[Sommaire] [Imprimer]

   1  <?php
   2  /* vim: set expandtab tabstop=4 shiftwidth=4: */
   3  // +----------------------------------------------------------------------+
   4  // | PHP version 4                                                        |
   5  // +----------------------------------------------------------------------+
   6  // | Copyright (c) 1997-2003 The PHP Group                                |
   7  // +----------------------------------------------------------------------+
   8  // | This source file is subject to version 2.0 of the PHP license,       |
   9  // | that is bundled with this package in the file LICENSE, and is        |
  10  // | available through the world-wide-web at                              |
  11  // | http://www.php.net/license/2_02.txt.                                 |
  12  // | If you did not receive a copy of the PHP license and are unable to   |
  13  // | obtain it through the world-wide-web, please send a note to          |
  14  // | license@php.net so we can mail you a copy immediately.               |
  15  // +----------------------------------------------------------------------+
  16  // | Authors: Paul M. Jones <pmjones@ciaweb.net>                          |
  17  // +----------------------------------------------------------------------+
  18  //
  19  // $Id: bold.php,v 1.3 2004/12/02 10:54:32 nohn Exp $
  20  
  21  
  22  /**
  23  * 
  24  * This class implements a Text_Wiki_Rule to find source text marked for
  25  * strong emphasis (bold) as defined by text surrounded by three
  26  * single-quotes. On parsing, the text itself is left in place, but the
  27  * starting and ending instances of three single-quotes are replaced with
  28  * tokens.
  29  *
  30  * @author Paul M. Jones <pmjones@ciaweb.net>
  31  *
  32  * @package Text_Wiki
  33  *
  34  */
  35  
  36  class Text_Wiki_Rule_bold extends Text_Wiki_Rule {
  37      
  38      
  39      /**
  40      * 
  41      * The regular expression used to parse the source text and find
  42      * matches conforming to this rule.  Used by the parse() method.
  43      * 
  44      * @access public
  45      * 
  46      * @var string
  47      * 
  48      * @see parse()
  49      * 
  50      */
  51      
  52      var $regex =  "/'''(()|[^'].*)'''/U";
  53      
  54      
  55      /**
  56      * 
  57      * Generates a replacement for the matched text.  Token options are:
  58      * 
  59      * 'type' => ['start'|'end'] The starting or ending point of the
  60      * emphasized text.  The text itself is left in the source.
  61      * 
  62      * @access public
  63      *
  64      * @param array &$matches The array of matches from parse().
  65      *
  66      * @return A pair of delimited tokens to be used as a placeholder in
  67      * the source text surrounding the text to be emphasized.
  68      *
  69      */
  70      
  71      function process(&$matches)
  72      {
  73          $start = $this->addToken(array('type' => 'start'));
  74          $end = $this->addToken(array('type' => 'end'));
  75          return $start . $matches[1] . $end;
  76      }
  77      
  78      
  79      /**
  80      * 
  81      * Renders a token into text matching the requested format.
  82      * 
  83      * @access public
  84      * 
  85      * @param array $options The "options" portion of the token (second
  86      * element).
  87      * 
  88      * @return string The text rendered from the token options.
  89      * 
  90      */
  91      
  92      function renderXhtml($options)
  93      {
  94          if ($options['type'] == 'start') {
  95              return '<b>';
  96          }
  97          
  98          if ($options['type'] == 'end') {
  99              return '</b>';
 100          }
 101      }
 102  }
 103  ?>