| @@ -1,1995 +1,1995 @@ | ||
| 1 | -<?php | |
| 2 | -if (!defined('ABSPATH')) exit; // Exit if accessed directly | |
| 3 | -# | |
| 4 | -# | |
| 5 | -# Parsedown | |
| 6 | -# http://parsedown.org | |
| 7 | -# | |
| 8 | -# (c) Emanuil Rusev | |
| 9 | -# http://erusev.com | |
| 10 | -# | |
| 11 | -# For the full license information, view the LICENSE file that was distributed | |
| 12 | -# with this source code. | |
| 13 | -# | |
| 14 | -# | |
| 15 | -if(!class_exists('Qcld_Parsedown')){ | |
| 16 | - class Qcld_Parsedown | |
| 17 | - { | |
| 18 | - # ~ | |
| 19 | - | |
| 20 | - const version = '1.8.0-beta-7'; | |
| 21 | - | |
| 22 | - # ~ | |
| 23 | - | |
| 24 | - function text($text) | |
| 25 | - { | |
| 26 | - $Elements = $this->textElements($text); | |
| 27 | - | |
| 28 | - # convert to markup | |
| 29 | - $markup = $this->elements($Elements); | |
| 30 | - | |
| 31 | - # trim line breaks | |
| 32 | - $markup = trim($markup, "\n"); | |
| 33 | - | |
| 34 | - return $markup; | |
| 35 | - } | |
| 36 | - | |
| 37 | - protected function textElements($text) | |
| 38 | - { | |
| 39 | - # make sure no definitions are set | |
| 40 | - $this->DefinitionData = array(); | |
| 41 | - | |
| 42 | - # standardize line breaks | |
| 43 | - $text = str_replace(array("\r\n", "\r"), "\n", $text); | |
| 44 | - | |
| 45 | - # remove surrounding line breaks | |
| 46 | - $text = trim($text, "\n"); | |
| 47 | - | |
| 48 | - # split text into lines | |
| 49 | - $lines = explode("\n", $text); | |
| 50 | - | |
| 51 | - # iterate through lines to identify blocks | |
| 52 | - return $this->linesElements($lines); | |
| 53 | - } | |
| 54 | - | |
| 55 | - # | |
| 56 | - # Setters | |
| 57 | - # | |
| 58 | - | |
| 59 | - function setBreaksEnabled($breaksEnabled) | |
| 60 | - { | |
| 61 | - $this->breaksEnabled = $breaksEnabled; | |
| 62 | - | |
| 63 | - return $this; | |
| 64 | - } | |
| 65 | - | |
| 66 | - protected $breaksEnabled; | |
| 67 | - | |
| 68 | - function setMarkupEscaped($markupEscaped) | |
| 69 | - { | |
| 70 | - $this->markupEscaped = $markupEscaped; | |
| 71 | - | |
| 72 | - return $this; | |
| 73 | - } | |
| 74 | - | |
| 75 | - protected $markupEscaped; | |
| 76 | - | |
| 77 | - function setUrlsLinked($urlsLinked) | |
| 78 | - { | |
| 79 | - $this->urlsLinked = $urlsLinked; | |
| 80 | - | |
| 81 | - return $this; | |
| 82 | - } | |
| 83 | - | |
| 84 | - protected $urlsLinked = true; | |
| 85 | - | |
| 86 | - function setSafeMode($safeMode) | |
| 87 | - { | |
| 88 | - $this->safeMode = (bool) $safeMode; | |
| 89 | - | |
| 90 | - return $this; | |
| 91 | - } | |
| 92 | - | |
| 93 | - protected $safeMode; | |
| 94 | - | |
| 95 | - function setStrictMode($strictMode) | |
| 96 | - { | |
| 97 | - $this->strictMode = (bool) $strictMode; | |
| 98 | - | |
| 99 | - return $this; | |
| 100 | - } | |
| 101 | - | |
| 102 | - protected $strictMode; | |
| 103 | - | |
| 104 | - protected $safeLinksWhitelist = array( | |
| 105 | - 'http://', | |
| 106 | - 'https://', | |
| 107 | - 'ftp://', | |
| 108 | - 'ftps://', | |
| 109 | - 'mailto:', | |
| 110 | - 'tel:', | |
| 111 | - 'data:image/png;base64,', | |
| 112 | - 'data:image/gif;base64,', | |
| 113 | - 'data:image/jpeg;base64,', | |
| 114 | - 'irc:', | |
| 115 | - 'ircs:', | |
| 116 | - 'git:', | |
| 117 | - 'ssh:', | |
| 118 | - 'news:', | |
| 119 | - 'steam:', | |
| 120 | - ); | |
| 121 | - | |
| 122 | - # | |
| 123 | - # Lines | |
| 124 | - # | |
| 125 | - | |
| 126 | - protected $BlockTypes = array( | |
| 127 | - '#' => array('Header'), | |
| 128 | - '*' => array('Rule', 'List'), | |
| 129 | - '+' => array('List'), | |
| 130 | - '-' => array('SetextHeader', 'Table', 'Rule', 'List'), | |
| 131 | - '0' => array('List'), | |
| 132 | - '1' => array('List'), | |
| 133 | - '2' => array('List'), | |
| 134 | - '3' => array('List'), | |
| 135 | - '4' => array('List'), | |
| 136 | - '5' => array('List'), | |
| 137 | - '6' => array('List'), | |
| 138 | - '7' => array('List'), | |
| 139 | - '8' => array('List'), | |
| 140 | - '9' => array('List'), | |
| 141 | - ':' => array('Table'), | |
| 142 | - '<' => array('Comment', 'Markup'), | |
| 143 | - '=' => array('SetextHeader'), | |
| 144 | - '>' => array('Quote'), | |
| 145 | - '[' => array('Reference'), | |
| 146 | - '_' => array('Rule'), | |
| 147 | - '`' => array('FencedCode'), | |
| 148 | - '|' => array('Table'), | |
| 149 | - '~' => array('FencedCode'), | |
| 150 | - ); | |
| 151 | - | |
| 152 | - # ~ | |
| 153 | - | |
| 154 | - protected $unmarkedBlockTypes = array( | |
| 155 | - 'Code', | |
| 156 | - ); | |
| 157 | - | |
| 158 | - # | |
| 159 | - # Blocks | |
| 160 | - # | |
| 161 | - | |
| 162 | - protected function lines(array $lines) | |
| 163 | - { | |
| 164 | - return $this->elements($this->linesElements($lines)); | |
| 165 | - } | |
| 166 | - | |
| 167 | - protected function linesElements(array $lines) | |
| 168 | - { | |
| 169 | - $Elements = array(); | |
| 170 | - $CurrentBlock = null; | |
| 171 | - | |
| 172 | - foreach ($lines as $line) | |
| 173 | - { | |
| 174 | - if (chop($line) === '') | |
| 175 | - { | |
| 176 | - if (isset($CurrentBlock)) | |
| 177 | - { | |
| 178 | - $CurrentBlock['interrupted'] = (isset($CurrentBlock['interrupted']) | |
| 179 | - ? $CurrentBlock['interrupted'] + 1 : 1 | |
| 180 | - ); | |
| 181 | - } | |
| 182 | - | |
| 183 | - continue; | |
| 184 | - } | |
| 185 | - | |
| 186 | - while (($beforeTab = strstr($line, "\t", true)) !== false) | |
| 187 | - { | |
| 188 | - $shortage = 4 - mb_strlen($beforeTab, 'utf-8') % 4; | |
| 189 | - | |
| 190 | - $line = $beforeTab | |
| 191 | - . str_repeat(' ', $shortage) | |
| 192 | - . substr($line, strlen($beforeTab) + 1) | |
| 193 | - ; | |
| 194 | - } | |
| 195 | - | |
| 196 | - $indent = strspn($line, ' '); | |
| 197 | - | |
| 198 | - $text = $indent > 0 ? substr($line, $indent) : $line; | |
| 199 | - | |
| 200 | - # ~ | |
| 201 | - | |
| 202 | - $Line = array('body' => $line, 'indent' => $indent, 'text' => $text); | |
| 203 | - | |
| 204 | - # ~ | |
| 205 | - | |
| 206 | - if (isset($CurrentBlock['continuable'])) | |
| 207 | - { | |
| 208 | - $methodName = 'block' . $CurrentBlock['type'] . 'Continue'; | |
| 209 | - $Block = $this->$methodName($Line, $CurrentBlock); | |
| 210 | - | |
| 211 | - if (isset($Block)) | |
| 212 | - { | |
| 213 | - $CurrentBlock = $Block; | |
| 214 | - | |
| 215 | - continue; | |
| 216 | - } | |
| 217 | - else | |
| 218 | - { | |
| 219 | - if ($this->isBlockCompletable($CurrentBlock['type'])) | |
| 220 | - { | |
| 221 | - $methodName = 'block' . $CurrentBlock['type'] . 'Complete'; | |
| 222 | - $CurrentBlock = $this->$methodName($CurrentBlock); | |
| 223 | - } | |
| 224 | - } | |
| 225 | - } | |
| 226 | - | |
| 227 | - # ~ | |
| 228 | - | |
| 229 | - $marker = $text[0]; | |
| 230 | - | |
| 231 | - # ~ | |
| 232 | - | |
| 233 | - $blockTypes = $this->unmarkedBlockTypes; | |
| 234 | - | |
| 235 | - if (isset($this->BlockTypes[$marker])) | |
| 236 | - { | |
| 237 | - foreach ($this->BlockTypes[$marker] as $blockType) | |
| 238 | - { | |
| 239 | - $blockTypes []= $blockType; | |
| 240 | - } | |
| 241 | - } | |
| 242 | - | |
| 243 | - # | |
| 244 | - # ~ | |
| 245 | - | |
| 246 | - foreach ($blockTypes as $blockType) | |
| 247 | - { | |
| 248 | - $Block = $this->{"block$blockType"}($Line, $CurrentBlock); | |
| 249 | - | |
| 250 | - if (isset($Block)) | |
| 251 | - { | |
| 252 | - $Block['type'] = $blockType; | |
| 253 | - | |
| 254 | - if ( ! isset($Block['identified'])) | |
| 255 | - { | |
| 256 | - if (isset($CurrentBlock)) | |
| 257 | - { | |
| 258 | - $Elements[] = $this->extractElement($CurrentBlock); | |
| 259 | - } | |
| 260 | - | |
| 261 | - $Block['identified'] = true; | |
| 262 | - } | |
| 263 | - | |
| 264 | - if ($this->isBlockContinuable($blockType)) | |
| 265 | - { | |
| 266 | - $Block['continuable'] = true; | |
| 267 | - } | |
| 268 | - | |
| 269 | - $CurrentBlock = $Block; | |
| 270 | - | |
| 271 | - continue 2; | |
| 272 | - } | |
| 273 | - } | |
| 274 | - | |
| 275 | - # ~ | |
| 276 | - | |
| 277 | - if (isset($CurrentBlock) and $CurrentBlock['type'] === 'Paragraph') | |
| 278 | - { | |
| 279 | - $Block = $this->paragraphContinue($Line, $CurrentBlock); | |
| 280 | - } | |
| 281 | - | |
| 282 | - if (isset($Block)) | |
| 283 | - { | |
| 284 | - $CurrentBlock = $Block; | |
| 285 | - } | |
| 286 | - else | |
| 287 | - { | |
| 288 | - if (isset($CurrentBlock)) | |
| 289 | - { | |
| 290 | - $Elements[] = $this->extractElement($CurrentBlock); | |
| 291 | - } | |
| 292 | - | |
| 293 | - $CurrentBlock = $this->paragraph($Line); | |
| 294 | - | |
| 295 | - $CurrentBlock['identified'] = true; | |
| 296 | - } | |
| 297 | - } | |
| 298 | - | |
| 299 | - # ~ | |
| 300 | - | |
| 301 | - if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type'])) | |
| 302 | - { | |
| 303 | - $methodName = 'block' . $CurrentBlock['type'] . 'Complete'; | |
| 304 | - $CurrentBlock = $this->$methodName($CurrentBlock); | |
| 305 | - } | |
| 306 | - | |
| 307 | - # ~ | |
| 308 | - | |
| 309 | - if (isset($CurrentBlock)) | |
| 310 | - { | |
| 311 | - $Elements[] = $this->extractElement($CurrentBlock); | |
| 312 | - } | |
| 313 | - | |
| 314 | - # ~ | |
| 315 | - | |
| 316 | - return $Elements; | |
| 317 | - } | |
| 318 | - | |
| 319 | - protected function extractElement(array $Component) | |
| 320 | - { | |
| 321 | - if ( ! isset($Component['element'])) | |
| 322 | - { | |
| 323 | - if (isset($Component['markup'])) | |
| 324 | - { | |
| 325 | - $Component['element'] = array('rawHtml' => $Component['markup']); | |
| 326 | - } | |
| 327 | - elseif (isset($Component['hidden'])) | |
| 328 | - { | |
| 329 | - $Component['element'] = array(); | |
| 330 | - } | |
| 331 | - } | |
| 332 | - | |
| 333 | - return $Component['element']; | |
| 334 | - } | |
| 335 | - | |
| 336 | - protected function isBlockContinuable($Type) | |
| 337 | - { | |
| 338 | - return method_exists($this, 'block' . $Type . 'Continue'); | |
| 339 | - } | |
| 340 | - | |
| 341 | - protected function isBlockCompletable($Type) | |
| 342 | - { | |
| 343 | - return method_exists($this, 'block' . $Type . 'Complete'); | |
| 344 | - } | |
| 345 | - | |
| 346 | - # | |
| 347 | - # Code | |
| 348 | - | |
| 349 | - protected function blockCode($Line, $Block = null) | |
| 350 | - { | |
| 351 | - if (isset($Block) and $Block['type'] === 'Paragraph' and ! isset($Block['interrupted'])) | |
| 352 | - { | |
| 353 | - return; | |
| 354 | - } | |
| 355 | - | |
| 356 | - if ($Line['indent'] >= 4) | |
| 357 | - { | |
| 358 | - $text = substr($Line['body'], 4); | |
| 359 | - | |
| 360 | - $Block = array( | |
| 361 | - 'element' => array( | |
| 362 | - 'name' => 'pre', | |
| 363 | - 'element' => array( | |
| 364 | - 'name' => 'code', | |
| 365 | - 'text' => $text, | |
| 366 | - ), | |
| 367 | - ), | |
| 368 | - ); | |
| 369 | - | |
| 370 | - return $Block; | |
| 371 | - } | |
| 372 | - } | |
| 373 | - | |
| 374 | - protected function blockCodeContinue($Line, $Block) | |
| 375 | - { | |
| 376 | - if ($Line['indent'] >= 4) | |
| 377 | - { | |
| 378 | - if (isset($Block['interrupted'])) | |
| 379 | - { | |
| 380 | - $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']); | |
| 381 | - | |
| 382 | - unset($Block['interrupted']); | |
| 383 | - } | |
| 384 | - | |
| 385 | - $Block['element']['element']['text'] .= "\n"; | |
| 386 | - | |
| 387 | - $text = substr($Line['body'], 4); | |
| 388 | - | |
| 389 | - $Block['element']['element']['text'] .= $text; | |
| 390 | - | |
| 391 | - return $Block; | |
| 392 | - } | |
| 393 | - } | |
| 394 | - | |
| 395 | - protected function blockCodeComplete($Block) | |
| 396 | - { | |
| 397 | - return $Block; | |
| 398 | - } | |
| 399 | - | |
| 400 | - # | |
| 401 | - # Comment | |
| 402 | - | |
| 403 | - protected function blockComment($Line) | |
| 404 | - { | |
| 405 | - if ($this->markupEscaped or $this->safeMode) | |
| 406 | - { | |
| 407 | - return; | |
| 408 | - } | |
| 409 | - | |
| 410 | - if (strpos($Line['text'], '<!--') === 0) | |
| 411 | - { | |
| 412 | - $Block = array( | |
| 413 | - 'element' => array( | |
| 414 | - 'rawHtml' => $Line['body'], | |
| 415 | - 'autobreak' => true, | |
| 416 | - ), | |
| 417 | - ); | |
| 418 | - | |
| 419 | - if (strpos($Line['text'], '-->') !== false) | |
| 420 | - { | |
| 421 | - $Block['closed'] = true; | |
| 422 | - } | |
| 423 | - | |
| 424 | - return $Block; | |
| 425 | - } | |
| 426 | - } | |
| 427 | - | |
| 428 | - protected function blockCommentContinue($Line, array $Block) | |
| 429 | - { | |
| 430 | - if (isset($Block['closed'])) | |
| 431 | - { | |
| 432 | - return; | |
| 433 | - } | |
| 434 | - | |
| 435 | - $Block['element']['rawHtml'] .= "\n" . $Line['body']; | |
| 436 | - | |
| 437 | - if (strpos($Line['text'], '-->') !== false) | |
| 438 | - { | |
| 439 | - $Block['closed'] = true; | |
| 440 | - } | |
| 441 | - | |
| 442 | - return $Block; | |
| 443 | - } | |
| 444 | - | |
| 445 | - # | |
| 446 | - # Fenced Code | |
| 447 | - | |
| 448 | - protected function blockFencedCode($Line) | |
| 449 | - { | |
| 450 | - $marker = $Line['text'][0]; | |
| 451 | - | |
| 452 | - $openerLength = strspn($Line['text'], $marker); | |
| 453 | - | |
| 454 | - if ($openerLength < 3) | |
| 455 | - { | |
| 456 | - return; | |
| 457 | - } | |
| 458 | - | |
| 459 | - $infostring = trim(substr($Line['text'], $openerLength), "\t "); | |
| 460 | - | |
| 461 | - if (strpos($infostring, '`') !== false) | |
| 462 | - { | |
| 463 | - return; | |
| 464 | - } | |
| 465 | - | |
| 466 | - $Element = array( | |
| 467 | - 'name' => 'code', | |
| 468 | - 'text' => '', | |
| 469 | - ); | |
| 470 | - | |
| 471 | - if ($infostring !== '') | |
| 472 | - { | |
| 473 | - /** | |
| 474 | - * https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes | |
| 475 | - * Every HTML element may have a class attribute specified. | |
| 476 | - * The attribute, if specified, must have a value that is a set | |
| 477 | - * of space-separated tokens representing the various classes | |
| 478 | - * that the element belongs to. | |
| 479 | - * [...] | |
| 480 | - * The space characters, for the purposes of this specification, | |
| 481 | - * are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab), | |
| 482 | - * U+000A LINE FEED (LF), U+000C FORM FEED (FF), and | |
| 483 | - * U+000D CARRIAGE RETURN (CR). | |
| 484 | - */ | |
| 485 | - $language = substr($infostring, 0, strcspn($infostring, " \t\n\f\r")); | |
| 486 | - | |
| 487 | - $Element['attributes'] = array('class' => "language-$language"); | |
| 488 | - } | |
| 489 | - | |
| 490 | - $Block = array( | |
| 491 | - 'char' => $marker, | |
| 492 | - 'openerLength' => $openerLength, | |
| 493 | - 'element' => array( | |
| 494 | - 'name' => 'pre', | |
| 495 | - 'element' => $Element, | |
| 496 | - ), | |
| 497 | - ); | |
| 498 | - | |
| 499 | - return $Block; | |
| 500 | - } | |
| 501 | - | |
| 502 | - protected function blockFencedCodeContinue($Line, $Block) | |
| 503 | - { | |
| 504 | - if (isset($Block['complete'])) | |
| 505 | - { | |
| 506 | - return; | |
| 507 | - } | |
| 508 | - | |
| 509 | - if (isset($Block['interrupted'])) | |
| 510 | - { | |
| 511 | - $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']); | |
| 512 | - | |
| 513 | - unset($Block['interrupted']); | |
| 514 | - } | |
| 515 | - | |
| 516 | - if (($len = strspn($Line['text'], $Block['char'])) >= $Block['openerLength'] | |
| 517 | - and chop(substr($Line['text'], $len), ' ') === '' | |
| 518 | - ) { | |
| 519 | - $Block['element']['element']['text'] = substr($Block['element']['element']['text'], 1); | |
| 520 | - | |
| 521 | - $Block['complete'] = true; | |
| 522 | - | |
| 523 | - return $Block; | |
| 524 | - } | |
| 525 | - | |
| 526 | - $Block['element']['element']['text'] .= "\n" . $Line['body']; | |
| 527 | - | |
| 528 | - return $Block; | |
| 529 | - } | |
| 530 | - | |
| 531 | - protected function blockFencedCodeComplete($Block) | |
| 532 | - { | |
