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| 1 | <?php |
| 2 | |
| 3 | namespace MediaWiki\Extension\Quiz; |
| 4 | |
| 5 | use MediaWiki\Html\TemplateParser; |
| 6 | use MediaWiki\Parser\Parser; |
| 7 | use MediaWiki\Request\WebRequest; |
| 8 | use MediaWiki\Xml\Xml; |
| 9 | use UnexpectedValueException; |
| 10 | |
| 11 | class Question { |
| 12 | |
| 13 | /** @var WebRequest */ |
| 14 | private $mRequest; |
| 15 | |
| 16 | /** @var int */ |
| 17 | private $mQuestionId; |
| 18 | |
| 19 | /** @var bool */ |
| 20 | private $mBeingCorrected; |
| 21 | |
| 22 | /** @var bool */ |
| 23 | private $mCaseSensitive; |
| 24 | |
| 25 | /** @var bool */ |
| 26 | private $shuffleAnswers; |
| 27 | |
| 28 | /** @var Parser */ |
| 29 | private $mParser; |
| 30 | |
| 31 | /** @var string */ |
| 32 | private $mState; |
| 33 | |
| 34 | /** @var string */ |
| 35 | private $mProposalPattern = '`^([+-]) ?(.*)`'; |
| 36 | |
| 37 | /** @var string */ |
| 38 | private $mCorrectionPattern = '`^\|\|(.*)`'; |
| 39 | |
| 40 | /** @var string */ |
| 41 | private $mCategoryPattern = '`^\|(\n|[^\|].*\n)`'; |
| 42 | |
| 43 | /** @var string */ |
| 44 | private $mTextFieldPattern = '`\{ ([^\}]*?)(_([\d]*) ?| )\}`'; |
| 45 | |
| 46 | /** @var string */ |
| 47 | public $mType = 'multipleChoice'; |
| 48 | |
| 49 | /** @var int */ |
| 50 | public $mCoef = 1; |
| 51 | |
| 52 | /** |
| 53 | * @param bool $beingCorrected Identifier for quiz being corrected. |
| 54 | * @param bool $caseSensitive Identifier for case sensitive inputs. |
| 55 | * @param int $questionId the Identifier of the question used to generate input names. |
| 56 | * @param bool $shufAns Identifier if answers are supposed to be shuffled. |
| 57 | * @param Parser $parser Parser the wikitext parser. |
| 58 | */ |
| 59 | public function __construct( $beingCorrected, $caseSensitive, $questionId, $shufAns, $parser ) { |
| 60 | global $wgRequest; |
| 61 | $this->mRequest = $wgRequest; |
| 62 | $this->mQuestionId = $questionId; |
| 63 | $this->mBeingCorrected = $beingCorrected; |
| 64 | $this->mCaseSensitive = $caseSensitive; |
| 65 | $this->shuffleAnswers = $shufAns; |
| 66 | $this->mParser = $parser; |
| 67 | $this->mState = ( $beingCorrected ) ? 'NA' : ''; |
| 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Mutator of the question state |
| 72 | * |
| 73 | * @param string $pState |
| 74 | */ |
| 75 | private function setState( $pState ) { |
| 76 | if ( $pState == 'error' || ( $pState == 'incorrect' && $this->mState != 'error' ) || |
| 77 | ( $pState == 'correct' && ( $this->mState == 'NA' || $this->mState == 'na_correct' ) ) || |
| 78 | ( $pState == 'na_incorrect' && ( $this->mState == 'NA' || $this->mState == 'na_correct' ) ) || |
| 79 | ( $pState == 'na_correct' && ( $this->mState == 'NA' ) ) || |
| 80 | ( $pState == 'new_NA' && ( $this->mState == 'NA' || $this->mState == 'correct' ) ) |
| 81 | ) { |
| 82 | $this->mState = $pState; |
| 83 | } |
| 84 | |
| 85 | // Special cases |
| 86 | if ( ( $pState == 'na_incorrect' && $this->mState == 'correct' ) || |
| 87 | ( $pState == 'correct' && $this->mState == 'na_incorrect' ) |
| 88 | ) { |
| 89 | $this->mState = 'incorrect'; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Accessor of the question state. |
| 95 | * |
| 96 | * @return string |
| 97 | */ |
| 98 | public function getState() { |
| 99 | if ( $this->mState == 'na_correct' ) { |
