[Sommaire] [Imprimer]

   1  <?php
   2  // $Id: Emphasis.php,v 1.1 2005/01/31 15:46:52 pmjones Exp $
   3  
   4  
   5  /**
   6  * 
   7  * This class implements a Text_Wiki_Parse to find source text marked for
   8  * emphasis (italics) as defined by text surrounded by two single-quotes.
   9  * On parsing, the text itself is left in place, but the starting and ending
  10  * instances of two single-quotes are replaced with tokens.
  11  *
  12  * @author Paul M. Jones <pmjones@ciaweb.net>
  13  *
  14  * @package Text_Wiki
  15  *
  16  */
  17  
  18  class Text_Wiki_Parse_emphasis extends Text_Wiki_Parse {
  19      
  20      
  21      /**
  22      * 
  23      * The regular expression used to parse the source text and find
  24      * matches conforming to this rule.  Used by the parse() method.
  25      * 
  26      * @access public
  27      * 
  28      * @var string
  29      * 
  30      * @see parse()
  31      * 
  32      */
  33      
  34      var $regex = "/\/\/(.*?)\/\//";
  35      
  36      
  37      /**
  38      * 
  39      * Generates a replacement for the matched text.  Token options are:
  40      * 
  41      * 'type' => ['start'|'end'] The starting or ending point of the
  42      * emphasized text.  The text itself is left in the source.
  43      * 
  44      * @access public
  45      *
  46      * @param array &$matches The array of matches from parse().
  47      *
  48      * @return string A pair of delimited tokens to be used as a
  49      * placeholder in the source text surrounding the text to be
  50      * emphasized.
  51      *
  52      */
  53      
  54      function process(&$matches)
  55      {
  56          $start = $this->wiki->addToken(
  57              $this->rule, array('type' => 'start')
  58          );
  59          
  60          $end = $this->wiki->addToken(
  61              $this->rule, array('type' => 'end')
  62          );
  63          
  64          return $start . $matches[1] . $end;
  65      }
  66  }
  67  ?>