| 533 | - return $Block; | |
| 534 | - } | |
| 535 | - | |
| 536 | - # | |
| 537 | - # Header | |
| 538 | - | |
| 539 | - protected function blockHeader($Line) | |
| 540 | - { | |
| 541 | - $level = strspn($Line['text'], '#'); | |
| 542 | - | |
| 543 | - if ($level > 6) | |
| 544 | - { | |
| 545 | - return; | |
| 546 | - } | |
| 547 | - | |
| 548 | - $text = trim($Line['text'], '#'); | |
| 549 | - | |
| 550 | - if ($this->strictMode and isset($text[0]) and $text[0] !== ' ') | |
| 551 | - { | |
| 552 | - return; | |
| 553 | - } | |
| 554 | - | |
| 555 | - $text = trim($text, ' '); | |
| 556 | - | |
| 557 | - $Block = array( | |
| 558 | - 'element' => array( | |
| 559 | - 'name' => 'h' . $level, | |
| 560 | - 'handler' => array( | |
| 561 | - 'function' => 'lineElements', | |
| 562 | - 'argument' => $text, | |
| 563 | - 'destination' => 'elements', | |
| 564 | - ) | |
| 565 | - ), | |
| 566 | - ); | |
| 567 | - | |
| 568 | - return $Block; | |
| 569 | - } | |
| 570 | - | |
| 571 | - # | |
| 572 | - # List | |
| 573 | - | |
| 574 | - protected function blockList($Line, ?array $CurrentBlock = null) | |
| 575 | - { | |
| 576 | - list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}+[.\)]'); | |
| 577 | - | |
| 578 | - if (preg_match('/^('.$pattern.'([ ]++|$))(.*+)/', $Line['text'], $matches)) | |
| 579 | - { | |
| 580 | - $contentIndent = strlen($matches[2]); | |
| 581 | - | |
| 582 | - if ($contentIndent >= 5) | |
| 583 | - { | |
| 584 | - $contentIndent -= 1; | |
| 585 | - $matches[1] = substr($matches[1], 0, -$contentIndent); | |
| 586 | - $matches[3] = str_repeat(' ', $contentIndent) . $matches[3]; | |
| 587 | - } | |
| 588 | - elseif ($contentIndent === 0) | |
| 589 | - { | |
| 590 | - $matches[1] .= ' '; | |
| 591 | - } | |
| 592 | - | |
| 593 | - $markerWithoutWhitespace = strstr($matches[1], ' ', true); | |
| 594 | - | |
| 595 | - $Block = array( | |
| 596 | - 'indent' => $Line['indent'], | |
| 597 | - 'pattern' => $pattern, | |
| 598 | - 'data' => array( | |
| 599 | - 'type' => $name, | |
| 600 | - 'marker' => $matches[1], | |
| 601 | - 'markerType' => ($name === 'ul' ? $markerWithoutWhitespace : substr($markerWithoutWhitespace, -1)), | |
| 602 | - ), | |
| 603 | - 'element' => array( | |
| 604 | - 'name' => $name, | |
| 605 | - 'elements' => array(), | |
| 606 | - ), | |
| 607 | - ); | |
| 608 | - $Block['data']['markerTypeRegex'] = preg_quote($Block['data']['markerType'], '/'); | |
| 609 | - | |
| 610 | - if ($name === 'ol') | |
| 611 | - { | |
| 612 | - $listStart = ltrim(strstr($matches[1], $Block['data']['markerType'], true), '0') ?: '0'; | |
| 613 | - | |
| 614 | - if ($listStart !== '1') | |
| 615 | - { | |
| 616 | - if ( | |
| 617 | - isset($CurrentBlock) | |
| 618 | - and $CurrentBlock['type'] === 'Paragraph' | |
| 619 | - and ! isset($CurrentBlock['interrupted']) | |
| 620 | - ) { | |
| 621 | - return; | |
| 622 | - } | |
| 623 | - | |
| 624 | - $Block['element']['attributes'] = array('start' => $listStart); | |
| 625 | - } | |
| 626 | - } | |
| 627 | - | |
| 628 | - $Block['li'] = array( | |
| 629 | - 'name' => 'li', | |
| 630 | - 'handler' => array( | |
| 631 | - 'function' => 'li', | |
| 632 | - 'argument' => !empty($matches[3]) ? array($matches[3]) : array(), | |
| 633 | - 'destination' => 'elements' | |
| 634 | - ) | |
| 635 | - ); | |
| 636 | - | |
| 637 | - $Block['element']['elements'] []= & $Block['li']; | |
| 638 | - | |
| 639 | - return $Block; | |
| 640 | - } | |
| 641 | - } | |
| 642 | - | |
| 643 | - protected function blockListContinue($Line, array $Block) | |
| 644 | - { | |
| 645 | - if (isset($Block['interrupted']) and empty($Block['li']['handler']['argument'])) | |
| 646 | - { | |
| 647 | - return null; | |
| 648 | - } | |
| 649 | - | |
| 650 | - $requiredIndent = ($Block['indent'] + strlen($Block['data']['marker'])); | |
| 651 | - | |
| 652 | - if ($Line['indent'] < $requiredIndent | |
| 653 | - and ( | |
| 654 | - ( | |
| 655 | - $Block['data']['type'] === 'ol' | |
| 656 | - and preg_match('/^[0-9]++'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches) | |
| 657 | - ) or ( | |
| 658 | - $Block['data']['type'] === 'ul' | |
| 659 | - and preg_match('/^'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches) | |
| 660 | - ) | |
| 661 | - ) | |
| 662 | - ) { | |
| 663 | - if (isset($Block['interrupted'])) | |
| 664 | - { | |
| 665 | - $Block['li']['handler']['argument'] []= ''; | |
| 666 | - | |
| 667 | - $Block['loose'] = true; | |
| 668 | - | |
| 669 | - unset($Block['interrupted']); | |
| 670 | - } | |
| 671 | - | |
| 672 | - unset($Block['li']); | |
| 673 | - | |
| 674 | - $text = isset($matches[1]) ? $matches[1] : ''; | |
| 675 | - | |
| 676 | - $Block['indent'] = $Line['indent']; | |
| 677 | - | |
| 678 | - $Block['li'] = array( | |
| 679 | - 'name' => 'li', | |
| 680 | - 'handler' => array( | |
| 681 | - 'function' => 'li', | |
| 682 | - 'argument' => array($text), | |
| 683 | - 'destination' => 'elements' | |
| 684 | - ) | |
| 685 | - ); | |
| 686 | - | |
| 687 | - $Block['element']['elements'] []= & $Block['li']; | |
| 688 | - | |
| 689 | - return $Block; | |
| 690 | - } | |
| 691 | - elseif ($Line['indent'] < $requiredIndent and $this->blockList($Line)) | |
| 692 | - { | |
| 693 | - return null; | |
| 694 | - } | |
| 695 | - | |
| 696 | - if ($Line['text'][0] === '[' and $this->blockReference($Line)) | |
| 697 | - { | |
| 698 | - return $Block; | |
| 699 | - } | |
| 700 | - | |
| 701 | - if ($Line['indent'] >= $requiredIndent) | |
| 702 | - { | |
| 703 | - if (isset($Block['interrupted'])) | |
| 704 | - { | |
| 705 | - $Block['li']['handler']['argument'] []= ''; | |
| 706 | - | |
| 707 | - $Block['loose'] = true; | |
| 708 | - | |
| 709 | - unset($Block['interrupted']); | |
| 710 | - } | |
| 711 | - | |
| 712 | - $text = substr($Line['body'], $requiredIndent); | |
| 713 | - | |
| 714 | - $Block['li']['handler']['argument'] []= $text; | |
| 715 | - | |
| 716 | - return $Block; | |
| 717 | - } | |
| 718 | - | |
| 719 | - if ( ! isset($Block['interrupted'])) | |
| 720 | - { | |
| 721 | - $text = preg_replace('/^[ ]{0,'.$requiredIndent.'}+/', '', $Line['body']); | |
| 722 | - | |
| 723 | - $Block['li']['handler']['argument'] []= $text; | |
| 724 | - | |
| 725 | - return $Block; | |
| 726 | - } | |
| 727 | - } | |
| 728 | - | |
| 729 | - protected function blockListComplete(array $Block) | |
| 730 | - { | |
| 731 | - if (isset($Block['loose'])) | |
| 732 | - { | |
| 733 | - foreach ($Block['element']['elements'] as &$li) | |
| 734 | - { | |
| 735 | - if (end($li['handler']['argument']) !== '') | |
| 736 | - { | |
| 737 | - $li['handler']['argument'] []= ''; | |
| 738 | - } | |
| 739 | - } | |
| 740 | - } | |
| 741 | - | |
| 742 | - return $Block; | |
| 743 | - } | |
| 744 | - | |
| 745 | - # | |
| 746 | - # Quote | |
| 747 | - | |
| 748 | - protected function blockQuote($Line) | |
| 749 | - { | |
| 750 | - if (preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) | |
| 751 | - { | |
| 752 | - $Block = array( | |
| 753 | - 'element' => array( | |
| 754 | - 'name' => 'blockquote', | |
| 755 | - 'handler' => array( | |
| 756 | - 'function' => 'linesElements', | |
| 757 | - 'argument' => (array) $matches[1], | |
| 758 | - 'destination' => 'elements', | |
| 759 | - ) | |
| 760 | - ), | |
| 761 | - ); | |
| 762 | - | |
| 763 | - return $Block; | |
| 764 | - } | |
| 765 | - } | |
| 766 | - | |
| 767 | - protected function blockQuoteContinue($Line, array $Block) | |
| 768 | - { | |
| 769 | - if (isset($Block['interrupted'])) | |
| 770 | - { | |
| 771 | - return; | |
| 772 | - } | |
| 773 | - | |
| 774 | - if ($Line['text'][0] === '>' and preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) | |
| 775 | - { | |
| 776 | - $Block['element']['handler']['argument'] []= $matches[1]; | |
| 777 | - | |
| 778 | - return $Block; | |
| 779 | - } | |
| 780 | - | |
| 781 | - if ( ! isset($Block['interrupted'])) | |
| 782 | - { | |
| 783 | - $Block['element']['handler']['argument'] []= $Line['text']; | |
| 784 | - | |
| 785 | - return $Block; | |
| 786 | - } | |
| 787 | - } | |
| 788 | - | |
| 789 | - # | |
| 790 | - # Rule | |
| 791 | - | |
| 792 | - protected function blockRule($Line) | |
| 793 | - { | |
| 794 | - $marker = $Line['text'][0]; | |
| 795 | - | |
| 796 | - if (substr_count($Line['text'], $marker) >= 3 and chop($Line['text'], " $marker") === '') | |
| 797 | - { | |
| 798 | - $Block = array( | |
| 799 | - 'element' => array( | |
| 800 | - 'name' => 'hr', | |
| 801 | - ), | |
| 802 | - ); | |
| 803 | - | |
| 804 | - return $Block; | |
| 805 | - } | |
| 806 | - } | |
| 807 | - | |
| 808 | - # | |
| 809 | - # Setext | |
| 810 | - | |
| 811 | - protected function blockSetextHeader($Line, ?array $Block = null) | |
| 812 | - { | |
| 813 | - if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) | |
| 814 | - { | |
| 815 | - return; | |
| 816 | - } | |
| 817 | - | |
| 818 | - if ($Line['indent'] < 4 and chop(chop($Line['text'], ' '), $Line['text'][0]) === '') | |
| 819 | - { | |
| 820 | - $Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2'; | |
| 821 | - | |
| 822 | - return $Block; | |
| 823 | - } | |
| 824 | - } | |
| 825 | - | |
| 826 | - # | |
| 827 | - # Markup | |
| 828 | - | |
| 829 | - protected function blockMarkup($Line) | |
| 830 | - { | |
| 831 | - if ($this->markupEscaped or $this->safeMode) | |
| 832 | - { | |
| 833 | - return; | |
| 834 | - } | |
| 835 | - | |
| 836 | - if (preg_match('/^<[\/]?+(\w*)(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+(\/)?>/', $Line['text'], $matches)) | |
| 837 | - { | |
| 838 | - $element = strtolower($matches[1]); | |
| 839 | - | |
| 840 | - if (in_array($element, $this->textLevelElements)) | |
| 841 | - { | |
| 842 | - return; | |
| 843 | - } | |
| 844 | - | |
| 845 | - $Block = array( | |
| 846 | - 'name' => $matches[1], | |
| 847 | - 'element' => array( | |
| 848 | - 'rawHtml' => $Line['text'], | |
| 849 | - 'autobreak' => true, | |
| 850 | - ), | |
| 851 | - ); | |
| 852 | - | |
| 853 | - return $Block; | |
| 854 | - } | |
| 855 | - } | |
| 856 | - | |
| 857 | - protected function blockMarkupContinue($Line, array $Block) | |
| 858 | - { | |
| 859 | - if (isset($Block['closed']) or isset($Block['interrupted'])) | |
| 860 | - { | |
| 861 | - return; | |
| 862 | - } | |
| 863 | - | |
| 864 | - $Block['element']['rawHtml'] .= "\n" . $Line['body']; | |
| 865 | - | |
| 866 | - return $Block; | |
| 867 | - } | |
| 868 | - | |
| 869 | - # | |
| 870 | - # Reference | |
| 871 | - | |
| 872 | - protected function blockReference($Line) | |
| 873 | - { | |
| 874 | - if (strpos($Line['text'], ']') !== false | |
| 875 | - and preg_match('/^\[(.+?)\]:[ ]*+<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/', $Line['text'], $matches) | |
| 876 | - ) { | |
| 877 | - $id = strtolower($matches[1]); | |
| 878 | - | |
| 879 | - $Data = array( | |
| 880 | - 'url' => $matches[2], | |
| 881 | - 'title' => isset($matches[3]) ? $matches[3] : null, | |
| 882 | - ); | |
| 883 | - | |
| 884 | - $this->DefinitionData['Reference'][$id] = $Data; | |
| 885 | - | |
| 886 | - $Block = array( | |
| 887 | - 'element' => array(), | |
| 888 | - ); | |
| 889 | - | |
| 890 | - return $Block; | |
| 891 | - } | |
| 892 | - } | |
| 893 | - | |
| 894 | - # | |
| 895 | - # Table | |
| 896 | - | |
| 897 | - protected function blockTable($Line, ?array $Block = null) | |
| 898 | - { | |
| 899 | - if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) | |
| 900 | - { | |
| 901 | - return; | |
| 902 | - } | |
| 903 | - | |
| 904 | - if ( | |
| 905 | - strpos($Block['element']['handler']['argument'], '|') === false | |
| 906 | - and strpos($Line['text'], '|') === false | |
| 907 | - and strpos($Line['text'], ':') === false | |
| 908 | - or strpos($Block['element']['handler']['argument'], "\n") !== false | |
| 909 | - ) { | |
| 910 | - return; | |
| 911 | - } | |
| 912 | - | |
| 913 | - if (chop($Line['text'], ' -:|') !== '') | |
| 914 | - { | |
| 915 | - return; | |
| 916 | - } | |
| 917 | - | |
| 918 | - $alignments = array(); | |
| 919 | - | |
| 920 | - $divider = $Line['text']; | |
| 921 | - | |
| 922 | - $divider = trim($divider); | |
| 923 | - $divider = trim($divider, '|'); | |
| 924 | - | |
| 925 | - $dividerCells = explode('|', $divider); | |
| 926 | - | |
| 927 | - foreach ($dividerCells as $dividerCell) | |
| 928 | - { | |
| 929 | - $dividerCell = trim($dividerCell); | |
| 930 | - | |
| 931 | - if ($dividerCell === '') | |
| 932 | - { | |
| 933 | - return; | |
| 934 | - } | |
| 935 | - | |
| 936 | - $alignment = null; | |
| 937 | - | |
| 938 | - if ($dividerCell[0] === ':') | |
| 939 | - { | |
| 940 | - $alignment = 'left'; | |
| 941 | - } | |
| 942 | - | |
| 943 | - if (substr($dividerCell, - 1) === ':') | |
| 944 | - { | |
| 945 | - $alignment = $alignment === 'left' ? 'center' : 'right'; | |
| 946 | - } | |
| 947 | - | |
| 948 | - $alignments []= $alignment; | |
| 949 | - } | |
| 950 | - | |
| 951 | - # ~ | |
| 952 | - | |
| 953 | - $HeaderElements = array(); | |
| 954 | - | |
| 955 | - $header = $Block['element']['handler']['argument']; | |
| 956 | - | |
| 957 | - $header = trim($header); | |
| 958 | - $header = trim($header, '|'); | |
| 959 | - | |
| 960 | - $headerCells = explode('|', $header); | |
| 961 | - | |
| 962 | - if (count($headerCells) !== count($alignments)) | |
| 963 | - { | |
| 964 | - return; | |
| 965 | - } | |
| 966 | - | |
| 967 | - foreach ($headerCells as $index => $headerCell) | |
| 968 | - { | |
| 969 | - $headerCell = trim($headerCell); | |
| 970 | - | |
| 971 | - $HeaderElement = array( | |
| 972 | - 'name' => 'th', | |
| 973 | - 'handler' => array( | |
| 974 | - 'function' => 'lineElements', | |
| 975 | - 'argument' => $headerCell, | |
| 976 | - 'destination' => 'elements', | |
| 977 | - ) | |
| 978 | - ); | |
| 979 | - | |
| 980 | - if (isset($alignments[$index])) | |
| 981 | - { | |
| 982 | - $alignment = $alignments[$index]; | |
| 983 | - | |
| 984 | - $HeaderElement['attributes'] = array( | |
| 985 | - 'style' => "text-align: $alignment;", | |
| 986 | - ); | |
| 987 | - } | |
| 988 | - | |
| 989 | - $HeaderElements []= $HeaderElement; | |
| 990 | - } | |
| 991 | - | |
| 992 | - # ~ | |
| 993 | - | |
| 994 | - $Block = array( | |
| 995 | - 'alignments' => $alignments, | |
| 996 | - 'identified' => true, | |
| 997 | - 'element' => array( | |
| 998 | - 'name' => 'table', | |
| 999 | - 'elements' => array(), | |
| 1000 | - ), | |
| 1001 | - ); | |
| 1002 | - | |
| 1003 | - $Block['element']['elements'] []= array( | |
| 1004 | - 'name' => 'thead', | |
| 1005 | - ); | |
| 1006 | - | |
| 1007 | - $Block['element']['elements'] []= array( | |
| 1008 | - 'name' => 'tbody', | |
| 1009 | - 'elements' => array(), | |
| 1010 | - ); | |
| 1011 | - | |
| 1012 | - $Block['element']['elements'][0]['elements'] []= array( | |
| 1013 | - 'name' => 'tr', | |
| 1014 | - 'elements' => $HeaderElements, | |
| 1015 | - ); | |
| 1016 | - | |
| 1017 | - return $Block; | |
| 1018 | - } | |
| 1019 | - | |
| 1020 | - protected function blockTableContinue($Line, array $Block) | |
| 1021 | - { | |
| 1022 | - if (isset($Block['interrupted'])) | |
| 1023 | - { | |
| 1024 | - return; | |
| 1025 | - } | |
| 1026 | - | |
| 1027 | - if (count($Block['alignments']) === 1 or $Line['text'][0] === '|' or strpos($Line['text'], '|')) | |
| 1028 | - { | |
| 1029 | - $Elements = array(); | |
| 1030 | - | |
| 1031 | - $row = $Line['text']; | |
| 1032 | - | |
| 1033 | - $row = trim($row); | |
| 1034 | - $row = trim($row, '|'); | |
| 1035 | - | |
| 1036 | - preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]++`|`)++/', $row, $matches); | |
| 1037 | - | |
| 1038 | - $cells = array_slice($matches[0], 0, count($Block['alignments'])); | |
| 1039 | - | |
| 1040 | - foreach ($cells as $index => $cell) | |
| 1041 | - { | |
| 1042 | - $cell = trim($cell); | |
| 1043 | - | |
| 1044 | - $Element = array( | |
| 1045 | - 'name' => 'td', | |
| 1046 | - 'handler' => array( | |