| 100 | return 'correct'; |
| 101 | } elseif ( $this->mState == 'na_incorrect' || $this->mState == 'new_NA' ) { |
| 102 | return 'NA'; |
| 103 | } else { |
| 104 | return $this->mState; |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * Convert the question's header into HTML. |
| 110 | * |
| 111 | * @param string $input the quiz header in quiz syntax. |
| 112 | * @return string |
| 113 | */ |
| 114 | public function parseHeader( $input ) { |
| 115 | $parametersPattern = '`\n\|([^\|].*)\s*$`'; |
| 116 | $input = preg_replace_callback( |
| 117 | $parametersPattern, |
| 118 | [ $this, 'parseParameters' ], |
| 119 | $input |
| 120 | ); |
| 121 | $splitHeaderPattern = '`\n\|\|`'; |
| 122 | $unparsedHeader = preg_split( $splitHeaderPattern, $input ); |
| 123 | $output = $this->mParser->recursiveTagParse( trim( $unparsedHeader[0] ) ); |
| 124 | if ( array_key_exists( 1, $unparsedHeader ) && $this->mBeingCorrected ) { |
| 125 | $output .= "\n"; |
| 126 | $output .= '<table class="correction"><tr>'; |
| 127 | $output .= '<td>→</td><td>'; |
| 128 | $output .= $this->mParser->recursiveTagParse( trim( $unparsedHeader[1] ) ); |
| 129 | $output .= '</td>'; |
| 130 | $output .= '</tr></table>'; |
| 131 | } |
| 132 | return $output; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Determine the question's parameters. |
| 137 | * |
| 138 | * @param array $matches elements matching $parametersPattern |
| 139 | * $matches[0] are the potential question parameters. |
| 140 | */ |
| 141 | private function parseParameters( $matches ) { |
| 142 | $typePattern = '`t[yi]p[eo]?="(.*?)"`'; |
| 143 | if ( preg_match( $typePattern, $matches[1], $type ) ) { |
| 144 | // List of all object type code and the correspondant question type. |
| 145 | switch ( $type[1] ) { |
| 146 | case '{}': |
| 147 | $this->mType = 'textField'; |
| 148 | break; |
| 149 | case '()': |
| 150 | $this->mType = 'singleChoice'; |
| 151 | break; |
| 152 | case '[]': |
| 153 | $this->mType = 'multipleChoice'; |
| 154 | break; |
| 155 | } |
| 156 | } |
| 157 | $coefPattern = '`[ck]oef="(.*?)"`'; |
| 158 | if ( preg_match( $coefPattern, $matches[1], $coef ) && |
| 159 | is_numeric( $coef[1] ) && $coef[1] > 0 |
| 160 | ) { |
| 161 | $this->mCoef = (int)$coef[1]; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Check order obtained from request |
| 167 | * |
| 168 | * @param string $order The order obtained from request |
| 169 | * @param int $proposalIndex Contains the index of last Proposal |
| 170 | * |
| 171 | * @return int |
| 172 | */ |
| 173 | private function checkRequestOrder( $order, $proposalIndex ) { |
| 174 | $tempOrder = explode( ' ', $order ); |
| 175 | |
| 176 | // Check the number of order matches number of proposals |
| 177 | if ( count( $tempOrder ) !== $proposalIndex + 1 ) { |
| 178 | return 1; |
| 179 | } |
| 180 | |
| 181 | // Check if each value is numeric and is within 0 to proposalIndex rannge |
| 182 | foreach ( $tempOrder as $orderVal ) { |
| 183 | if ( !is_numeric( $orderVal ) ) { |
| 184 | return 1; |
| 185 | } |
| 186 | if ( $orderVal < 0 || $orderVal > $proposalIndex ) { |
| 187 | return 1; |
| 188 | } |
| 189 | } |
| 190 | '@phan-var int[] $tempOrder'; |
| 191 | |
| 192 | // Check for repeated values |
| 193 | $orderChecker = array_fill( 0, $proposalIndex + 1, 0 ); |
| 194 | foreach ( $tempOrder as $orderVal ) { |
