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   1  <?php
   2  
   3  /*
   4  * @package   s9e\TextFormatter
   5  * @copyright Copyright (c) 2010-2019 The s9e Authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\TextFormatter\Plugins\Litedown\Parser\Passes;
   9  class LinkReferences extends AbstractPass
  10  {
  11  	public function parse()
  12      {
  13          if ($this->text->indexOf(']:') === \false)
  14              return;
  15          $regexp = '/^\\x1A* {0,3}\\[([^\\x17\\]]+)\\]: *([^[\\s\\x17]+ *(?:"[^\\x17]*?"|\'[^\\x17]*?\'|\\([^\\x17)]*\\))?) *(?=$|\\x17)\\n?/m';
  16          \preg_match_all($regexp, $this->text, $matches, \PREG_OFFSET_CAPTURE | \PREG_SET_ORDER);
  17          foreach ($matches as $m)
  18          {
  19              $this->parser->addIgnoreTag($m[0][1], \strlen($m[0][0]));
  20              $id = \strtolower($m[1][0]);
  21              if (!isset($this->text->linkReferences[$id]))
  22              {
  23                  $this->text->hasReferences       = \true;
  24                  $this->text->linkReferences[$id] = $m[2][0];
  25              }
  26          }
  27      }
  28  }