| 1047 | - 'function' => 'lineElements', | |
| 1048 | - 'argument' => $cell, | |
| 1049 | - 'destination' => 'elements', | |
| 1050 | - ) | |
| 1051 | - ); | |
| 1052 | - | |
| 1053 | - if (isset($Block['alignments'][$index])) | |
| 1054 | - { | |
| 1055 | - $Element['attributes'] = array( | |
| 1056 | - 'style' => 'text-align: ' . $Block['alignments'][$index] . ';', | |
| 1057 | - ); | |
| 1058 | - } | |
| 1059 | - | |
| 1060 | - $Elements []= $Element; | |
| 1061 | - } | |
| 1062 | - | |
| 1063 | - $Element = array( | |
| 1064 | - 'name' => 'tr', | |
| 1065 | - 'elements' => $Elements, | |
| 1066 | - ); | |
| 1067 | - | |
| 1068 | - $Block['element']['elements'][1]['elements'] []= $Element; | |
| 1069 | - | |
| 1070 | - return $Block; | |
| 1071 | - } | |
| 1072 | - } | |
| 1073 | - | |
| 1074 | - # | |
| 1075 | - # ~ | |
| 1076 | - # | |
| 1077 | - | |
| 1078 | - protected function paragraph($Line) | |
| 1079 | - { | |
| 1080 | - return array( | |
| 1081 | - 'type' => 'Paragraph', | |
| 1082 | - 'element' => array( | |
| 1083 | - 'name' => 'p', | |
| 1084 | - 'handler' => array( | |
| 1085 | - 'function' => 'lineElements', | |
| 1086 | - 'argument' => $Line['text'], | |
| 1087 | - 'destination' => 'elements', | |
| 1088 | - ), | |
| 1089 | - ), | |
| 1090 | - ); | |
| 1091 | - } | |
| 1092 | - | |
| 1093 | - protected function paragraphContinue($Line, array $Block) | |
| 1094 | - { | |
| 1095 | - if (isset($Block['interrupted'])) | |
| 1096 | - { | |
| 1097 | - return; | |
| 1098 | - } | |
| 1099 | - | |
| 1100 | - $Block['element']['handler']['argument'] .= "\n".$Line['text']; | |
| 1101 | - | |
| 1102 | - return $Block; | |
| 1103 | - } | |
| 1104 | - | |
| 1105 | - # | |
| 1106 | - # Inline Elements | |
| 1107 | - # | |
| 1108 | - | |
| 1109 | - protected $InlineTypes = array( | |
| 1110 | - '!' => array('Image'), | |
| 1111 | - '&' => array('SpecialCharacter'), | |
| 1112 | - '*' => array('Emphasis'), | |
| 1113 | - ':' => array('Url'), | |
| 1114 | - '<' => array('UrlTag', 'EmailTag', 'Markup'), | |
| 1115 | - '[' => array('Link'), | |
| 1116 | - '_' => array('Emphasis'), | |
| 1117 | - '`' => array('Code'), | |
| 1118 | - '~' => array('Strikethrough'), | |
| 1119 | - '\\' => array('EscapeSequence'), | |
| 1120 | - ); | |
| 1121 | - | |
| 1122 | - # ~ | |
| 1123 | - | |
| 1124 | - protected $inlineMarkerList = '!*_&[:<`~\\'; | |
| 1125 | - | |
| 1126 | - # | |
| 1127 | - # ~ | |
| 1128 | - # | |
| 1129 | - | |
| 1130 | - public function line($text, $nonNestables = array()) | |
| 1131 | - { | |
| 1132 | - return $this->elements($this->lineElements($text, $nonNestables)); | |
| 1133 | - } | |
| 1134 | - | |
| 1135 | - protected function lineElements($text, $nonNestables = array()) | |
| 1136 | - { | |
| 1137 | - # standardize line breaks | |
| 1138 | - $text = str_replace(array("\r\n", "\r"), "\n", $text); | |
| 1139 | - | |
| 1140 | - $Elements = array(); | |
| 1141 | - | |
| 1142 | - $nonNestables = (empty($nonNestables) | |
| 1143 | - ? array() | |
| 1144 | - : array_combine($nonNestables, $nonNestables) | |
| 1145 | - ); | |
| 1146 | - | |
| 1147 | - # $excerpt is based on the first occurrence of a marker | |
| 1148 | - | |
| 1149 | - while ($excerpt = strpbrk($text, $this->inlineMarkerList)) | |
| 1150 | - { | |
| 1151 | - $marker = $excerpt[0]; | |
| 1152 | - | |
| 1153 | - $markerPosition = strlen($text) - strlen($excerpt); | |
| 1154 | - | |
| 1155 | - $Excerpt = array('text' => $excerpt, 'context' => $text); | |
| 1156 | - | |
| 1157 | - foreach ($this->InlineTypes[$marker] as $inlineType) | |
| 1158 | - { | |
| 1159 | - # check to see if the current inline type is nestable in the current context | |
| 1160 | - | |
| 1161 | - if (isset($nonNestables[$inlineType])) | |
| 1162 | - { | |
| 1163 | - continue; | |
| 1164 | - } | |
| 1165 | - | |
| 1166 | - $Inline = $this->{"inline$inlineType"}($Excerpt); | |
| 1167 | - | |
| 1168 | - if ( ! isset($Inline)) | |
| 1169 | - { | |
| 1170 | - continue; | |
| 1171 | - } | |
| 1172 | - | |
| 1173 | - # makes sure that the inline belongs to "our" marker | |
| 1174 | - | |
| 1175 | - if (isset($Inline['position']) and $Inline['position'] > $markerPosition) | |
| 1176 | - { | |
| 1177 | - continue; | |
| 1178 | - } | |
| 1179 | - | |
| 1180 | - # sets a default inline position | |
| 1181 | - | |
| 1182 | - if ( ! isset($Inline['position'])) | |
| 1183 | - { | |
| 1184 | - $Inline['position'] = $markerPosition; | |
| 1185 | - } | |
| 1186 | - | |
| 1187 | - # cause the new element to 'inherit' our non nestables | |
| 1188 | - | |
| 1189 | - | |
| 1190 | - $Inline['element']['nonNestables'] = isset($Inline['element']['nonNestables']) | |
| 1191 | - ? array_merge($Inline['element']['nonNestables'], $nonNestables) | |
| 1192 | - : $nonNestables | |
| 1193 | - ; | |
| 1194 | - | |
| 1195 | - # the text that comes before the inline | |
| 1196 | - $unmarkedText = substr($text, 0, $Inline['position']); | |
| 1197 | - | |
| 1198 | - # compile the unmarked text | |
| 1199 | - $InlineText = $this->inlineText($unmarkedText); | |
| 1200 | - $Elements[] = $InlineText['element']; | |
| 1201 | - | |
| 1202 | - # compile the inline | |
| 1203 | - $Elements[] = $this->extractElement($Inline); | |
| 1204 | - | |
| 1205 | - # remove the examined text | |
| 1206 | - $text = substr($text, $Inline['position'] + $Inline['extent']); | |
| 1207 | - | |
| 1208 | - continue 2; | |
| 1209 | - } | |
| 1210 | - | |
| 1211 | - # the marker does not belong to an inline | |
| 1212 | - | |
| 1213 | - $unmarkedText = substr($text, 0, $markerPosition + 1); | |
| 1214 | - | |
| 1215 | - $InlineText = $this->inlineText($unmarkedText); | |
| 1216 | - $Elements[] = $InlineText['element']; | |
| 1217 | - | |
| 1218 | - $text = substr($text, $markerPosition + 1); | |
| 1219 | - } | |
| 1220 | - | |
| 1221 | - $InlineText = $this->inlineText($text); | |
| 1222 | - $Elements[] = $InlineText['element']; | |
| 1223 | - | |
| 1224 | - foreach ($Elements as &$Element) | |
| 1225 | - { | |
| 1226 | - if ( ! isset($Element['autobreak'])) | |
| 1227 | - { | |
| 1228 | - $Element['autobreak'] = false; | |
| 1229 | - } | |
| 1230 | - } | |
| 1231 | - | |
| 1232 | - return $Elements; | |
| 1233 | - } | |
| 1234 | - | |
| 1235 | - # | |
| 1236 | - # ~ | |
| 1237 | - # | |
| 1238 | - | |
| 1239 | - protected function inlineText($text) | |
| 1240 | - { | |
| 1241 | - $Inline = array( | |
| 1242 | - 'extent' => strlen($text), | |
| 1243 | - 'element' => array(), | |
| 1244 | - ); | |
| 1245 | - | |
| 1246 | - $Inline['element']['elements'] = self::pregReplaceElements( | |
| 1247 | - $this->breaksEnabled ? '/[ ]*+\n/' : '/(?:[ ]*+\\\\|[ ]{2,}+)\n/', | |
| 1248 | - array( | |
| 1249 | - array('name' => 'br'), | |
| 1250 | - array('text' => "\n"), | |
| 1251 | - ), | |
| 1252 | - $text | |
| 1253 | - ); | |
| 1254 | - | |
| 1255 | - return $Inline; | |
| 1256 | - } | |
| 1257 | - | |
| 1258 | - protected function inlineCode($Excerpt) | |
| 1259 | - { | |
| 1260 | - $marker = $Excerpt['text'][0]; | |
| 1261 | - | |
| 1262 | - if (preg_match('/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s', $Excerpt['text'], $matches)) | |
| 1263 | - { | |
| 1264 | - $text = $matches[2]; | |
| 1265 | - $text = preg_replace('/[ ]*+\n/', ' ', $text); | |
| 1266 | - | |
| 1267 | - return array( | |
| 1268 | - 'extent' => strlen($matches[0]), | |
| 1269 | - 'element' => array( | |
| 1270 | - 'name' => 'code', | |
| 1271 | - 'text' => $text, | |
| 1272 | - ), | |
| 1273 | - ); | |
| 1274 | - } | |
| 1275 | - } | |
| 1276 | - | |
| 1277 | - protected function inlineEmailTag($Excerpt) | |
| 1278 | - { | |
| 1279 | - $hostnameLabel = '[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?'; | |
| 1280 | - | |
| 1281 | - $commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]++@' | |
| 1282 | - . $hostnameLabel . '(?:\.' . $hostnameLabel . ')*'; | |
| 1283 | - | |
| 1284 | - if (strpos($Excerpt['text'], '>') !== false | |
| 1285 | - and preg_match("/^<((mailto:)?$commonMarkEmail)>/i", $Excerpt['text'], $matches) | |
| 1286 | - ){ | |
| 1287 | - $url = $matches[1]; | |
| 1288 | - | |
| 1289 | - if ( ! isset($matches[2])) | |
| 1290 | - { | |
| 1291 | - $url = "mailto:$url"; | |
| 1292 | - } | |
| 1293 | - | |
| 1294 | - return array( | |
| 1295 | - 'extent' => strlen($matches[0]), | |
| 1296 | - 'element' => array( | |
| 1297 | - 'name' => 'a', | |
| 1298 | - 'text' => $matches[1], | |
| 1299 | - 'attributes' => array( | |
| 1300 | - 'href' => $url, | |
| 1301 | - ), | |
| 1302 | - ), | |
| 1303 | - ); | |
| 1304 | - } | |
| 1305 | - } | |
| 1306 | - | |
| 1307 | - protected function inlineEmphasis($Excerpt) | |
| 1308 | - { | |
| 1309 | - if ( ! isset($Excerpt['text'][1])) | |
| 1310 | - { | |
| 1311 | - return; | |
| 1312 | - } | |
| 1313 | - | |
| 1314 | - $marker = $Excerpt['text'][0]; | |
| 1315 | - | |
| 1316 | - if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches)) | |
| 1317 | - { | |
| 1318 | - $emphasis = 'strong'; | |
| 1319 | - } | |
| 1320 | - elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches)) | |
| 1321 | - { | |
| 1322 | - $emphasis = 'em'; | |
| 1323 | - } | |
| 1324 | - else | |
| 1325 | - { | |
| 1326 | - return; | |
| 1327 | - } | |
| 1328 | - | |
| 1329 | - return array( | |
| 1330 | - 'extent' => strlen($matches[0]), | |
| 1331 | - 'element' => array( | |
| 1332 | - 'name' => $emphasis, | |
| 1333 | - 'handler' => array( | |
| 1334 | - 'function' => 'lineElements', | |
| 1335 | - 'argument' => $matches[1], | |
| 1336 | - 'destination' => 'elements', | |
| 1337 | - ) | |
| 1338 | - ), | |
| 1339 | - ); | |
| 1340 | - } | |
| 1341 | - | |
| 1342 | - protected function inlineEscapeSequence($Excerpt) | |
| 1343 | - { | |
| 1344 | - if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters)) | |
| 1345 | - { | |
| 1346 | - return array( | |
| 1347 | - 'element' => array('rawHtml' => $Excerpt['text'][1]), | |
| 1348 | - 'extent' => 2, | |
| 1349 | - ); | |
| 1350 | - } | |
| 1351 | - } | |
| 1352 | - | |
| 1353 | - protected function inlineImage($Excerpt) | |
| 1354 | - { | |
| 1355 | - if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[') | |
| 1356 | - { | |
| 1357 | - return; | |
| 1358 | - } | |
| 1359 | - | |
| 1360 | - $Excerpt['text']= substr($Excerpt['text'], 1); | |
| 1361 | - | |
| 1362 | - $Link = $this->inlineLink($Excerpt); | |
| 1363 | - | |
| 1364 | - if ($Link === null) | |
| 1365 | - { | |
| 1366 | - return; | |
| 1367 | - } | |
| 1368 | - | |
| 1369 | - $Inline = array( | |
| 1370 | - 'extent' => $Link['extent'] + 1, | |
| 1371 | - 'element' => array( | |
| 1372 | - 'name' => 'img', | |
| 1373 | - 'attributes' => array( | |
| 1374 | - 'src' => $Link['element']['attributes']['href'], | |
| 1375 | - 'alt' => $Link['element']['handler']['argument'], | |
| 1376 | - ), | |
| 1377 | - 'autobreak' => true, | |
| 1378 | - ), | |
| 1379 | - ); | |
| 1380 | - | |
| 1381 | - $Inline['element']['attributes'] += $Link['element']['attributes']; | |
| 1382 | - | |
| 1383 | - unset($Inline['element']['attributes']['href']); | |
| 1384 | - | |
| 1385 | - return $Inline; | |
| 1386 | - } | |
| 1387 | - | |
| 1388 | - protected function inlineLink($Excerpt) | |
| 1389 | - { | |
| 1390 | - $Element = array( | |
| 1391 | - 'name' => 'a', | |
| 1392 | - 'handler' => array( | |
| 1393 | - 'function' => 'lineElements', | |
| 1394 | - 'argument' => null, | |
| 1395 | - 'destination' => 'elements', | |
| 1396 | - ), | |
| 1397 | - 'nonNestables' => array('Url', 'Link'), | |
| 1398 | - 'attributes' => array( | |
| 1399 | - 'href' => null, | |
| 1400 | - 'title' => null, | |
| 1401 | - ), | |
| 1402 | - ); | |
| 1403 | - | |
| 1404 | - $extent = 0; | |
| 1405 | - | |
| 1406 | - $remainder = $Excerpt['text']; | |
| 1407 | - | |
| 1408 | - if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches)) | |
| 1409 | - { | |
| 1410 | - $Element['handler']['argument'] = $matches[1]; | |
| 1411 | - | |
| 1412 | - $extent += strlen($matches[0]); | |
| 1413 | - | |
| 1414 | - $remainder = substr($remainder, $extent); | |
| 1415 | - } | |
| 1416 | - else | |
| 1417 | - { | |
| 1418 | - return; | |
| 1419 | - } | |
| 1420 | - | |
| 1421 | - if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*+"|\'[^\']*+\'))?\s*+[)]/', $remainder, $matches)) | |
| 1422 | - { | |
| 1423 | - $Element['attributes']['href'] = $matches[1]; | |
| 1424 | - | |
| 1425 | - if (isset($matches[2])) | |
| 1426 | - { | |
| 1427 | - $Element['attributes']['title'] = substr($matches[2], 1, - 1); | |
| 1428 | - } | |
| 1429 | - | |
| 1430 | - $extent += strlen($matches[0]); | |
| 1431 | - } | |
| 1432 | - else | |
| 1433 | - { | |
| 1434 | - if (preg_match('/^\s*\[(.*?)\]/', $remainder, $matches)) | |
| 1435 | - { | |
| 1436 | - $definition = strlen($matches[1]) ? $matches[1] : $Element['handler']['argument']; | |
| 1437 | - $definition = strtolower($definition); | |
| 1438 | - | |
| 1439 | - $extent += strlen($matches[0]); | |
| 1440 | - } | |
| 1441 | - else | |
| 1442 | - { | |
| 1443 | - $definition = strtolower($Element['handler']['argument']); | |
| 1444 | - } | |
| 1445 | - | |
| 1446 | - if ( ! isset($this->DefinitionData['Reference'][$definition])) | |
| 1447 | - { | |
| 1448 | - return; | |
| 1449 | - } | |
| 1450 | - | |
| 1451 | - $Definition = $this->DefinitionData['Reference'][$definition]; | |
| 1452 | - | |
| 1453 | - $Element['attributes']['href'] = $Definition['url']; | |
| 1454 | - $Element['attributes']['title'] = $Definition['title']; | |
| 1455 | - } | |
| 1456 | - | |
| 1457 | - return array( | |
| 1458 | - 'extent' => $extent, | |
| 1459 | - 'element' => $Element, | |
| 1460 | - ); | |
| 1461 | - } | |
| 1462 | - | |
| 1463 | - protected function inlineMarkup($Excerpt) | |
| 1464 | - { | |
| 1465 | - if ($this->markupEscaped or $this->safeMode or strpos($Excerpt['text'], '>') === false) | |
| 1466 | - { | |
| 1467 | - return; | |
| 1468 | - } | |
| 1469 | - | |
| 1470 | - if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*+[ ]*+>/s', $Excerpt['text'], $matches)) | |
| 1471 | - { | |
| 1472 | - return array( | |
| 1473 | - 'element' => array('rawHtml' => $matches[0]), | |
| 1474 | - 'extent' => strlen($matches[0]), | |
| 1475 | - ); | |
| 1476 | - } | |
| 1477 | - | |
| 1478 | - if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?+[^-])*-->/s', $Excerpt['text'], $matches)) | |
| 1479 | - { | |
| 1480 | - return array( | |
| 1481 | - 'element' => array('rawHtml' => $matches[0]), | |
| 1482 | - 'extent' => strlen($matches[0]), | |
| 1483 | - ); | |
| 1484 | - } | |
| 1485 | - | |
| 1486 | - if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*+(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+\/?>/s', $Excerpt['text'], $matches)) | |
| 1487 | - { | |
| 1488 | - return array( | |
| 1489 | - 'element' => array('rawHtml' => $matches[0]), | |
| 1490 | - 'extent' => strlen($matches[0]), | |
| 1491 | - ); | |
| 1492 | - } | |
| 1493 | - } | |
| 1494 | - | |
| 1495 | - protected function inlineSpecialCharacter($Excerpt) | |
| 1496 | - { | |
| 1497 | - if (substr($Excerpt['text'], 1, 1) !== ' ' and strpos($Excerpt['text'], ';') !== false | |
| 1498 | - and preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches) | |
| 1499 | - ) { | |
| 1500 | - return array( | |
| 1501 | - 'element' => array('rawHtml' => '&' . $matches[1] . ';'), | |
| 1502 | - 'extent' => strlen($matches[0]), | |
| 1503 | - ); | |
| 1504 | - } | |
| 1505 | - | |
| 1506 | - return; | |
| 1507 | - } | |
| 1508 | - | |
| 1509 | - protected function inlineStrikethrough($Excerpt) | |
| 1510 | - { | |
| 1511 | - if ( ! isset($Excerpt['text'][1])) | |
| 1512 | - { | |
| 1513 | - return; | |
| 1514 | - } | |
| 1515 | - | |
| 1516 | - if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches)) | |
| 1517 | - { | |
| 1518 | - return array( | |
| 1519 | - 'extent' => strlen($matches[0]), | |
| 1520 | - 'element' => array( | |