| 195 | if ( $orderChecker[ $orderVal ] !== 1 ) { |
| 196 | $orderChecker[ $orderVal ] = 1; |
| 197 | } else { |
| 198 | return 1; |
| 199 | } |
| 200 | } |
| 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Transmit a single choice object to the basic type parser. |
| 206 | * |
| 207 | * @param string $input A question object in quiz syntax. |
| 208 | * |
| 209 | * @return string A question object in HTML. |
| 210 | */ |
| 211 | public function singleChoiceParseObject( $input ) { |
| 212 | return $this->basicTypeParseObject( $input, 'radio' ); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Transmit a multiple choice object to the basic type parser. |
| 217 | * |
| 218 | * @param string $input A question object in quiz syntax. |
| 219 | * |
| 220 | * @return string A question object in HTML. |
| 221 | */ |
| 222 | public function multipleChoiceParseObject( $input ) { |
| 223 | return $this->basicTypeParseObject( $input, 'checkbox' ); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Convert a basic type object from quiz syntax to HTML. |
| 228 | * |
| 229 | * @param string $input A question object in quiz syntax |
| 230 | * @param string $inputType |
| 231 | * |
| 232 | * @return string A question object in HTML. |
| 233 | */ |
| 234 | private function basicTypeParseObject( $input, $inputType ) { |
| 235 | $output = preg_match( $this->mCategoryPattern, $input, $matches ) |
| 236 | ? $this->parseCategories( $matches[1] ) |
| 237 | : ''; |
| 238 | $raws = preg_split( '`\n`s', $input, -1, PREG_SPLIT_NO_EMPTY ); |
| 239 | // Parameters used in some special cases. |
| 240 | $expectOn = 0; |
| 241 | $attemptChecker = 0; |
| 242 | $lines = []; |
| 243 | $proposalIndex = -1; |
| 244 | foreach ( $raws as $proposalId => $raw ) { |
| 245 | $text = null; |
| 246 | $colSpan = ''; |
| 247 | $rawClass = ''; |
| 248 | $signesOutput = ''; |
| 249 | if ( preg_match( $this->mProposalPattern, $raw, $matches ) ) { |
| 250 | $proposalIndex++; |
| 251 | $rawClass = 'proposal'; |
| 252 | // Insulate the proposal signes. |
| 253 | $text = array_pop( $matches ); |
| 254 | array_shift( $matches ); |
| 255 | // Determine a type ID, according to the questionType and the number of signes. |
| 256 | $typeId = substr( $this->mType, 0, 1 ); |
| 257 | $typeId .= array_key_exists( 1, $matches ) ? 'c' : 'n'; |
| 258 | foreach ( $matches as $signId => $sign ) { |
| 259 | $attribs = []; |
| 260 | $attribs['type'] = $inputType; |
| 261 | $attribs['class'] = 'check'; |
| 262 | // Determine the input's name and value. |
| 263 | switch ( $typeId ) { |
| 264 | case 'mn': |
| 265 | $name = 'q' . $this->mQuestionId . 'p' . $proposalId; |
| 266 | $value = 'p' . $proposalId; |
| 267 | break; |
| 268 | case 'sn': |
| 269 | $name = 'q' . $this->mQuestionId; |
| 270 | $value = 'p' . $proposalId; |
| 271 | break; |
| 272 | case 'mc': |
| 273 | $name = 'q' . $this->mQuestionId . 'p' . $proposalId . 's' . $signId; |
| 274 | $value = 's' . $signId; |
| 275 | break; |
| 276 | case 'sc': |
| 277 | $name = 'q' . $this->mQuestionId . 'p' . $proposalId; |
| 278 | $value = 's' . $signId; |
| 279 | break; |
| 280 | default: |
| 281 | throw new UnexpectedValueException( 'unknown typeId' ); |
| 282 | } |
| 283 | // Determine if the input had to be checked. |
| 284 | if ( $this->mBeingCorrected && $this->mRequest->getVal( $name ) == $value ) { |
| 285 | $attribs['checked'] = 'checked'; |
| 286 | } |
