed." ); |
| 352 | } |
| 353 | return true; |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Occurs after the save page request has been processed. |
| 358 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/PageSaveComplete |
| 359 | * |
| 360 | * @param WikiPage $wikiPage |
| 361 | * @param MediaWiki\User\UserIdentity $user |
| 362 | * @param string $summary |
| 363 | * @param int $flags |
| 364 | * @param MediaWiki\Revision\RevisionRecord $revisionRecord |
| 365 | * |
| 366 | * @return bool |
| 367 | */ |
| 368 | public static function onPageSaveComplete( |
| 369 | WikiPage $wikiPage, $user, $summary, $flags, $revisionRecord |
| 370 | ) { |
| 371 | if ( $revisionRecord |
| 372 | ->getSlot( SlotRecord::MAIN, RevisionRecord::RAW ) |
| 373 | ->getModel() !== CONTENT_MODEL_WIKITEXT |
| 374 | ) { |
| 375 | // Skip pages that do not contain wikitext |
| 376 | return true; |
| 377 | } |
| 378 | |
| 379 | $revId = $revisionRecord->getId(); |
| 380 | $harvest = self::getMwsHarvest( $revId ); |
| 381 | $previousRevisionRecord = MediaWikiServices::getInstance() |
| 382 | ->getRevisionLookup() |
| 383 | ->getPreviousRevision( $revisionRecord ); |
| 384 | $res = false; |
| 385 | $baseXUpdater = new MathEngineBaseX(); |
| 386 | try { |
| 387 | if ( $previousRevisionRecord != null ) { |
| 388 | $prevRevId = $previousRevisionRecord->getId(); |
| 389 | # delete the entries previous revision. |
| 390 | $res = $baseXUpdater->update( $harvest, [ $prevRevId ] ); |
| 391 | } else { |
| 392 | # just create a new entry in index. |
| 393 | $res = $baseXUpdater->update( $harvest, [] ); |
| 394 | $prevRevId = -1; |
| 395 | } |
| 396 | } catch ( Exception $e ) { |
| 397 | LoggerFactory::getInstance( 'MathSearch' ) |
| 398 | ->warning( 'Harvest update failed: {exception}', |
| 399 | [ 'exception' => $e->getMessage() ] ); |
| 400 | } |
| 401 | if ( $res ) { |
| 402 | LoggerFactory::getInstance( |
| 403 | 'MathSearch' |
| 404 | )->warning( "Update for $revId (was $prevRevId) successful." ); |
| 405 | } else { |
| 406 | LoggerFactory::getInstance( |
| 407 | 'MathSearch' |
| 408 | )->warning( "Update for $revId (was $prevRevId) failed." ); |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | /** |
| 413 | * Occurs after the save page request has been processed. |
| 414 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/PageContentSaveComplete |
| 415 | * @deprecated |
| 416 | * PageContentSaveComplete: legacy hook, deprecated in favor of PageSaveComplete |
| 417 | * |
| 418 | * @param WikiPage $wikiPage |
| 419 | * @param User $user |
| 420 | * @param Content $content |
| 421 | * @param string $summary |
| 422 | * @param bool $isMinor |
| 423 | * @param bool $isWatch |
| 424 | * @param string $section Deprecated |
| 425 | * @param int $flags |
| 426 | * @param Revision|null $revision |
| 427 | * @param Status $status |
| 428 | * @param int $baseRevId |
| 429 | * |
| 430 | * @return bool |
| 431 | */ |
| 432 | public static function onPageContentSaveComplete( |
| 433 | WikiPage $wikiPage, $user, $content, $summary, $isMinor, |
| 434 | $isWatch, $section, $flags, $revision, $status, $baseRevId |
| 435 | ) { |
| 436 | // TODO: Update to JOB |
| 437 | if ( $revision == null ) { |
| 438 | LoggerFactory::getInstance( |
| 439 | 'MathSearch' |
| 440 | )->warning( "Empty update for {$wikiPage->getTitle()->getFullText()}." ); |
| 441 | return true; |
| 442 | } |
| 443 | $revisionRecord = $revision->getRevisionRecord(); |
| 444 | self::onPageSaveComplete( $wikiPage, $user, $summary, $flags, $revisionRecord ); |
| 445 | |
| 446 | return true; |
| 447 | } |
| 448 | |
| 449 | /** |
| 450 | * Enable latexml rendering mode as option by default |
| 451 | */ |
| 452 | public static function registerExtension() { |
| 453 | global $wgMathValidModes, $wgHooks; |
| 454 | if ( !in_array( 'latexml', $wgMathValidModes ) ) { |
| 455 | $wgMathValidModes[] = 'latexml'; |
| 456 | } |
| 457 | if ( class_exists( MediaWiki\HookContainer\HookContainer::class ) ) { |
| 458 | // MW 1.35+ |
| 459 | $wgHooks['PageSaveComplete'][] = 'MathSearchHooks::onPageSaveComplete'; |
| 460 | } else { |
| 461 | $wgHooks['PageContentSaveComplete'][] = 'MathSearchHooks::onPageContentSaveComplete'; |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | /** |
| 466 | * @param int $revId |
| 467 | * @return MathIdGenerator |
| 468 | */ |
| 469 | private static function getRevIdGenerator( $revId ) { |
| 470 | if ( !array_key_exists( $revId, self::$idGenerators ) ) { |
| 471 | self::$idGenerators[$revId] = MathIdGenerator::newFromRevisionId( $revId ); |
| 472 | } |
| 473 | return self::$idGenerators[$revId]; |
| 474 | } |
| 475 | |
| 476 | /** |
| 477 | * @param int|null $revId |
| 478 | * @return string |
| 479 | */ |
| 480 | protected static function getMwsHarvest( ?int $revId ): string { |
| 481 | $idGenerator = MathIdGenerator::newFromRevisionId( $revId ); |
| 482 | $mathTags = $idGenerator->getMathTags(); |
| 483 | $harvest = ""; |
| 484 | try { |
| 485 | if ( $mathTags ) { |
| 486 | $dw = new MwsDumpWriter(); |
| 487 | foreach ( $mathTags as $tag ) { |
| 488 | $id = null; |
| 489 | $tagContent = $tag[MathIdGenerator::CONTENT_POS]; |
| 490 | $attributes = $tag[MathIdGenerator::ATTRIB_POS]; |
| 491 | $renderer = MathRenderer::getRenderer( $tagContent, $attributes, 'latexml' ); |
| 492 | $renderer->render(); |
| 493 | self::setMathId( $id, $renderer, $revId ); |
| 494 | $dw->addMwsExpression( $renderer->getMathml(), $revId, $id ); |
| 495 | } |
| 496 | $harvest = $dw->getOutput(); |
| 497 | } |
| 498 | } catch ( Exception $e ) { |
| 499 | LoggerFactory::getInstance( 'MathSearch' ) |
| 500 | ->warning( 'Harvest strinc can not be generated: {exception}', |
| 501 | [ 'exception' => $e->getMessage() ] ); |
| 502 | } |
| 503 | return $harvest; |
| 504 | } |
| 505 | } |