| 1521 | - 'name' => 'del', | |
| 1522 | - 'handler' => array( | |
| 1523 | - 'function' => 'lineElements', | |
| 1524 | - 'argument' => $matches[1], | |
| 1525 | - 'destination' => 'elements', | |
| 1526 | - ) | |
| 1527 | - ), | |
| 1528 | - ); | |
| 1529 | - } | |
| 1530 | - } | |
| 1531 | - | |
| 1532 | - protected function inlineUrl($Excerpt) | |
| 1533 | - { | |
| 1534 | - if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/') | |
| 1535 | - { | |
| 1536 | - return; | |
| 1537 | - } | |
| 1538 | - | |
| 1539 | - if (strpos($Excerpt['context'], 'http') !== false | |
| 1540 | - and preg_match('/\bhttps?+:[\/]{2}[^\s<]+\b\/*+/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE) | |
| 1541 | - ) { | |
| 1542 | - $url = $matches[0][0]; | |
| 1543 | - | |
| 1544 | - $Inline = array( | |
| 1545 | - 'extent' => strlen($matches[0][0]), | |
| 1546 | - 'position' => $matches[0][1], | |
| 1547 | - 'element' => array( | |
| 1548 | - 'name' => 'a', | |
| 1549 | - 'text' => $url, | |
| 1550 | - 'attributes' => array( | |
| 1551 | - 'href' => $url, | |
| 1552 | - ), | |
| 1553 | - ), | |
| 1554 | - ); | |
| 1555 | - | |
| 1556 | - return $Inline; | |
| 1557 | - } | |
| 1558 | - } | |
| 1559 | - | |
| 1560 | - protected function inlineUrlTag($Excerpt) | |
| 1561 | - { | |
| 1562 | - if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w++:\/{2}[^ >]++)>/i', $Excerpt['text'], $matches)) | |
| 1563 | - { | |
| 1564 | - $url = $matches[1]; | |
| 1565 | - | |
| 1566 | - return array( | |
| 1567 | - 'extent' => strlen($matches[0]), | |
| 1568 | - 'element' => array( | |
| 1569 | - 'name' => 'a', | |
| 1570 | - 'text' => $url, | |
| 1571 | - 'attributes' => array( | |
| 1572 | - 'href' => $url, | |
| 1573 | - ), | |
| 1574 | - ), | |
| 1575 | - ); | |
| 1576 | - } | |
| 1577 | - } | |
| 1578 | - | |
| 1579 | - # ~ | |
| 1580 | - | |
| 1581 | - protected function unmarkedText($text) | |
| 1582 | - { | |
| 1583 | - $Inline = $this->inlineText($text); | |
| 1584 | - return $this->element($Inline['element']); | |
| 1585 | - } | |
| 1586 | - | |
| 1587 | - # | |
| 1588 | - # Handlers | |
| 1589 | - # | |
| 1590 | - | |
| 1591 | - protected function handle(array $Element) | |
| 1592 | - { | |
| 1593 | - if (isset($Element['handler'])) | |
| 1594 | - { | |
| 1595 | - if (!isset($Element['nonNestables'])) | |
| 1596 | - { | |
| 1597 | - $Element['nonNestables'] = array(); | |
| 1598 | - } | |
| 1599 | - | |
| 1600 | - if (is_string($Element['handler'])) | |
| 1601 | - { | |
| 1602 | - $function = $Element['handler']; | |
| 1603 | - $argument = $Element['text']; | |
| 1604 | - unset($Element['text']); | |
| 1605 | - $destination = 'rawHtml'; | |
| 1606 | - } | |
| 1607 | - else | |
| 1608 | - { | |
| 1609 | - $function = $Element['handler']['function']; | |
| 1610 | - $argument = $Element['handler']['argument']; | |
| 1611 | - $destination = $Element['handler']['destination']; | |
| 1612 | - } | |
| 1613 | - | |
| 1614 | - $Element[$destination] = $this->{$function}($argument, $Element['nonNestables']); | |
| 1615 | - | |
| 1616 | - if ($destination === 'handler') | |
| 1617 | - { | |
| 1618 | - $Element = $this->handle($Element); | |
| 1619 | - } | |
| 1620 | - | |
| 1621 | - unset($Element['handler']); | |
| 1622 | - } | |
| 1623 | - | |
| 1624 | - return $Element; | |
| 1625 | - } | |
| 1626 | - | |
| 1627 | - protected function handleElementRecursive(array $Element) | |
| 1628 | - { | |
| 1629 | - return $this->elementApplyRecursive(array($this, 'handle'), $Element); | |
| 1630 | - } | |
| 1631 | - | |
| 1632 | - protected function handleElementsRecursive(array $Elements) | |
| 1633 | - { | |
| 1634 | - return $this->elementsApplyRecursive(array($this, 'handle'), $Elements); | |
| 1635 | - } | |
| 1636 | - | |
| 1637 | - protected function elementApplyRecursive($closure, array $Element) | |
| 1638 | - { | |
| 1639 | - $Element = call_user_func($closure, $Element); | |
| 1640 | - | |
| 1641 | - if (isset($Element['elements'])) | |
| 1642 | - { | |
| 1643 | - $Element['elements'] = $this->elementsApplyRecursive($closure, $Element['elements']); | |
| 1644 | - } | |
| 1645 | - elseif (isset($Element['element'])) | |
| 1646 | - { | |
| 1647 | - $Element['element'] = $this->elementApplyRecursive($closure, $Element['element']); | |
| 1648 | - } | |
| 1649 | - | |
| 1650 | - return $Element; | |
| 1651 | - } | |
| 1652 | - | |
| 1653 | - protected function elementApplyRecursiveDepthFirst($closure, array $Element) | |
| 1654 | - { | |
| 1655 | - if (isset($Element['elements'])) | |
| 1656 | - { | |
| 1657 | - $Element['elements'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['elements']); | |
| 1658 | - } | |
| 1659 | - elseif (isset($Element['element'])) | |
| 1660 | - { | |
| 1661 | - $Element['element'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['element']); | |
| 1662 | - } | |
| 1663 | - | |
| 1664 | - $Element = call_user_func($closure, $Element); | |
| 1665 | - | |
| 1666 | - return $Element; | |
| 1667 | - } | |
| 1668 | - | |
| 1669 | - protected function elementsApplyRecursive($closure, array $Elements) | |
| 1670 | - { | |
| 1671 | - foreach ($Elements as &$Element) | |
| 1672 | - { | |
| 1673 | - $Element = $this->elementApplyRecursive($closure, $Element); | |
| 1674 | - } | |
| 1675 | - | |
| 1676 | - return $Elements; | |
| 1677 | - } | |
| 1678 | - | |
| 1679 | - protected function elementsApplyRecursiveDepthFirst($closure, array $Elements) | |
| 1680 | - { | |
| 1681 | - foreach ($Elements as &$Element) | |
| 1682 | - { | |
| 1683 | - $Element = $this->elementApplyRecursiveDepthFirst($closure, $Element); | |
| 1684 | - } | |
| 1685 | - | |
| 1686 | - return $Elements; | |
| 1687 | - } | |
| 1688 | - | |
| 1689 | - protected function element(array $Element) | |
| 1690 | - { | |
| 1691 | - if ($this->safeMode) | |
| 1692 | - { | |
| 1693 | - $Element = $this->sanitiseElement($Element); | |
| 1694 | - } | |
| 1695 | - | |
| 1696 | - # identity map if element has no handler | |
| 1697 | - $Element = $this->handle($Element); | |
| 1698 | - | |
| 1699 | - $hasName = isset($Element['name']); | |
| 1700 | - | |
| 1701 | - $markup = ''; | |
| 1702 | - | |
| 1703 | - if ($hasName) | |
| 1704 | - { | |
| 1705 | - $markup .= '<' . $Element['name']; | |
| 1706 | - | |
| 1707 | - if (isset($Element['attributes'])) | |
| 1708 | - { | |
| 1709 | - foreach ($Element['attributes'] as $name => $value) | |
| 1710 | - { | |
| 1711 | - if ($value === null) | |
| 1712 | - { | |
| 1713 | - continue; | |
| 1714 | - } | |
| 1715 | - | |
| 1716 | - $markup .= " $name=\"".self::escape($value).'"'; | |
| 1717 | - } | |
| 1718 | - } | |
| 1719 | - } | |
| 1720 | - | |
| 1721 | - $permitRawHtml = false; | |
| 1722 | - | |
| 1723 | - if (isset($Element['text'])) | |
| 1724 | - { | |
| 1725 | - $text = $Element['text']; | |
| 1726 | - } | |
| 1727 | - // very strongly consider an alternative if you're writing an | |
| 1728 | - // extension | |
| 1729 | - elseif (isset($Element['rawHtml'])) | |
| 1730 | - { | |
| 1731 | - $text = $Element['rawHtml']; | |
| 1732 | - | |
| 1733 | - $allowRawHtmlInSafeMode = isset($Element['allowRawHtmlInSafeMode']) && $Element['allowRawHtmlInSafeMode']; | |
| 1734 | - $permitRawHtml = !$this->safeMode || $allowRawHtmlInSafeMode; | |
| 1735 | - } | |
| 1736 | - | |
| 1737 | - $hasContent = isset($text) || isset($Element['element']) || isset($Element['elements']); | |
| 1738 | - | |
| 1739 | - if ($hasContent) | |
| 1740 | - { | |
| 1741 | - $markup .= $hasName ? '>' : ''; | |
| 1742 | - | |
| 1743 | - if (isset($Element['elements'])) | |
| 1744 | - { | |
| 1745 | - $markup .= $this->elements($Element['elements']); | |
| 1746 | - } | |
| 1747 | - elseif (isset($Element['element'])) | |
| 1748 | - { | |
| 1749 | - $markup .= $this->element($Element['element']); | |
| 1750 | - } | |
| 1751 | - else | |
| 1752 | - { | |
| 1753 | - if (!$permitRawHtml) | |
| 1754 | - { | |
| 1755 | - $markup .= self::escape($text, true); | |
| 1756 | - } | |
| 1757 | - else | |
| 1758 | - { | |
| 1759 | - $markup .= $text; | |
| 1760 | - } | |
| 1761 | - } | |
| 1762 | - | |
| 1763 | - $markup .= $hasName ? '</' . $Element['name'] . '>' : ''; | |
| 1764 | - } | |
| 1765 | - elseif ($hasName) | |
| 1766 | - { | |
| 1767 | - $markup .= ' />'; | |
| 1768 | - } | |
| 1769 | - | |
| 1770 | - return $markup; | |
| 1771 | - } | |
| 1772 | - | |
| 1773 | - protected function elements(array $Elements) | |
| 1774 | - { | |
| 1775 | - $markup = ''; | |
| 1776 | - | |
| 1777 | - $autoBreak = true; | |
| 1778 | - | |
| 1779 | - foreach ($Elements as $Element) | |
| 1780 | - { | |
| 1781 | - if (empty($Element)) | |
| 1782 | - { | |
| 1783 | - continue; | |
| 1784 | - } | |
| 1785 | - | |
| 1786 | - $autoBreakNext = (isset($Element['autobreak']) | |
| 1787 | - ? $Element['autobreak'] : isset($Element['name']) | |
| 1788 | - ); | |
| 1789 | - // (autobreak === false) covers both sides of an element | |
| 1790 | - $autoBreak = !$autoBreak ? $autoBreak : $autoBreakNext; | |
| 1791 | - | |
| 1792 | - $markup .= ($autoBreak ? "\n" : '') . $this->element($Element); | |
| 1793 | - $autoBreak = $autoBreakNext; | |
| 1794 | - } | |
| 1795 | - | |
| 1796 | - $markup .= $autoBreak ? "\n" : ''; | |
| 1797 | - | |
| 1798 | - return $markup; | |
| 1799 | - } | |
| 1800 | - | |
| 1801 | - # ~ | |
| 1802 | - | |
| 1803 | - protected function li($lines) | |
| 1804 | - { | |
| 1805 | - $Elements = $this->linesElements($lines); | |
| 1806 | - | |
| 1807 | - if ( ! in_array('', $lines) | |
| 1808 | - and isset($Elements[0]) and isset($Elements[0]['name']) | |
| 1809 | - and $Elements[0]['name'] === 'p' | |
| 1810 | - ) { | |
| 1811 | - unset($Elements[0]['name']); | |
| 1812 | - } | |
| 1813 | - | |
| 1814 | - return $Elements; | |
| 1815 | - } | |
| 1816 | - | |
| 1817 | - # | |
| 1818 | - # AST Convenience | |
| 1819 | - # | |
| 1820 | - | |
| 1821 | - /** | |
| 1822 | - * Replace occurrences $regexp with $Elements in $text. Return an array of | |
| 1823 | - * elements representing the replacement. | |
| 1824 | - */ | |
| 1825 | - protected static function pregReplaceElements($regexp, $Elements, $text) | |
| 1826 | - { | |
| 1827 | - $newElements = array(); | |
| 1828 | - | |
| 1829 | - while (preg_match($regexp, $text, $matches, PREG_OFFSET_CAPTURE)) | |
| 1830 | - { | |
| 1831 | - $offset = $matches[0][1]; | |
| 1832 | - $before = substr($text, 0, $offset); | |
| 1833 | - $after = substr($text, $offset + strlen($matches[0][0])); | |
| 1834 | - | |
| 1835 | - $newElements[] = array('text' => $before); | |
| 1836 | - | |
| 1837 | - foreach ($Elements as $Element) | |
| 1838 | - { | |
| 1839 | - $newElements[] = $Element; | |
| 1840 | - } | |
| 1841 | - | |
| 1842 | - $text = $after; | |
| 1843 | - } | |
| 1844 | - | |
| 1845 | - $newElements[] = array('text' => $text); | |
| 1846 | - | |
| 1847 | - return $newElements; | |
| 1848 | - } | |
| 1849 | - | |
| 1850 | - # | |
| 1851 | - # Deprecated Methods | |
| 1852 | - # | |
| 1853 | - | |
| 1854 | - function parse($text) | |
| 1855 | - { | |
| 1856 | - $markup = $this->text($text); | |
| 1857 | - | |
| 1858 | - return $markup; | |
| 1859 | - } | |
| 1860 | - | |
| 1861 | - protected function sanitiseElement(array $Element) | |
| 1862 | - { | |
| 1863 | - static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/'; | |
| 1864 | - static $safeUrlNameToAtt = array( | |
| 1865 | - 'a' => 'href', | |
| 1866 | - 'img' => 'src', | |
| 1867 | - ); | |
| 1868 | - | |
| 1869 | - if ( ! isset($Element['name'])) | |
| 1870 | - { | |
| 1871 | - unset($Element['attributes']); | |
| 1872 | - return $Element; | |
| 1873 | - } | |
| 1874 | - | |
| 1875 | - if (isset($safeUrlNameToAtt[$Element['name']])) | |
| 1876 | - { | |
| 1877 | - $Element = $this->filterUnsafeUrlInAttribute($Element, $safeUrlNameToAtt[$Element['name']]); | |
| 1878 | - } | |
| 1879 | - | |
| 1880 | - if ( ! empty($Element['attributes'])) | |
| 1881 | - { | |
| 1882 | - foreach ($Element['attributes'] as $att => $val) | |
| 1883 | - { | |
| 1884 | - # filter out badly parsed attribute | |
| 1885 | - if ( ! preg_match($goodAttribute, $att)) | |
| 1886 | - { | |
| 1887 | - unset($Element['attributes'][$att]); | |
| 1888 | - } | |
| 1889 | - # dump onevent attribute | |
| 1890 | - elseif (self::striAtStart($att, 'on')) | |
| 1891 | - { | |
| 1892 | - unset($Element['attributes'][$att]); | |
| 1893 | - } | |
| 1894 | - } | |
| 1895 | - } | |
| 1896 | - | |
| 1897 | - return $Element; | |
| 1898 | - } | |
| 1899 | - | |
| 1900 | - protected function filterUnsafeUrlInAttribute(array $Element, $attribute) | |
| 1901 | - { | |
| 1902 | - foreach ($this->safeLinksWhitelist as $scheme) | |
| 1903 | - { | |
| 1904 | - if (self::striAtStart($Element['attributes'][$attribute], $scheme)) | |
| 1905 | - { | |
| 1906 | - return $Element; | |
| 1907 | - } | |
| 1908 | - } | |
| 1909 | - | |
| 1910 | - $Element['attributes'][$attribute] = str_replace(':', '%3A', $Element['attributes'][$attribute]); | |
| 1911 | - | |
| 1912 | - return $Element; | |
| 1913 | - } | |
| 1914 | - | |
| 1915 | - # | |
| 1916 | - # Static Methods | |
| 1917 | - # | |
| 1918 | - | |
| 1919 | - protected static function escape($text, $allowQuotes = false) | |
| 1920 | - { | |
| 1921 | - return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES : ENT_QUOTES, 'UTF-8'); | |
| 1922 | - } | |
| 1923 | - | |
| 1924 | - protected static function striAtStart($string, $needle) | |
| 1925 | - { | |
| 1926 | - $len = strlen($needle); | |
| 1927 | - | |
| 1928 | - if ($len > strlen($string)) | |
| 1929 | - { | |
| 1930 | - return false; | |
| 1931 | - } | |
| 1932 | - else | |
| 1933 | - { | |
| 1934 | - return strtolower(substr($string, 0, $len)) === strtolower($needle); | |
| 1935 | - } | |
| 1936 | - } | |
| 1937 | - | |
| 1938 | - static function instance($name = 'default') | |
| 1939 | - { | |
| 1940 | - if (isset(self::$instances[$name])) | |
| 1941 | - { | |
| 1942 | - return self::$instances[$name]; | |
| 1943 | - } | |
| 1944 | - | |
| 1945 | - $instance = new static(); | |
| 1946 | - | |
| 1947 | - self::$instances[$name] = $instance; | |
| 1948 | - | |
| 1949 | - return $instance; | |
| 1950 | - } | |
| 1951 | - | |
| 1952 | - private static $instances = array(); | |
| 1953 | - | |
| 1954 | - # | |
| 1955 | - # Fields | |
| 1956 | - # | |
| 1957 | - | |
| 1958 | - protected $DefinitionData; | |
| 1959 | - | |
| 1960 | - # | |
| 1961 | - # Read-Only | |
| 1962 | - | |
| 1963 | - protected $specialCharacters = array( | |
| 1964 | - '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|', '~' | |
| 1965 | - ); | |
| 1966 | - | |
| 1967 | - protected $StrongRegex = array( | |
| 1968 | - '*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*+[*])+?)[*]{2}(?![*])/s', | |
| 1969 | - '_' => '/^__((?:\\\\_|[^_]|_[^_]*+_)+?)__(?!_)/us', | |
| 1970 | - ); | |
| 1971 | - | |
| 1972 | - protected $EmRegex = array( | |
| 1973 | - '*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s', | |
| 1974 | - '_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us', | |
| 1975 | - ); | |
| 1976 | - | |
| 1977 | - protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*+(?:\s*+=\s*+(?:[^"\'=<>`\s]+|"[^"]*+"|\'[^\']*+\'))?+'; | |
| 1978 | - | |
| 1979 | - protected $voidElements = array( | |
| 1980 | - 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source', | |
| 1981 | - ); | |
| 1982 | - | |
| 1983 | - protected $textLevelElements = array( | |
| 1984 | - 'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont', | |
| 1985 | - 'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing', | |
| 1986 | - 'i', 'rp', 'del', 'code', 'strike', 'marquee', | |
| 1987 | - 'q', 'rt', 'ins', 'font', 'strong', | |
| 1988 | - 's', 'tt', 'kbd', 'mark', | |
| 1989 | - 'u', 'xm', 'sub', 'nobr', | |
| 1990 | - 'sup', 'ruby', | |
| 1991 | - 'var', 'span', | |
| 1992 | - 'wbr', 'time', | |
| 1993 | - ); | |
| 1994 | - } | |