| 287 | // Determine if the proposal has been attempted |
| 288 | $attemptChecker = ( $this->mBeingCorrected && $this->mRequest->getVal( $name ) === $value ) |
| 289 | ? 1 |
| 290 | : 0; |
| 291 | // Determine the color of the cell and modify the state of the question. |
| 292 | switch ( $sign ) { |
| 293 | case '+': |
| 294 | $expectOn++; |
| 295 | // A single choice object with many correct proposal is a syntax error. |
| 296 | if ( $this->mType == 'singleChoice' && $expectOn > 1 ) { |
| 297 | $this->setState( 'error' ); |
| 298 | $attribs['class'] .= ' error'; |
| 299 | $attribs['title'] = wfMessage( 'quiz_legend_error' )->text(); |
| 300 | $attribs['disabled'] = 'disabled'; |
| 301 | } |
| 302 | if ( $this->mBeingCorrected ) { |
| 303 | if ( array_key_exists( 'checked', $attribs ) ) { |
| 304 | $this->setState( 'correct' ); |
| 305 | $attribs['class'] .= ' correct'; |
| 306 | $attribs['title'] = wfMessage( 'quiz_legend_correct' )->text(); |
| 307 | } else { |
| 308 | $this->setState( 'na_incorrect' ); |
| 309 | $attribs['class'] .= ' incorrect'; |
| 310 | $attribs['title'] = wfMessage( 'quiz_legend_incorrect' )->text(); |
| 311 | } |
| 312 | } |
| 313 | break; |
| 314 | case '-': |
| 315 | if ( $this->mBeingCorrected ) { |
| 316 | if ( array_key_exists( 'checked', $attribs ) ) { |
| 317 | $this->setState( 'incorrect' ); |
| 318 | $attribs['class'] .= ' incorrect'; |
| 319 | $attribs['title'] = wfMessage( 'quiz_legend_incorrect' )->text(); |
| 320 | } else { |
| 321 | $this->setState( 'na_correct' ); |
| 322 | } |
| 323 | } |
| 324 | break; |
| 325 | default: |
| 326 | $this->setState( 'error' ); |
| 327 | $attribs['class'] .= ' error'; |
| 328 | $attribs['title'] = wfMessage( 'quiz_legend_error' )->text(); |
| 329 | $attribs['disabled'] = 'disabled'; |
| 330 | break; |
| 331 | } |
| 332 | $signesOutput .= '<td class="sign">'; |
| 333 | $signesOutput .= Xml::input( $name, false, $value, $attribs ); |
| 334 | $signesOutput .= '</td>'; |
| 335 | } |
| 336 | if ( $typeId == 'sc' ) { |
| 337 | // A single choice object with no correct proposal is a syntax error. |
| 338 | if ( $expectOn == 0 ) { |
| 339 | $this->setState( 'error' ); |
| 340 | } |
| 341 | $expectOn = 0; |
| 342 | } |
| 343 | // If the proposal text is empty, the question has a syntax error. |
| 344 | if ( trim( $text ) == '' ) { |
| 345 | $text = '???'; |
| 346 | $this->setState( 'error' ); |
| 347 | } |
| 348 | } elseif ( preg_match( $this->mCorrectionPattern, $raw, $matches ) && |
| 349 | $this->mBeingCorrected |
| 350 | ) { |
| 351 | $rawClass = $attemptChecker ? 'correction selected' : 'correction unselected'; |
| 352 | $text = array_pop( $matches ); |
| 353 | $signesOutput = '<td>→</td>'; |
| 354 | // Hacks to avoid counting the number of signes. |
| 355 | $colSpan = ' colspan="13"'; |
| 356 | } |
| 357 | if ( $text !== null ) { |
| 358 | $lineOutput = '<tr class="' . $rawClass . '">' . "\n"; |
| 359 | $lineOutput .= $signesOutput; |
| 360 | $lineOutput .= '<td' . $colSpan . '>'; |
| 361 | $lineOutput .= $this->mParser->recursiveTagParse( $text ); |
| 362 | $lineOutput .= '</td>'; |
| 363 | $lineOutput .= '</tr>' . "\n"; |
| 364 | if ( $rawClass === 'correction selected' || $rawClass === 'correction unselected' ) { |
| 365 | if ( $proposalIndex === -1 ) { |
| 366 | // Add to output directly |
| 367 | $output .= $lineOutput; |
| 368 | } else { |
