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   1  <?php
   2  
   3  /**
   4  * @package   s9e\TextFormatter
   5  * @copyright Copyright (c) 2010-2022 The s9e authors
   6  * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
   7  */
   8  namespace s9e\TextFormatter\Plugins\Preg;
   9  
  10  use s9e\TextFormatter\Plugins\ParserBase;
  11  
  12  class Parser extends ParserBase
  13  {
  14      /**
  15      * {@inheritdoc}
  16      */
  17  	public function parse($text, array $matches)
  18      {
  19          foreach ($this->config['generics'] as list($tagName, $regexp, $passthroughIdx, $map))
  20          {
  21              preg_match_all($regexp, $text, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
  22  
  23              foreach ($matches as $m)
  24              {
  25                  $startTagPos = $m[0][1];
  26                  $matchLen    = strlen($m[0][0]);
  27  
  28                  if ($passthroughIdx && isset($m[$passthroughIdx]) && $m[$passthroughIdx][0] !== '')
  29                  {
  30                      // Compute the position and length of the start tag, end tag, and the content in
  31                      // between. PREG_OFFSET_CAPTURE gives us the position of the content, and we
  32                      // know its length. Everything before is considered part of the start tag, and
  33                      // everything after is considered part of the end tag
  34                      $contentPos  = $m[$passthroughIdx][1];
  35                      $contentLen  = strlen($m[$passthroughIdx][0]);
  36                      $startTagLen = $contentPos - $startTagPos;
  37                      $endTagPos   = $contentPos + $contentLen;
  38                      $endTagLen   = $matchLen - ($startTagLen + $contentLen);
  39  
  40                      $tag = $this->parser->addTagPair($tagName, $startTagPos, $startTagLen, $endTagPos, $endTagLen, -100);
  41                  }
  42                  else
  43                  {
  44                      $tag = $this->parser->addSelfClosingTag($tagName, $startTagPos, $matchLen, -100);
  45                  }
  46  
  47                  foreach ($map as $i => $attrName)
  48                  {
  49                      if ($attrName && isset($m[$i]) && $m[$i][0] !== '')
  50                      {
  51                          $tag->setAttribute($attrName, $m[$i][0]);
  52                      }
  53                  }
  54              }
  55          }
  56      }
  57  }