| 1 | +<?php | |
| 2 | +if (!defined('ABSPATH')) exit; // Exit if accessed directly | |
| 3 | +# | |
| 4 | +# | |
| 5 | +# Parsedown | |
| 6 | +# http://parsedown.org | |
| 7 | +# | |
| 8 | +# (c) Emanuil Rusev | |
| 9 | +# http://erusev.com | |
| 10 | +# | |
| 11 | +# For the full license information, view the LICENSE file that was distributed | |
| 12 | +# with this source code. | |
| 13 | +# | |
| 14 | +# | |
| 15 | +if(!class_exists('Qcld_Parsedown')){ | |
| 16 | + class Qcld_Parsedown | |
| 17 | + { | |
| 18 | + # ~ | |
| 19 | + | |
| 20 | + const version = '1.8.0-beta-7'; | |
| 21 | + | |
| 22 | + # ~ | |
| 23 | + | |
| 24 | + function text($text) | |
| 25 | + { | |
| 26 | + $Elements = $this->textElements($text); | |
| 27 | + | |
| 28 | + # convert to markup | |
| 29 | + $markup = $this->elements($Elements); | |
| 30 | + | |
| 31 | + # trim line breaks | |
| 32 | + $markup = trim($markup, "\n"); | |
| 33 | + | |
| 34 | + return $markup; | |
| 35 | + } | |
| 36 | + | |
| 37 | + protected function textElements($text) | |
| 38 | + { | |
| 39 | + # make sure no definitions are set | |
| 40 | + $this->DefinitionData = array(); | |
| 41 | + | |
| 42 | + # standardize line breaks | |
| 43 | + $text = str_replace(array("\r\n", "\r"), "\n", $text); | |
| 44 | + | |
| 45 | + # remove surrounding line breaks | |
| 46 | + $text = trim($text, "\n"); | |
| 47 | + | |
| 48 | + # split text into lines | |
| 49 | + $lines = explode("\n", $text); | |
| 50 | + | |
| 51 | + # iterate through lines to identify blocks | |
| 52 | + return $this->linesElements($lines); | |
| 53 | + } | |
| 54 | + | |
| 55 | + # | |
| 56 | + # Setters | |
| 57 | + # | |
| 58 | + | |
| 59 | + function setBreaksEnabled($breaksEnabled) | |
| 60 | + { | |
| 61 | + $this->breaksEnabled = $breaksEnabled; | |
| 62 | + | |
| 63 | + return $this; | |
| 64 | + } | |
| 65 | + | |
| 66 | + protected $breaksEnabled; | |
| 67 | + | |
| 68 | + function setMarkupEscaped($markupEscaped) | |
| 69 | + { | |
| 70 | + $this->markupEscaped = $markupEscaped; | |
| 71 | + | |
| 72 | + return $this; | |
| 73 | + } | |
| 74 | + | |
| 75 | + protected $markupEscaped; | |
| 76 | + | |
| 77 | + function setUrlsLinked($urlsLinked) | |
| 78 | + { | |
| 79 | + $this->urlsLinked = $urlsLinked; | |
| 80 | + | |
| 81 | + return $this; | |
| 82 | + } | |
| 83 | + | |
| 84 | + protected $urlsLinked = true; | |
| 85 | + | |
| 86 | + function setSafeMode($safeMode) | |
| 87 | + { | |
| 88 | + $this->safeMode = (bool) $safeMode; | |
| 89 | + | |
| 90 | + return $this; | |
| 91 | + } | |
| 92 | + | |
| 93 | + protected $safeMode; | |
| 94 | + | |
| 95 | + function setStrictMode($strictMode) | |
| 96 | + { | |
| 97 | + $this->strictMode = (bool) $strictMode; | |
| 98 | + | |
| 99 | + return $this; | |
| 100 | + } | |
| 101 | + | |
| 102 | + protected $strictMode; | |
| 103 | + | |
| 104 | + protected $safeLinksWhitelist = array( | |
| 105 | + 'http://', | |
| 106 | + 'https://', | |
| 107 | + 'ftp://', | |
| 108 | + 'ftps://', | |
| 109 | + 'mailto:', | |
| 110 | + 'tel:', | |
| 111 | + 'data:image/png;base64,', | |
| 112 | + 'data:image/gif;base64,', | |
| 113 | + 'data:image/jpeg;base64,', | |
| 114 | + 'irc:', | |
| 115 | + 'ircs:', | |
| 116 | + 'git:', | |
| 117 | + 'ssh:', | |
| 118 | + 'news:', | |
| 119 | + 'steam:', | |
| 120 | + ); | |
| 121 | + | |
| 122 | + # | |
| 123 | + # Lines | |
| 124 | + # | |
| 125 | + | |
| 126 | + protected $BlockTypes = array( | |
| 127 | + '#' => array('Header'), | |
| 128 | + '*' => array('Rule', 'List'), | |
| 129 | + '+' => array('List'), | |
| 130 | + '-' => array('SetextHeader', 'Table', 'Rule', 'List'), | |
| 131 | + '0' => array('List'), | |
| 132 | + '1' => array('List'), | |
| 133 | + '2' => array('List'), | |
| 134 | + '3' => array('List'), | |
| 135 | + '4' => array('List'), | |
| 136 | + '5' => array('List'), | |
| 137 | + '6' => array('List'), | |
| 138 | + '7' => array('List'), | |
| 139 | + '8' => array('List'), | |
| 140 | + '9' => array('List'), | |
| 141 | + ':' => array('Table'), | |
| 142 | + '<' => array('Comment', 'Markup'), | |
| 143 | + '=' => array('SetextHeader'), | |
| 144 | + '>' => array('Quote'), | |
| 145 | + '[' => array('Reference'), | |
| 146 | + '_' => array('Rule'), | |
| 147 | + '`' => array('FencedCode'), | |
| 148 | + '|' => array('Table'), | |
| 149 | + '~' => array('FencedCode'), | |
| 150 | + ); | |
| 151 | + | |
| 152 | + # ~ | |
| 153 | + | |
| 154 | + protected $unmarkedBlockTypes = array( | |
| 155 | + 'Code', | |
| 156 | + ); | |
| 157 | + | |
| 158 | + # | |
| 159 | + # Blocks | |
| 160 | + # | |
| 161 | + | |
| 162 | + protected function lines(array $lines) | |
| 163 | + { | |
| 164 | + return $this->elements($this->linesElements($lines)); | |
| 165 | + } | |
| 166 | + | |
| 167 | + protected function linesElements(array $lines) | |
| 168 | + { | |
| 169 | + $Elements = array(); | |
| 170 | + $CurrentBlock = null; | |
| 171 | + | |
| 172 | + foreach ($lines as $line) | |
| 173 | + { | |
| 174 | + if (chop($line) === '') | |
| 175 | + { | |
| 176 | + if (isset($CurrentBlock)) | |
| 177 | + { | |
| 178 | + $CurrentBlock['interrupted'] = (isset($CurrentBlock['interrupted']) | |
| 179 | + ? $CurrentBlock['interrupted'] + 1 : 1 | |
| 180 | + ); | |
| 181 | + } | |
| 182 | + | |
| 183 | + continue; | |
| 184 | + } | |
| 185 | + | |
| 186 | + while (($beforeTab = strstr($line, "\t", true)) !== false) | |
| 187 | + { | |
| 188 | + $shortage = 4 - mb_strlen($beforeTab, 'utf-8') % 4; | |
| 189 | + | |
| 190 | + $line = $beforeTab | |
| 191 | + . str_repeat(' ', $shortage) | |
| 192 | + . substr($line, strlen($beforeTab) + 1) | |
| 193 | + ; | |
| 194 | + } | |
| 195 | + | |
| 196 | + $indent = strspn($line, ' '); | |
| 197 | + | |
| 198 | + $text = $indent > 0 ? substr($line, $indent) : $line; | |
| 199 | + | |
| 200 | + # ~ | |
| 201 | + | |
| 202 | + $Line = array('body' => $line, 'indent' => $indent, 'text' => $text); | |
| 203 | + | |
| 204 | + # ~ | |
| 205 | + | |
| 206 | + if (isset($CurrentBlock['continuable'])) | |
| 207 | + { | |
| 208 | + $methodName = 'block' . $CurrentBlock['type'] . 'Continue'; | |
| 209 | + $Block = $this->$methodName($Line, $CurrentBlock); | |
| 210 | + | |
| 211 | + if (isset($Block)) | |
| 212 | + { | |
| 213 | + $CurrentBlock = $Block; | |
| 214 | + | |
| 215 | + continue; | |
| 216 | + } | |
| 217 | + else | |
| 218 | + { | |
| 219 | + if ($this->isBlockCompletable($CurrentBlock['type'])) | |
| 220 | + { | |
| 221 | + $methodName = 'block' . $CurrentBlock['type'] . 'Complete'; | |
| 222 | + $CurrentBlock = $this->$methodName($CurrentBlock); | |
| 223 | + } | |
| 224 | + } | |
| 225 | + } | |
| 226 | + | |
| 227 | + # ~ | |
| 228 | + | |
| 229 | + $marker = $text[0]; | |
| 230 | + | |
| 231 | + # ~ | |
| 232 | + | |
| 233 | + $blockTypes = $this->unmarkedBlockTypes; | |
| 234 | + | |
| 235 | + if (isset($this->BlockTypes[$marker])) | |
| 236 | + { | |
| 237 | + foreach ($this->BlockTypes[$marker] as $blockType) | |
| 238 | + { | |
| 239 | + $blockTypes []= $blockType; | |
| 240 | + } | |
| 241 | + } | |
| 242 | + | |
| 243 | + # | |
| 244 | + # ~ | |
| 245 | + | |
| 246 | + foreach ($blockTypes as $blockType) | |
| 247 | + { | |
| 248 | + $Block = $this->{"block$blockType"}($Line, $CurrentBlock); | |
| 249 | + | |
| 250 | + if (isset($Block)) | |
| 251 | + { | |
| 252 | + $Block['type'] = $blockType; | |
| 253 | + | |
| 254 | + if ( ! isset($Block['identified'])) | |
| 255 | + { | |
| 256 | + if (isset($CurrentBlock)) | |
| 257 | + { | |
| 258 | + $Elements[] = $this->extractElement($CurrentBlock); | |
| 259 | + } | |
| 260 | + | |
| 261 | + $Block['identified'] = true; | |
| 262 | + } | |
| 263 | + | |
| 264 | + if ($this->isBlockContinuable($blockType)) | |
| 265 | + { | |
| 266 | + $Block['continuable'] = true; | |
| 267 | + } | |
| 268 | + | |
| 269 | + $CurrentBlock = $Block; | |
| 270 | + | |
| 271 | + continue 2; | |
| 272 | + } | |
| 273 | + } | |
| 274 | + | |
| 275 | + # ~ | |
| 276 | + | |
| 277 | + if (isset($CurrentBlock) and $CurrentBlock['type'] === 'Paragraph') | |
| 278 | + { | |
| 279 | + $Block = $this->paragraphContinue($Line, $CurrentBlock); | |
| 280 | + } | |
| 281 | + | |
| 282 | + if (isset($Block)) | |
| 283 | + { | |
| 284 | + $CurrentBlock = $Block; | |
| 285 | + } | |
| 286 | + else | |
| 287 | + { | |
| 288 | + if (isset($CurrentBlock)) | |
| 289 | + { | |
| 290 | + $Elements[] = $this->extractElement($CurrentBlock); | |
| 291 | + } | |
| 292 | + | |
| 293 | + $CurrentBlock = $this->paragraph($Line); | |
| 294 | + | |
| 295 | + $CurrentBlock['identified'] = true; | |
| 296 | + } | |
| 297 | + } | |
| 298 | + | |
| 299 | + # ~ | |
| 300 | + | |
| 301 | + if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type'])) | |
| 302 | + { | |
| 303 | + $methodName = 'block' . $CurrentBlock['type'] . 'Complete'; | |
| 304 | + $CurrentBlock = $this->$methodName($CurrentBlock); | |
| 305 | + } | |
| 306 | + | |
| 307 | + # ~ | |
| 308 | + | |
| 309 | + if (isset($CurrentBlock)) | |
| 310 | + { | |
| 311 | + $Elements[] = $this->extractElement($CurrentBlock); | |
| 312 | + } | |
| 313 | + | |
| 314 | + # ~ | |
| 315 | + | |
| 316 | + return $Elements; | |
| 317 | + } | |
| 318 | + | |
| 319 | + protected function extractElement(array $Component) | |
| 320 | + { | |
| 321 | + if ( ! isset($Component['element'])) | |
| 322 | + { | |
| 323 | + if (isset($Component['markup'])) | |
| 324 | + { | |
| 325 | + $Component['element'] = array('rawHtml' => $Component['markup']); | |
| 326 | + } | |
| 327 | + elseif (isset($Component['hidden'])) | |
| 328 | + { | |
| 329 | + $Component['element'] = array(); | |
| 330 | + } | |
| 331 | + } | |
| 332 | + | |
| 333 | + return $Component['element']; | |
| 334 | + } | |
| 335 | + | |
| 336 | + protected function isBlockContinuable($Type) | |
| 337 | + { | |
| 338 | + return method_exists($this, 'block' . $Type . 'Continue'); | |
| 339 | + } | |
| 340 | + | |
| 341 | + protected function isBlockCompletable($Type) | |
| 342 | + { | |
| 343 | + return method_exists($this, 'block' . $Type . 'Complete'); | |
| 344 | + } | |
| 345 | + | |
| 346 | + # | |
| 347 | + # Code | |
| 348 | + | |
| 349 | + protected function blockCode($Line, $Block = null) | |
| 350 | + { | |
| 351 | + if (isset($Block) and $Block['type'] === 'Paragraph' and ! isset($Block['interrupted'])) | |
| 352 | + { | |
| 353 | + return; | |
| 354 | + } | |
| 355 | + | |
| 356 | + if ($Line['indent'] >= 4) | |
| 357 | + { | |
| 358 | + $text = substr($Line['body'], 4); | |
| 359 | + | |
| 360 | + $Block = array( | |
| 361 | + 'element' => array( | |
| 362 | + 'name' => 'pre', | |
| 363 | + 'element' => array( | |
| 364 | + 'name' => 'code', | |
| 365 | + 'text' => $text, | |
| 366 | + ), | |
| 367 | + ), | |
| 368 | + ); | |
| 369 | + | |
| 370 | + return $Block; | |
| 371 | + } | |
| 372 | + } | |
| 373 | + | |
| 374 | + protected function blockCodeContinue($Line, $Block) | |
| 375 | + { | |
| 376 | + if ($Line['indent'] >= 4) | |
| 377 | + { | |
| 378 | + if (isset($Block['interrupted'])) | |
| 379 | + { | |
| 380 | + $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']); | |
| 381 | + | |
| 382 | + unset($Block['interrupted']); | |
| 383 | + } | |
| 384 | + | |
| 385 | + $Block['element']['element']['text'] .= "\n"; | |
| 386 | + | |
| 387 | + $text = substr($Line['body'], 4); | |
| 388 | + | |
| 389 | + $Block['element']['element']['text'] .= $text; | |
| 390 | + | |
| 391 | + return $Block; | |
| 392 | + } | |
| 393 | + } | |
| 394 | + | |
| 395 | + protected function blockCodeComplete($Block) | |
| 396 | + { | |
| 397 | + return $Block; | |
| 398 | + } | |
| 399 | + | |
| 400 | + # | |
| 401 | + # Comment | |
| 402 | + | |
| 403 | + protected function blockComment($Line) | |
| 404 | + { | |
| 405 | + if ($this->markupEscaped or $this->safeMode) | |
| 406 | + { | |
| 407 | + return; | |
| 408 | + } | |
| 409 | + | |
| 410 | + if (strpos($Line['text'], '<!--') === 0) | |
| 411 | + { | |
| 412 | + $Block = array( | |
| 413 | + 'element' => array( | |
| 414 | + 'rawHtml' => $Line['body'], | |
| 415 | + 'autobreak' => true, | |
| 416 | + ), | |
| 417 | + ); | |
| 418 | + | |
| 419 | + if (strpos($Line['text'], '-->') !== false) | |
| 420 | + { | |
| 421 | + $Block['closed'] = true; | |
| 422 | + } | |
| 423 | + | |
| 424 | + return $Block; | |
| 425 | + } | |
| 426 | + } | |
| 427 | + | |
| 428 | + protected function blockCommentContinue($Line, array $Block) | |
| 429 | + { | |
| 430 | + if (isset($Block['closed'])) | |
| 431 | + { | |
| 432 | + return; | |
| 433 | + } | |
| 434 | + | |
| 435 | + $Block['element']['rawHtml'] .= "\n" . $Line['body']; | |
| 436 | + | |
| 437 | + if (strpos($Line['text'], '-->') !== false) | |
| 438 | + { | |
| 439 | + $Block['closed'] = true; | |
| 440 | + } | |
| 441 | + | |
| 442 | + return $Block; | |
| 443 | + } | |
| 444 | + | |
| 445 | + # | |
| 446 | + # Fenced Code | |
| 447 | + | |
| 448 | + protected function blockFencedCode($Line) | |
| 449 | + { | |
| 450 | + $marker = $Line['text'][0]; | |
| 451 | + | |
| 452 | + $openerLength = strspn($Line['text'], $marker); | |
| 453 | + | |
| 454 | + if ($openerLength < 3) | |
| 455 | + { | |
| 456 | + return; | |
| 457 | + } | |
| 458 | + | |
| 459 | + $infostring = trim(substr($Line['text'], $openerLength), "\t "); | |
| 460 | + | |
| 461 | + if (strpos($infostring, '`') !== false) | |
| 462 | + { | |
| 463 | + return; | |
| 464 | + } | |
| 465 | + | |
| 466 | + $Element = array( | |
| 467 | + 'name' => 'code', | |
| 468 | + 'text' => '', | |
| 469 | + ); | |
| 470 | + | |
| 471 | + if ($infostring !== '') | |
| 472 | + { | |
| 473 | + /** | |
| 474 | + * https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes | |
| 475 | + * Every HTML element may have a class attribute specified. | |
| 476 | + * The attribute, if specified, must have a value that is a set | |
| 477 | + * of space-separated tokens representing the various classes | |
| 478 | + * that the element belongs to. | |
| 479 | + * [...] | |
| 480 | + * The space characters, for the purposes of this specification, | |
| 481 | + * are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab), | |
| 482 | + * U+000A LINE FEED (LF), U+000C FORM FEED (FF), and | |
| 483 | + * U+000D CARRIAGE RETURN (CR). | |
| 484 | + */ | |
| 485 | + $language = substr($infostring, 0, strcspn($infostring, " \t\n\f\r")); | |
| 486 | + | |
| 487 | + $Element['attributes'] = array('class' => "language-$language"); | |
| 488 | + } | |
| 489 | + | |
| 490 | + $Block = array( | |
| 491 | + 'char' => $marker, | |
| 492 | + 'openerLength' => $openerLength, | |
| 493 | + 'element' => array( | |
| 494 | + 'name' => 'pre', | |
| 495 | + 'element' => $Element, | |
| 496 | + ), | |
| 497 | + ); | |
| 498 | + | |
| 499 | + return $Block; | |
| 500 | + } | |
| 501 | + | |
| 502 | + protected function blockFencedCodeContinue($Line, $Block) | |
| 503 | + { | |
| 504 | + if (isset($Block['complete'])) | |
| 505 | + { | |
| 506 | + return; | |
| 507 | + } | |
| 508 | + | |
| 509 | + if (isset($Block['interrupted'])) | |
| 510 | + { | |
| 511 | + $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']); | |
| 512 | + | |
| 513 | + unset($Block['interrupted']); | |
| 514 | + } | |
| 515 | + | |
| 516 | + if (($len = strspn($Line['text'], $Block['char'])) >= $Block['openerLength'] | |
| 517 | + and chop(substr($Line['text'], $len), ' ') === '' | |
| 518 | + ) { | |
| 519 | + $Block['element']['element']['text'] = substr($Block['element']['element']['text'], 1); | |
| 520 | + | |
| 521 | + $Block['complete'] = true; | |
| 522 | + | |
| 523 | + return $Block; | |
| 524 | + } | |
| 525 | + | |
| 526 | + $Block['element']['element']['text'] .= "\n" . $Line['body']; | |
| 527 | + | |
| 528 | + return $Block; | |
| 529 | + } | |
| 530 | + | |
| 531 | + protected function blockFencedCodeComplete($Block) | |
| 532 | + { | |
| 533 | + return $Block; | |