| 369 | // Add feedback to previous proposal |
| 370 | $lines[ $proposalIndex ] .= $lineOutput; |
| 371 | } |
| 372 | } else { |
| 373 | // Add lineOutput for proposal |
| 374 | $lines[ $proposalIndex ] = $lineOutput; |
| 375 | } |
| 376 | } |
| 377 | } |
| 378 | // A single choice object with no correct proposal is a syntax error. |
| 379 | if ( isset( $typeId ) && $typeId == 'sn' && $expectOn == 0 ) { |
| 380 | $this->setState( 'error' ); |
| 381 | } |
| 382 | // Finding order of shuffled proposals |
| 383 | $order = ''; |
| 384 | if ( $this->shuffleAnswers ) { |
| 385 | if ( $this->mBeingCorrected ) { |
| 386 | $order = $this->mRequest->getVal( $this->mQuestionId . '|order', '' ); |
| 387 | |
| 388 | // Check order values |
| 389 | $orderInvalid = $this->checkRequestOrder( $order, $proposalIndex ); |
| 390 | |
| 391 | // If order is invalid then order is reset |
| 392 | if ( $orderInvalid ) { |
| 393 | $order = ''; |
| 394 | for ( $i = 0; $i <= $proposalIndex; $i++ ) { |
| 395 | $order .= ' ' . $i; |
| 396 | } |
| 397 | } |
| 398 | } else { |
| 399 | $orderArray = range( 0, $proposalIndex ); |
| 400 | shuffle( $orderArray ); |
| 401 | $order = implode( ' ', $orderArray ); |
| 402 | } |
| 403 | } else { |
| 404 | for ( $i = 0; $i <= $proposalIndex; $i++ ) { |
| 405 | $order .= ' ' . $i; |
| 406 | } |
| 407 | } |
| 408 | // @phan-suppress-next-line PhanTypeMismatchArgumentNullableInternal |
| 409 | $order = ltrim( $order ); |
| 410 | $tempOrder = explode( ' ', $order ); |
| 411 | for ( $i = 0; $i <= $proposalIndex; ++$i ) { |
| 412 | $output .= $lines[ $tempOrder[ $i ] ]; |
| 413 | } |
| 414 | $orderName = $this->mQuestionId . '|order'; |
| 415 | $orderValue = $order; |
| 416 | $attribs['hidden'] = 'hidden'; |
| 417 | $attribs['checked'] = 'checked'; |
| 418 | |
| 419 | return $this->shuffleAnswers |
| 420 | ? Xml::input( $orderName, false, $orderValue, $attribs ) . $output |
| 421 | : $output; |
| 422 | } |
| 423 | |
| 424 | /** |
| 425 | * Determine the object's parameters and convert a list of categories from |
| 426 | * quiz syntax to HTML. |
| 427 | * |
| 428 | * @param string $input pipe-separated list of the various categories. |
| 429 | * @return string |
| 430 | */ |
| 431 | private function parseCategories( $input ) { |
| 432 | $linkPattern = '`(\[\[.*?\]\](*SKIP)(*FAIL)|\|)|({{.*?}}(*SKIP)(*FAIL)|\|)`'; |
| 433 | $categories = preg_split( $linkPattern, $input ); |
| 434 | // Less than two categories is a syntax error. |
| 435 | if ( !array_key_exists( 1, $categories ) ) { |
| 436 | $categories[1] = '???'; |
| 437 | $this->setState( 'error' ); |
| 438 | } |
| 439 | $output = '<tr class="categories">' . "\n"; |
| 440 | $this->mProposalPattern = '`^'; |
| 441 | foreach ( $categories as $key => $category ) { |
| 442 | // If a category name is empty, the question has a syntax error. |
| 443 | if ( trim( $category ) == '' ) { |
| 444 | $category = '???'; |
| 445 | $this->setState( 'error' ); |
| 446 | } |
| 447 | $output .= '<th>' . $this->mParser->recursiveTagParse( $category ) . '</th>'; |
| 448 | if ( $key == 0 ) { |
| 449 | $this->mProposalPattern .= '([+-]) ?'; |
| 450 | } else { |
| 451 | $this->mProposalPattern .= '([+-])? ?'; |
| 452 | } |
| 453 | } |
| 454 | $output .= '</tr>' . "\n"; |
| 455 | $this->mProposalPattern .= '(.*)`'; |
| 456 | return $output; |
| 457 | } |
| 458 | |
| 459 | /** |