| 534 | + } | |
| 535 | + | |
| 536 | + # | |
| 537 | + # Header | |
| 538 | + | |
| 539 | + protected function blockHeader($Line) | |
| 540 | + { | |
| 541 | + $level = strspn($Line['text'], '#'); | |
| 542 | + | |
| 543 | + if ($level > 6) | |
| 544 | + { | |
| 545 | + return; | |
| 546 | + } | |
| 547 | + | |
| 548 | + $text = trim($Line['text'], '#'); | |
| 549 | + | |
| 550 | + if ($this->strictMode and isset($text[0]) and $text[0] !== ' ') | |
| 551 | + { | |
| 552 | + return; | |
| 553 | + } | |
| 554 | + | |
| 555 | + $text = trim($text, ' '); | |
| 556 | + | |
| 557 | + $Block = array( | |
| 558 | + 'element' => array( | |
| 559 | + 'name' => 'h' . $level, | |
| 560 | + 'handler' => array( | |
| 561 | + 'function' => 'lineElements', | |
| 562 | + 'argument' => $text, | |
| 563 | + 'destination' => 'elements', | |
| 564 | + ) | |
| 565 | + ), | |
| 566 | + ); | |
| 567 | + | |
| 568 | + return $Block; | |
| 569 | + } | |
| 570 | + | |
| 571 | + # | |
| 572 | + # List | |
| 573 | + | |
| 574 | + protected function blockList($Line, ?array $CurrentBlock = null) | |
| 575 | + { | |
| 576 | + list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}+[.\)]'); | |
| 577 | + | |
| 578 | + if (preg_match('/^('.$pattern.'([ ]++|$))(.*+)/', $Line['text'], $matches)) | |
| 579 | + { | |
| 580 | + $contentIndent = strlen($matches[2]); | |
| 581 | + | |
| 582 | + if ($contentIndent >= 5) | |
| 583 | + { | |
| 584 | + $contentIndent -= 1; | |
| 585 | + $matches[1] = substr($matches[1], 0, -$contentIndent); | |
| 586 | + $matches[3] = str_repeat(' ', $contentIndent) . $matches[3]; | |
| 587 | + } | |
| 588 | + elseif ($contentIndent === 0) | |
| 589 | + { | |
| 590 | + $matches[1] .= ' '; | |
| 591 | + } | |
| 592 | + | |
| 593 | + $markerWithoutWhitespace = strstr($matches[1], ' ', true); | |
| 594 | + | |
| 595 | + $Block = array( | |
| 596 | + 'indent' => $Line['indent'], | |
| 597 | + 'pattern' => $pattern, | |
| 598 | + 'data' => array( | |
| 599 | + 'type' => $name, | |
| 600 | + 'marker' => $matches[1], | |
| 601 | + 'markerType' => ($name === 'ul' ? $markerWithoutWhitespace : substr($markerWithoutWhitespace, -1)), | |
| 602 | + ), | |
| 603 | + 'element' => array( | |
| 604 | + 'name' => $name, | |
| 605 | + 'elements' => array(), | |
| 606 | + ), | |
| 607 | + ); | |
| 608 | + $Block['data']['markerTypeRegex'] = preg_quote($Block['data']['markerType'], '/'); | |
| 609 | + | |
| 610 | + if ($name === 'ol') | |
| 611 | + { | |
| 612 | + $listStart = ltrim(strstr($matches[1], $Block['data']['markerType'], true), '0') ?: '0'; | |
| 613 | + | |
| 614 | + if ($listStart !== '1') | |
| 615 | + { | |
| 616 | + if ( | |
| 617 | + isset($CurrentBlock) | |
| 618 | + and $CurrentBlock['type'] === 'Paragraph' | |
| 619 | + and ! isset($CurrentBlock['interrupted']) | |
| 620 | + ) { | |
| 621 | + return; | |
| 622 | + } | |
| 623 | + | |
| 624 | + $Block['element']['attributes'] = array('start' => $listStart); | |
| 625 | + } | |
| 626 | + } | |
| 627 | + | |
| 628 | + $Block['li'] = array( | |
| 629 | + 'name' => 'li', | |
| 630 | + 'handler' => array( | |
| 631 | + 'function' => 'li', | |
| 632 | + 'argument' => !empty($matches[3]) ? array($matches[3]) : array(), | |
| 633 | + 'destination' => 'elements' | |
| 634 | + ) | |
| 635 | + ); | |
| 636 | + | |
| 637 | + $Block['element']['elements'] []= & $Block['li']; | |
| 638 | + | |
| 639 | + return $Block; | |
| 640 | + } | |
| 641 | + } | |
| 642 | + | |
| 643 | + protected function blockListContinue($Line, array $Block) | |
| 644 | + { | |
| 645 | + if (isset($Block['interrupted']) and empty($Block['li']['handler']['argument'])) | |
| 646 | + { | |
| 647 | + return null; | |
| 648 | + } | |
| 649 | + | |
| 650 | + $requiredIndent = ($Block['indent'] + strlen($Block['data']['marker'])); | |
| 651 | + | |
| 652 | + if ($Line['indent'] < $requiredIndent | |
| 653 | + and ( | |
| 654 | + ( | |
| 655 | + $Block['data']['type'] === 'ol' | |
| 656 | + and preg_match('/^[0-9]++'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches) | |
| 657 | + ) or ( | |
| 658 | + $Block['data']['type'] === 'ul' | |
| 659 | + and preg_match('/^'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches) | |
| 660 | + ) | |
| 661 | + ) | |
| 662 | + ) { | |
| 663 | + if (isset($Block['interrupted'])) | |
| 664 | + { | |
| 665 | + $Block['li']['handler']['argument'] []= ''; | |
| 666 | + | |
| 667 | + $Block['loose'] = true; | |
| 668 | + | |
| 669 | + unset($Block['interrupted']); | |
| 670 | + } | |
| 671 | + | |
| 672 | + unset($Block['li']); | |
| 673 | + | |
| 674 | + $text = isset($matches[1]) ? $matches[1] : ''; | |
| 675 | + | |
| 676 | + $Block['indent'] = $Line['indent']; | |
| 677 | + | |
| 678 | + $Block['li'] = array( | |
| 679 | + 'name' => 'li', | |
| 680 | + 'handler' => array( | |
| 681 | + 'function' => 'li', | |
| 682 | + 'argument' => array($text), | |
| 683 | + 'destination' => 'elements' | |
| 684 | + ) | |
| 685 | + ); | |
| 686 | + | |
| 687 | + $Block['element']['elements'] []= & $Block['li']; | |
| 688 | + | |
| 689 | + return $Block; | |
| 690 | + } | |
| 691 | + elseif ($Line['indent'] < $requiredIndent and $this->blockList($Line)) | |
| 692 | + { | |
| 693 | + return null; | |
| 694 | + } | |
| 695 | + | |
| 696 | + if ($Line['text'][0] === '[' and $this->blockReference($Line)) | |
| 697 | + { | |
| 698 | + return $Block; | |
| 699 | + } | |
| 700 | + | |
| 701 | + if ($Line['indent'] >= $requiredIndent) | |
| 702 | + { | |
| 703 | + if (isset($Block['interrupted'])) | |
| 704 | + { | |
| 705 | + $Block['li']['handler']['argument'] []= ''; | |
| 706 | + | |
| 707 | + $Block['loose'] = true; | |
| 708 | + | |
| 709 | + unset($Block['interrupted']); | |
| 710 | + } | |
| 711 | + | |
| 712 | + $text = substr($Line['body'], $requiredIndent); | |
| 713 | + | |
| 714 | + $Block['li']['handler']['argument'] []= $text; | |
| 715 | + | |
| 716 | + return $Block; | |
| 717 | + } | |
| 718 | + | |
| 719 | + if ( ! isset($Block['interrupted'])) | |
| 720 | + { | |
| 721 | + $text = preg_replace('/^[ ]{0,'.$requiredIndent.'}+/', '', $Line['body']); | |
| 722 | + | |
| 723 | + $Block['li']['handler']['argument'] []= $text; | |
| 724 | + | |
| 725 | + return $Block; | |
| 726 | + } | |
| 727 | + } | |
| 728 | + | |
| 729 | + protected function blockListComplete(array $Block) | |
| 730 | + { | |
| 731 | + if (isset($Block['loose'])) | |
| 732 | + { | |
| 733 | + foreach ($Block['element']['elements'] as &$li) | |
| 734 | + { | |
| 735 | + if (end($li['handler']['argument']) !== '') | |
| 736 | + { | |
| 737 | + $li['handler']['argument'] []= ''; | |
| 738 | + } | |
| 739 | + } | |
| 740 | + } | |
| 741 | + | |
| 742 | + return $Block; | |
| 743 | + } | |
| 744 | + | |
| 745 | + # | |
| 746 | + # Quote | |
| 747 | + | |
| 748 | + protected function blockQuote($Line) | |
| 749 | + { | |
| 750 | + if (preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) | |
| 751 | + { | |
| 752 | + $Block = array( | |
| 753 | + 'element' => array( | |
| 754 | + 'name' => 'blockquote', | |
| 755 | + 'handler' => array( | |
| 756 | + 'function' => 'linesElements', | |
| 757 | + 'argument' => (array) $matches[1], | |
| 758 | + 'destination' => 'elements', | |
| 759 | + ) | |
| 760 | + ), | |
| 761 | + ); | |
| 762 | + | |
| 763 | + return $Block; | |
| 764 | + } | |
| 765 | + } | |
| 766 | + | |
| 767 | + protected function blockQuoteContinue($Line, array $Block) | |
| 768 | + { | |
| 769 | + if (isset($Block['interrupted'])) | |
| 770 | + { | |
| 771 | + return; | |
| 772 | + } | |
| 773 | + | |
| 774 | + if ($Line['text'][0] === '>' and preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches)) | |
| 775 | + { | |
| 776 | + $Block['element']['handler']['argument'] []= $matches[1]; | |
| 777 | + | |
| 778 | + return $Block; | |
| 779 | + } | |
| 780 | + | |
| 781 | + if ( ! isset($Block['interrupted'])) | |
| 782 | + { | |
| 783 | + $Block['element']['handler']['argument'] []= $Line['text']; | |
| 784 | + | |
| 785 | + return $Block; | |
| 786 | + } | |
| 787 | + } | |
| 788 | + | |
| 789 | + # | |
| 790 | + # Rule | |
| 791 | + | |
| 792 | + protected function blockRule($Line) | |
| 793 | + { | |
| 794 | + $marker = $Line['text'][0]; | |
| 795 | + | |
| 796 | + if (substr_count($Line['text'], $marker) >= 3 and chop($Line['text'], " $marker") === '') | |
| 797 | + { | |
| 798 | + $Block = array( | |
| 799 | + 'element' => array( | |
| 800 | + 'name' => 'hr', | |
| 801 | + ), | |
| 802 | + ); | |
| 803 | + | |
| 804 | + return $Block; | |
| 805 | + } | |
| 806 | + } | |
| 807 | + | |
| 808 | + # | |
| 809 | + # Setext | |
| 810 | + | |
| 811 | + protected function blockSetextHeader($Line, ?array $Block = null) | |
| 812 | + { | |
| 813 | + if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) | |
| 814 | + { | |
| 815 | + return; | |
| 816 | + } | |
| 817 | + | |
| 818 | + if ($Line['indent'] < 4 and chop(chop($Line['text'], ' '), $Line['text'][0]) === '') | |
| 819 | + { | |
| 820 | + $Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2'; | |
| 821 | + | |
| 822 | + return $Block; | |
| 823 | + } | |
| 824 | + } | |
| 825 | + | |
| 826 | + # | |
| 827 | + # Markup | |
| 828 | + | |
| 829 | + protected function blockMarkup($Line) | |
| 830 | + { | |
| 831 | + if ($this->markupEscaped or $this->safeMode) | |
| 832 | + { | |
| 833 | + return; | |
| 834 | + } | |
| 835 | + | |
| 836 | + if (preg_match('/^<[\/]?+(\w*)(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+(\/)?>/', $Line['text'], $matches)) | |
| 837 | + { | |
| 838 | + $element = strtolower($matches[1]); | |
| 839 | + | |
| 840 | + if (in_array($element, $this->textLevelElements)) | |
| 841 | + { | |
| 842 | + return; | |
| 843 | + } | |
| 844 | + | |
| 845 | + $Block = array( | |
| 846 | + 'name' => $matches[1], | |
| 847 | + 'element' => array( | |
| 848 | + 'rawHtml' => $Line['text'], | |
| 849 | + 'autobreak' => true, | |
| 850 | + ), | |
| 851 | + ); | |
| 852 | + | |
| 853 | + return $Block; | |
| 854 | + } | |
| 855 | + } | |
| 856 | + | |
| 857 | + protected function blockMarkupContinue($Line, array $Block) | |
| 858 | + { | |
| 859 | + if (isset($Block['closed']) or isset($Block['interrupted'])) | |
| 860 | + { | |
| 861 | + return; | |
| 862 | + } | |
| 863 | + | |
| 864 | + $Block['element']['rawHtml'] .= "\n" . $Line['body']; | |
| 865 | + | |
| 866 | + return $Block; | |
| 867 | + } | |
| 868 | + | |
| 869 | + # | |
| 870 | + # Reference | |
| 871 | + | |
| 872 | + protected function blockReference($Line) | |
| 873 | + { | |
| 874 | + if (strpos($Line['text'], ']') !== false | |
| 875 | + and preg_match('/^\[(.+?)\]:[ ]*+<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/', $Line['text'], $matches) | |
| 876 | + ) { | |
| 877 | + $id = strtolower($matches[1]); | |
| 878 | + | |
| 879 | + $Data = array( | |
| 880 | + 'url' => $matches[2], | |
| 881 | + 'title' => isset($matches[3]) ? $matches[3] : null, | |
| 882 | + ); | |
| 883 | + | |
| 884 | + $this->DefinitionData['Reference'][$id] = $Data; | |
| 885 | + | |
| 886 | + $Block = array( | |
| 887 | + 'element' => array(), | |
| 888 | + ); | |
| 889 | + | |
| 890 | + return $Block; | |
| 891 | + } | |
| 892 | + } | |
| 893 | + | |
| 894 | + # | |
| 895 | + # Table | |
| 896 | + | |
| 897 | + protected function blockTable($Line, ?array $Block = null) | |
| 898 | + { | |
| 899 | + if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted'])) | |
| 900 | + { | |
| 901 | + return; | |
| 902 | + } | |
| 903 | + | |
| 904 | + if ( | |
| 905 | + strpos($Block['element']['handler']['argument'], '|') === false | |
| 906 | + and strpos($Line['text'], '|') === false | |
| 907 | + and strpos($Line['text'], ':') === false | |
| 908 | + or strpos($Block['element']['handler']['argument'], "\n") !== false | |
| 909 | + ) { | |
| 910 | + return; | |
| 911 | + } | |
| 912 | + | |
| 913 | + if (chop($Line['text'], ' -:|') !== '') | |
| 914 | + { | |
| 915 | + return; | |
| 916 | + } | |
| 917 | + | |
| 918 | + $alignments = array(); | |
| 919 | + | |
| 920 | + $divider = $Line['text']; | |
| 921 | + | |
| 922 | + $divider = trim($divider); | |
| 923 | + $divider = trim($divider, '|'); | |
| 924 | + | |
| 925 | + $dividerCells = explode('|', $divider); | |
| 926 | + | |
| 927 | + foreach ($dividerCells as $dividerCell) | |
| 928 | + { | |
| 929 | + $dividerCell = trim($dividerCell); | |
| 930 | + | |
| 931 | + if ($dividerCell === '') | |
| 932 | + { | |
| 933 | + return; | |
| 934 | + } | |
| 935 | + | |
| 936 | + $alignment = null; | |
| 937 | + | |
| 938 | + if ($dividerCell[0] === ':') | |
| 939 | + { | |
| 940 | + $alignment = 'left'; | |
| 941 | + } | |
| 942 | + | |
| 943 | + if (substr($dividerCell, - 1) === ':') | |
| 944 | + { | |
| 945 | + $alignment = $alignment === 'left' ? 'center' : 'right'; | |
| 946 | + } | |
| 947 | + | |
| 948 | + $alignments []= $alignment; | |
| 949 | + } | |
| 950 | + | |
| 951 | + # ~ | |
| 952 | + | |
| 953 | + $HeaderElements = array(); | |
| 954 | + | |
| 955 | + $header = $Block['element']['handler']['argument']; | |
| 956 | + | |
| 957 | + $header = trim($header); | |
| 958 | + $header = trim($header, '|'); | |
| 959 | + | |
| 960 | + $headerCells = explode('|', $header); | |
| 961 | + | |
| 962 | + if (count($headerCells) !== count($alignments)) | |
| 963 | + { | |
| 964 | + return; | |
| 965 | + } | |
| 966 | + | |
| 967 | + foreach ($headerCells as $index => $headerCell) | |
| 968 | + { | |
| 969 | + $headerCell = trim($headerCell); | |
| 970 | + | |
| 971 | + $HeaderElement = array( | |
| 972 | + 'name' => 'th', | |
| 973 | + 'handler' => array( | |
| 974 | + 'function' => 'lineElements', | |
| 975 | + 'argument' => $headerCell, | |
| 976 | + 'destination' => 'elements', | |
| 977 | + ) | |
| 978 | + ); | |
| 979 | + | |
| 980 | + if (isset($alignments[$index])) | |
| 981 | + { | |
| 982 | + $alignment = $alignments[$index]; | |
| 983 | + | |
| 984 | + $HeaderElement['attributes'] = array( | |
| 985 | + 'style' => "text-align: $alignment;", | |
| 986 | + ); | |
| 987 | + } | |
| 988 | + | |
| 989 | + $HeaderElements []= $HeaderElement; | |
| 990 | + } | |
| 991 | + | |
| 992 | + # ~ | |
| 993 | + | |
| 994 | + $Block = array( | |
| 995 | + 'alignments' => $alignments, | |
| 996 | + 'identified' => true, | |
| 997 | + 'element' => array( | |
| 998 | + 'name' => 'table', | |
| 999 | + 'elements' => array(), | |
| 1000 | + ), | |
| 1001 | + ); | |
| 1002 | + | |
| 1003 | + $Block['element']['elements'] []= array( | |
| 1004 | + 'name' => 'thead', | |
| 1005 | + ); | |
| 1006 | + | |
| 1007 | + $Block['element']['elements'] []= array( | |
| 1008 | + 'name' => 'tbody', | |
| 1009 | + 'elements' => array(), | |
| 1010 | + ); | |
| 1011 | + | |
| 1012 | + $Block['element']['elements'][0]['elements'] []= array( | |
| 1013 | + 'name' => 'tr', | |
| 1014 | + 'elements' => $HeaderElements, | |
| 1015 | + ); | |
| 1016 | + | |
| 1017 | + return $Block; | |
| 1018 | + } | |
| 1019 | + | |
| 1020 | + protected function blockTableContinue($Line, array $Block) | |
| 1021 | + { | |
| 1022 | + if (isset($Block['interrupted'])) | |
| 1023 | + { | |
| 1024 | + return; | |
| 1025 | + } | |
| 1026 | + | |
| 1027 | + if (count($Block['alignments']) === 1 or $Line['text'][0] === '|' or strpos($Line['text'], '|')) | |
| 1028 | + { | |
| 1029 | + $Elements = array(); | |
| 1030 | + | |
| 1031 | + $row = $Line['text']; | |
| 1032 | + | |
| 1033 | + $row = trim($row); | |
| 1034 | + $row = trim($row, '|'); | |
| 1035 | + | |
| 1036 | + preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]++`|`)++/', $row, $matches); | |
| 1037 | + | |
| 1038 | + $cells = array_slice($matches[0], 0, count($Block['alignments'])); | |
| 1039 | + | |
| 1040 | + foreach ($cells as $index => $cell) | |
| 1041 | + { | |
| 1042 | + $cell = trim($cell); | |
| 1043 | + | |
| 1044 | + $Element = array( | |
| 1045 | + 'name' => 'td', | |
| 1046 | + 'handler' => array( | |
| 1047 | + 'function' => 'lineElements', | |
| 1048 | + 'argument' => $cell, | |
| 1049 | + 'destination' => 'elements', | |
| 1050 | + ) | |
| 1051 | + ); | |
| 1052 | + | |
| 1053 | + if (isset($Block['alignments'][$index])) | |
| 1054 | + { | |
| 1055 | + $Element['attributes'] = array( | |
| 1056 | + 'style' => 'text-align: ' . $Block['alignments'][$index] . ';', | |
| 1057 | + ); | |
| 1058 | + } | |
| 1059 | + | |
| 1060 | + $Elements []= $Element; | |
| 1061 | + } | |
| 1062 | + | |
| 1063 | + $Element = array( | |
| 1064 | + 'name' => 'tr', | |
| 1065 | + 'elements' => $Elements, | |
| 1066 | + ); | |
| 1067 | + | |
| 1068 | + $Block['element']['elements'][1]['elements'] []= $Element; | |
| 1069 | + | |
| 1070 | + return $Block; | |
| 1071 | + } | |
| 1072 | + } | |
| 1073 | + | |
| 1074 | + # | |
| 1075 | + # ~ | |
| 1076 | + # | |
| 1077 | + | |
| 1078 | + protected function paragraph($Line) | |
| 1079 | + { | |
| 1080 | + return array( | |
| 1081 | + 'type' => 'Paragraph', | |
| 1082 | + 'element' => array( | |
| 1083 | + 'name' => 'p', | |
| 1084 | + 'handler' => array( | |
| 1085 | + 'function' => 'lineElements', | |
| 1086 | + 'argument' => $Line['text'], | |
| 1087 | + 'destination' => 'elements', | |
| 1088 | + ), | |
| 1089 | + ), | |
| 1090 | + ); | |
| 1091 | + } | |
| 1092 | + | |
| 1093 | + protected function paragraphContinue($Line, array $Block) | |
| 1094 | + { | |
| 1095 | + if (isset($Block['interrupted'])) | |
| 1096 | + { | |
| 1097 | + return; | |
| 1098 | + } | |
| 1099 | + | |
| 1100 | + $Block['element']['handler']['argument'] .= "\n".$Line['text']; | |
| 1101 | + | |
| 1102 | + return $Block; | |
| 1103 | + } | |
| 1104 | + | |
| 1105 | + # | |
| 1106 | + # Inline Elements | |
| 1107 | + # | |
| 1108 | + | |
| 1109 | + protected $InlineTypes = array( | |
| 1110 | + '!' => array('Image'), | |
| 1111 | + '&' => array('SpecialCharacter'), | |
| 1112 | + '*' => array('Emphasis'), | |
| 1113 | + ':' => array('Url'), | |
| 1114 | + '<' => array('UrlTag', 'EmailTag', 'Markup'), | |
| 1115 | + '[' => array('Link'), | |
| 1116 | + '_' => array('Emphasis'), | |
| 1117 | + '`' => array('Code'), | |
| 1118 | + '~' => array('Strikethrough'), | |
| 1119 | + '\\' => array('EscapeSequence'), | |
| 1120 | + ); | |
| 1121 | + | |
| 1122 | + # ~ | |
| 1123 | + | |
| 1124 | + protected $inlineMarkerList = '!*_&[:<`~\\'; | |
| 1125 | + | |
| 1126 | + # | |
| 1127 | + # ~ | |
| 1128 | + # | |
| 1129 | + | |
| 1130 | + public function line($text, $nonNestables = array()) | |
| 1131 | + { | |
| 1132 | + return $this->elements($this->lineElements($text, $nonNestables)); | |
| 1133 | + } | |
| 1134 | + | |
| 1135 | + protected function lineElements($text, $nonNestables = array()) | |
| 1136 | + { | |
| 1137 | + # standardize line breaks | |
| 1138 | + $text = str_replace(array("\r\n", "\r"), "\n", $text); | |
| 1139 | + | |
| 1140 | + $Elements = array(); | |
| 1141 | + | |
| 1142 | + $nonNestables = (empty($nonNestables) | |
| 1143 | + ? array() | |
| 1144 | + : array_combine($nonNestables, $nonNestables) | |
| 1145 | + ); | |
| 1146 | + | |
| 1147 | + # $excerpt is based on the first occurrence of a marker | |
| 1148 | + | |
| 1149 | + while ($excerpt = strpbrk($text, $this->inlineMarkerList)) | |
| 1150 | + { | |
| 1151 | + $marker = $excerpt[0]; | |
| 1152 | + | |
| 1153 | + $markerPosition = strlen($text) - strlen($excerpt); | |
| 1154 | + | |
| 1155 | + $Excerpt = array('text' => $excerpt, 'context' => $text); | |
| 1156 | + | |
| 1157 | + foreach ($this->InlineTypes[$marker] as $inlineType) | |
| 1158 | + { | |
| 1159 | + # check to see if the current inline type is nestable in the current context | |
| 1160 | + | |
| 1161 | + if (isset($nonNestables[$inlineType])) | |
| 1162 | + { | |
| 1163 | + continue; | |
| 1164 | + } | |
| 1165 | + | |
| 1166 | + $Inline = $this->{"inline$inlineType"}($Excerpt); | |
| 1167 | + | |
| 1168 | + if ( ! isset($Inline)) | |
| 1169 | + { | |
| 1170 | + continue; | |
| 1171 | + } | |
| 1172 | + | |
| 1173 | + # makes sure that the inline belongs to "our" marker | |
| 1174 | + | |
| 1175 | + if (isset($Inline['position']) and $Inline['position'] > $markerPosition) | |
| 1176 | + { | |
| 1177 | + continue; | |
| 1178 | + } | |
| 1179 | + | |
| 1180 | + # sets a default inline position | |
| 1181 | + | |
| 1182 | + if ( ! isset($Inline['position'])) | |
| 1183 | + { | |
| 1184 | + $Inline['position'] = $markerPosition; | |
| 1185 | + } | |
| 1186 | + | |
| 1187 | + # cause the new element to 'inherit' our non nestables | |
| 1188 | + | |
| 1189 | + | |
| 1190 | + $Inline['element']['nonNestables'] = isset($Inline['element']['nonNestables']) | |
| 1191 | + ? array_merge($Inline['element']['nonNestables'], $nonNestables) | |
| 1192 | + : $nonNestables | |
| 1193 | + ; | |
| 1194 | + | |
| 1195 | + # the text that comes before the inline | |
| 1196 | + $unmarkedText = substr($text, 0, $Inline['position']); | |
| 1197 | + | |
| 1198 | + # compile the unmarked text | |
| 1199 | + $InlineText = $this->inlineText($unmarkedText); | |
| 1200 | + $Elements[] = $InlineText['element']; | |
| 1201 | + | |
| 1202 | + # compile the inline | |
| 1203 | + $Elements[] = $this->extractElement($Inline); | |
| 1204 | + | |
| 1205 | + # remove the examined text | |
| 1206 | + $text = substr($text, $Inline['position'] + $Inline['extent']); | |
| 1207 | + | |
| 1208 | + continue 2; | |
| 1209 | + } | |
| 1210 | + | |
| 1211 | + # the marker does not belong to an inline | |
| 1212 | + | |
| 1213 | + $unmarkedText = substr($text, 0, $markerPosition + 1); | |
| 1214 | + | |
| 1215 | + $InlineText = $this->inlineText($unmarkedText); | |
| 1216 | + $Elements[] = $InlineText['element']; | |
| 1217 | + | |
| 1218 | + $text = substr($text, $markerPosition + 1); | |
| 1219 | + } | |
| 1220 | + | |
| 1221 | + $InlineText = $this->inlineText($text); | |
| 1222 | + $Elements[] = $InlineText['element']; | |
| 1223 | + | |
| 1224 | + foreach ($Elements as &$Element) | |
| 1225 | + { | |
| 1226 | + if ( ! isset($Element['autobreak'])) | |
| 1227 | + { | |
| 1228 | + $Element['autobreak'] = false; | |
| 1229 | + } | |
| 1230 | + } | |
| 1231 | + | |
| 1232 | + return $Elements; | |
| 1233 | + } | |
| 1234 | + | |
| 1235 | + # | |
| 1236 | + # ~ | |
| 1237 | + # | |
| 1238 | + | |
| 1239 | + protected function inlineText($text) | |
| 1240 | + { | |
| 1241 | + $Inline = array( | |
| 1242 | + 'extent' => strlen($text), | |
| 1243 | + 'element' => array(), | |
| 1244 | + ); | |
| 1245 | + | |
| 1246 | + $Inline['element']['elements'] = self::pregReplaceElements( | |
| 1247 | + $this->breaksEnabled ? '/[ ]*+\n/' : '/(?:[ ]*+\\\\|[ ]{2,}+)\n/', | |
| 1248 | + array( | |
| 1249 | + array('name' => 'br'), | |
| 1250 | + array('text' => "\n"), | |
| 1251 | + ), | |
| 1252 | + $text | |
| 1253 | + ); | |
| 1254 | + | |
| 1255 | + return $Inline; | |
| 1256 | + } | |
| 1257 | + | |
| 1258 | + protected function inlineCode($Excerpt) | |
| 1259 | + { | |
| 1260 | + $marker = $Excerpt['text'][0]; | |
| 1261 | + | |
| 1262 | + if (preg_match('/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s', $Excerpt['text'], $matches)) | |
| 1263 | + { | |
| 1264 | + $text = $matches[2]; | |
| 1265 | + $text = preg_replace('/[ ]*+\n/', ' ', $text); | |
| 1266 | + | |
| 1267 | + return array( | |
| 1268 | + 'extent' => strlen($matches[0]), | |
| 1269 | + 'element' => array( | |
| 1270 | + 'name' => 'code', | |
| 1271 | + 'text' => $text, | |
| 1272 | + ), | |
| 1273 | + ); | |
| 1274 | + } | |
| 1275 | + } | |
| 1276 | + | |
| 1277 | + protected function inlineEmailTag($Excerpt) | |
| 1278 | + { | |
| 1279 | + $hostnameLabel = '[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?'; | |
| 1280 | + | |
| 1281 | + $commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]++@' | |
| 1282 | + . $hostnameLabel . '(?:\.' . $hostnameLabel . ')*'; | |
| 1283 | + | |
| 1284 | + if (strpos($Excerpt['text'], '>') !== false | |
| 1285 | + and preg_match("/^<((mailto:)?$commonMarkEmail)>/i", $Excerpt['text'], $matches) | |
| 1286 | + ){ | |
| 1287 | + $url = $matches[1]; | |
| 1288 | + | |
| 1289 | + if ( ! isset($matches[2])) | |
| 1290 | + { | |
| 1291 | + $url = "mailto:$url"; | |
| 1292 | + } | |
| 1293 | + | |
| 1294 | + return array( | |
| 1295 | + 'extent' => strlen($matches[0]), | |
| 1296 | + 'element' => array( | |
| 1297 | + 'name' => 'a', | |
| 1298 | + 'text' => $matches[1], | |
| 1299 | + 'attributes' => array( | |
| 1300 | + 'href' => $url, | |
| 1301 | + ), | |
| 1302 | + ), | |
| 1303 | + ); | |
| 1304 | + } | |
| 1305 | + } | |
| 1306 | + | |
| 1307 | + protected function inlineEmphasis($Excerpt) | |
| 1308 | + { | |
| 1309 | + if ( ! isset($Excerpt['text'][1])) | |
| 1310 | + { | |
| 1311 | + return; | |
| 1312 | + } | |
| 1313 | + | |
| 1314 | + $marker = $Excerpt['text'][0]; | |
| 1315 | + | |
| 1316 | + if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches)) | |
| 1317 | + { | |
| 1318 | + $emphasis = 'strong'; | |
| 1319 | + } | |
| 1320 | + elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches)) | |
| 1321 | + { | |
| 1322 | + $emphasis = 'em'; | |
| 1323 | + } | |
| 1324 | + else | |
| 1325 | + { | |
| 1326 | + return; | |
| 1327 | + } | |
| 1328 | + | |
| 1329 | + return array( | |
| 1330 | + 'extent' => strlen($matches[0]), | |
| 1331 | + 'element' => array( | |
| 1332 | + 'name' => $emphasis, | |
| 1333 | + 'handler' => array( | |
| 1334 | + 'function' => 'lineElements', | |
| 1335 | + 'argument' => $matches[1], | |
| 1336 | + 'destination' => 'elements', | |
| 1337 | + ) | |
| 1338 | + ), | |
| 1339 | + ); | |
| 1340 | + } | |
| 1341 | + | |
| 1342 | + protected function inlineEscapeSequence($Excerpt) | |
| 1343 | + { | |
| 1344 | + if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters)) | |
| 1345 | + { | |
| 1346 | + return array( | |
| 1347 | + 'element' => array('rawHtml' => $Excerpt['text'][1]), | |
| 1348 | + 'extent' => 2, | |
| 1349 | + ); | |
| 1350 | + } | |
| 1351 | + } | |
| 1352 | + | |
| 1353 | + protected function inlineImage($Excerpt) | |
| 1354 | + { | |
| 1355 | + if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[') | |
| 1356 | + { | |
| 1357 | + return; | |
| 1358 | + } | |
| 1359 | + | |
| 1360 | + $Excerpt['text']= substr($Excerpt['text'], 1); | |
| 1361 | + | |
| 1362 | + $Link = $this->inlineLink($Excerpt); | |
| 1363 | + | |
| 1364 | + if ($Link === null) | |
| 1365 | + { | |
| 1366 | + return; | |
| 1367 | + } | |
| 1368 | + | |
| 1369 | + $Inline = array( | |
| 1370 | + 'extent' => $Link['extent'] + 1, | |
| 1371 | + 'element' => array( | |
| 1372 | + 'name' => 'img', | |
| 1373 | + 'attributes' => array( | |
| 1374 | + 'src' => $Link['element']['attributes']['href'], | |
| 1375 | + 'alt' => $Link['element']['handler']['argument'], | |
| 1376 | + ), | |
| 1377 | + 'autobreak' => true, | |
| 1378 | + ), | |
| 1379 | + ); | |
| 1380 | + | |
| 1381 | + $Inline['element']['attributes'] += $Link['element']['attributes']; | |
| 1382 | + | |
| 1383 | + unset($Inline['element']['attributes']['href']); | |
| 1384 | + | |
| 1385 | + return $Inline; | |
| 1386 | + } | |
| 1387 | + | |
| 1388 | + protected function inlineLink($Excerpt) | |
| 1389 | + { | |
| 1390 | + $Element = array( | |
| 1391 | + 'name' => 'a', | |
| 1392 | + 'handler' => array( | |
| 1393 | + 'function' => 'lineElements', | |
| 1394 | + 'argument' => null, | |
| 1395 | + 'destination' => 'elements', | |
| 1396 | + ), | |
| 1397 | + 'nonNestables' => array('Url', 'Link'), | |
| 1398 | + 'attributes' => array( | |
| 1399 | + 'href' => null, | |
| 1400 | + 'title' => null, | |
| 1401 | + ), | |
| 1402 | + ); | |
| 1403 | + | |
| 1404 | + $extent = 0; | |
| 1405 | + | |
| 1406 | + $remainder = $Excerpt['text']; | |
| 1407 | + | |
| 1408 | + if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches)) | |
| 1409 | + { | |
| 1410 | + $Element['handler']['argument'] = $matches[1]; | |
| 1411 | + | |
| 1412 | + $extent += strlen($matches[0]); | |
| 1413 | + | |
| 1414 | + $remainder = substr($remainder, $extent); | |
| 1415 | + } | |
| 1416 | + else | |
| 1417 | + { | |
| 1418 | + return; | |
| 1419 | + } | |
| 1420 | + | |
| 1421 | + if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*+"|\'[^\']*+\'))?\s*+[)]/', $remainder, $matches)) | |
| 1422 | + { | |
| 1423 | + $Element['attributes']['href'] = $matches[1]; | |
| 1424 | + | |
| 1425 | + if (isset($matches[2])) | |
| 1426 | + { | |
| 1427 | + $Element['attributes']['title'] = substr($matches[2], 1, - 1); | |
| 1428 | + } | |
| 1429 | + | |
| 1430 | + $extent += strlen($matches[0]); | |
| 1431 | + } | |
| 1432 | + else | |
| 1433 | + { | |
| 1434 | + if (preg_match('/^\s*\[(.*?)\]/', $remainder, $matches)) | |
| 1435 | + { | |
| 1436 | + $definition = strlen($matches[1]) ? $matches[1] : $Element['handler']['argument']; | |
| 1437 | + $definition = strtolower($definition); | |
| 1438 | + | |
| 1439 | + $extent += strlen($matches[0]); | |
| 1440 | + } | |
| 1441 | + else | |
| 1442 | + { | |
| 1443 | + $definition = strtolower($Element['handler']['argument']); | |
| 1444 | + } | |
| 1445 | + | |
| 1446 | + if ( ! isset($this->DefinitionData['Reference'][$definition])) | |
| 1447 | + { | |
| 1448 | + return; | |
| 1449 | + } | |
| 1450 | + | |
| 1451 | + $Definition = $this->DefinitionData['Reference'][$definition]; | |
| 1452 | + | |
| 1453 | + $Element['attributes']['href'] = $Definition['url']; | |
| 1454 | + $Element['attributes']['title'] = $Definition['title']; | |
| 1455 | + } | |
| 1456 | + | |
| 1457 | + return array( | |
| 1458 | + 'extent' => $extent, | |
| 1459 | + 'element' => $Element, | |
| 1460 | + ); | |
| 1461 | + } | |
| 1462 | + | |
| 1463 | + protected function inlineMarkup($Excerpt) | |
| 1464 | + { | |
| 1465 | + if ($this->markupEscaped or $this->safeMode or strpos($Excerpt['text'], '>') === false) | |
| 1466 | + { | |
| 1467 | + return; | |
| 1468 | + } | |
| 1469 | + | |
| 1470 | + if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*+[ ]*+>/s', $Excerpt['text'], $matches)) | |
| 1471 | + { | |
| 1472 | + return array( | |
| 1473 | + 'element' => array('rawHtml' => $matches[0]), | |
| 1474 | + 'extent' => strlen($matches[0]), | |
| 1475 | + ); | |
| 1476 | + } | |
| 1477 | + | |
| 1478 | + if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?+[^-])*-->/s', $Excerpt['text'], $matches)) | |
| 1479 | + { | |
| 1480 | + return array( | |
| 1481 | + 'element' => array('rawHtml' => $matches[0]), | |
| 1482 | + 'extent' => strlen($matches[0]), | |
| 1483 | + ); | |
| 1484 | + } | |
| 1485 | + | |
| 1486 | + if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*+(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+\/?>/s', $Excerpt['text'], $matches)) | |
| 1487 | + { | |
| 1488 | + return array( | |
| 1489 | + 'element' => array('rawHtml' => $matches[0]), | |
| 1490 | + 'extent' => strlen($matches[0]), | |
| 1491 | + ); | |
| 1492 | + } | |
| 1493 | + } | |
| 1494 | + | |
| 1495 | + protected function inlineSpecialCharacter($Excerpt) | |
| 1496 | + { | |
| 1497 | + if (substr($Excerpt['text'], 1, 1) !== ' ' and strpos($Excerpt['text'], ';') !== false | |
| 1498 | + and preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches) | |
| 1499 | + ) { | |
| 1500 | + return array( | |
| 1501 | + 'element' => array('rawHtml' => '&' . $matches[1] . ';'), | |
| 1502 | + 'extent' => strlen($matches[0]), | |
| 1503 | + ); | |
| 1504 | + } | |
| 1505 | + | |
| 1506 | + return; | |
| 1507 | + } | |
| 1508 | + | |
| 1509 | + protected function inlineStrikethrough($Excerpt) | |
| 1510 | + { | |
| 1511 | + if ( ! isset($Excerpt['text'][1])) | |
| 1512 | + { | |
| 1513 | + return; | |
| 1514 | + } | |
| 1515 | + | |
| 1516 | + if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches)) | |
| 1517 | + { | |
| 1518 | + return array( | |
| 1519 | + 'extent' => strlen($matches[0]), | |
| 1520 | + 'element' => array( | |
| 1521 | + 'name' => 'del', | |