| 460 | * Convert a "text field" object to HTML. |
| 461 | * |
| 462 | * @param string $input A question object in quiz syntax. |
| 463 | * |
| 464 | * @return string A question object in HTML. |
| 465 | */ |
| 466 | public function textFieldParseObject( $input ) { |
| 467 | $raws = preg_split( '`\n`s', $input, -1, PREG_SPLIT_NO_EMPTY ); |
| 468 | global $wqInputId; |
| 469 | $wqInputId = $this->mQuestionId * 100; |
| 470 | $output = ''; |
| 471 | foreach ( $raws as $raw ) { |
| 472 | if ( preg_match( $this->mCorrectionPattern, $raw, $matches ) ) { |
| 473 | if ( $this->mBeingCorrected ) { |
| 474 | $rawClass = 'correction'; |
| 475 | $text = '<td>→ ' . $this->mParser->recursiveTagParse( $matches[1] ) . |
| 476 | '</td>'; |
| 477 | } else { |
| 478 | continue; |
| 479 | } |
| 480 | } elseif ( trim( $raw ) != '' ) { |
| 481 | $rawClass = 'proposal'; |
| 482 | $text = $this->mParser->recursiveTagParse( $raw ); |
| 483 | $text = preg_replace_callback( |
| 484 | $this->mTextFieldPattern, |
| 485 | [ $this, 'parseTextField' ], |
| 486 | $text |
| 487 | ); |
| 488 | $text = '<td class="input">' . $text . '</td>'; |
| 489 | } else { |
| 490 | continue; |
| 491 | } |
| 492 | $output .= '<tr class="' . $rawClass . '">' . "\n"; |
| 493 | $output .= $text . "\n"; |
| 494 | $output .= '</tr>' . "\n"; |
| 495 | } |
| 496 | return $output; |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * @param array $input |
| 501 | * @return string |
| 502 | */ |
| 503 | private function parseTextField( $input ) { |
| 504 | global $wqInputId; |
| 505 | $wqInputId++; |
| 506 | $title = ''; |
| 507 | $state = ''; |
| 508 | $spanClass = ''; |
| 509 | $size = ''; |
| 510 | $maxlength = ''; |
| 511 | $class = ''; |
| 512 | $value = ''; |
| 513 | $disabled = ''; |
| 514 | $big = ''; |
| 515 | $poss = ''; |
| 516 | $bigDisplay = ''; |
| 517 | // determine size and maxlength of the input. |
| 518 | if ( array_key_exists( 3, $input ) ) { |
| 519 | $size = $input[3]; |
| 520 | if ( $size < 3 ) { |
| 521 | $size = 1; |
| 522 | } elseif ( $size < 12 ) { |
| 523 | $size -= 2; |
| 524 | } else { |
| 525 | $size--; |
| 526 | } |
| 527 | $maxlength = $input[3]; |
| 528 | } |
| 529 | $templateParser = new TemplateParser( __DIR__ . '/../templates' ); |
| 530 | // Syntax error if there is no input text. |
| 531 | if ( $input[1] === "" ) { |
| 532 | $value = 'value="???"'; |
| 533 | $state = 'error'; |
| 534 | } else { |
| 535 | // For hiding down arrow |
| 536 | $bigDisplay = 'display: none'; |
| 537 | if ( $this->mBeingCorrected ) { |
| 538 | // @phan-suppress-next-line PhanTypeMismatchArgument |
| 539 | $value = trim( $this->mRequest->getVal( $wqInputId, '' ) ); |
| 540 | $state = 'NA'; |
| 541 | $title = wfMessage( 'quiz_legend_unanswered' )->escaped(); |
| 542 | } |
| 543 | $class = 'numbers'; |
| 544 | $poss = ' '; |
| 545 | foreach ( |
| 546 | preg_split( '` *\| *`', trim( $input[1] ), -1, PREG_SPLIT_NO_EMPTY ) as $possibility |
| 547 | ) { |
| 548 | if ( $state == '' || $state == 'NA' || $state == 'incorrect' ) { |
| 549 | if ( preg_match( |
| 550 | '`^(-?\d+\.?\d*)(-(-?\d+\.?\d*)| (\d+\.?\d*)(%))?$`', |
| 551 | str_replace( ',', '.', $possibility ), |
| 552 | $matches ) |
| 553 | ) { |
| 554 | if ( array_key_exists( 5, $matches ) ) { |
| 555 | $strlen = $size = $maxlength = ''; |
| 556 | } elseif ( array_key_exists( 3, $matches ) ) { |
| 557 | $strlen = strlen( $matches[1] ) > strlen( $matches[3] ) |