| 1522 | + 'handler' => array( | |
| 1523 | + 'function' => 'lineElements', | |
| 1524 | + 'argument' => $matches[1], | |
| 1525 | + 'destination' => 'elements', | |
| 1526 | + ) | |
| 1527 | + ), | |
| 1528 | + ); | |
| 1529 | + } | |
| 1530 | + } | |
| 1531 | + | |
| 1532 | + protected function inlineUrl($Excerpt) | |
| 1533 | + { | |
| 1534 | + if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/') | |
| 1535 | + { | |
| 1536 | + return; | |
| 1537 | + } | |
| 1538 | + | |
| 1539 | + if (strpos($Excerpt['context'], 'http') !== false | |
| 1540 | + and preg_match('/\bhttps?+:[\/]{2}[^\s<]+\b\/*+/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE) | |
| 1541 | + ) { | |
| 1542 | + $url = $matches[0][0]; | |
| 1543 | + | |
| 1544 | + $Inline = array( | |
| 1545 | + 'extent' => strlen($matches[0][0]), | |
| 1546 | + 'position' => $matches[0][1], | |
| 1547 | + 'element' => array( | |
| 1548 | + 'name' => 'a', | |
| 1549 | + 'text' => $url, | |
| 1550 | + 'attributes' => array( | |
| 1551 | + 'href' => $url, | |
| 1552 | + ), | |
| 1553 | + ), | |
| 1554 | + ); | |
| 1555 | + | |
| 1556 | + return $Inline; | |
| 1557 | + } | |
| 1558 | + } | |
| 1559 | + | |
| 1560 | + protected function inlineUrlTag($Excerpt) | |
| 1561 | + { | |
| 1562 | + if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w++:\/{2}[^ >]++)>/i', $Excerpt['text'], $matches)) | |
| 1563 | + { | |
| 1564 | + $url = $matches[1]; | |
| 1565 | + | |
| 1566 | + return array( | |
| 1567 | + 'extent' => strlen($matches[0]), | |
| 1568 | + 'element' => array( | |
| 1569 | + 'name' => 'a', | |
| 1570 | + 'text' => $url, | |
| 1571 | + 'attributes' => array( | |
| 1572 | + 'href' => $url, | |
| 1573 | + ), | |
| 1574 | + ), | |
| 1575 | + ); | |
| 1576 | + } | |
| 1577 | + } | |
| 1578 | + | |
| 1579 | + # ~ | |
| 1580 | + | |
| 1581 | + protected function unmarkedText($text) | |
| 1582 | + { | |
| 1583 | + $Inline = $this->inlineText($text); | |
| 1584 | + return $this->element($Inline['element']); | |
| 1585 | + } | |
| 1586 | + | |
| 1587 | + # | |
| 1588 | + # Handlers | |
| 1589 | + # | |
| 1590 | + | |
| 1591 | + protected function handle(array $Element) | |
| 1592 | + { | |
| 1593 | + if (isset($Element['handler'])) | |
| 1594 | + { | |
| 1595 | + if (!isset($Element['nonNestables'])) | |
| 1596 | + { | |
| 1597 | + $Element['nonNestables'] = array(); | |
| 1598 | + } | |
| 1599 | + | |
| 1600 | + if (is_string($Element['handler'])) | |
| 1601 | + { | |
| 1602 | + $function = $Element['handler']; | |
| 1603 | + $argument = $Element['text']; | |
| 1604 | + unset($Element['text']); | |
| 1605 | + $destination = 'rawHtml'; | |
| 1606 | + } | |
| 1607 | + else | |
| 1608 | + { | |
| 1609 | + $function = $Element['handler']['function']; | |
| 1610 | + $argument = $Element['handler']['argument']; | |
| 1611 | + $destination = $Element['handler']['destination']; | |
| 1612 | + } | |
| 1613 | + | |
| 1614 | + $Element[$destination] = $this->{$function}($argument, $Element['nonNestables']); | |
| 1615 | + | |
| 1616 | + if ($destination === 'handler') | |
| 1617 | + { | |
| 1618 | + $Element = $this->handle($Element); | |
| 1619 | + } | |
| 1620 | + | |
| 1621 | + unset($Element['handler']); | |
| 1622 | + } | |
| 1623 | + | |
| 1624 | + return $Element; | |
| 1625 | + } | |
| 1626 | + | |
| 1627 | + protected function handleElementRecursive(array $Element) | |
| 1628 | + { | |
| 1629 | + return $this->elementApplyRecursive(array($this, 'handle'), $Element); | |
| 1630 | + } | |
| 1631 | + | |
| 1632 | + protected function handleElementsRecursive(array $Elements) | |
| 1633 | + { | |
| 1634 | + return $this->elementsApplyRecursive(array($this, 'handle'), $Elements); | |
| 1635 | + } | |
| 1636 | + | |
| 1637 | + protected function elementApplyRecursive($closure, array $Element) | |
| 1638 | + { | |
| 1639 | + $Element = call_user_func($closure, $Element); | |
| 1640 | + | |
| 1641 | + if (isset($Element['elements'])) | |
| 1642 | + { | |
| 1643 | + $Element['elements'] = $this->elementsApplyRecursive($closure, $Element['elements']); | |
| 1644 | + } | |
| 1645 | + elseif (isset($Element['element'])) | |
| 1646 | + { | |
| 1647 | + $Element['element'] = $this->elementApplyRecursive($closure, $Element['element']); | |
| 1648 | + } | |
| 1649 | + | |
| 1650 | + return $Element; | |
| 1651 | + } | |
| 1652 | + | |
| 1653 | + protected function elementApplyRecursiveDepthFirst($closure, array $Element) | |
| 1654 | + { | |
| 1655 | + if (isset($Element['elements'])) | |
| 1656 | + { | |
| 1657 | + $Element['elements'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['elements']); | |
| 1658 | + } | |
| 1659 | + elseif (isset($Element['element'])) | |
| 1660 | + { | |
| 1661 | + $Element['element'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['element']); | |
| 1662 | + } | |
| 1663 | + | |
| 1664 | + $Element = call_user_func($closure, $Element); | |
| 1665 | + | |
| 1666 | + return $Element; | |
| 1667 | + } | |
| 1668 | + | |
| 1669 | + protected function elementsApplyRecursive($closure, array $Elements) | |
| 1670 | + { | |
| 1671 | + foreach ($Elements as &$Element) | |
| 1672 | + { | |
| 1673 | + $Element = $this->elementApplyRecursive($closure, $Element); | |
| 1674 | + } | |
| 1675 | + | |
| 1676 | + return $Elements; | |
| 1677 | + } | |
| 1678 | + | |
| 1679 | + protected function elementsApplyRecursiveDepthFirst($closure, array $Elements) | |
| 1680 | + { | |
| 1681 | + foreach ($Elements as &$Element) | |
| 1682 | + { | |
| 1683 | + $Element = $this->elementApplyRecursiveDepthFirst($closure, $Element); | |
| 1684 | + } | |
| 1685 | + | |
| 1686 | + return $Elements; | |
| 1687 | + } | |
| 1688 | + | |
| 1689 | + protected function element(array $Element) | |
| 1690 | + { | |
| 1691 | + if ($this->safeMode) | |
| 1692 | + { | |
| 1693 | + $Element = $this->sanitiseElement($Element); | |
| 1694 | + } | |
| 1695 | + | |
| 1696 | + # identity map if element has no handler | |
| 1697 | + $Element = $this->handle($Element); | |
| 1698 | + | |
| 1699 | + $hasName = isset($Element['name']); | |
| 1700 | + | |
| 1701 | + $markup = ''; | |
| 1702 | + | |
| 1703 | + if ($hasName) | |
| 1704 | + { | |
| 1705 | + $markup .= '<' . $Element['name']; | |
| 1706 | + | |
| 1707 | + if (isset($Element['attributes'])) | |
| 1708 | + { | |
| 1709 | + foreach ($Element['attributes'] as $name => $value) | |
| 1710 | + { | |
| 1711 | + if ($value === null) | |
| 1712 | + { | |
| 1713 | + continue; | |
| 1714 | + } | |
| 1715 | + | |
| 1716 | + $markup .= " $name=\"".self::escape($value).'"'; | |
| 1717 | + } | |
| 1718 | + } | |
| 1719 | + } | |
| 1720 | + | |
| 1721 | + $permitRawHtml = false; | |
| 1722 | + | |
| 1723 | + if (isset($Element['text'])) | |
| 1724 | + { | |
| 1725 | + $text = $Element['text']; | |
| 1726 | + } | |
| 1727 | + // very strongly consider an alternative if you're writing an | |
| 1728 | + // extension | |
| 1729 | + elseif (isset($Element['rawHtml'])) | |
| 1730 | + { | |
| 1731 | + $text = $Element['rawHtml']; | |
| 1732 | + | |
| 1733 | + $allowRawHtmlInSafeMode = isset($Element['allowRawHtmlInSafeMode']) && $Element['allowRawHtmlInSafeMode']; | |
| 1734 | + $permitRawHtml = !$this->safeMode || $allowRawHtmlInSafeMode; | |
| 1735 | + } | |
| 1736 | + | |
| 1737 | + $hasContent = isset($text) || isset($Element['element']) || isset($Element['elements']); | |
| 1738 | + | |
| 1739 | + if ($hasContent) | |
| 1740 | + { | |
| 1741 | + $markup .= $hasName ? '>' : ''; | |
| 1742 | + | |
| 1743 | + if (isset($Element['elements'])) | |
| 1744 | + { | |
| 1745 | + $markup .= $this->elements($Element['elements']); | |
| 1746 | + } | |
| 1747 | + elseif (isset($Element['element'])) | |
| 1748 | + { | |
| 1749 | + $markup .= $this->element($Element['element']); | |
| 1750 | + } | |
| 1751 | + else | |
| 1752 | + { | |
| 1753 | + if (!$permitRawHtml) | |
| 1754 | + { | |
| 1755 | + $markup .= self::escape($text, true); | |
| 1756 | + } | |
| 1757 | + else | |
| 1758 | + { | |
| 1759 | + $markup .= $text; | |
| 1760 | + } | |
| 1761 | + } | |
| 1762 | + | |
| 1763 | + $markup .= $hasName ? '</' . $Element['name'] . '>' : ''; | |
| 1764 | + } | |
| 1765 | + elseif ($hasName) | |
| 1766 | + { | |
| 1767 | + $markup .= ' />'; | |
| 1768 | + } | |
| 1769 | + | |
| 1770 | + return $markup; | |
| 1771 | + } | |
| 1772 | + | |
| 1773 | + protected function elements(array $Elements) | |
| 1774 | + { | |
| 1775 | + $markup = ''; | |
| 1776 | + | |
| 1777 | + $autoBreak = true; | |
| 1778 | + | |
| 1779 | + foreach ($Elements as $Element) | |
| 1780 | + { | |
| 1781 | + if (empty($Element)) | |
| 1782 | + { | |
| 1783 | + continue; | |
| 1784 | + } | |
| 1785 | + | |
| 1786 | + $autoBreakNext = (isset($Element['autobreak']) | |
| 1787 | + ? $Element['autobreak'] : isset($Element['name']) | |
| 1788 | + ); | |
| 1789 | + // (autobreak === false) covers both sides of an element | |
| 1790 | + $autoBreak = !$autoBreak ? $autoBreak : $autoBreakNext; | |
| 1791 | + | |
| 1792 | + $markup .= ($autoBreak ? "\n" : '') . $this->element($Element); | |
| 1793 | + $autoBreak = $autoBreakNext; | |
| 1794 | + } | |
| 1795 | + | |
| 1796 | + $markup .= $autoBreak ? "\n" : ''; | |
| 1797 | + | |
| 1798 | + return $markup; | |
| 1799 | + } | |
| 1800 | + | |
| 1801 | + # ~ | |
| 1802 | + | |
| 1803 | + protected function li($lines) | |
| 1804 | + { | |
| 1805 | + $Elements = $this->linesElements($lines); | |
| 1806 | + | |
| 1807 | + if ( ! in_array('', $lines) | |
| 1808 | + and isset($Elements[0]) and isset($Elements[0]['name']) | |
| 1809 | + and $Elements[0]['name'] === 'p' | |
| 1810 | + ) { | |
| 1811 | + unset($Elements[0]['name']); | |
| 1812 | + } | |
| 1813 | + | |
| 1814 | + return $Elements; | |
| 1815 | + } | |
| 1816 | + | |
| 1817 | + # | |
| 1818 | + # AST Convenience | |
| 1819 | + # | |
| 1820 | + | |
| 1821 | + /** | |
| 1822 | + * Replace occurrences $regexp with $Elements in $text. Return an array of | |
| 1823 | + * elements representing the replacement. | |
| 1824 | + */ | |
| 1825 | + protected static function pregReplaceElements($regexp, $Elements, $text) | |
| 1826 | + { | |
| 1827 | + $newElements = array(); | |
| 1828 | + | |
| 1829 | + while (preg_match($regexp, $text, $matches, PREG_OFFSET_CAPTURE)) | |
| 1830 | + { | |
| 1831 | + $offset = $matches[0][1]; | |
| 1832 | + $before = substr($text, 0, $offset); | |
| 1833 | + $after = substr($text, $offset + strlen($matches[0][0])); | |
| 1834 | + | |
| 1835 | + $newElements[] = array('text' => $before); | |
| 1836 | + | |
| 1837 | + foreach ($Elements as $Element) | |
| 1838 | + { | |
| 1839 | + $newElements[] = $Element; | |
| 1840 | + } | |
| 1841 | + | |
| 1842 | + $text = $after; | |
| 1843 | + } | |
| 1844 | + | |
| 1845 | + $newElements[] = array('text' => $text); | |
| 1846 | + | |
| 1847 | + return $newElements; | |
| 1848 | + } | |
| 1849 | + | |
| 1850 | + # | |
| 1851 | + # Deprecated Methods | |
| 1852 | + # | |
| 1853 | + | |
| 1854 | + function parse($text) | |
| 1855 | + { | |
| 1856 | + $markup = $this->text($text); | |
| 1857 | + | |
| 1858 | + return $markup; | |
| 1859 | + } | |
| 1860 | + | |
| 1861 | + protected function sanitiseElement(array $Element) | |
| 1862 | + { | |
| 1863 | + static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/'; | |
| 1864 | + static $safeUrlNameToAtt = array( | |
| 1865 | + 'a' => 'href', | |
| 1866 | + 'img' => 'src', | |
| 1867 | + ); | |
| 1868 | + | |
| 1869 | + if ( ! isset($Element['name'])) | |
| 1870 | + { | |
| 1871 | + unset($Element['attributes']); | |
| 1872 | + return $Element; | |
| 1873 | + } | |
| 1874 | + | |
| 1875 | + if (isset($safeUrlNameToAtt[$Element['name']])) | |
| 1876 | + { | |
| 1877 | + $Element = $this->filterUnsafeUrlInAttribute($Element, $safeUrlNameToAtt[$Element['name']]); | |
| 1878 | + } | |
| 1879 | + | |
| 1880 | + if ( ! empty($Element['attributes'])) | |
| 1881 | + { | |
| 1882 | + foreach ($Element['attributes'] as $att => $val) | |
| 1883 | + { | |
| 1884 | + # filter out badly parsed attribute | |
| 1885 | + if ( ! preg_match($goodAttribute, $att)) | |
| 1886 | + { | |
| 1887 | + unset($Element['attributes'][$att]); | |
| 1888 | + } | |
| 1889 | + # dump onevent attribute | |
| 1890 | + elseif (self::striAtStart($att, 'on')) | |
| 1891 | + { | |
| 1892 | + unset($Element['attributes'][$att]); | |
| 1893 | + } | |
| 1894 | + } | |
| 1895 | + } | |
| 1896 | + | |
| 1897 | + return $Element; | |
| 1898 | + } | |
| 1899 | + | |
| 1900 | + protected function filterUnsafeUrlInAttribute(array $Element, $attribute) | |
| 1901 | + { | |
| 1902 | + foreach ($this->safeLinksWhitelist as $scheme) | |
| 1903 | + { | |
| 1904 | + if (self::striAtStart($Element['attributes'][$attribute], $scheme)) | |
| 1905 | + { | |
| 1906 | + return $Element; | |
| 1907 | + } | |
| 1908 | + } | |
| 1909 | + | |
| 1910 | + $Element['attributes'][$attribute] = str_replace(':', '%3A', $Element['attributes'][$attribute]); | |
| 1911 | + | |
| 1912 | + return $Element; | |
| 1913 | + } | |
| 1914 | + | |
| 1915 | + # | |
| 1916 | + # Static Methods | |
| 1917 | + # | |
| 1918 | + | |
| 1919 | + protected static function escape($text, $allowQuotes = false) | |
| 1920 | + { | |
| 1921 | + return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES : ENT_QUOTES, 'UTF-8'); | |
| 1922 | + } | |
| 1923 | + | |
| 1924 | + protected static function striAtStart($string, $needle) | |
| 1925 | + { | |
| 1926 | + $len = strlen($needle); | |
| 1927 | + | |
| 1928 | + if ($len > strlen($string)) | |
| 1929 | + { | |
| 1930 | + return false; | |
| 1931 | + } | |
| 1932 | + else | |
| 1933 | + { | |
| 1934 | + return strtolower(substr($string, 0, $len)) === strtolower($needle); | |
| 1935 | + } | |
| 1936 | + } | |
| 1937 | + | |
| 1938 | + static function instance($name = 'default') | |
| 1939 | + { | |
| 1940 | + if (isset(self::$instances[$name])) | |
| 1941 | + { | |
| 1942 | + return self::$instances[$name]; | |
| 1943 | + } | |
| 1944 | + | |
| 1945 | + $instance = new static(); | |
| 1946 | + | |
| 1947 | + self::$instances[$name] = $instance; | |
| 1948 | + | |
| 1949 | + return $instance; | |
| 1950 | + } | |
| 1951 | + | |
| 1952 | + private static $instances = array(); | |
| 1953 | + | |
| 1954 | + # | |
| 1955 | + # Fields | |
| 1956 | + # | |
| 1957 | + | |
| 1958 | + protected $DefinitionData; | |
| 1959 | + | |
| 1960 | + # | |
| 1961 | + # Read-Only | |
| 1962 | + | |
| 1963 | + protected $specialCharacters = array( | |
| 1964 | + '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|', '~' | |
| 1965 | + ); | |
| 1966 | + | |
| 1967 | + protected $StrongRegex = array( | |
| 1968 | + '*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*+[*])+?)[*]{2}(?![*])/s', | |
| 1969 | + '_' => '/^__((?:\\\\_|[^_]|_[^_]*+_)+?)__(?!_)/us', | |
| 1970 | + ); | |
| 1971 | + | |
| 1972 | + protected $EmRegex = array( | |
| 1973 | + '*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s', | |
| 1974 | + '_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us', | |
| 1975 | + ); | |
| 1976 | + | |
| 1977 | + protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*+(?:\s*+=\s*+(?:[^"\'=<>`\s]+|"[^"]*+"|\'[^\']*+\'))?+'; | |
| 1978 | + | |
| 1979 | + protected $voidElements = array( | |
| 1980 | + 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source', | |
| 1981 | + ); | |
| 1982 | + | |
| 1983 | + protected $textLevelElements = array( | |
| 1984 | + 'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont', | |
| 1985 | + 'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing', | |
| 1986 | + 'i', 'rp', 'del', 'code', 'strike', 'marquee', | |
| 1987 | + 'q', 'rt', 'ins', 'font', 'strong', | |
| 1988 | + 's', 'tt', 'kbd', 'mark', | |
| 1989 | + 'u', 'xm', 'sub', 'nobr', | |
| 1990 | + 'sup', 'ruby', | |
| 1991 | + 'var', 'span', | |
| 1992 | + 'wbr', 'time', | |
| 1993 | + ); | |
| 1994 | + } | |
| 1995 | 1995 | } |