| 558 | ? strlen( $matches[1] ) |
| 559 | : strlen( $matches[3] ); |
| 560 | } else { |
| 561 | $strlen = strlen( $matches[1] ); |
| 562 | } |
| 563 | if ( $this->mBeingCorrected && $value !== "" ) { |
| 564 | $value = str_replace( ',', '.', $value ); |
| 565 | if ( is_numeric( $value ) && ( |
| 566 | ( |
| 567 | array_key_exists( 5, $matches ) |
| 568 | && $value >= |
| 569 | ( (int)$matches[1] - ( (int)$matches[1] * (int)$matches[4] ) / 100 ) |
| 570 | && $value <= |
| 571 | ( (int)$matches[1] + ( (int)$matches[1] * (int)$matches[4] ) / 100 ) |
| 572 | ) || ( |
| 573 | array_key_exists( 3, $matches ) && |
| 574 | $value >= $matches[1] && $value <= $matches[3] |
| 575 | ) || $value == $possibility ) |
| 576 | ) { |
| 577 | $state = 'correct'; |
| 578 | $title = wfMessage( 'quiz_legend_correct' )->escaped(); |
| 579 | } else { |
| 580 | $state = 'incorrect'; |
| 581 | $title = wfMessage( 'quiz_legend_incorrect' )->escaped(); |
| 582 | } |
| 583 | } |
| 584 | } else { |
| 585 | $strlen = preg_match( '` \(i\)$`', $possibility ) |
| 586 | ? mb_strlen( $possibility ) - 4 |
| 587 | : mb_strlen( $possibility ); |
| 588 | $class = 'words'; |
| 589 | if ( $this->mBeingCorrected && $value !== "" ) { |
| 590 | if ( $value == $possibility || |
| 591 | ( preg_match( |
| 592 | '`^' . preg_quote( $value, '`' ) . ' \(i\)$`i', $possibility |
| 593 | ) ) || |
| 594 | ( !$this->mCaseSensitive && preg_match( |
| 595 | '`^' . preg_quote( $value, '`' ) . '$`i', $possibility |
| 596 | ) ) |
| 597 | ) { |
| 598 | $state = 'correct'; |
| 599 | $title = wfMessage( 'quiz_legend_correct' )->escaped(); |
| 600 | } else { |
| 601 | $state = 'incorrect'; |
| 602 | $title = wfMessage( 'quiz_legend_incorrect' )->escaped(); |
| 603 | } |
| 604 | } |
| 605 | } |
| 606 | if ( array_key_exists( 3, $input ) && $strlen > $input[3] ) { |
| 607 | // The textfield is too short for the answer |
| 608 | $state = 'error'; |
| 609 | $value = '<_' . $possibility . '_>'; |
| 610 | } |
| 611 | } |
| 612 | if ( $this->mBeingCorrected ) { |
| 613 | $strlen = preg_match( '` \(i\)$`', $possibility ) |
| 614 | ? mb_strlen( $possibility ) - 4 |
| 615 | : mb_strlen( $possibility ); |
| 616 | $possibility = mb_substr( $possibility, 0, $strlen ); |
| 617 | $poss .= $possibility . '<br />'; |
| 618 | } |
| 619 | } |
| 620 | if ( $this->mBeingCorrected ) { |
| 621 | $big = '▼'; |
| 622 | $bigDisplay = ' '; |
| 623 | } |
| 624 | } |
| 625 | if ( $state == 'error' || $this->mBeingCorrected ) { |
| 626 | $spanClass .= " border $state"; |
| 627 | $this->setState( $value === "" ? 'new_NA' : $state ); |
| 628 | if ( $state == 'error' ) { |
| 629 | $size = ''; |
| 630 | $maxlength = ''; |
| 631 | $disabled = 'disabled'; |
| 632 | $title = wfMessage( 'quiz_legend_error' )->escaped(); |
| 633 | } |
| 634 | } |
| 635 | $name = $wqInputId; |
| 636 | return $templateParser->processTemplate( |
| 637 | 'Answer', |
| 638 | [ |
| 639 | 'title' => $title, |
| 640 | 'class' => $class, |
| 641 | 'spanClass' => trim( $spanClass ), |
| 642 | 'value' => $value, |
| 643 | 'correction' => $this->mBeingCorrected, |
| 644 | 'possibility' => $poss, |
| 645 | 'disabled' => $disabled, |
| 646 | 'size' => $size, |
| 647 | 'big' => $big, |
| 648 | 'maxlength' => $maxlength, |
| 649 | 'name' => $name, |
| 650 | 'bigDisplay' => $bigDisplay, |
| 651 | ] |
| 652 | ); |
| 653 | } |
| 654 | } |